Vibrational properties of stannite and kesterite type compounds: Raman scattering analysis of Cu2(Fe,Zn)SnS4

被引：206

作者：

Fontane, X. ^{[1
]}

Izquierdo-Roca, V. ^{[1
]}

Saucedo, E. ^{[1
]}

Schorr, S. ^{[2
]}

Yukhymchuk, V. O. ^{[3
]}

Valakh, M. Ya ^{[3
]}

Perez-Rodriguez, A. ^{[1
,4
]}

Morante, J. R. ^{[1
,4
]}

机构：

[1] IREC Catalonia Inst Energy Res, Barcelona 08930, Spain

[2] Free Univ Berlin, Inst Geol Sci, D-74100 Berlin, Germany

[3] Natl Acad Sci Ukraine, VE Lahskaryov Inst Semicond Phys, UA-03028 Kiev, Ukraine

[4] Univ Barcelona, Dept Elect, IN2UB, E-08028 Barcelona, Spain

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2012年 / 539卷

关键词：

Raman scattering; Stannite; Kesterite; Cu2FeSnS4; Cu2ZnSnS4; Solar cell; SOLAR-CELLS;

D O I：

10.1016/j.jallcom.2012.06.042

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This work reports the analysis of the vibrational properties of stannite-kesterite Cu-2(Fe,Zn)SnS4 compounds that has been performed by Raman scattering measurements. The detailed analysis of the experimental spectra has allowed determining the frequency and symmetry assignment of the main and weaker peaks from both stannite Cu2FeSnS4 (CFTS) and kesterite Cu2ZnSnS4 (CZTS) phases. The measurements performed in the kesterite CZTS samples have also revealed the presence of local inhomogeneities that are characterised by an additional peak in the spectra at about 331 cm(-1). This peak has been related to the presence in these local regions of a high degree of disorder in the cation sublattice, in agreement with previous neutron diffraction analysis in similar samples. Finally, the spectra from the solid solution alloys show a one-mode behaviour of the main A/A(1) peak with the chemical composition. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：190 / 194

页数：5

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