Enhanced Thermal Stability under DC Electrical Conductivity Retention and Visible Light Activity of Ag/TiO2@Polyaniline Nanocomposite Film

Title
Enhanced Thermal Stability under DC Electrical Conductivity Retention and Visible Light Activity of Ag/TiO2@Polyaniline Nanocomposite Film
Author(s)
조무환모드안사리칸모하마드만숩사지드안자리이진태카티라주
Keywords
SOL-GEL METHOD; PHOTOCATALYTIC ACTIVITY; PHOTOELECTROCHEMICAL PERFORMANCE; TIO2 NANOCRYSTALS; DOPED TIO2; POLYANILINE; BIOFILM; BAND; NANOPARTICLES; GRAPHENE/POLYANILINE
Issue Date
201406
Publisher
AMER CHEMICAL SOC
Citation
ACS APPLIED MATERIALS & INTERFACES, v.6, no.11, pp.8124 - 8133
Abstract
The development of organic inorganic photoactive materials has resulted in significant advancements in heterogeneous visible light photocatalysis. This paper reports the synthesis of visible light-active Ag/TiO2@Pani nanocomposite film via a simple biogenic chemical route. Electrically conducting Ag/TiO2@Pani nanocomposites were prepared by incorporating Ag/TiO2 in N-methyl-2-pyrrolidone solution of polyaniline (Pani), followed by the preparation of Ag/TiO2@Pani nanocomposite film using solution casting technique. The synthesized Ag/TiO2@Pani nanocomposite was confirmed by UV-visible spectroscopy, photoluminescence spectroscopy, scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and thermogravimetric analysis. The Ag/TiO2@Pani nanocomposite film showed superior activity towards the photodegradation of methylene blue under visible light compared to Pani film, even after repeated use. Studies on the thermoelectrical behavior by DC electrical conductivity retention under cyclic aging techniques showed that the Ag/TiO2@Pani nanocomposite film possessed a high combination of electrical conductivity and thermal stability. Because of its better thermoelectric performance and photodegradation properties, such materials might be a suitable advancement in the field of smart materials in near future.
URI
http://hdl.handle.net/YU.REPOSITORY/32066http://dx.doi.org/10.1021/am500488e
ISSN
1944-8244
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공과대학 > 화학공학부 > Articles
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