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Publications
Book Chapters
2010 Winston V. Schoenfeld "Chapter 18: High Brightness Visible LEDs" Handbook of Optics, 3rd Edition, Volume II, M. Bass, Ed. New York: McGraw-Hill, 2010
2009 W.V. Schoenfeld "High Brightness Visible LEDs" Handbook of Optics, M. Bass, ed., McGraw-Hill
Journal Papers (refereed)
2017 F. Alema, B. Hertog, O.  Ledyaev, D. Volovik, G. Thoma, R. Miller, A. Osinsky, P. Mukhopadhyay, S. Bakhshi, H. Ali, W.V. Schoenfeld "Solar blind photodetector based on epitaxial zinc doped Ga2O3 thin film" Physica Status Solidi A, 214
2016 E.J. Schneller, R.P. Brooker, N.S. Shiradkar, M.P. Rodgers, N.G. Dhere, K.O. Davis, H.P. Seigneur, N. Mohajeri, J. Wohlgemuth, G. Scardera, A.C. Rudack, and W.V. Schoenfeld "Manufacturing metrology for c-Si module reliability and durability Part III: Module manufacturing" Renewable & Sustainable Energy Reviews, 59, pp.992-1016
2016 F. Alema, B. Hertog, O. Ledyaev, D. Volovik, R. Miller, A. Osinsky, S. Bakhshi, and W.V. Schoenfeld "High responsivity solar blind photodetector based on high Mg content MgZnO film grown via pulsed metal organic chemical vapor deposition" Sensors And Actuators A-Physical, 249, pp.263-268
2016 F. Alema, B. Hertog, O. Ledyaev, R. Miller, A. Osinsky, and W.V. Schoenfeld "Temperature and pulse duration effects on the growth of MgZnO via pulsed metal organic chemical vapor deposition" Japanese Journal Of Applied Physics 55(3), 035501
2016 F. Alema, O. Ledyaev, R. Miller, V. Beletsky, A. Osinsky, and W.V. Schoenfeld "Growth of high Mg content wurtzite MgZnO epitaxial films via pulsed metal organic chemical vapor deposition" Journal of Crystal Growth 435, pp.6-11
2016 H. Ali, X. Yang, K.O. Davis, K. Weber, and W.V. Schoenfeld "TEM studies of TiO2-based passivated contacts in c-Si solar cells" Microscopy and Microanalysis, 22, pp.1600-1601
2016 H. Seigneur, N. Mohajeri, R.P. Brooker, K.O. Davis, E.J. Schneller, N.G. Dhere, M.P. Rodgers, J. Wohlgernuth, N.S. Shiradkar, G. Scardera, A.C. Rudack, and W.V. Schoenfeld "Manufacturing metrology for c-Si module reliability and durability Part I: Feedstock, crystallization and wafering" Renewable and Sustainable Energy Reviews 59, pp.84-106
2016 K.O. Davis, M.P. Rodgers, G. Scardera, R.P. Brooker, H. Seigneur, N. Mohajeri, N.G. Dhere, J. Wohlgemuth, E. Schneller, N. Shiradkar, A.C. Rudack, and W.V. Schoenfeld "Manufacturing metrology for c-Si module reliability and durability Part II: Cell manufacturing" Renewable and Sustainable Energy Reviews, 59, pp.225-252
2016 X. Yang, Q. Bi, H. Ali, K. Davis, W.V. Schoenfeld, and K. Weber "High-performance TiO2-based electron-selective contacts for crystalline silicon solar cells" Advanced Materials 28, pp.5891-5897
2015 C.S. Olson, H.Y. Liu, O. Ledyaev, B. Hertog, A. Osinsky, and W.V. Schoenfeld "High-gain Zn1-xMgxO-based ultraviolet photodetectors on Al2O3 and LiGaO2 substrates" Physica Status Solidi - Rapid Research Letters 9(1), pp.82-86
2015 K.O. Davis, K. Jiang, D. Habermann, W.V. Schoenfeld "Tailoring the optical properties of APCVD titanium oxide films for all-oxide multi-layer anti-reflection coatings" IEEE Journal of Photovoltaics 5, pp.1265
2014 C. S. Olson, H. Liu, O. Ledyaev, B. Hertog, A. Osinsky, and W. V. Schoenfeld "High-gain Zn1–xMgxO-based ultraviolet photodetectors on Al2O3 and LiGaO2 substrates" Physica Status Solidi RRL, 1–5
2014 H. Seigneur, A. Rudack, J. Walters, P. Brooker, K. Davis, W. V. Schoenfeld, S. Raithel, S. Melkote, S. Danyluk, T. Newton, B. Sopori, S. Preece, I. Tarasov, S. Ostapenko, A. Gupta, G. Erfurt, B. Seipel, O. Naumann, I. Kashkoush, and F. Genonceau "Diamond wire sawing for PV – Short and long-term challenges" Photovoltaics International
2014 K.O. Davis, R.P. Brooker, H.P. Seigneur, M. Rogers, A.C. Rudack, W.V. Schoenfeld "Pareto analysis of critical challenges for emerging manufacturing technologies in silicon photovoltaics" Solar Energy, 107, 681-691; DOI:10.1016/j.solener.2014.06.017
2014 R. Casey Boutwell, Ming Wei, Matthieu Baudelet, and Winston V. Schoenfeld "Investigation and impact of oxygen plasma compositions on cubic ZnMgO grown by Molecular Beam Epitaxy" Journal Of Alloys And Compounds 584 pp. 327-330
2014 W. Zhang, K. O. Davis, W. V. Schoenfeld, P. Looney, and F. Wang "STEM-EELS Studies of the Local Structure and Coordination of Al2O3/Si interfaces in Si Solar Cells" Microscopy and Microanalysis 20, pp. 396-397
