Engerta, Christian ; Umapathy, Siva ; Kiefer, Wolfgang ; Hamaguchi, Hiro-o (1994) Dynamic structure of charge carrier in polyaniline by near-infrared excited resonance Raman spectroscopy Chemical Physics Letters, 218 (1-2). pp. 87-92. ISSN 0009-2614
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0009-2614(93)E1468-V
Abstract
New vibrational Raman features characteristic to the conductive form of polyaniline have been observed with the near-infrared excitation at 1047 nm. Based on an analogy with the resonance Raman spectrum of Michler's ketone in the lowest excited triplet (T1) state, we consider these features as due to a dynamic structure of a diimino-1,4-phenylene unit in the polyaniline chain exchanging a positive charge very rapidly. This consideration directly leads to a conducting mechanism in which a positive charge migrates from one nitrogen to the other through the conjugated chain of polyaniline.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 64959 |
| Deposited On: | 15 Oct 2011 12:29 |
| Last Modified: | 15 Oct 2011 12:29 |
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