Narayan, K. S. ; Geetha, K. V. (2001) Photocurrent response of bipyridine containing Poly(p-phenylene-vinylene) derivatives Journal of Physical Chemistry B, 105 (32). pp. 7671-7677. ISSN 1520-5207
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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp0112931
Related URL: http://dx.doi.org/10.1021/jp0112931
Abstract
The photoinduced charge separation and subsequent transport under an external electric field is studied in the family of poly[bipyridine/(p- phenylene- vinylene)n] derivatives having n = 0, 1, and 3, respectively, p- phenylene- vinylene subunits separating the bipyridylene vinylene skeleton. Steady- state photocurrent of the polymers is studied in sandwich and surface configurations and correlated with transient photocurrent measurements. The results reveal the facile electric- field- induced separation of the electron- hole pair for n = 1 samples relative to n = 3 samples. We also estimate the energy barriers involved in the process of carrier generation and transport in these systems.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 60048 |
| Deposited On: | 08 Sep 2011 10:05 |
| Last Modified: | 08 Sep 2011 10:05 |
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