2013 K.O. Davis, K. Jiang, C. Demberger, H. Zunft, H. Haverkamp, D. Habermann, W.V. Schoenfeld "Investigation of the Internal Back Reflectance of Rear-Side Dielectric Stacks for c-Si Solar Cells" IEEE Journal of Photovoltaics, 3, pp. 641-648
2013 Kristopher O. Davis, Kaiyun Jiang, Carsten Demberger, Heiko Zunft, Helge Haverkamp, Dirk Habermann, and Winston V. Schoenfeld "Improved control of the phosphorous surface concentration during in-line diffusion of c-Si solar cells by APCVD" Phys. Status Solidi RRL, 7, 319-321; DOI:10.1002/pssr.201307020
2013 Kristopher O. Davis, Kaiyun Jiang, Marshall Wilson, Carsten Demberger, Heiko Zunft, Helge Haverkamp, Dirk Habermann, and Winston V. Schoenfeld "Influence of precursor gas ratio and firing on silicon surface passivation by APCVD aluminium oxide" Physica Status Solidi (RRL) - Rapid Research Letters Vol. 7, Issue 11, pp. 942–945 (2013)
2013 M Wei, RC Boutwell, WV Schoenfeld "Surface morphologies of homoepitaxial ZnO thin films on non-miscut ZnO substrates" Applied Surface Science, 277 pp.263-267
2013 M. Wei, R.C. Boutwell, G.A. Garrett, K. Goodman, P. Rotell, M. Wraback, and W.V. Schoenfeld "Impact of Oxygen source parameters on Homoepitaxial ZnO films grown at low-temperature on Zn-polar substrates" Journal of Alloys and Compounds, 552, pp. 127
2013 M. Wei, R.C. Boutwell, G.A. Garrett, K. Goodman, P. Rotella, W.V. Schoenfeld "Optimization of photoluminescence lifetime for ZnO films grown on ZnO substrates at low temperature" Materials Letters 97, pp. 11–14
2013 M.D. Weed, C. Williams, P.J. Delfyett, W.V. Schoenfeld "Symmetry Considerations for Closed Loop Photonic Crystal Coupled Resonators" Journal of Lightwave Technology, 31(9), pp.1426-1432
2013 Ming Wei, Ryan Casey Boutwell, Nikolai Faleev, Andrei Osinsky, and Winston V. Schoenfeld "Growth of high quality ZnO thin films with a homonucleation on sapphire" Journal Of Vacuum Science & Technology B 31(4)
2013 R. Casey Boutwell, Ming Wei, and Winston V. Schoenfeld "The effect of substrate temperature and source flux on cubic ZnMgO UV sensors grown by plasma-enhanced molecular beam epitaxy" Applied Surface Science, 284 pp.254-257
2013 R. Casey Boutwell, Ming Wei, and Winston V. Schoenfeld "The effect of oxygen flow rate and radio frequency plasma power on cubic ZnMgO ultraviolet sensors grown by plasma-enhanced molecular beam epitaxy" Applied Physics Letters, 103(3)
2012 R. Berlich, J. Choi, C. Mazuir, W. V. Schoenfeld, S. Nolte, and M. C. Richardson "Spatially resolved measurement of femtosecond laser induced refractive index changes in transparent materials" Optics Letters 37, pp. 3003
2012 R. C. Boutwell, M. Wei, A. Scheurer, J. W. Mares, and W. V. Schoenfeld "Optical and structural properties of NiMgO thin films formed by sol-gel spin coating" Thin Solid Films 520, pp. 4302-4304
2011 G. Ding, J. Deng, L. Zhou, Q. Gan, J. C. M. Hwang, V. Dierolf, F. J. Bartoli, C. Mazuir, and W. V. Schoenfeld "Aluminum nanogrid electrode for ultraviolet detectors" Optics Letters 36, 3663
2011 H. P. Seigneur, M.D. Weed, M. N. Leuenberger, and W. V. Schoenfeld "Controlled On-Chip Single-Photon Transfer Using Photonic Crystal Coupled-Cavity Waveguides" Advances in OptoElectronics, 893086
2011 M. Wei, R. C. Boutwell, J. W. Mares, A. Scheurer, and W. V. Schoenfeld "Bandgap engineering of sol-gel synthesized amorphous Zn(1-x)Mg(x)O films" Applied Physics Letters 98, 261913
2010 G. Gonzalez, M.N. Leuenberger, H. Seigneur, W.V. Schoenfeld "Theory of a Scalable Electron-Spin Based Quantum Network Inside a Photonic Crystal" Journal of Computational and Theoretical Nanoscience 7(9), pp. 1651-1672
2010 H.P. Seigneur, G. Gonzalez, M.N. Leuenberger, and W.V. Schoenfeld "Invited Paper: Dynamics of Entanglement Between a Quantum Dot Spin Qubit and a Photon Qbit Inside a Semiconductor High-Q Nanocavity" Advances in Mathematical Physics
2010 J.W. Mares, R.C. Boutwell, A. Scheurer, W.V. Schoenfeld "Cubic ZnxMg1-xO Thin Films Grown by Plasma-Assisted Molecular-Beam Epitaxy for Optoelectronic Applications" Journal of Materials Research 25(6), pp. 1072-1079
2010 J.W. Mares, R.C. Boutwell, M. Wei, A. Scheurer, W.V. Schoenfeld "Deep-Ultraviolet Photodetectors from Epitaxially Grown NixMg1-xO" Applied Physics Letters 97(16), 161113
2009 A.V. Thompson, H. Seigneur, M.N. Leuenberger, and W.V. Schoenfeld "Optical Switching Based on the Conditional Faraday Effect With Electron Spins in Quantum Dots" IEEE Journal of Quantum Electronics, vol. 45, pp. 637-645
2009 Clarisse Mazuir, J. Thomas Deng, Jim C. M. Hwang, and Winston V. Schoenfeld "E beam assisted fabrication of a subwavelength aluminum mesh" Proceedings of SPIE Photonics West 2009
