Search Results - "Wilkins, Matthew M."

Ripple-Free Boost-Mode Power Supply Using Photonic Power Conversion by Wilkins, Matthew M., Ishigaki, Masanori, Provost, Philippe-Olivier, Masson, Denis, Fafard, Simon, Valdivia, Christopher E., Dede, Ercan M., Hinzer, Karin

“…Photonic power converters (PPCs) are a class of photovoltaic devices designed for efficient conversion of monochromatic (laser or LED) light to electricity…”
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A general design guideline for strain-balanced quantum-wells toward high-efficiency photovoltaics by Huang, Hsiang-Hung, Toprasertpong, Kasidit, Delamarre, Amaury, Wilkins, Matthew M., Sugiyama, Masakazu, Nakano, Yoshiaki

“…•We propose a general design guideline of SB-MQWs for photovoltaics.•Our design flow is demonstrated by applying to a top-cell and middle-cell…”
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Material Quality Requirements for Intermediate Band Solar Cells by Wilkins, Matthew M., Dumitrescu, Eduard C., Krich, Jacob J.

“…Intermediate band (IB) solar cells hold the promise of efficiency as high as triple-junction solar cells with much simpler cell design, containing only two…”
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Procedure to decouple reflectance and down-shifting effects in luminescent down-shifting enhanced photovoltaics by Gabr, Ahmed M, Walker, Alexandre W, Wilkins, Matthew M, Kleiman, Rafael, Hinzer, Karin

“…The down-shifting (DS) process is a purely optical approach used to improve the short-wavelength response of a solar cell by shifting high-energy photons to…”
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Simudo: a device model for intermediate band materials by Dumitrescu, Eduard C., Wilkins, Matthew M., Krich, Jacob J.

“…We describe Simudo, a free Poisson/drift-diffusion steady state device model for semiconductor and intermediate band materials, including self-consistent…”
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Optimal Band Gaps for Non-Ideal Intermediate Band Solar Cells by Wilkins, Matthew M., Krich, Jacob J.

“…A detailed balance model for intermediate-band solar cells (IBSCs) has been adapted to include non-radiative recombination. We search for the band structure…”
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External Radiative Efficiency In Multijunction Devices by Xia, Daixi, Wilkins, Matthew M., Krich, Jacob J.

“…We derive the proper multijunction external radiative efficiency, \eta_{\text{ext}} , that gives logarithmic reduction of open-circuit voltage V_{\text{oc}} ,…”
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Intermediate band mobility requirements in intermediate band solar cells by Stolow, Avya, Gayowsky, David J., Wilkins, Matthew M., Krich, Jacob J.

“…The term "intermediate band solar cells" invokes the idea of band transport in the intermediate band (IB), but since current is not extracted directly from the…”
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Tunnel-Junction-Limited Multijunction Solar Cell Performance Over Concentration by Walker, A. W., Theriault, O., Wilkins, M. M., Wheeldon, J. F., Hinzer, K.

“…The simulation of tunnel junctions is performed by using nonlocal band-to-band and trap assisted tunneling models that are capable of reproducing the…”
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Minimum material quality threshold for intermediate band solar cells using a multi-band device simulator with fully coupled optics by Wilkins, Matthew M., Dumitrescu, Eduard C., Krich, Jacob J.

“…Intermediate band (IB) solar cells hold the promise of efficiency as high as triple-junction solar cells with much simpler cell design, containing only two…”
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Device model for intermediate band materials by Dumitrescu, Eduard C., Wilkins, Matthew M., Krich, Jacob J.

“…Device modeling is an essential part of the design of all semiconductor devices. Though many device models exist for semiconductors, there has not been any…”
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Opportunities for High Efficiency Monochromatic Photovoltaic Power Conversion at 1310 nm by Xia, Daixi, Beattie, Meghan N., Chun Tam, Man, Wilkins, Matthew M., Valdivia, Christopher E., Wasilewski, Zbigniew R., Hinzer, Karin, Krich, Jacob J.

“…We show the high efficiency and voltage possible for a monochromatic multijunction photovoltaic device operating at the telecommunication wavelength 1310 nm…”
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Two-Junction III-V Photonic Power Converter Operating At Monochromatic Telecom Wavelengths by Beattie, Meghan N., Zamiri, Marziyeh, Kaller, Kayden L. C., Wilkins, Matthew M., Valdivia, Christopher E., Xia, Daixi, Tam, Man Chun, Kim, HoSung, Krich, Jacob J., Wasilewski, Zbigniew, Hinzer, Karin

“…We present a two-junction photonic power converter operating under monochromatic illumination in the telecommunications O-band. The design, which is a direct…”
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Multijunction Solar Cell Designs Using Silicon Bottom Subcell and Porous Silicon Compliant Membrane by Wilkins, M. M., Boucherif, A., Beal, R., Haysom, J. E., Wheeldon, J. F., Aimez, V., Ares, R., Hall, T. J., Hinzer, K.

“…A novel approach to the design of multijunction solar cells on silicon substrates for 1-sun applications is described. Models for device simulation, including…”
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A new optically-isolated power converter for 12 V gate drive power supplies applied to high voltage and high speed switching devices by Ishigaki, Masanori, Fafard, Simon, Masson, Denis P., Wilkins, Matthew M., Valdivia, Christopher E., Hinzer, Karin

“…We present a new design for an isolated power converter using optical power transducer (OPT) technology. The converter transmits optical power from a laser…”
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Effects of luminescent coupling in single- and 4-junction dilute nitride solar cells by Wilkins, Matthew M., Gabr, Ahmed M., Trojnar, Anna H., Schriemer, Henry, Hinzer, Karin

“…A novel method for incorporating the effects of luminescent coupling and photon recycling in numerical simulations of planar devices is described. The carrier…”
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Device model for intermediate band materials by Dumitrescu, Eduard C., Wilkins, Matthew M., Krich, Jacob J.

“…For twenty years, intermediate band (IB) materials have been developed with the goal of making high-efficiency photovoltaics, with limiting efficiencies…”
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Simudo: a device model for intermediate band materials by Dumitrescu, Eduard C, Wilkins, Matthew M, Krich, Jacob J

“…We describe Simudo, a free Poisson/drift-diffusion steady state device model for semiconductor and intermediate band materials, including self-consistent…”
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Evaluating and optimizing intermediate band solar cells by Krich, Jacob J., Dumitrescu, Eduard C., Wilkins, Matthew M.

“…Solar cells made from intermediate band (IB) materials have the potential to radically improve photovoltaic efficiencies. An efficient IB solar cell has not…”
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Opportunities for Increased Efficiency in Monochromatic Photovoltaic Light Conversion by Xia, Daixi, Wilkins, Matthew M., Chahal, Sanmeet S., Valdivia, Christopher E., Hinzer, Karin, Krich, Jacob J.

“…We study efficiency loss mechanisms and the Potential for improvement of a record-setting monochromatic photovoltaic device, which has demonstrated efficiency…”
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