Title :
Ultrasonic spray pyrolytic synthesis and characterisation of ZnO-TiO2 nanocomposite thin films
Author :
Sahoo, Madhusmita ; Dhara, Tom Mathews S ; Dash, S. ; Tyagi, A.K.
Author_Institution :
Surface & Nanosci. Div., Indira Gandhi Centre for Atomic Res. Kalpakkam, Kalpakkam, India
Abstract :
ZnO-TiO2 nanocomposite thin films were synthesized on Si (100) and glass substrates by spray pyrolysis using Zinc acetate and Titanium(IV) oxyacetylacetonate as the precursors for ZnO and TiO2 respectively. The surface morphology of the films was characterized by field emission scanning electron microscopy. The phases present in the films were determined by glancing incidence X-ray diffraction and further confirmed by micro Raman spectroscopy. Distribution of different phases present and their molecular structures were identified by using micro-Raman mapping technique and Raman scattering studies. The defect states present were studied using photo luminescence spectra.
Keywords :
II-VI semiconductors; Raman spectra; X-ray diffraction; defect states; field emission electron microscopy; nanocomposites; nanofabrication; photoluminescence; pyrolysis; scanning electron microscopy; semiconductor growth; semiconductor thin films; spray coating techniques; surface morphology; titanium compounds; wide band gap semiconductors; zinc compounds; Raman scattering; Si; Si (100) substrates; SiO2; ZnO-TiO2; defect states; field emission scanning electron microscopy; glancing incidence X-ray diffraction; glass substrates; microRaman mapping; microRaman spectroscopy; molecular structures; nanocomposite thin films; photoluminescence; surface morphology; titanium (IV) oxyacetylacetonate; ultrasonic spray pyrolytic synthesis; zinc acetate; Films; Instruments; Photonics; Shape; Zinc oxide; nanocomposite; thin films; titanium oxide; zinc oxide;
Conference_Titel :
Nanoscience, Engineering and Technology (ICONSET), 2011 International Conference on
Conference_Location :
Chennai
Print_ISBN :
978-1-4673-0071-1
DOI :
10.1109/ICONSET.2011.6167962
