Novel synthesis of kesterite Cu2ZnSnS4 nanoflakes by successive ionic layer adsorption and reaction technique: Characterization and application

被引:101
|
作者
Mali, Sawanta S. [1 ]
Patil, Bharmana M. [1 ]
Betty, Chirayath A. [2 ]
Bhosale, Popatrao N. [3 ]
Oh, Young Woo [4 ]
Jadkar, Sandesh R. [5 ]
Devan, Rupesh S. [6 ]
Ma, Yuan-Ron [6 ]
Patil, Pramod S. [1 ]
机构
[1] Shivaji Univ, Dept Phys, Thin Film Mat Lab, Kolhapur 416004, Maharashtra, India
[2] Bhabha Atom Res Ctr, Div Chem, Bombay 400085, Maharashtra, India
[3] Shivaji Univ, Dept Chem, Kolhapur 416004, Maharashtra, India
[4] Kyungnam Univ, Dept Nano Engn, Masan 631701, South Korea
[5] Pune Univ, Dept Phys, Pune 411007, Maharashtra, India
[6] Natl Dong Hwa Univ, Dept Phys, Hualien 97401, Taiwan
关键词
Kesterite Cu2ZnSnS4 thin films; XPS; 1.85% conversion efficiency; THIN-FILMS; SOLAR-CELL; OPTICAL-PROPERTIES;
D O I
10.1016/j.electacta.2012.01.079
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Novel nanoflakes of Cu2ZnSnS4 (CZTS) thin film were directly deposited on fluorine doped tin oxide (FTO)-coated glass substrates by the successive ionic layer adsorption and reaction (SILAR) method. The results of energy dispersive X-ray spectroscopy (EDX) indicate that these CZTS thin films are Cu rich and S poor. The combination of X-ray diffraction (XRD) results and Fourier Transform-Raman (FT-Raman) spectroscopy reveal that these thin films exhibit a strong preferential orientation of flakes along the [112] direction and that a small Cu2-xS phase exists in CZTS thin films. Photoelectrochemical characterization revealed a p-type photo-response when the films were illuminated in an aqueous Eu3+ redox electrolyte. The total conversion power of the CZTS cell is 1.85% under 30 mW/cm(2) illumination. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:216 / 221
页数:6
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