Carrier collection in Cu(In,Ga)Se2 solar cells with graded band gaps and transparent ZnO:Al back contacts

The Long-Wavelength Edge of Photographic Sensitivity and of the Electronic Absorption of Solids

F. Urbach · Physical Review · 1953 · 5.9K citations

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Optical Processes in Semiconductors

J. I. Pánkové, D. A. Kiewit · Journal of The Electrochemical Society · 1972 · 4.6K citations

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High-efficiency CuIn<i>x</i>Ga1−<i>x</i>Se2 solar cells made from (In<i>x</i>,Ga1−<i>x</i>)2Se3 precursor films

Andrew M. Gabor, John R. Tuttle, David S. Albin et al. · Applied Physics Letters · 1994 · 621 citations

Natural Sciences, Materials Engineering, Materials Science +17

Effects of Ga addition to CuInSe2 on its electronic, structural, and defect properties

Su‐Huai Wei, Shengbai Zhang, Alex Zunger · Applied Physics Letters · 1998 · 535 citations

Natural Sciences, Materials Science, Physics +17

Band-gap grading in Cu(In,Ga)Se2 solar cells

Markus Gloeckler, James R. Sites · Journal of Physics and Chemistry of Solids · 2005 · 279 citations

Engineering, Materials Engineering, Materials Science +14