Sugavaneshwar, Ramu Pasupathi and Dao, Thang Duy and Nanda, Karuna Kar and Nagao, Tadaaki and Hishita, Shunichi and Sakaguchi, Isao (2016) Enhanced photocatalytic activity of ultra-high aspect ratio ZnO nanowires due to Cu induced defects. In: RADIATION EFFECTS AND DEFECTS IN SOLIDS, 170 (12). pp. 939-944.
Full text not available from this repository. (Request a copy)Abstract
We report the synthesis of ZnO nanowires in ambient air at 650 degrees C by a single-step vapor transport method using two different sources Zn (ZnO nanowires-I) and Zn:Cu (ZnO nanowires-II). The Zn:Cu mixed source co-vaporize Zn with a small amount of Cu at temperatures where elemental Cu source does not vaporize. This method provides us a facile route for Cu doping into ZnO. The aspect ratio of the grown ZnO nanowires-II was found to be higher by more than five times compared ZnO nanowires-I. Photocatalytic activity was measured by using a solar simulator and its ultraviolet-filtered light. The ZnO nanowires-II shows higher catalytic activity due to increased aspect ratio and higher content of surface defects because of incorporation of Cu impurities.
| Item Type: | Journal Article |
|---|---|
| Publication: | RADIATION EFFECTS AND DEFECTS IN SOLIDS |
| Publisher: | TAYLOR & FRANCIS LTD |
| Additional Information: | Copy right for this article belongs to the TAYLOR & FRANCIS LTD, 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND |
| Keywords: | nanostructures; doping; metal oxides |
| Department/Centre: | Division of Chemical Sciences > Materials Research Centre |
| Date Deposited: | 12 May 2016 05:19 |
| Last Modified: | 12 May 2016 05:19 |
| URI: | http://eprints.iisc.ac.in/id/eprint/53824 |
Actions (login required)
 |
View Item |
