Semitransparent Cu(In,Ga)S2 solar cells achieve 12.7% efficiency with 1.6 eV band gap using thin ITO back contacts and sodium from glass diffusion, with high-temperature growth improving material quality.
-K., et al., Na-Diffusion Enhanced p -type Conductivity in Cu(In,Ga)Se2: A New Mechanism for Efficient Doping in Semiconductors
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Near 13% efficient semitransparent Cu(In,Ga)S2 solar cells with band gap of 1.6 eV on transparent back contact
Semitransparent Cu(In,Ga)S2 solar cells achieve 12.7% efficiency with 1.6 eV band gap using thin ITO back contacts and sodium from glass diffusion, with high-temperature growth improving material quality.