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- Title
Structural, optical and electrical properties of ion beam irradiated cadmium selenate nanowires.
- Authors
Rana, Pallavi; Chauhan, R.
- Abstract
Present study is related to the synthesis of cadmium selenate nanowires via template-assisted electrodeposition approach and their characterization before and after lithium (Li) ion beam irradiation. Energy-dispersive X-ray analysis and X-ray diffraction study confirmed the synthesis of cadmium selenate nanowires with monoclinic structure. Electrical properties were examined with current-voltage (I-V) source meter using two-probe method. The electrical conductivity augmentation was perceptible for semiconducting nanowires with the increase in the ion beam fluence. The band gap of pristine nanowires was found to be 1.96 eV, while the red shift was observed in the optical band gap of ion irradiated nanowires and it approaches to the value of 1.31 eV at last fluence. In XRD spectra, no evidence was found of phase change or shifting in '2θ' position or evolution of any new peak. However, variation in the peak intensities was noticed that could be the result of movement of plane orientation. This study revealed that the defects induced by the ion irradiation and variation in potential gradient with fluence plays a major role in the alteration of the optical and electrical properties of the semiconducting nanowires.
- Subjects
ELECTRIC properties of cadmium selenide; OPTICAL properties of cadmium selenide; ELECTRIC properties of nanowires; ION beams; IRRADIATION; CURRENT-voltage characteristics
- Publication
Journal of Materials Science: Materials in Electronics, 2014, Vol 25, Issue 12, p5630
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-014-2352-x