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Vol. 186, Issue 3, March 2015, pp. 118-124




Synthesis of Cu Doped ZnO Nanostructures for Ultra Violet Sensing

*1 Nazar Abbas SHAH, 2 Muhammad ABID, 3 Muhammad AMIN, 3 Rahat AFRIN and 2 Syed Zafar ILYAS

1 Thin Films Technology Laboratory, Department of Physics, COMSATS Institute of Information Technology, Islamabad 44000, Pakistan
* Tel.: +92-03215105363, 2 Department of physics, Allama Iqbal Open University Islamabad, Pakistan Tel.: 92-306-8883730 3DESTO Lab, Islamabad 44000, Pakistan

E-mail: abid742197@yahoo.com, aminislamabad@yahoo.com, rahin_6@yahoo.com, nabbasqureshi@yahoo.com


Received: 17 December 2014 /Accepted: 27 February 2015 /Published: 31 March 2015

Digital Sensors and Sensor Sysstems


Abstract: This paper mainly focused on the synthesis of zinc oxide nanostructures, their characterization and their ultra violet light sensing response at room temperature. Nanowires, nanobelts and nanosheets were synthesized by varying doping material copper by using vapor transport technique governed by the vapor-liquid-solid or vapor-solid mechanisms. The structural, morphological and optical characterization was carried out using X-ray diffraction, scanning electron microscopy, energy dispersive X-Ray and ultra violet visible spectroscopy techniques. Finally the ultra violet light sensing response of these nanostructures was observed by using Keithley meter. The high ultra violet photosensitivity and fast response time justifies the effective utilization of these ZnO nanostructures as ultra violet sensors in different areas.


Keywords: ZnO nanostructures, Vapor-liquid-solid method, UV sensor, Optical properties.


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