Chemical synthesis of nanocrystalline SnO2 thin films for supercapacitor application

Nanocrystalline SnO2 thin films were deposited by simple and inexpensive chemical route. The films were characterized for their structural, morphological, wettability and electrochemical properties using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron micr...

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Veröffentlicht in:Applied surface science 2011-09, Vol.257 (22), p.9498-9502
Hauptverfasser: PUSAWALE, S. N, DESHMUKH, P. R, LOKHANDE, C. D
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container_title Applied surface science
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creator PUSAWALE, S. N
DESHMUKH, P. R
LOKHANDE, C. D
description Nanocrystalline SnO2 thin films were deposited by simple and inexpensive chemical route. The films were characterized for their structural, morphological, wettability and electrochemical properties using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy techniques (SEM), transmission electron microscopy (TEM), contact angle measurement, and cyclic voltammetry techniques. The XRD study revealed the deposited films were nanocrystalline with tetragonal rutile structure of SnO2. The FT-IR studies confirmed the formation of SnO2 with the characteristic vibrational mode of Sn-O. The SEM studies showed formation of loosely connected agglomerates with average size of 5-10nm as observed from TEM studies. The surface wettability showed the hydrophilic nature of SnO2 thin film (water contact angle 9 degree ). The SnO2 showed a maximum specific capacitance of 66Fg-1 in 0.5 Na2SO4 electrolyte at 10mVs-1 scan rate.
doi_str_mv 10.1016/j.apsusc.2011.06.043
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subjects Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Contact angle
Exact sciences and technology
Nanocrystals
Physics
Scanning electron microscopy
Single-crystal and powder diffraction
Solid-fluid interfaces
Structure and morphology
thickness
Structure of solids and liquids
crystallography
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
Thin film structure and morphology
Thin films
Tin dioxide
Tin oxides
Transmission electron microscopy
Wettability
Wetting
X-ray diffraction and scattering
title Chemical synthesis of nanocrystalline SnO2 thin films for supercapacitor application
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