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Iron-incorporated chalcopyrite of an intermediate band for improving solar wide-spectrum absorption
Hu, Keyan; Zhao, Yu; Wang, Dong; Zhang, Shaoning; Zheng, Chong; Che, Xiangli; Huang, Fuqiang
2019-09-01
Source PublicationJOURNAL OF SOLID STATE CHEMISTRY
ISSN0022-4596
Volume277Pages:388
SubtypeArticle
AbstractThe high efficiency chalcopyrite tandem cell with two solar absorbers of CuGaS2 and CuInSe2 remains difficult to be fabricated, but intermediate band chalcopyrite is practical to be developed. Herein, the Fe incorporation into the Ga site of chalcopyrite is successful to induce obvious solar multiband absorption. Three intermediate bands are evidenced by the UV-Vis-NIR absorption spectra, which is confirmed by first principle density functional theory (DFT) calculations. These intermediates bands improve solar energy conversion by absorbing more photons in several solar energy ranges including 2.21-1.48 eV, 1.48-0.73 eV, and around 0.57 eV to enhance solar thermal collection and photocatalytic degradation. The consistent nature of the intermediate bands suggested by theoretical analyses mainly are composed of the nondegenerate the e(g) and t(2g) states of Fe-3d orbitals.
KeywordIntermediate bands Fe-doped chalcopyrite First principle calculations Solar thermal collection Photocatalytic degradation
DOI10.1016/j.jssc.2019.06.025
Language英语
WOS Research AreaChemistry
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26872
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Hu, Keyan,Zhao, Yu,Wang, Dong,et al. Iron-incorporated chalcopyrite of an intermediate band for improving solar wide-spectrum absorption[J]. JOURNAL OF SOLID STATE CHEMISTRY,2019,277:388.
APA Hu, Keyan.,Zhao, Yu.,Wang, Dong.,Zhang, Shaoning.,Zheng, Chong.,...&Huang, Fuqiang.(2019).Iron-incorporated chalcopyrite of an intermediate band for improving solar wide-spectrum absorption.JOURNAL OF SOLID STATE CHEMISTRY,277,388.
MLA Hu, Keyan,et al."Iron-incorporated chalcopyrite of an intermediate band for improving solar wide-spectrum absorption".JOURNAL OF SOLID STATE CHEMISTRY 277(2019):388.
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