Search Results - "Munshi, Amit"

Polycrystalline CdTe photovoltaics with efficiency over 18% through improved absorber passivation and current collection by Munshi, Amit H., Kephart, Jason M., Abbas, Ali, Shimpi, Tushar M., Barth, Kurt L., Walls, John M., Sampath, Walajabad S.

“…Sublimated thin-film CdTe photovoltaic devices with conversion efficiencies over 18% and a fill-factor greater than 79% have been repeatedly obtained using…”
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Effect of selenium and chlorine co-passivation in polycrystalline CdSeTe devices by Guo, Jinglong, Mannodi-Kanakkithodi, Arun, Sen, Fatih G., Schwenker, Eric, Barnard, E. S., Munshi, Amit, Sampath, W., Chan, Maria K. Y., Klie, Robert F.

“…CdTe-based solar cell efficiency has rapidly improved over the last few years. Some of the reasons have been a change to the absorber composition including the…”
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Te/CdTe and Al/CdTe Interfacial Energy Band Alignment by Atomistic Modeling by Nicholson, Anthony P., Shah, Akash, Pandey, Ramesh, Munshi, Amit H., Sites, James, Sampath, Walajabad

“…A synergistic approach that incorporates first-principles atomistic modeling with numerical device simulations is used to systematically evaluate the role of…”
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Review on Group-V Doping in CdTe for Photovoltaic Application by Nagaoka, Akira, Swain, Santosh K., Munshi, Amit H.

“…In recent years, one of the most important advancements in cadmium telluride photovoltaic research and technology has been the realization that group-V doping…”
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Understanding the role of selenium in defect passivation for highly efficient selenium-alloyed cadmium telluride solar cells by Fiducia, Thomas A. M., Mendis, Budhika G., Li, Kexue, Grovenor, Chris R. M., Munshi, Amit H., Barth, Kurt, Sampath, Walajabad S., Wright, Lewis D., Abbas, Ali, Bowers, Jake W., Walls, John M.

“…Electricity produced by cadmium telluride (CdTe) photovoltaic modules is the lowest-cost electricity in the solar industry, and now undercuts fossil fuel-based…”
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Titania nanotubes modified with copper enhance osteogenic differentiation of adipose derived stem cells by Savargaonkar, Aniruddha Vijay, Madruga, Liszt Coutinho, Munshi, Amit H, Popat, Ketul C

“…To achieve long term success of orthopedic implants, it is critical to have a successful integration of bone and implant material. To accomplish this, various…”
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Thin-film CdTe photovoltaics – The technology for utility scale sustainable energy generation by Munshi, Amit H., Sasidharan, Nikhil, Pinkayan, Subin, Barth, Kurt L., Sampath, W.S., Ongsakul, Weerakorn

“…•Direct comparison between performance of thin-film CdTe and c-Si modules in actual operating conditions.•Modules are installed in 3 conditions – ground,…”
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Stable magnesium zinc oxide by reactive Co-Sputtering for CdTe-based solar cells by Samoilenko, Yegor, Yeung, Gavin, Munshi, Amit H., Abbas, Ali, Reich, Carey L., Walker, Michael, Reese, Matthew O., Zakutayev, Andriy, Walls, J. Michael, Sampath, Walajabad S., Wolden, Colin A.

“…Magnesium zinc oxide (MZO) is a promising front contact material for CdTe solar cells. Due to its higher band gap than traditional CdS, MZO can reduce…”
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Understanding the Copassivation Effect of Cl and Se for CdTe Grain Boundaries by Shah, Akash, Nicholson, Anthony P, Fiducia, Thomas A. M, Abbas, Ali, Pandey, Ramesh, Liu, Junliang, Grovenor, Chris, Walls, John M, Sampath, Walajabad S, Munshi, Amit H

“…Chlorine passivation treatment of cadmium telluride (CdTe) solar cells improves device performance by assisting electron–hole carrier separation at CdTe grain…”
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Antifouling Behavior of Copper-Modified Titania Nanotube Surfaces by Savargaonkar, Aniruddha Vijay, Munshi, Amit H, Soares, Paulo, Popat, Ketul C

“…Titanium and its alloys are commonly used to fabricate orthopedic implants due to their excellent mechanical properties, corrosion resistance, and…”
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Microscopy Visualization of Carrier Transport in CdSeTe/CdTe Solar Cells by Xiao, Chuanxiao, Jiang, Chun-Sheng, Nardone, Marco, Albin, David, Danielson, Adam, Munshi, Amit H., Shimpi, Tushar, Sampath, Walajabad, Jones, Sean, Al-Jassim, Mowafak M., Teeter, Glenn, Haegel, Nancy M., Moutinho, Helio R.

