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Journal of New Technology and Materials (JNTM), Vol. 01, N°00 (2011)

Special issue of NMCA’2011

Low Copper Doped CdO Nanowires Grown by Sol-Gel Route

M. Benhaliliba^a*, C. E. Benouis^a* and A. Tiburcio Silver^b

^a Physics Department, Sciences Faulty, Oran University of Sciences and Technology USTOMB, BP1505 Oran, Algeria.

^bITT-DIEE, Apdo, Postal 20, Metepec 3, 52176, Estado de Mexico, Mexico.

*Corresponding author bmost_31@yahoo.fr, Tel. +213772211491

Received: 23 May 2011, accepted: 30 September 2011

Abstract

In the current work, pure and copper doped cadmium oxide (Cd_1-x Cu_x O, x=0, 0.02, 0.03) thin films are grown by sol-gel spin coating route. Optical transmittance is measured in UV, VIS and IR spectra; it is revealed that the copper improves the transmittance. The optical band gap increased with the doping. The room temperature electrical resistance was affected by copper doping. The AFM morphology reveals that pure CdO and Cu doped thin films are nanostructured.

Keywords: Sol-gel spin coating, Grain size, CdO, Cu level doping, Nanowires, Optical properties, AFM investigation.