Preparation and Characterization of Thin-Film Solar Cells with Nanocrystalline Copper Zinc Tin and Selenium

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Abstract

Using the metal chlorides (copper chloride, zinc chloride and tin chloride) as metal source, selenium dioxide for the precursor and ethylene glycol for solvent, the CZTSe nanocrystals with hexagonal flake was prepared by solvothermal synthesis under the conditions of various surfactants (PVP, polyethylene glycol monooleyl, ether, Macrogol 1000, and Polysorbate 80) and different processes (preparation time and the temperature). And the phase, performance and morphology of CZTSe nano-particles were characterized by XRD, UV, and SEM methods. The experimental results showed that, by means of adding surface activator PVP at 200 ℃ for 30 h, the hexagonal-flake CZTSe nano-crystalline with forbidden bandwidth of 1.5 eV could be obtained, displaying uniform distribution, of which is close to the optimum forbidden bandwidth of solar cells. It is expected to be applied and promoted in a new generation of solar cell.

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	Articles by authors
	Ma Chunlei
	Li Zhenrong
	Jiang Chengyong
	Deng Shenglong
	Gao Baolu

Keywords： solar cell； CZTSe nano-crystalline； solvothermal method

Received 2015-03-23;

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Cite this article:

Ma Chunlei, Li Zhenrong, Jiang Chengyong, Deng Shenglong, Gao Baolu.Preparation and Characterization of Thin-Film Solar Cells with Nanocrystalline Copper Zinc Tin and Selenium[J] Chemcial Industry and Engineering, 2015,V32(4): 68-72

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