Title :
The optical band-gap changing of Cu doped Zno nanostructured film
Author :
Zhao, Shifeng ; Lu, Qi ; Xu, Changhui ; Mu, Yuewen ; Wan, Jian-guo ; Song, Fengqi ; Wang, Guanghou
Author_Institution :
Dept. of Phys., Nanjing Univ., Nanjing, China
Abstract :
Cu-doped ZnO nanostructured films have been prepared by wet chemical method. The optical band-gap changes with the increase of Cu doped concentration, which is attributed to the increase of oxygen vacancy concentration by laser-Raman spectroscopy.
Keywords :
II-VI semiconductors; Raman spectra; copper; doping profiles; nanostructured materials; nanotechnology; optical constants; semiconductor doping; semiconductor thin films; sol-gel processing; vacancies (crystal); wide band gap semiconductors; zinc compounds; ZnO:Cu; copper doping concentration; laser-Raman spectroscopy; nanostructured film preparation; optical bandgap; oxygen vacancy concentration; solution-gelation process; wet chemical method; Doping; Ethanol; Nanoparticles; Optical films; Photonic band gap; Physics; Spectroscopy; Substrates; X-ray scattering; Zinc oxide; Laser-raman spectroscopy; Optical band-gap; Oxygen vacancy;
Conference_Titel :
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3829-7
Electronic_ISBN :
978-1-4244-3830-3
DOI :
10.1109/CLEOPR.2009.5292466