Solvent solution-dependent properties of nonstoichiometric cubic Cu2ZnSnS4 nanoparticles

被引:15
作者
Mkawi, E. M. [1 ]
Ibrahim, K. [1 ]
Ali, M. K. M. [1 ]
Farrukh, M. A. [2 ]
Allam, Nageh K. [3 ]
机构
[1] Univ Sains Malaysia, Sch Phys, Nanooptoelect Res & Technol Lab, George Town 11800, Malaysia
[2] GC Univ Lahore, Dept Chem, Lahore 54000, Pakistan
[3] Amer Univ Cairo, Sch Sci & Engn, Dept Phys, Energy Mat Lab, New Cairo 11835, Egypt
关键词
FILM SOLAR-CELLS; NANOCRYSTALS;
D O I
10.1016/j.cplett.2014.06.011
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
Cu2ZnSnS4 (CZTS) quaternary nanocrystals are synthesized by solvothermal synthesis using the various solvents of polyvinylpyrrolidone (CZTS-PVP), ethylene glycol (CZTS-EGL), oleylamine (CZTS-OLA) and octadecene (CZTS-ODE). The X-ray diffraction patterns of the synthesized compounds show preferred orientations of the (112), (200), (220), (312) and (332) planes, confirming the kesterite structure of CZTS. The ultraviolet-visible absorption spectra confirm the existence of a direct band gap of about 1.47 eV using the CZTS-OLA sample. A solar cell device with CZTS-OLA as an absorber layer exhibits the highest efficiency of 2.5%. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:393 / 397
页数:5
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