2009 E. S. Moskalenko, L.A. Larsson, M. Larsson, P.O. Holtz, W.V. Schoenfeld, and P.M. Petroff "Comparative Magneto Photoluminescence Study of Ensembles and of Individual InAs Quantum Dots" Nano Letters, vol. 9, pp. 353-359
2008 H. P. Seigneur, M. N. Leuenberger, and W. V. Schoenfeld "Single-photon Mach-Zehnder interferometer for quantum networks based on the single-photon Faraday effect" Journal of Applied Physics, vol. 104, 014307 (2008)
2008 J. W. Mares, J. Harben, A. V. Thompson, and W. V. Schoenfeld "Gamma Radiation Induced Degradation of Operating Quantum Dot Lasers" IEEE Transactions on Nuclear Science 55, pp. 763-768 (2008)
2008 J. W. Mares, M. Falanga, A. V. Thompson, A. Osinsky, J. Q. Xie, B. Hertog, A. Dabiran, P. P. Chow, S. Karpov, and W. V. Schoenfeld "Hybrid CdZnO/GaN quantum-well light emitting diodes" Journal of Applied Physics, vol. 104, 093107-5, 2008
2008 J. W. Mares, M. Falanga, W. R. Folks, G. Boreman, A. Osinsky, B. Hertog, J. Q. Xie, and W. V. Schoenfeld "Complex Refractive Indices of CdxZn1-xO Thin Films Grown by Molecular Beam Epitaxy" Journal of Electronic Materials, vol. 37, pp. 1665-1673, 2008
2008 Journal of Electronic Materials, vol. 37, pp. 1665-1673 "Complex Refractive Indices of CdxZn1-xO Thin Films Grown by Molecular Beam Epitaxy" J. Mares, M. Falanga, W. Folks, G. Boreman , A. Osinsky, B. Hertog, J. Xie, and W. Schoenfeld
2008 P. O. Holtz, E. S. Moskalenko, M. Larsson, K. F. Karlsson, W. V. Schoenfeld, and P. M. Petroff "Effects of external fields on the excitonic emission from single InAs/GaAs quantum dots" Microelectronics Journal 39, pp. 331-334 (2008)
2008 W. Lim, D. P. Norton, S. J. Pearton, X. J. Wang, W. M. Chen, I. A. Buyanova, A. Osinsky, J. W. Dong, B. Hertog, A. V. Thompson, W. V. Schoenfeld, Y. L. Wang, and F. Ren "Migration and luminescence enhancement effects of deuterium in ZnO/ZnCdO quantum wells" Applied Physics Letters 92, (2008)
2007 A. V. Thompson, C. Boutwell, J. W. Mares, A. Osinsky, B. Hertog, J. Q. Xie, S. J. Pearton, D. P. Norton, and W. V. Schoenfeld "Thermal stability of CdZnO/ZnO multi-quantum wells" Applied Physics Letters 91, (2007)
2007 A. V. Thompson, J. W. Mares, H. Seigneur, and W. V. Schoenfeld "Optimization of GaAs PIN diodes for neutron detection" Physics and Simulation of Optoelectronic Devices XV, San Jose, CA, USA, 2007, pp. 64680P-5
2007 A. V.Thompson, C. Boutwell, J. W. Mares, A. Osinsky, B. Hertog, J. Q. Xie, S. J. Pearton, D. P. Norton, and W. V. Schoenfeld "Thermal stability of CdZnO/ZnO multi-quantum-wells" Applied Physics Letters 91, 201921 (2007).
2007 C. Mazuir and W. V. Schoenfeld "Modeling of nitride based core/multishell nanowire LEDs" Journal of Nanophotonics 1, 013503 (2007).
2007 Clarisse Mazuir, Christine Klemenz, and Winston V. Schoenfeld "Comprehensive modeling of nitride based core/multishell nanowires as a guiding tool for the growth and fabrication of future high efficiency nanowire devices" International Conference of Crystal Growth 15 2007
2007 E. S. Moskalenko, M. Larsson, K. F. Karlsson, P. O. Holtz, B. Monemar, W. V. Schoenfeld, and P. M. Petroff "Enhancement of the luminescence intensity of InAs/GaAs quantum dots induced by an external electric field" Nano Letters 7, pp. 188-193 (2007).
2007 E. S. Moskalenko, M. Larsson, K. F. Karlsson, P. O. Holtz, B. Monemar, W. V. Schoenfeld, and P. M. Petroff "The effect of the external lateral electric field on the luminescence intensity of InAs/GaAs quantum dots" Physics of the Solid State 49, pp. 1995-1998 (2007)
2007 J. W. Mares, F. R. Ruhge, A. V. Thompson, P. G. Kik, A. Osinsky, B. Hertog, A. M. Dabiran, P. P. Chow, and W. V. Schoenfeld "Optical and morphological properties of MBE grown wurtzite CdxZn1-xO thin films" Optical Materials, vol. 30, pp. 346-350 (2007).
2006 A. V. Osinsky, J. Dong, B. Hertog, A. M. Dabiran, P. Chow, W. Schoenfeld, S. J. Pearton, D. Look, and A. Cartwright "Properties of CdZnO/ZnO Heterostructures for UV Light Emitters" ECS Transactions 3, pp. 323-331 (2006).
2006 A. V. Osinsky, J. Dong, B. Hertog, A. M. Dabiran, P. Chow, W. Schoenfeld, S. Pearton, D. Look, and A. Cartwright "CdZnO/ZnO Heterostructures for UV-Visible Light Emitters" ECS Meeting Abstracts 602, pp. 1316-1316 (2006).
2006 E. S. Moskalenko, M. Larsson, K. F. Karlsson, P. O. Holtz, B. Monemar, W. V. Schoenfeld, and P. M. Petroff "Enhancement of the Luminescence Intensity of InAs/GaAs Quantum Dots Induced by an External Electric Field" Nano Letters, 2006.
