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Title: Comparative behavior of CdS and CdSe quantum dots in poly(3-hexylthiophene) based nanocomposites

Abstract

CdS and CdSe nanoparticles have been prepared using conducting poly(3-hexylthiophene) (P3HT) matrix with an objective to understand the effect of nanoparticles on the polymer matrix using electrochemical and spectroscopic techniques. The spectroscopic results reveal that the electronic structure of polymer is strongly influenced by the characteristics of embedded semiconducting nanoparticles. SEM and TEM images show the ordered morphology of the CdS and CdSe nanoparticles in presence of the polymer matrix. Cyclic voltammetry performed both in the presence and absence of light enables us to understand the redox changes in P3HT due to CdS and CdSe quantum dots such as the generation of free radical in the excited state and their electrochemical band gaps.

Authors:
 [1];  [2];  [2];  [3]
  1. Swiss Federal Institute of Technology, ETH-Hoenngerberg, 8092-Zurich (Switzerland). E-mail: sonar@mat.ethz.ch
  2. Physical and Materials Chemistry Division, National Chemical Laboratory, Pune-411008 (India)
  3. Physical and Materials Chemistry Division, National Chemical Laboratory, Pune-411008 (India). E-mail: viji@ems.ncl.res.in
Publication Date:
OSTI Identifier:
20891609
Resource Type:
Journal Article
Resource Relation:
Journal Name: Materials Research Bulletin; Journal Volume: 41; Journal Issue: 1; Other Information: DOI: 10.1016/j.materresbull.2005.07.032; PII: S0025-5408(05)00273-4; Copyright (c) 2005 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; CADMIUM SELENIDES; CADMIUM SULFIDES; COMPOSITE MATERIALS; ELECTROCHEMISTRY; ELECTRONIC STRUCTURE; EXCITED STATES; IMAGES; MORPHOLOGY; POLYMERS; QUANTUM DOTS; SCANNING ELECTRON MICROSCOPY; VOLTAMETRY

Citation Formats

Sonar, Prashant, Sreenivasan, K.P., Madddanimath, Trupti, and Vijayamohanan, K. Comparative behavior of CdS and CdSe quantum dots in poly(3-hexylthiophene) based nanocomposites. United States: N. p., 2006. Web. doi:10.1016/j.materresbull.2005.07.032.
Sonar, Prashant, Sreenivasan, K.P., Madddanimath, Trupti, & Vijayamohanan, K. Comparative behavior of CdS and CdSe quantum dots in poly(3-hexylthiophene) based nanocomposites. United States. doi:10.1016/j.materresbull.2005.07.032.
Sonar, Prashant, Sreenivasan, K.P., Madddanimath, Trupti, and Vijayamohanan, K. Thu . "Comparative behavior of CdS and CdSe quantum dots in poly(3-hexylthiophene) based nanocomposites". United States. doi:10.1016/j.materresbull.2005.07.032.
@article{osti_20891609,
title = {Comparative behavior of CdS and CdSe quantum dots in poly(3-hexylthiophene) based nanocomposites},
author = {Sonar, Prashant and Sreenivasan, K.P. and Madddanimath, Trupti and Vijayamohanan, K.},
abstractNote = {CdS and CdSe nanoparticles have been prepared using conducting poly(3-hexylthiophene) (P3HT) matrix with an objective to understand the effect of nanoparticles on the polymer matrix using electrochemical and spectroscopic techniques. The spectroscopic results reveal that the electronic structure of polymer is strongly influenced by the characteristics of embedded semiconducting nanoparticles. SEM and TEM images show the ordered morphology of the CdS and CdSe nanoparticles in presence of the polymer matrix. Cyclic voltammetry performed both in the presence and absence of light enables us to understand the redox changes in P3HT due to CdS and CdSe quantum dots such as the generation of free radical in the excited state and their electrochemical band gaps.},
doi = {10.1016/j.materresbull.2005.07.032},
journal = {Materials Research Bulletin},
number = 1,
volume = 41,
place = {United States},
year = {Thu Jan 05 00:00:00 EST 2006},
month = {Thu Jan 05 00:00:00 EST 2006}
}