New routes to sustainable photovoltaics:: evaluation of Cu2ZnSnS4 as an alternative absorber material

被引：309

作者：

Scragg, Jonathan J. ^{[1
]}

Dale, Philip J. ^{[1
]}

Peter, Laurence M. ^{[1
]}

Zoppi, Guillaume ^{[2
]}

Forbes, Ian ^{[2
]}

机构：

[1] Univ Bath, Dept Chem, Bath BA2 7AY, Avon, England

[2] Northumbria Univ, Northumbria Photovolta Applicat Ctr, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England

来源：

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2008年 / 245卷 / 09期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1002/pssb.200879539

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Thin film heterojunction solar cells based on chalcopyrites such as Cu(In, Ga)Se-2 have acheived impressive efficiencies. However concern about the long term sustainability of photo-voltaics based on scarce or expensive raw materials has prompted the search for alternative absorber materials. In this work, films of the p-type absorber Cu2ZnSnS4 (CZTS) were prepared by electroplating metallic precursors sequentially onto a molybdenym coated glass substrate followed by an nealing in a sulfur atmosphere. The polycrystalline CZTS films were characterized by photoelectrochemical methods, which showed films were p-type with doping densities of the order of 10(16) cm(-3) and a band gap of 1.49 eV, close to the optimum value for terrestrial solar energy conversion. Preliminary results obtained for solar cells fabricated with this material are promising. (c) 2008 WILEY-VCH Verlag GmbH & Co. KgaA, Weinheim.

引用

页码：1772 / 1778

页数：7

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