2006 E. S. Moskalenko, M. Larsson, W. V. Schoenfeld, P. M. Petroff, and P. O. Holtz "Carrier transport in self-organized InAs/GaAs quantum-dot structures studied by single-dot spectroscopy" Physical Review B 73, Apr 2006.
2006 M. Larsson, E. S. Moskalenko, L. A. Larsson, P. O. Holtz, C. Verdozzi, C. O. Almbladh, W. V. Schoenfeld, and P. M. Petroff "Magnetic field effects on optical and transport properties in InAs/GaAs quantum dots" Physical Review B 74 (Condensed Matter and Materials Physics), pp. 245312-8 (2006).
2006 O. Lopatiuk-Tirpak, W. V. Schoenfeld, L. Chernyak, F. X. Xiu, J. L. Liu, S. Jang, F. Ren, S. J. Pearton, A. Osinsky, and P. Chow "Carrier concentration dependence of acceptor activation energy in p-type ZnO" Applied Physics Letters 88, 202110 (2006).
2006 V. Donchev, E. S. Moskalenko, K. F. Karlsson, P. O. Holtz, B. Monemar, W. V. Schoenfeld, J. M. Garcia, and P. M. Petroff "Enhancement of the photoluminescence intensity of a single InAs/GaAs quantum dot by separate generation of electrons and holes" Physics of the Solid State 48, pp. 1993-1999 (2006).
2005 E. S. Moskalenko, F. K. Karlsson, V. T. Donchev, P. O. Holtz, B. Monemar, W. V. Schoenfeld, and P. M. Petroff "Effects of separate carrier generation on the emission properties of InAs/GaAs quantum dots" Nano Letters 5, pp. 2117-2122 (2005).
2005 E. S. Moskalenko, K. F. Karlsson, V. Donchev, P. O. Holtz, W. V. Schoenfeld, and P. M. Petroff "Effect of an electric field on the carrier collection efficiency of InAs quantum dots" Physics of the Solid State 47, pp. 2154-2161 (2005).
2005 R. Khanna, S. Y. Han, S. J. Pearton, D. Schoenfeld, W. V. Schoenfeld, and F. Ren "High dose Co-60 gamma irradiation of InGaN quantum well light-emitting diodes" Applied Physics Letters 87, p. 212107 (2005).
2004 E. S. Moskalenko, K. F. Karlsson, V. Donchev, P. O. Holtz, B. Monemar, W. V. Schoenfeld, and P. M. Petroff "Effective optical manipulation of the charge state and emission intensity of the InAs/GaAs quantum dots by means of additional infrared illumination" Applied Physics Letters 85, pp. 754-756 (2004).
2004 E. S. Moskalenko, K. F. Karlsson, V. Donchev, P. O. Holtz, W. V. Schoenfeld, and P. M. Petroff "The effect of an additional infrared laser on the carrier collection efficiency of InAs quantum dots" Applied Physics Letters 84, pp. 4896-4898 (2004).
2004 V. Donachev, K. F. Karlsson, E. S. Moskalenko, P. O. Holtz, B. Monemar, W. V. Schoenfeld, J. Garcia, and P. M. Petroff "Temperature study of the photoluminescence of a single InAs/GaAs quantum dot" Phys. Stat. Solidi (c) 3, p. 608 (2004).
Conference Proceedings
2017 Mykyta Toporkov, Partha Mukhopadhyay, Haider Ali, Valeria Beletsky, Fikadu Alema, Andrei Osinsky, Winston V Schoenfeld "MgZnO Grown by Molecular Beam Epitaxy on N-Type ß-Ga2O3 for UV Schottky Barrier Solar-Blind Photodetectors" Proceedings SPIE 10105, Oxide-based Materials and Devices VIII, 101051N
2016 F. Alema, O. Ledyaev, R. Miller, V. Beletsky, B. Hertog, A. Osinsky, and W.V. Schoenfeld "High Mg content wurtzite phase MgxZn1-xO epitaxial film grown via pulsed-metal organic chemical vapor deposition (PMOCVD)" SPIE 9749, Oxide-based Materials and Devices VII, 97490Y
2015 A. Ashraf, K. O. Davis, Ögütman, W. V. Schoenfeld, and M. D. Eisaman "Hyperspectral laser beam induced current system for solar cell characterization" 42nd IEEE Photovoltaic Specialists Conference, New Orleans, LA
2015 B. Sopori, S. Devayajanam, P. Basnyat, R. Schnepf, S. Sahoo, J. Gee, F. Severico, A. Manens, H. Seigneur, W.V. Schoenfeld, S. Preece, J. Binns, J. Appel, K. VanSant "Surface damage introduced by diamond wire sawing of si wafers: measuring in-depth and the lateral distributions for different cutting parameters" 2015 MRS Spring Meeting, 6-10 April
2015 E. Schneller, K. O. Davis, K. Ögütman, and W. V. Schoenfeld "Considerations in the Extraction of Physically Significant Parameters for Various c-Si Cell Architectures" 42nd IEEE Photovoltaic Specialists Conference, New Orleans, LA
2015 K. O. Davis, I. Kashkoush, A. Blum, K. Ögütman, E. Schneller, R. A. Sinton, and W. V. Schoenfeld "Impact of Ozone-Based Cleaning on Surface Recombination with Different Passivation Materials" 42nd IEEE Photovoltaics Specialists Conference, New Orleans, LA
