Abstract
The magnitude and phase delay of the photoinduced infrared absorption bands of polythiophene have been measured at 78 K with a sinusoidal intensity-modulation of 514.5 nm laser light. All the photoinduced bands show the same response in magnitude and phase delay to the external stimulus. The magnitudes of the photoinduced bands show an approximate f 0.6 dependence on the modulation frequency above 1.25 kHz. The micro- to millisecond photoexcitation dynamics are discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 25-30 |
| Number of pages | 6 |
| Journal | Journal of Molecular Structure |
| Volume | 379 |
| Issue number | 1-3 |
| DOIs | |
| Publication status | Published - 1996 Jan 1 |
| Externally published | Yes |
Keywords
- Infrared absorption
- Phase-modulation
- Photoinduced
- Polythiophene
ASJC Scopus subject areas
- Analytical Chemistry
- Spectroscopy
- Organic Chemistry
- Inorganic Chemistry
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Cite this
Yokonuma, N., Furukawa, Y., & Tasumi, M. (1996). Phase-modulation measurements of photoinduced infrared absorptions from polythiophene. Journal of Molecular Structure, 379(1-3), 25-30. https://doi.org/10.1016/0022-2860(95)09161-0