摘要
A simple and hydrazine-free solution-based approach for depositing Cu 2ZnSnS 4 (CZTS) and Cu 2ZnSn(S,Se) 4 (CZTSSe) absorber layers is reported. The process involves incorporating metal salts (Cu(CH 3COO) 2, Zn(CH 3COO) 2, SnCl 2) and thiourea into a single pyridine-based solution, spin-coating a precursor film, and sulfurizing with sulfur powders or selenizing using Se pellets in an inert atmosphere, to form the desired CZTS or CZTSSe films. X-ray diffraction and Raman spectra studies show that kesterite CZTS and CZTSSe are formed after sulfurization and selenization, respectively. The selenized CZTSSe displays higher crystallinity than the sulfurized CZTS. Photovoltaic devices (glass/Mo/CZTSSe/CdS/i-ZnO/n-ZnO/A) employing the solution precursor selenized at 500°C have yielded power conversion efficiency of 1.44% under AM 1.5 illumination.
| 源语言 | 英语 |
|---|---|
| 文章编号 | 1250034 |
| 期刊 | Surface Review and Letters |
| 卷 | 19 |
| 期 | 4 |
| DOI | |
| 出版状态 | 已出版 - 8月 2012 |
联合国可持续发展目标
此成果有助于实现下列可持续发展目标:
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可持续发展目标 7 经济适用的清洁能源
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可持续发展目标 13 气候行动
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