Optical, structural, and morphological properties of PANI/CdSe(TPs) nanocomposite thin films

Optical, structural, and morphological properties of PANI/CdSe(TPs) nanocomposite thin films Polyaniline (PANI) thin films and cadmium selenide tetrapods (CdSe TPs) have been prepared by low-cost chemical bath deposition and solvothermal route, respectively. Hybrid PANI/CdSe(TPs) nanocomposite layers were obtained by dipping the PANI layers into the solution of CdSe(TPs) for various duration. The optical, structural, morphological and compositional properties of pristine PANI and nanocomposite layers are studied. The dipping time of PANI layer into CdSe(TPs) solution significantly affect onto the above properties. The absorption and PL intensities for PANI/CdSe(TPs) layers in visible to NIR region increases upon increasing the dipping time. CdSe TPs revealed hexagonal crystal structure by X-ray diffraction analysis. The inter-planer distance was measured about 0.352 nm corresponds to (002) plane of hexagonal CdSe with HRTEM. Growth of void free, granular, and densely packed PANI/CdSe(TPs) layers was confirmed from SEM images. Stoichiometric atomic percentage contents of Cd and Se were obtained by EDAX analyses in PANI/CdSe(TPs) thin film. FTIR results indicate the interaction between CdSe and the acid protonated N–H groups of PANI. The LO1 peak of CdSe and increased relative intensity of C–N+ band of PANI observed in the Raman spectra demonstrates the formation of PANI/CdSe nanocomposites. Thermogravimetric result reveals enhanced thermal stability of PANI/CdSe(TPs) nanocomposite compared to pristine PANI. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Science: Materials in Electronics Springer Journals

Optical, structural, and morphological properties of PANI/CdSe(TPs) nanocomposite thin films

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media New York
Subject
Materials Science; Optical and Electronic Materials; Characterization and Evaluation of Materials
ISSN
0957-4522
eISSN
1573-482X
D.O.I.
10.1007/s10854-017-7079-z
Publisher site
See Article on Publisher Site

Abstract

Polyaniline (PANI) thin films and cadmium selenide tetrapods (CdSe TPs) have been prepared by low-cost chemical bath deposition and solvothermal route, respectively. Hybrid PANI/CdSe(TPs) nanocomposite layers were obtained by dipping the PANI layers into the solution of CdSe(TPs) for various duration. The optical, structural, morphological and compositional properties of pristine PANI and nanocomposite layers are studied. The dipping time of PANI layer into CdSe(TPs) solution significantly affect onto the above properties. The absorption and PL intensities for PANI/CdSe(TPs) layers in visible to NIR region increases upon increasing the dipping time. CdSe TPs revealed hexagonal crystal structure by X-ray diffraction analysis. The inter-planer distance was measured about 0.352 nm corresponds to (002) plane of hexagonal CdSe with HRTEM. Growth of void free, granular, and densely packed PANI/CdSe(TPs) layers was confirmed from SEM images. Stoichiometric atomic percentage contents of Cd and Se were obtained by EDAX analyses in PANI/CdSe(TPs) thin film. FTIR results indicate the interaction between CdSe and the acid protonated N–H groups of PANI. The LO1 peak of CdSe and increased relative intensity of C–N+ band of PANI observed in the Raman spectra demonstrates the formation of PANI/CdSe nanocomposites. Thermogravimetric result reveals enhanced thermal stability of PANI/CdSe(TPs) nanocomposite compared to pristine PANI.

Journal

Journal of Materials Science: Materials in ElectronicsSpringer Journals

Published: May 13, 2017

References

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