Phosphorescence and delayed fluorescence of poly(3-hexylthiophene) films
β Scribed by Bai Xu; Steven Holdcroft
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 327 KB
- Volume
- 242
- Category
- Article
- ISSN
- 0040-6090
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π SIMILAR VOLUMES
Luminescence properties of poly(viny1 alcohol) (PVA) films were investigated at room and low (103 K) temperatures. It was estimated that the PVA films can be regarded as lminescentless matrices when excited by radiation of wavelengths greater than 420 nm ( A, , 2 420 nm).
The solution-processible semiconducting polymer poly(3-hexyithiophene) (P3HT) was produced by a sequence of monomer synthesis, chemical polymerization and solution phase film growth. The fundamental energy gap of the material was determined from the optical absorption spectrum to be 2.14 eV, in agr
We demonstrate that annealing conductive, solvent-case poly(3-hexylthiophene) (P3HT) films under reduced vacuum improved their structural properties and induced higher conductivity. These preliminary results suggest that thermal processing of conductive polymers may be a useful step in their future
## Abstract **Summary:** Nanowire lengths and lengthβtoβwidth aspect ratios in regioregular poly(3βhexylthiophene) (P3HT) were simply controlled through changes in the solvent vapor pressure during solidification. It is demonstrated that the nanowires grew by rodβtoβrod association, in which the mo