Sonar, Prashant ; Sreenivasan, K. P. ; Madddanimath, 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. ISSN 0025-5408
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.materresbull.2005.07.032
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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | A. Semiconducting Polymers; B. Electrochemical Properties |
| ID Code: | 53284 |
| Deposited On: | 05 Aug 2011 11:19 |
| Last Modified: | 05 Aug 2011 11:19 |
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