Dr. Wladek Walukiewicz Profile

Dr. Wladek Walukiewicz

at Lawrence Berkeley National Lab

SPIE Involvement:

Author

Publications (9)

SPIE Journal Paper | 8 August 2022

Collection of photocarriers in intermediate band solar cells: experiments and equivalent circuit analysis

Nazmul Ahsan, Naoya Miyashita, Kin Man Yu, Wladek Walukiewicz, Yoshitaka Okada

JPE, Vol. 12, Issue 03, 032210, (August 2022) https://doi.org/10.1117/12.10.1117/1.JPE.12.032210

KEYWORDS: Solar cells, External quantum efficiency, Antimony, Nitrogen, Gallium, Diodes, Absorption, Gallium arsenide, Indium, Sun

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Proceedings Article | 5 March 2020 Presentation + Paper

Intermediate band solar cells based on highly mismatched II-VI oxide semiconductors

Tooru Tanaka, Katsuhiko Saito, Qixin Guo, Kin Man Yu, Wladek Walukiewicz

Proceedings Volume 11281, 112811U (2020) https://doi.org/10.1117/12.2550950

KEYWORDS: Zinc, Aluminum, Electrons, Solar cells, Chlorine, Photovoltaics, External quantum efficiency, Oxides, Group II-VI semiconductors, Crystals

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Proceedings Article | 16 February 2018 Paper

Improved photovoltaic properties of ZnTeO-based intermediate band solar cells

Tooru Tanaka, Katsuhiko Saito, Qixin Guo, Kin Man Yu, Wladek Walukiewicz

Proceedings Volume 10527, 105270P (2018) https://doi.org/10.1117/12.2292911

KEYWORDS: Zinc, Solar cells, Aluminum, External quantum efficiency, Photovoltaics, Crystals, Thin films, Sun, Diffraction, Temperature metrology

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Proceedings Article | 29 March 2017 Presentation + Paper

Multiband modification of III-V dilute nitrides for IBSC application

Nazmul Ahsan, Naoya Miyashita, Kin Man Yu, Wladek Walukiewicz, Yoshitaka Okada

Proceedings Volume 10099, 100990I (2017) https://doi.org/10.1117/12.2250700

KEYWORDS: Solar cells, Molecular beam epitaxy, Absorption, Photovoltaics, Group III-V semiconductors, Semiconductors, Infrared radiation, Gallium arsenide, Antimony, Thin films, Indium, Gallium, Solids, Reflectance spectroscopy, Chemical species

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Proceedings Article | 25 August 2010 Paper

Band structure engineering of ZnO[sub]1-x[/sub]Se[sub]x[/sub] alloys

Marie Mayer, Derrick Speaks, Kin Man Yu, Samuel Mao, Eugene Haller, Wladek Walukiewicz

Proceedings Volume 7770, 77700C (2010) https://doi.org/10.1117/12.859482

KEYWORDS: Selenium, Silicon, Zinc oxide, Absorption, Solar cells, Solar energy, Oxides, Water splitting, Optical alignment, Oxygen

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Proceedings Article | 20 October 2004 Paper

Group III-nitride alloys as photovoltaic materials

Joel Ager, Junqiao Wu, Kin Yu, R. Jones, S. Li, Wladek Walukiewicz, Eugene Haller, Hai Lu, William Schaff

Proceedings Volume 5530, (2004) https://doi.org/10.1117/12.561935

KEYWORDS: Gallium, Indium nitride, Indium gallium nitride, Absorption, Gallium arsenide, Solar cells, Indium gallium phosphide, Gallium nitride, Doping, Particles

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Proceedings Article | 18 June 2004 Paper

Effect of oxygen on the electronic band structure of II-O-VI alloys

W. Shan, W. Walukiewicz, Kin Yu, Joel Ager, Junqiao Wu, Jeffrey Beeman, M. Scapulla, O. Dubon, Eugene Haller, Y. Nabetani, Piotr Becla

Proceedings Volume 5349, (2004) https://doi.org/10.1117/12.529297

KEYWORDS: Oxygen, Solar energy, Solids, Semiconductors, Optoelectronics, Photovoltaics, Chemical elements, Chemical species, Signal detection, Data modeling

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