Cubic-structured tin selenide thin film

被引：37
作者：
Nair, P. K. [1 ]
Barrios-Salgado, E. [1 ]
Nair, M. T. S. [1 ]
机构：
[1] Univ Nacl Autonoma Mexico Temixco, Inst Energias Renovables, Temixco 62580, Morelos, Mexico
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2016年 / 213卷 / 08期
关键词：
chalcogenides; cubic tin selenide; cubic tin sulfide; SnS; SnSe; solar cells; solar energy; thin films; CRYSTALLINE-STRUCTURE; CHEMICAL-DEPOSITION; ZINC BLENDE; SNS; SULFIDE; PHASE; PHOTOVOLTAICS; PRESSURE;
D O I：
10.1002/pssa.201533040
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Tin selenide thin film with a simple cubic crystalline structure (SnSe-CUB) of unit cell dimension a = 11.9632 angstrom is obtained via chemical deposition on a tin sulfide (SnS-CUB) thin film base layer of simple cubic structure of a = 11.5873 angstrom. The SnSe-CUB films obtained this way are thermally stable while heating to 300 degrees C. Its optical band gap is 1.4 eV. A thin film of 200 nm in thickness of this material in a solar cell may lead to a light generated current density of 23 mA cm(-2) and a maximum of 29 mA cm(-2). Thin film of SnSe-CUB possesses p-type electrical conductivity of 5 x 10(-5) V-1 cm(-1), which is three orders of magnitude lower than that of SnSe films of orthorhombic crystalline structure. Overall, these characteristics make SnSe-CUB thin film a novel solar cell absorber material. (C) 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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收藏
页码：2229 / 2236
页数：8
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