“…Solar cells are essentially minority carrier devices, and it is therefore of central importance to understand the pertinent carrier transport processes. Here,…”
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Investigation of Sputtered P-Type Electrical Contacts for Thin Film Cadmium Telluride-Based Solar Cells by Hill, Blake, Khulmann, Forrest, Mate, Mayank, Munshi, Amit H.

“…The PV device structure has evolved significantly over the past few years and efficiencies have improved from \sim 11\% to >20\% . While the semiconductor…”
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Effect of Arsenic Doping in Polycrystalline Thin Film CdTe Solar Cells by Mate, Mayank, Shah, Akash, Pandey, Ramesh, Lustig, Zachary, Sampath, Walajabad, Munshi, Amit H.

“…Previous work has shown the positive effects of Arsenic doping in polycrystalline CdTe solar cells, particularly on charge carrier lifetimes, implied voltage…”
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Investigation of Varying Se Vapor Pressure During Deposition of CdSeTe Thin Film PV Devices by Myneni, Sushmakanth, Reich, Carey, Shaw, Daniel, Walajabad, Sampath, Munshi, Amit H.

“…Polycrystalline CdSeTe (CST) thin film material has shown External Radiative Efficiency (ERE) as high as 6% and carrier lifetimes as high as 4 microseconds…”
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Microsecond Carrier Lifetimes in Polycrystalline CdSeTe Heterostructures and in CdSeTe Thin Film Solar Cells by Kuciauskas, Darius, Albin, David, Moseley, John, Li, Siming, Acajev, Patrik, Reich, Carey, Munshi, Amit H., Danielson, Adam, Sampath, Walajabad, Lee, Chungho

“…We report significant advances in understanding and reducing nonradiative Shockley-Read-Hall recombination in polycrystalline CdSe x Te 1-x , leading to…”
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Three-Dimensional Imaging of Selenium and Chlorine Distributions in Highly Efficient Selenium-Graded Cadmium Telluride Solar Cells by Fiducia, Thomas A. M., Li, Kexue, Munshi, Amit H., Barth, Kurt, Sampath, Walajabad S., Grovenor, Chris R. M., Walls, John Michael

“…Thin-film solar modules based on cadmium telluride (CdTe) technology currently produce the world's lowest cost solar electricity. However, the best CdTe…”
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First principles guided device fabrication of arsenic doped CdTe photovoltaics by Shah, Akash, Pandey, Ramesh, Nicholson, Anthony P., Shimpi, Tushar, Sampath, Walajabad S., Munshi, Amit H.

“…The doping effect of arsenic (As) concentration in the CdTe absorber has been studied by using the first principles method. Atomistic modeling based on density…”
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Quantitative Cathodoluminescence Mapping: A CdMgSeTe Thin-Film Case Study by Torabi, Aida, Sullivan, James, Reich, Carey, Wunch, Melissa A., Garcia, Juan Alexandro, Beck, Claudia, Munshi, Amit H., Shimpi, Tushar, Roberts, Mienie, Sampath, Walajabad, Harvey, Taylor B.

“…Full-spectrum cathodoluminescence (CL) mapping provides a point-by-point spatial measurement of the apparent band gap of a semiconductor thin film. In most…”
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TEM-based Cathodoluminescence of a Selenium-alloyed CdTe Solar Cell by Fiducia, Thomas, Howkins, Ashley, Abbas, Ali, Mendis, Budhika, Munshi, Amit H., Barth, Kurt, Sampath, Walajabad S., Walls, John M.

“…Since 2015, commercial sample holders have been available that enable cathodoluminescence imaging of semiconductors in the TEM. Despite this, issues with low…”
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Arsenic Doping of Polycrystalline CdSeTe Devices for Microsecond Life-times with High Carrier Concentrations by Munshi, Amit H., Reich, Carey L., Danielson, Adam H., Pandey, Ramesh, Kuciauskas, Darius, Guo, Jinglong, Li, Siming, Shah, Akash, Swain, Santosh, Shimpi, Tushar M., Al-Hamdi, Tawfeeq K., Lynn, Kelvin G., Klie, Robert F., Sampath, Walajabad S.

“…We report seminal advances in fabrication and understanding of group V (As) doped thin-film polycrystalline CdTe-based solar cells. The devices are fabricated…”
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