Cu2ZnSnSe4 device obtained by formate chemistry for metallic precursor layer fabrication

被引：2

作者：

Tombolato, Sara ^{[1
,2
]}

Berner, Ulrich ^{[3
,4
]}

Colombara, Diego ^{[3
]}

Chrastina, Daniel ^{[5
]}

Widenmeyer, Markus ^{[4
]}

Binetti, Simona O. ^{[1
,2
]}

Dale, Phillip J. ^{[3
]}

机构：

[1] Univ Milano Bicocca, Dept Mat Sci, Milan, Italy

[2] Univ Milano Bicocca, Solar Energy Res Ctr MIB SOLAR, Milan, Italy

[3] Univ Luxembourg, Lab Energy Mat, Phys & Mat Sci Res Unit, L-4422 Luxembourg, Luxembourg

[4] Robert Bosch GmbH, Corp Sect Res & Adv Engn, Appl Res Chem CR ARC, D-70839 Gerlingen, Germany

[5] Politecn Milan, Dept Phys, L NESS, Polo Como, I-22100 Como, Italy

来源：

SOLAR ENERGY | 2015年 / 116卷

关键词：

Thin film photovoltaics; Cu2ZnSnSe4 solar cells; Kesterite; Wet process; SOLAR-CELLS;

D O I：

10.1016/j.solener.2015.03.050

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：

Cu2ZnSnSe4 films were prepared by selenization of metallic precursors obtained by a new wet process involving metal formates. Cu(HCOO)(2) and Zn(HCOO)(2) were used as copper and zinc sources respectively, while tin was introduced as a methoxide. The elemental analysis of the resulting absorber layers revealed a very low carbon content (less than 0.2 wt%), which is believed to be a feature that chemical methods need to have in order to stand out as valuable alternatives to high-vacuum processes in this field. Solar cells with efficiencies of up to 2.39% with V-oc of 207 mV, a J(sc) of 31.2 mA/cm(2) and a fill factor of 37.1% were achieved for these copper-poor CZTSe absorbers. (c) 2015 Elsevier Ltd. All rights reserved.

引用

页码：287 / 292

页数：6

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