Pawel Zawadzki
National Renewable Energy Laboratory
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Publication
Featured researches published by Pawel Zawadzki.
Applied Physics Letters | 2013
Pawel Zawadzki; Lauryn L. Baranowski; Haowei Peng; Eric S. Toberer; David S. Ginley; William Tumas; Andriy Zakutayev; Stephan Lany
Next-generation thin film solar cell technologies require earth abundant photovoltaic absorber materials. Here we demonstrate an alternative approach to design of such materials, evaluating candidates grouped by constituent elements rather than underlying crystal structures. As an example, we evaluate thermodynamic stability, electrical transport, electronic structure, optical and defect properties of Cu-Sn-S candidates using complementary theory and experiment. We conclude that Cu2SnS3 avoids many issues associated with the properties of Cu4SnS4, Cu4Sn7S16, and other Cu-Sn-S materials. This example demonstrates how this element-specific approach quickly identifies potential problems with less promising candidates and helps focusing on the more promising solar cell absorbers.
Applied Physics Express | 2015
Adam W. Welch; Lauryn L. Baranowski; Pawel Zawadzki; Stephan Lany; Colin A. Wolden; Andriy Zakutayev
Recent technical and commercial successes of existing thin film solar cell technologies motivates exploration of next-generation photovoltaic (PV) absorber materials. Of particular scientific interest are compounds like CuSbSe
photovoltaic specialists conference | 2016
Ingrid Repins; Lorelle M. Mansfield; Ana Kanevce; Soren A. Jensen; Darius Kuciauskas; Stephen Glynn; Teresa M. Barnes; Wyatt K. Metzger; James M. Burst; Chun-Sheng Jiang; P. Dippo; Steve Harvey; Glenn Teeter; Craig L. Perkins; Brian Egaas; Andriy Zakutayev; Jan-Hendrik Alsmeier; Thomas Lusky; Lars Korte; Regan G. Wilks; M. Bär; Yanfa Yan; Stephan Lany; Pawel Zawadzki; Ji-Sang Park; Su-Huai Wei
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Chemistry of Materials | 2014
Lauryn L. Baranowski; Pawel Zawadzki; Steven T. Christensen; Dennis Nordlund; Stephan Lany; Adele C. Tamboli; Lynn Gedvilas; David S. Ginley; William Tumas; Eric S. Toberer; Andriy Zakutayev
, which do not have the conventional tetrahedral semiconductor bonding. Here, we demonstrate 1.5 {\mu}m thick CuSbSe
Solar Energy Materials and Solar Cells | 2015
Adam W. Welch; Pawel Zawadzki; Stephan Lany; Colin A. Wolden; Andriy Zakutayev
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Progress in Photovoltaics | 2016
Adam W. Welch; Lauryn L. Baranowski; Pawel Zawadzki; Clay DeHart; Steve Johnston; Stephan Lany; Colin A. Wolden; Andriy Zakutayev
PV prototypes prepared at 380-410°C by a self-regulated sputtering process using the conventional substrate device architecture. The p-type CuSbSe
Physical review applied | 2015
Pawel Zawadzki; Andriy Zakutayev; Stephan Lany
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Physical review applied | 2015
Lauryn L. Baranowski; Kevin McLaughlin; Pawel Zawadzki; Stephan Lany; Andrew G. Norman; Hannes Hempel; Rainer Eichberger; Thomas Unold; Eric S. Toberer; Andriy Zakutayev
absorber has a 1.1 eV optical absorption onset, ~
Semiconductor Science and Technology | 2016
Lauryn L. Baranowski; Pawel Zawadzki; Stephan Lany; Eric S. Toberer; Andriy Zakutayev
10^{5}
Physical Review B | 2015
Pawel Zawadzki; Andriy Zakutayev; Stephan Lany
cm