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.
Control of Na diffusion from soda-lime glass and NaF film into Cu(In,Ga)Se2 for thin-film solar cells
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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.