| Autor: |
Kim, Jin-Yeol, Kim, Jae-Taek, Kwon, Min-Hee, Han, Dong-Kyu, Kwon, Si-Joong |
| Zdroj: |
Macromolecular Research; Jan2007, Vol. 15 Issue 1, p5-9, 5p |
| Abstrakt: |
The attenuated total reflection infrared (ATR-IR) spectra of trans-polyacetylene ( trans-PA) film doped with sodium (n-doping) were observed in the range of 1900 to 700 cm. The observed IR bands were attributed to negatively charged domains created by n-doping electrons. The doping-induced IR bands showed considerable difference from its pristine film. After doping, the out-of-plane CH deformation band of the strong 1010 cm region in the pristine film disappeared while several new bands were observed at 1600 (due to C=C stretching), 1400 (due to in-plane CH bending), 1290 and 1174 (due to CH stretching), and 880 cm (due to CC stretching) regions for Nadoped PA. In particular, a weak band of C=C stretching at 1600 cm was newly obtained for the first time in the present study. The electro conductivity of the doped trans-PA film was 10 S/cm and the origins of doping-induced IR bands are discussed in terms of solitons and polarons. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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