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- Title
Morphology-controlled synthesis and characterization of CdTe micro-/nanoscale structures by electrodeposition method.
- Authors
Chi, Kailin; Li, Qian; Meng, Xianwei; Liu, Li; Yang, Haibin
- Abstract
Cadmium telluride (CdTe) micro-/nanoscale structures, including micropillars, micro-/nanorods and microflowers arrays, were successfully and controllably synthesized by electrodeposition on nickel substrates. Various characterization techniques, such as X-ray diffraction, scanning electron microscopy (SEM), energy-dispersive spectroscopy, selected area electron diffraction and Raman spectroscopy, were used to characterize the structures and properties of the as-prepared films. The structural analysis revealed that the as-synthesized CdTe films deposited in different concentrations of sulfuric acid system had cubic phases and possessed a polycrystalline structure with preferred orientations along the [111] direction. The results of SEM showed that the sulfuric acid concentrations had a significant effect on the morphology evolution from micropillar arrays to microflower arrays, and a possible formation mechanism was proposed. In addition, according to the results of the optical and photoelectrochemical performances in the visible-light region, the as-synthesized films have considerable potential to be applied as absorber materials in substrate configuration solar cells.
- Subjects
CADMIUM telluride; METAL microstructure; ALLOY plating; NANOSTRUCTURED materials synthesis; X-ray diffraction
- Publication
Journal of Materials Science, 2017, Vol 52, Issue 17, p10431
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-017-1213-4