The energy relaxation of optical excitations in poly (pphenyl-phenylenevinylene) (PPPV) and PPPV blended in polycarbonate (PC) is investigated by means of picosecond time-resolved luminescence spectroscopy. In PPPV a pronounced dependence on the photon energy of the excitation laser is found. For ex
โฆ LIBER โฆ
Ultrafast relaxation in conjugated polymers
โ Scribed by Takayoshi Kobayashi
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 528 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0022-2313
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## Abstract The hysteresis phenomenon in a polymer thin film transistor (PTFT) with either poly(3โhexylthiophene), poly(3โdodecylthiophene), or poly[2โmethoxyโ5โ(2โethylhexyloxy)โ1,4โphenylene vinylene] is investigated over a wide range of temperatures, and found to be generated by the delay in mai
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