Investigation of Cu2ZnSnS4-based thin film solar cells using abundant materials

被引:113
作者
Kobayashi, T [1 ]
Jimbo, K [1 ]
Tsuchida, K [1 ]
Shinoda, S [1 ]
Oyanagi, T [1 ]
Katagiri, H [1 ]
机构
[1] Nagaoka Natl Coll Technol, Elect & Mech Syst Engn Adv Course, Nagaoka, Niigata 9400853, Japan
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2005年 / 44卷 / 1B期
关键词
Cu2ZnSnS4; vapor phase sulfurization; E-B evaporation; optical property;
D O I
10.1143/JJAP.44.783
中图分类号
O59 [应用物理学];
学科分类号
摘要
Aiming to develop the solar cells free from both environmental contaminants and rare metals, thin film solar cells were produced by using Cu2ZnSnS4 (CZTS) as an absorber. CZTS thin films could be successfully formed by the vapor phase sulfurization of precursors prepared by the electron-beam evaporation on the soda-lime glass substrates. The atomic ratio of Cu/(Zn+Sn) was varied from nearly 0.5 to 1.2 to investigate the influence of the composition on the surface morphology and the optical properties. In order to optimize the sulfurization condition, we varied the sulfurization temperature from 510 degrees C to 550 degrees C. As the results, the value of the conversion efficiency of 4.53% was obtained for the cell of which CZTS absorber sulfurized at 520 degrees C.
引用
收藏
页码:783 / 787
页数:5
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