2015 K. Ögütman, K. O. Davis, E. Schneller, V. Yelundur, and W.V. Schoenfeld "A thorough way of mapping efficiency with photoluminescence" 42nd IEEE Photovoltaic Specialists Conference, New Orleans, LA
2014 A. C. Rudack, K. O. Davis, H. P. Seigneur, and W. V. Schoenfeld "Electrostatic Charge/Discharge Challenges in c-Si PV Manufacturing" ESTECH, May 13-16, San Antonio, TX
2014 K. O. Davis, E. Schneller, and W. V. Schoenfeld "Evaluating the potential of increasing module energy yield by spectrally binning c-Si solar cells" 24th Workshop on Crystalline Silicon Solar Cells & Modules: Materials and Processes, Breckenridge, CO
2014 K.O. Davis, J. Sun, K. Jiang, R.P. Brooker, W.V. Schoenfeld "Optical properties of screen-printed aluminum contacts" 40th IEEE Photovoltaic Specialists Conference, Denver, CO, 2014, pp. 0594-0597. DOI: 10.1109/PVSC.2014.6924991
2014 K.O. Davis, J. Walters, E. Schneller, H. Seigneur, R.P. Brooker, G. Scardera, M.P. Rodgers, N. Mohajeri, N. Shiradkar, N.G. Dhere, J. Wohlgemuth, A.C. Rudack, W.V. Schoenfeld "A review of manufacturing metrology for improved reliability of silicon photovoltaic modules" Proc. SPIE 9179, San Diego, CA, 2014. DOI: 10.1117/12.2063781
2014 W. Zhang, K.O. Davis, W.V. Schoenfeld, P. Looney, F. Wang "STEM-EELS Studies of the Local Structure and Coordination of Al2O3/Si interfaces in Si Solar Cells" Microscopy and Microanalysis, S3, 396-397, 2014. DOI: 10.1017/S1431927614003705
2013 K.O. Davis, K. Jiang, C. Demberger, H. Zunft, D. Habermann, W.V. Schoenfeld "Optical and Microstructural Properties of TiO2 ARCs Deposited via In-Line APCVD" 39th IEEE Photovoltaic Specialists Conference, Tampa, FL, 2013. DOI: 10.1109/PVSC.2013.6744361
2013 M. Wei, R. C. Boutwell, and W. V. Schoenfeld "Impact of Growth Conditions on ZnO Homoepitaxial Films on ZnO Substrates by Plasma-assisted Molecular Beam Epitaxy" Proceedings of SPIE Photonics West
2012 K. O. Davis, H. Seigneur, K. Jiang, C. Demberger, H. Zunft, H. Haverkamp, D. Habermann, W. V. Schoenfeld "Optical Modeling of the Internal Back Reflectance of Various c-Si Dielectric Stacks featuring Al2O3, TiO2, SiO2 and SiNX" Proc. of the 38th IEEE Photovoltaic Specialists Conference, 2012. DOI: 10.1109/PVSC.2012.6317779
2012 M. D. Weed, C. Williams, P. J. Delfyett, and W. V. Schoenfeld "Feedback in coupled-resonance optical waveguides" CLEO 2012, Proceedings of OSA.
2011 R. C. Boutwell, J. W. Mares, M. W. Wei, and W. V Schoenfeld "Cubic ZnMgO and NiMgO for UV-C Applications" Proceedings of AVS-58
2010 C. Mazuir, and W.V. Schoenfeld "Critical Nanofabrication Parameters for the E-Beam Assisted Design of a Sub Wavelength Aluminum Mesh " Proceedings of SPIE Photonics West 2010
2010 J.W. Mares, C.R. Boutwell, A. Scheurer, and W.V. Schoenfeld "Cubic ZnxMg1-xO and NiyMg1-yO Thin Films Grown by Molecular Beam Wpitaxy for Deep-UV Optoelectronic Applications" Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VI, SPIE Security and Defense, Orlando, FL (Invited)
2010 J.W. Mares, C.R. Boutwell, A. Scheurer, M. Falanga, and W.V. Schoenfeld "Cubic ZnxMg1-xO and NixMg1-xO Thin Films Grown by Molecular Beam Epitaxy for Deep-UV Optoelectronic Applications " Oxide-based Materials and Devices, SPIE Photonics West. vol. 7603, F. H. Teherani, D. C. Look, C. W. Litton, and D. J. Rogers, Eds. San Francisco, CA, SPIE, 76031B (Invited)
2010 M.D. Weed, H.P. Seigneur, and W.V. Schoenfeld "Cladding Index Engineering of the Photonic Properties of Single-Mode Photonic Crystal Devices" SPIE OPTO Proceedings v. 7764, Nanoengineering: Fabrication, Properties, Optics, and Devices VII, August
2010 M.D. Weed, H.P. Seigneur, and W.V. Schoenfeld "Optimization of Complete Band Gaps for Photonic Crystal Slabs Through Use of Symmetry Breaking Hole Shapes" SPIE Photonics West Proceedings vol. 7223, San Francisco, CA, February
2009 Jie Deng, Qiaoqiang Gan, Liangcheng Zhou, Volkmar R. Dierolf, Filbert J. Bartoli, James C. M. Hwang, Clarisse Mazuir, Winston V. Schoenfeld, and Andrei Osinsky "Polarization-Independent Surface-Plasmon-Enhanced High-Speed Ultraviolet p+-AlGaN/i-GaN/n+-GaN Photodetectors" Proceedings of ICMAT & IUMRS-ICA 2009
2009 M.D. Weed; H.P. Seigneur; W.V. Schoenfeld "Optimization of complete band gaps for photonic crystal slabs through use of symmetry breaking hole shapes" Photonics West 2009, Photonic and Phononic Crystal Materials and Devices IX. Proceedings of the SPIE, Volume 7223, pp. 72230Q-72230Q-9 (2009).
