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Chemcial Industry and Engineering 2017, Vol. 34 Issue (1) :41-46    DOI: 10.13353/j.issn.1004.9533.20151060
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Preparation and Photoelectric Performance of CdTeS3 Quantum Dots Sensitized Photoanode
Bai Shuming, Tian Jianhua, Ma Huanmei, Shan Zhongqiang
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

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Abstract 

The sodium sulfide-telluride was used as the anionic precursor synthesized by using S, Te and sodium sulfide, and cadmium nitrate was used as the cationic precursor. The successive ionic layer adsorption and reaction (SILAR) was utilized to assemble cadmium sulfide-telluride onto the mesoporous TiO2 films for quantum dots-sensitized solar cell (QDSC) applications. The Raman spectra and energy dispersive spectroscopy (EDX) were applied to investigate the bond structure and elements of sodium sulfide-telluride. The absorption capacity of the as-prepared CdTeS3 quantum dots was assessed by UV-Vis spectrum. The photovoltic property of CdTeS3 was characterized by J-V and IPCE curve. These results show that the long lifetime of electron and high availability ratio of light of CdTeS3 QDSC are found to be the major advantages over the CdS QDSC. Those factors are leading to that the maximum conversion efficiency of CdTeS3 QDSC is about 25% more than that of CdS QDSC.

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Bai Shuming
Tian Jianhua
Ma Huanmei
Shan Zhongqiang
Keywordsquantum dots sensitized solar cell;   CdTeS3   successive ionic layer adsorption and reaction method     
Received 2015-04-15;
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Bai Shuming, Tian Jianhua, Ma Huanmei, Shan Zhongqiang.Preparation and Photoelectric Performance of CdTeS3 Quantum Dots Sensitized Photoanode[J]  Chemcial Industry and Engineering, 2017,V34(1): 41-46
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