Review Article
Open Access
Structural and Vibrational Studies on Co2+ Doped SnO2Thin Films
K. Ravindranadh1, S. Shantkriti2, M. Ramakrishna Nanchara Rao3, G. Nagarjuna4, Y. Hanumantha Rao5 and M.C. Rao1*
1Department of Physics, Andhra Loyola College, Vijayawada - 520 008, India
2PG & Research Department of Biotechnology, National College (Autonomous), Dindigul Road, Tiruchirapalli- 620001, India
3Department of Physics, The Hindu College, Machilipatnam-521001, India
4Department of Chemistry, S. R. R. & C. V. R. Govt. College, Vijayawada-520 005, India
5Department of Chemistry, Andhra Loyola College, Vijayawada - 520 008, India
M.C. Rao et al /Int.J. Chemical Concepts. 2016,2(1),pp 24-27.
Abstract
Tin Oxide (SnO2) thin film is one of the important transparent conducting oxides and
applied in various fields such as in solar cells, optoelectronic devices, heat mirror, gas sensors, etc due
to its electrical and optical transparency in visible light spectrum. Co2+ doped tin oxide thin films were
prepared by chemical spray pyrolysis synthesis and characterized by different spectroscopic
techniques. Powder XRD data revealed that the crystal structure belongs to tetragonal rutile phase and
its lattice cell parameters, average crystallite size were evaluated. The morphologies of prepared
sample were analyzed by using SEM and TEM studies. Vibrational bands of the prepared sample were
observed in the FT-IR spectrum.
Keywords
Co-SnO2, Thin films, Spray pyrolysis, Scanning electron microscope, Transmission electron microscope and FT-IR.
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