2008 A. V. Thompson, H. Seigneur, M. N. Leuenberger, and W. V. Schoenfeld "Active Components in Photonic Integrated Circuits Using Electron Spins in Quantum Dots" Photonics Europe Strasbourg, France, 2008
2008 Clarisse Mazuir, and Winston V. Schoenfeld "Modeling standard techniques to improve core/multishell nanowire light emitting diodes efficiencies" Proceedings of SPIE Optics and Photonics 2008
2008 H. P. Seigneur, M. N. Leuenberger, and W. V. Schoenfeld "Design of single-photon Mach-Zehnder interferometer based devices for quantum information processing" Advanced Optical Concepts in Quantum Computing, Memory, and Communication, San Jose, CA, USA, 2008, pp. 69030C-11
2007 A. V. Thompson, J. W. Mares, H. Seigneur, and W. V. Schoenfeld "Optimization of GaAs PIN diodes for neutron detection" Physics and Simulation of Optoelectronic Devices XV. Edited by Osinski, Marek; Henneberger, Fritz; Arakawa, Yasuhiko. Proceedings of the SPIE, Volume 6468, pp. 64680P (2007).
2007 J. Deng, S. Halder, J. C. M. Hwang, A. Osinsky, H. Seigneur, W. V. Schoenfeld, and L. Chernyak "Radio-frequency characteristics of non-line-of-sight, ultraviolet links" 2007 Asia-Pacific Microwave Photonics Conference, Jeju Island, Korea, 2007
2006 A. V. Osinsky, J. W. Dong, J. Q. Xie, B. Hertog, A. M. Dabiran, P. P. Chow, S. J. Pearton, D. P. Norton, D. C. Look, W. Schoenfeld, O. Lopatiuk, L. Chernyak, M. Cheung, A. N. Cartwright, and M. Gerhold "ZnCdO/ZnMgO and ZnO/AlGaAn Heterostructures for UV and Visible Light Emitters" Materials Research Society Symposium Proceedings 892, 2006.
2006 P. O. Holtz, E. S. Moskalenko, M. Larsson, K. F. Karlsson, W. V. Schoenfeld, and P. M. Petroff "Enhanced luminescence from InAs/GaAs quantum dots" Optical Materials in Defence Systems Technology III, Stockholm, Sweden, 64010I-12 (2006).
2005 A. V. Osinsky, J. Dong, J. Q. Xie, B. Hertog, A. M. Dabiran, P. P.Chow, S. J. Pearton, D. P. Norton, D. C. Look, W. Schoenfeld, O. Lopatiuk, L. Chernyak, M. Cheung, A. N. Cartwright, and M. Gerhold "ZnCdO/ZnMgO and ZnO/AlGaN heterostructures for UV and Visible light emitters" MRS Annual Fall Meeting, Boston, MA, 2005.
Other Unrefereed Publications
2016 H.P. Seigneur, S. Ostapenko, I. Tarasov, C. Rodrigues, Y. Zaikin, K. Murrow, and W.V. Schoenfeld "Inline diamond wire inspection based on resonant vibrations" Photovoltaics International, 31
2014 H. P. Seigneur, J. Walters, P. Brooker, A. C. Rudack, and W. V. Schoenfeld "3rd Annual c-Si PVMC Workshop Report" U.S. Photovoltaic Manufacturing Consortium (PVMC) Reports, Intersolar NA, San Francisco, CA (2014)
2013 H. Seigneur, K.O. Davis, A. Rudack, W.V. Schoenfeld "PVMC Tackles c-Si Feedstock and Wafering Challenges" Future Photovoltaics
2012 K. Davis, H. Seigneur, A. Rudack, and W. V. Schoenfeld "PVMC Tackles c-Si Metrology Challenges" Future Photovoltaics
2009 W. V. Schoenfeld, J. W. Mares, and M. Falanga "Binary Cubic Oxide Compounds for Deep-UV Wavelength Applications (Invited Talk)" GOMAC Tech 2009, Double Tree Resort, Orlando, FL.
2009 W. V. Schoenfeld, J. W. Mares, M. Falanga, S. Karpov, A. Osinsky, and B. Hertog "Alloy Heterostructure Design in ZnCdMgO (Invited Talk)" GOMAC Tech 2009, Double Tree Resort, Orlando, FL.
2008 H. Seigneur, M. D. Weed, M. N. Leuenberger, and W. V. Schoenfeld "Self-assembled quantum dots within photonic crystal nanocavities for the realization quantum networks (Invited Talk)" Particles 2008, Wyndham Orlando Resort, Orlando, FL, 2008
2007 J. W. Mares, H. Seigneur, A. V. Thompson, A. V. Osinsky, J. Xie, J. W. Dong, B. Hertog, P. P. Chow, S. J. Pearton, D. Look, M. Gerhold, and W. V. Schoenfeld "Epitaxial Growth of ZnO–based Multilayered Structures for Electronic and Photonic Applications (Invited Talk)" FL-AVS Symposium Orlando, FL, 2007
2006 A. V. Osinsky, J. Dong, J. Q. Xie, B. Hertog, A. M. Dabiran, P. Chow, S. Pearton, D. P. Norton, D. Look, W. Schoenfeld, O. Lopatiuk, L. Chernyak, M. Cheung, A. Cartwright, and M. Gerhold "ZnCdO/ZnMgO and ZnO/AlGaN heterostructures for UV and Visible Light Emitters (Invited Talk)" MRS Spring Meeting, 2006
2006 A. V. Osinsky, J. Dong, J. Q. Xie, B. Hertog, M. Z. Kauser, A. M. Dabiran, P. Chow, W. V. Schoenfeld, and L. Chernyak "ZnCdO/AlGaN heterostructures for application as UV and visible light emittters (Invited Talk)" OPTO 2006, San Jose, CA, 2006
Presentations
2017 M. Toporkov, P. Mukhopadhyay, H. Ali, V. Beletsky, F. Alema, A. Osinsky, and W. V. Schoenfeld "MgZnO grown by molecular beam epitaxy on n-Type B-Ga2O3 for UV Schottky barrier solar-blind photodetectors" OPTO at SPIE Photonics West, San Francisco
2016 E. J. Schneller, K. O. Davis, K. Ogutman, and W. V. Schoenfeld "Optical Loss Analysis of c-Si Solar Cells using Spatially Resolved Quantum Efficiency and Reflectance Measurements" 43rd IEEE Photovoltaic Specialists Conference, Portland, OR
