Polyvinylpyrrolidone (PVP) assisted single-step synthesis of kesterite Cu2ZnSnS4 nanoparticles by solvothermal process

被引：19

作者：

Mali, Sawanta S. ^{[1
]}

Kim, Hyungjin ^{[1
]}

Shim, Chang Su ^{[1
]}

Patil, Pramod S. ^{[2
]}

Hong, Chang Kook ^{[1
]}

机构：

[1] Chonnam Natl Univ, Sch Adv Chem Engn, Kwangju 500757, South Korea

[2] Shivaji Univ, Dept Phys, Thin Film Mat Lab, Kolhapur 416004, Maharashtra, India

来源：

PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS | 2013年 / 7卷 / 12期

基金：

新加坡国家研究基金会;

关键词：

Cu2ZnSnS4; kesterites; nanoparticles; polyvinylpyrrolidone; solvothermal synthesis; SOLAR-CELLS; THIN-FILMS; NANOCRYSTALS; LAYER; INK;

D O I：

10.1002/pssr.201308132

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Quaternary kesterite-type Cu2ZnSnS4 (CZTS) nanoparticles (NPs) were successfully synthesized by a single-step solvothermal process. Semiconductor CZTS nanoparticles were obtained from ethylene glycol (EG) and CZTS precursor after solvothermal process at 180 degrees C for 30 h in polyvinylpyrrolidone (PVP) medium. The synthesized CZTS NPs were further annealed at 450 degrees C in nitrogen atmosphere and used for further characterizations. The CZTS NPs were characterized using X-ray powder diffraction (XRD), field emission scanning electron microscopy (FESEM), micro Raman spectroscopy, high resolution transmission electron microscopy (HRTEM) and X-ray photoelectron spectroscopy (XPS). The optical properties of the CZTS NPs were recorded by UV-vis absorption spectroscopy. The results showed that the synthesized CZTS nanoparticles are kesterite-type CZTS, with good crystallinity and a stoichiometric composition. Moreover, the prepared nanoparticles have a size ranging from 5-7 nm and a band gap of approximate to 1.5 eV. [GRAPHICS] . ((c) 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

引用

页码：1050 / 1054

页数：5

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