Ladas & Parry LLP
CIGS- or CZTS-based film solar cells and method for preparing the same
Provided is a copper indium gallium selenium (CIGS)- or copper zinc tin sulfur (CZTS)-based solar cell including a back electrode layer and a light-absorbing layer, wherein the light-absorbing layer has a composition of CuxInyGa1-y(SzSe1-z)2 (wherein 0.85≦x<1, 0<y<1, 0<z<1, and each of x, y and z represents a real number) or Cu(2-p)Zn(2-q)Snq(SrSe(1-r))4 (wherein 1.4≦p<2, 0<q<2, 0<r<2, and each of p, q and r represents a real number). The CIGS- or CZTS-based thin-film solar cell causes no interlayer delamination and has improved durability and photoelectric conversion efficiency. Also provided is a method for fabricating a CIGS- or CZTS-based thin-film solar cell by which conversion of molybdenum back electrode layer to molybdenum diselenide is controlled.
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
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inventional inventional additional additional inventional inventional inventional
Jong Ku Seung Yong So Hye Bo In Hyung Ho Bong Geun
Park Lee Cho Park Park Song