2016 E. Schneller, N. Shiradkar, H. Seigneur, K. Davis, and W. V. Schoenfeld "Effect of Diamond Wire Saw Marks on Solar Cell Performance" Silicon PV 2016 - 6th International Conference on Silicon Photovoltaics (Energy Procedia), Chambery, France
2016 H. Ali, K. O. Davis, and W. V. Schoenfeld "Surface passivation by AlOx in c-Si solar cells" TMS 2016: 145th Annual Meeting & Exhibition, Nashville, TN
2016 H. Seigneur, K. Ogutman, E. Schneller, K. O. Davis, and W. V. Schoenfeld "Effect of Cracks on Spatially Resolved c-Si Solar Cell Parameters" 43nd IEEE Photovoltaic Specialist Conference (PVSC), Portland, OR
2016 J. P. Looney, W. Zhang, F. Wang, K. O. Davis, K. Jiang, and W. V. Schoenfeld "Interfacial Structure and Passivation Properties of Al2O3 on Silicon" 43rd IEEE Photovoltaic Specialists Conference, Portland, OR
2016 N. Shiradkar, H. Seigneur, T. R. Newton, S. Danyluk, and W. V. Schoenfeld "Effect of Laser Marks and Residual Stress in Wafers on the Propensity for Performance Loss due to Cracking in Solar Cells" 43nd IEEE Photovoltaic Specialist Conference (PVSC), Portland, OR
2016 S. Gui, E. Schneller, K. O. Davis, and W. V. Schoenfeld "Quantitative Analysis of Crystalline Silicon Wafer PV Modules by Electroluminescence Imaging" 43rd IEEE Photovoltaic Specialists Conference, Portland, OR
2016 S. Guo, E. Schneller, J. Walters, K. O. Davis, and W. V. Schoenfeld "Detecting loss mechanisms of c-Si PV modules by ISC-VOC and I-V measurement" Optics & Photonics (SPIE), San Diego, CA
2015 B. Sopori, S. Devayajanam, P. Basnyat, R. Schnepf, S. Sahoo, J. Gee, F. Severico, A. Manens, H. Seigneur, W. V. Schoenfeld, S. Preece, J. Binns, J. Appel, and K. VanSant "Surface Damage Introduced by Diamond Wire Sawing of Si Wafers: Measuring in-depth and the Lateral Distributions for Different Cutting Parameters" 2015 MRS Spring Meeting
2015 K. Ogutzman, K. Davis, W.V. Schoenfeld "Thorough analyses of different ways of mapping efficiency of silicon solar cells with photoluminescence" FL AVS Annual Symposium, Young Leaders Session, Orlando, FL
2014 H.P. Seigneur, B. Wang, A. Leadbetter, K.O. Davis, A.C. Rudack, W.V. Schoenfeld "Stress Associated with the Shaping of CZ Grown Silicon Ingots" 29th European Photovoltaic Solar Energy Conference and Exhibition, Amsterdam, Netherlands, 2014
2014 P. Brooker, M. Rogers, K. Davis, A. C. Rudack, W. Schoenfeld, H. Seigneur "Surface Preparation Challenges in Crystalline Silicon (c-Si) Photovoltaic Manufacturing" 2014 SPCC conference
2013 K.O. Davis, K. Jiang, C. Demberger, H. Zunft, D. Habermann, and W.V. Schoenfeld "Microstructural properties of TiO2 anti-reflection coatings deposited via in-line APCVD" 39th IEEE Photovoltaic Specialists Conference
2013 M. Wei, R. C. Boutwell, and W. V. Schoenfeld "Homoepitaxial growth of high quality ZnO thin films" Young Leads’ Session, FL-AVS Symposium, Orlando, FL
2012 K.O. Davis, H.P. Seigneur, K. Jiang, C. Demberger, H. Zunft, H. Haverkamp, D. Habermann, W.V. Schoenfeld "Optical modeling of the internal back reflectance of various c-Si dielectric stacks featuring AlOx, SiNx, TiO2 and SiO2" 38th IEEE Photovoltaic Specialists Conference
2012 K.O. Davis, K. Jiang, C. Demberger, H. Zunft, D. Habermann, W.V. Schoenfeld "An industrial solution for surface passivation of c-Si using AlOx film deposited by in-line atmosphere chemical vapor deposition" AVS 59
2012 M. Wei, R. C. Boutwell, and W. V. Schoenfeld "High Quality ZnMgO Thin Films Grown on Sapphire and ZnO Substrates by Molecular Beam Epitaxy" TF+AS-WeA7, AVS 59th International Symposium, 2012
2012 R. C. Boutwell, M. Wei, and W.V. Schoenfeld "Effect of Growth Conditions on Cubic ZnMgO films" TF+AS-WeA7, AVS 59th International Symposium, 2012
2010 A. Scheurer, C. Boutwell, J. Mares, and W.V. Schoenfeld "Cubic Oxide Semiconductors for Deep Ultraviolet Applications (FIRST PLACE AWARD - ENGINEERING)" UCF, Showcase of Undergraduate Research Excellence (SURE), Orlando, FL, April
2010 A. Scheurer, C. Boutwell, J. Mares, and W.V. Schoenfeld "Cubic Oxide Semiconductors for Deep Ultraviolet Applications (Third Place Award)" SHPE National Conference, Cincinnati, OH, October
2010 A. Scheurer, C. Boutwell, J.Mares, and W.V. Schoenfeld "Cubic Oxide Semiconductors for Deep Ultraviolet Applications (First Place Award - Undergraduate Presentation and Paper)" IEEE SouthestCon 2010 (IEEE Regional Conference), Charlotte, NC, March
2010 A.Scheurer, C. Boutwell, J. Mares, and W.V. Schoenfeld "Cubic Oxide Semiconductors for Deep Ultraviolet Applications" NSF Engineering Education Awardees Conference, Reston, VA, January
2009 H. Siegneur, M. D. Weed, G. Gonzales, and M. N. Leuenberger, and W. V. Schoenfeld "The Physics and Challenges of Realizing Quantum Teleportation Using Quantum Dots Within a Quantum Network (Invited Talk)" NanoFlorida 2009, University of Central Florida, Orlando, FL.
