A Comparative Study of the Defect Point Physics and Luminescence of the Kesterites Cu2ZnSnS4 and Cu2ZnSnSe4 and Chalcopyrite Cu(In,Ga)Se2

被引：0

作者：

Romero, Manuel J. ^{[1
]}

Repins, Ingrid ^{[1
]}

Teeter, Glenn ^{[1
]}

Contreras, Miguel A. ^{[1
]}

Al-Jassim, Mowafak ^{[1
]}

Noufi, Rommel ^{[1
]}

机构：

[1] Natl Renewable Energy Lab, Golden, CO 80401 USA

来源：

2012 38TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) | 2012年

关键词：

chalcopyrite; kesterite; thin film; cathodoluminescence; CUINSE2; FILMS;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this contribution, we present a comparative study of the luminescence of the kesterites Cu2ZnSnS4 (CZTS) and Cu2ZnSnSe4 (CZTSe) and their related chalcopyrite Cu(In,Ga)Se-2 (CIGSe). Luminescence spectroscopy suggests that the electronic properties of Zn-rich, Cu-poor kesterites (both CZTS and CZTSe) and Cu-poor CIGSe are dictated by fluctuations of the electrostatic and chemical potentials. The large redshift in the luminescence of grain boundaries in CIGSe, associated with the formation of a neutral barrier is clearly observed in CZTSe, and, to some extent, in CZTS. Kesterites can therefore replicate the fundamental electronic properties of CIGSe.

引用

页码：3349 / 3353

页数：5

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