期刊
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
卷 52, 期 1, 页码 65-68出版社
SPRINGER
DOI: 10.1007/s10971-009-1997-z
关键词
Cu2ZnSnS4; Absorption layer; Solar cells; Sol-gel spin-coated deposition
资金
- National Science Council of the Republic of China [NSC 97-2221-E-022-002]
In this work Cu2ZnSnS4 (CZTS) suitable for the absorption layer in solar cells was successfully prepared by sol-gel spin-coated deposition. CZTS precursors were prepared by using solutions of copper (II) chloride, zinc (II) chloride, tin (IV) chloride, and thiourea. Texture structures with kesterite crystallinity reflected from the X-ray diffraction of (112), (200), and (312) planes of the CZTS were obtained as synthesized at a temperature of over 240 A degrees C. The absorption coefficients of the CZTS films are higher than 10(4) cm(-1), and the optical-energy gap is about 1.5 eV. Without sulfurization treatment, a near stoichiometry composition of the CZTS is obtained at a synthesizing temperature of 280 A degrees C.
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