期刊
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
卷 216, 期 15, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssa.201800873
关键词
alkali effects; CuGaSe2; Cu(In; Ga)Se-2; solar cells; thin films
资金
- New Energy and Industrial Technology Development Organization (NEDO) under the Ministry of Economy, Trade and Industry (METI)
CuGaSe2, with a band-gap energy of 1.7 eV, is expected to be a practical material useful for wide-gap top cells in tandem structure solar cells. In contrast to the success of narrow-gap Cu(In,Ga)Se-2 devices which are already in commercial production, there is room for further improvement before considering practical applications for CuGaSe2 devices. In this review, the developments in CuGaSe2 devices reported to date are surveyed from the perspective of wide-gap chalcopyrite photovoltaics with a focus upon ternary CuGaSe2 films and solar cells. Differences observed between CuGaSe2 and CuInSe2 or Cu(In,Ga)Se-2 films and device properties and correlations with the alkali-effects are also discussed.
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