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

Sonar, Prashant, Sreenivasan, K.P., Maddanimath, Trupti, & Vijayamohanan, K. (2006) Comparative behavior of CdS and CdSe quantum dots in poly(3-hexylthiophene) based nanocomposites. Materials Research Bulletin, 41(1), pp. 198-208.

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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.

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ID Code: 75254
Item Type: Journal Article
Refereed: Yes
DOI: 10.1016/j.materresbull.2005.07.032
ISSN: 0025-5408
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2006 Elsevier B.V.
Deposited On: 08 Oct 2014 23:34
Last Modified: 09 Oct 2014 22:55

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