| LI Shi-na,MA Rui-xin,LI Dong-ran,YANG Fan,ZHANG Xiao-yong,LI Xiang,ZHU Hong-min.Synthesis and characterization of Cu2ZnSnS4 from Cu2SnS3 and ZnS compounds[J].Optoelectronics Letters,2015,11(4):277-280 |
| Synthesis and characterization of Cu2ZnSnS4 from Cu2SnS3 and ZnS compounds |
| Author Name | Affiliation | | LI Shi-na | School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China2 Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials, Beijing 100083, China | | MA Rui-xin | School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China2 Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials, Beijing 100083, China | | LI Dong-ran | School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China2 Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials, Beijing 100083, China | | YANG Fan | School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China2 Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials, Beijing 100083, China | | ZHANG Xiao-yong | School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China2 Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials, Beijing 100083, China | | LI Xiang | School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China2 Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials, Beijing 100083, China | | ZHU Hong-min | School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China2 Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials, Beijing 100083, China |
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| Abstract: |
| The Cu2ZnSnS4 (CZTS) powders are successfully synthesized by using ZnS and Cu2SnS3 as raw materials directly without any intermediate phase at 450 °C for 3 h in Ar atmosphere. The crystalline structure, morphology and optical properties of the CZTS powders are characterized by X-ray diffraction (XRD), Raman spectrum, field emission scanning electron microscopy (FESEM) and ultraviolet-visible (UV-vis) spectrophotometer, respectively. The results show that the band gap of the obtained CZTS is 1.53 eV. The CZTS film is fabricated by spin coating a mixture of CZTS powders and novolac resin with a weight percentage of 30%. The photoelectrical properties of such CZTS films are measured, and the results show an incident light density of 100 mW.cm-2 with the bias voltage of 0.40 V, and the photocurrent density can approach 9.80×10-5 A.cm2within 50 s, giving an on/off switching ratio of 1.64. |
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