Graded band-gap Cu(In,Ga)Se[sub 2] thin-film solar cell absorber with enhanced open-circuit voltage

Contreras, Miguel; Tuttle, John; Dahong Du; Yi Qi; Swartzlander, Amy; Tennant, Andrew; Noufi, Rommel
September 1993
Applied Physics Letters;9/27/1993, Vol. 63 Issue 13, p1824
Academic Journal
Characterizes a graded band-gap Cu(In,Ga)Se[sub 2] thin-film solar cell absorber with enhanced open-circuit voltage. Result of the Auger depth profile compositional analysis; Extrapolation of the wavelength cutoff to about 1050 nanometer; Use of variable metal fluxes in the physical vapor deposition process.


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