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Large-scale fabrication of CdS nanorod arrays on transparent conductive substrates from aqueous solutions |
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| Authors: | Fei Chen Weiming Qiu Xiaoqiang Chen Ligong Yang Xiaoxia Jiang Mang Wang Hongzheng Chen |
| Affiliation: | a Laboratory of Polymer Materials and Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, PR China b State Key Laboratory of Silicon Materials, Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Hangzhou 310027, PR China c Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, PR China |
| Abstract: | This paper reported the fabrication of CdS nanorod arrays on transparent conductive tin-doped In2O3 (ITO) glass substrate by combining electrodeposition and hydrothermal processes. One thin layer of CdS particles on substrates was prepared by electrodeposition as seeds, upon which well-aligned nanorod arrays were hydrothermally grown in large scale. The morphology, structure and phase composition of CdS nanorod arrays were examined by X-ray diffraction, field-emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, transmission electron microscopy (TEM), and high-resolution TEM. The optical absorption spectra and the temperature-dependent photoluminescence of CdS nanorod arrays were also studied. An organic/inorganic hybrid solar cell prototype device was fabricated based on the as-prepared CdS nanoarrays grown on the transparent ITO electrode (ITO/CdS arrays/poly2-methoxy-5-(20-ethylhexyloxy)-1,4-phenylene-vinylene]/Au). The power conversion efficiency was 0.06%, showing an obvious photovoltaic effect. |
| Keywords: | CdS nanorod arrays Hydrothermal method Hybrid solar cells |
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