2009 W. V. Schoenfeld, J. Mares, A. Osinsky, B. Hertog, and S. Karpov "Alloy Heterostructure Design in ZnCdMgO (Invited Talk)" GOMAC Tech 2009, Doublt Tree Resort, Orlando, FL.
2005 J. Mares, H. Seigneur, A. Osinsky, B. Hertog, P. P. Chow, and W. V. Schoenfeld "Characterization of MBE-grown CdxZn1-xO thin films" Optics in the Southeast, Atlanta, GA, 2005.
Patents
2016 W.V. Schoenfeld, H. Zhou "LED Backlight Apparatus and Method (DIV) " US 9,9303,826
2015 M. Wei, R.C. Boutwell, W.V. Schoenfeld "Photodetectors based on wurtzite MgZnO" US 9059417 B1
2015 R.C. Boutwell, M. Wei, W.V. Schoenfeld "UV photodetectors having semiconductor metal oxide layer" US 9112074 B2
2014 K.O. Davis, W.V. Schoenfeld "Doped hafnium oxide semiconductor structures, methods and applications" U.S. Patent Application No. 61/968,672, 2014
2013 K. Davis, D. Click, B. Reedy, and W. V. Schoenfeld "METHOD AND APPARATUS FOR PHOTOVOLTAIC CELL DEGRADATION MONITORING VIA CURRENT-VOLTAGE MEASUREMENTS (ID: 32864)" Patent Pending, Appl. PCT/US13/70724
2013 K.O. Davis, W.V. Schoenfeld, K. Jiang, D. Habermann "Silicon material substrate doping method, structure and applications" U.S. Patent Application No. 13/910,310, 2013.
Theses or Dissertations
2017 Haider Ali "Study of Surface Passivation Behavior of Crystalline Silicon Solar Cells" A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in CREOL, The College of Optics and Photonics at the University of Central Florida Orlando
2015 K. Davis "Atmospheric pressure chemical vapor deposition of functional oxide materials for crystalline silicon solar cells" A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in CREOL, The College of Optics and Photonics at the University of Central Florida Orlando
2014 Jeffrey D'Archangel "Large Area, Conformal Infrared Frequency Selective Surfaces" A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in CREOL, The College of Optics and Photonics at the University of Central Florida Orlando
2013 Ming Wei "Growth And Characterization of ZnO Based Semiconductor Materials And Devices" Dissertation
2013 R. C. Boutwell "The Impact of Growth Conditions on Cubic Zn1-zMgxO Ultraviolet Sensors" A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in CREOL, The College of Optics and Photonics at the University of Central Florida Orlando
2010 Hubert Seigneur "Modeling And Design Of a Photonic Crystal Chip Hosting a Quantum Network Made Of Single Spins In Quantum Dots That Interact Via Singlephotons " PhD Dissertation, CREOL, The College of Optics and Photonics
Invited Presentations
2015 K.O. Davis, W.V. Schoenfeld "APCVD: an enabling technology for manufacturing silicon solar cells" FL AVS Annual Symposium, Orlando, FL
2013 K.O. Davis, K. Jiang, C. Demberger, H. Zunft, D. Habermann, and W. V. Schoenfeld "Multi-functional APCVD oxide films for c-Si solar cells" Florida AVS Symposium, Orlando, FL (Invited)
2013 K.O. Davis, K. Jiang, C. Demberger, H. Zunft, D. Habermann, and W.V. Schoenfeld "Multi-functional APCVD oxide films for c-Si solar cells (invited talk)" 2nd Annual c-Si PVMC Workshop, Intersolar North America
2013 K.O. Davis, K. Jiang, C. Demberger, H. Zunft, D. Habermann, W.V. Schoenfeld "Multi-functional APCVD oxide films" SCEC-IMAPS Symposium (Invited)
2012 M. Wei, C. Boutwell, and W. V. Schoenfeld "Lattice–Matched Molecular Beam Epitaxy of Oxide Semiconductors for UV Applications" Invited Talk at Florida AVS Symposium, March 6th, Orlando, FL.
2012 W. V. Schoenfeld, M. Wei, J. W. Mares, A. Scheurer, and C. Boutwell "Oxide semiconductors for ultra-violet optoelectronics" Invited Talk for Wide Bandgap Semiconductor Center of Excellence Seminar Series, February 9th, U.S. Army Research Laboratory, Adelphi, MD.
Posters
2016 E. Schneller, H. Seigneur, K. Davis, and W.V. Schoenfeld "Effect of diamond wire saw marks on solar cell performance" Silicon PV 2016 - 6th International Conference on Silicon Photovoltaics, Chambery, France
2015 K.O. Davis, W.V. Schoenfeld "Atmospheric Pressure Chemical Vapor Deposition: An Enabling Technology for Manufacturing Silicon Solar Cells" CREOL Industrial Affiliates Symposium
2013 M. Wei, R. C. Boutwell, and W. V. Schoenfeld "Morphological, Structural, and Optical Characterization of High Quality Homoepitaxial ZnO Films for Ultraviolet Application" Grand Prize in Materials Characterization, FL-AVS Symposium, Orlando, FL, 2013
Pending Patents
2015 W.V. Schoenfeld "LED backlight apparatus and method" Patent Pending 01/29/2015 14/608,562
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