Preparation of Cu2ZnSnSe4 solar cells by low-temperature co-evaporation and following selenization

被引：11

作者：

Gao, Chao ^{[1
]}

Schnabel, Thomas ^{[2
]}

Abzieher, Tobias ^{[2
]}

Ahlswede, Erik ^{[2
]}

Powalla, Michael ^{[2
,3
]}

Hetterich, Michael ^{[1
]}

机构：

[1] Karlsruhe Inst Technol, Inst Appl Phys, D-76131 Karlsruhe, Germany

[2] Zentrum Sonnenenergie & Wasserstoff Forsch Baden, D-70565 Stuttgart, Germany

[3] Karlsruhe Inst Technol, LTI, D-76131 Karlsruhe, Germany

来源：

APPLIED PHYSICS LETTERS | 2016年 / 108卷 / 01期

关键词：

FILMS; MODEL;

D O I：

10.1063/1.4939445

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Cu2ZnSnSe4 (CZTSe) thin films are prepared by a two-step method which involves co-evaporation of Cu, Zn, Sn, and Se on molybdenum-coated soda-lime glass at low substrate temperature and a following selenization. Solar cells with efficiencies of up to 6.5% can be achieved. The influence of the selenium deposition rates during co-evaporation and the nitrogen pressure during selenization on the properties of the CZTSe films are investigated. It is found that these two parameters can significantly affect the morphology and crystallinity of the CZTSe films. The possible reasons for the experimental results are discussed. (C) 2016 AIP Publishing LLC.

引用

页数：4

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