Study of copper sulfide counter electrode on the performances of CdS/CdSe/ZnS-sensitized hierarchical TiO2 spheres  quantum dots solar cells

Nattha Buatong; I-Ming Tang; Weeraphat Pon-On

doi:10.1117/12.2196078

29 July 2015 Study of copper sulfide counter electrode on the performances of CdS/CdSe/ZnS-sensitized hierarchical TiO₂ spheres quantum dots solar cells

Nattha Buatong, I-Ming Tang, Weeraphat Pon-On

Author Affiliations +

Proceedings Volume 9659, International Conference on Photonics Solutions 2015; 96591F (2015) https://doi.org/10.1117/12.2196078
Event: International Conference on Photonics Solutions 2015, 2015, Hua Hin, Thailand

Abstract

The effects of using copper sulfide (CuS) counter electrodes on the performances of solar cells made with CdS/CdSe/ZnS quantum dots co-sensitized onto hierarchical TiO2 spheres (HTS) used as photoelectrode is reported. The HTS in the QDSSCs is composed of an assembly of numerous TiO₂ spheres made by the solvolthermal method. The photoelectrical performance of HTS/CdS/CdSe/ZnS coupled to CuS counter electrode was compared to those coupled to Pt CE. The HTS/CdS/CdSe/ZnS coupled to the CuS CE showed the highest power conversion efficiency η (of 1.310 %.) which is significantly higher than those using a standard Pt CE (η = 0.374%) (3.50 fold). This higher efficiency is the results of the higher electrocatalytic activities when the copper sulfide CEs is used.

Citation Download Citation

Nattha Buatong, I-Ming Tang, and Weeraphat Pon-On "Study of copper sulfide counter electrode on the performances of CdS/CdSe/ZnS-sensitized hierarchical TiO₂ spheres quantum dots solar cells", Proc. SPIE 9659, International Conference on Photonics Solutions 2015, 96591F (29 July 2015); https://doi.org/10.1117/12.2196078

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KEYWORDS

Electrodes

Copper

Titanium dioxide

Optical spheres

Solar cells

Cadmium sulfide

Quantum dots

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