Structural and Optical Properties of Hydrogen-ion-implanted ZnO Nanorods
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- Title
- Structural and Optical Properties of Hydrogen-ion-implanted ZnO Nanorods
- Authors
- Lee, YB; Kwak, CH; Se, SY; Kim, SH; Park, CI; Kim, BH; Park, SH; Choi, YD; Han, SW
- Date Issued
- 2010-06
- Publisher
- KOREAN PHYSICAL SOC
- Abstract
- We investigated the micro-structural and the optical properties of H+-ion-implanted ZnO nanorods by using X-ray absorption fine structure (XAFS) measurements at the Zn K edge and photoluminescence (PL) measurements. Vertically-aligned ZnO nanorods were synthesized using metal-organic chemical-vapor deposition and were vertically implanted with hydrogen ions (H+) at an energy of 90 keV and a total flux of 10(16) particles/cm(2). Scanning electron microscopy measurements showed no detectable defects existing in the WE-ion-implanted ZnO nanorods. However, transmission electron microscopy measurements revealed that an amorphous phase existed, particularly near the top parts of the nanorods. X-ray diffraction and XAFS measurements provided further evidence that the nanorods had structural defects due to the H+-ion implantation. PL measurements showed that the transition peak intensity of the H+-ion-implanted ZnO nanorods was decreased dramatically due to the ion implantation.
- Keywords
- ZnO; Nanorod; XAFS; Hydrogen implantation; Photoluminescence; Structure; ABSORPTION FINE-STRUCTURE
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/25614
- DOI
- 10.3938/JKPS.56.2050
- ISSN
- 0374-4884
- Article Type
- Article
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 56, no. 6, page. 2050 - 2054, 2010-06
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