Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 241, Issue -, Pages 1170-1178Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2016.10.018
Keywords
Perovskite; Barium titanate; Macroporous; LPG sensor
Funding
- DAE-BRNS, Govt. of India [2013/34/27/BRNS/2693]
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Perovskite barium titanate (BaTiO3) nanocomposite thin film has been prepared using spin coating technique. Surface morphological, structural, compositional and optical properties of the film were investigated by various techniques such as SEM, XRD, TEM, EDS, UV-Spectroscopy, Raman spectroscopy and FTIR. SEM images showed the macroporous cubic structure of the film. The minimum crystallite size was evaluated as 11 nm by XRD and confirmed by TEM. Band gap of BaTiO3 was evaluated as 3.9 eV. Raman Spectroscopy confirmed the formation of BaTiO3 at 540 cm(-1). LPG sensings were carried out for vol.% 0.5-4 of LPG and sensor was found robust for the detection of LEL for LPG also. (C) 2016 Elsevier B.V. All rights reserved.
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