The Absorption Spectrum of Biphenylene
β Scribed by Carr, Emma P.; Pickett, Lucy W.; Voris, Dorothy
- Book ID
- 127381553
- Publisher
- American Chemical Society
- Year
- 1941
- Tongue
- English
- Weight
- 216 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0002-7863
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π SIMILAR VOLUMES
Triplet-triplet absorption of biphenylene was sensitized by naphthalene. A band is observed at 29 500 cm-l and is assigned to a predicted 3B& + 3B& transition. Triplet biphenylene has a lifetime of 100 psec in solution. Nonradiative processes are thought to affect mainly the first singlet state of b
The vibronic sequences shown by the SI+So spectrum of biphenylene have been calculated by means of the relevant vibronic coupling and Franck-Condon factors. The results of our calculations make it possible to identify the bzu modes and a, modes responsible for the spectrum and involved in the radiat
The photophysical behavior of biphenylene has been investigated employing picosecond time-resolved absorption measurements over the range 400-760 nm. The temporal behavior of the different absorption maxima suggest that the transient absorption results from two different configurations of biphenylen