Picosecond study of electronic energy transfer in tetracene-doped anthracene crystals
โ Scribed by D. Huppert; D. Rojansky
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 466 KB
- Volume
- 114
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
โฆ Synopsis
Pimsccond time-resolved fluorescence spectroscopy measurements have been conducted on very thin tetraoen&oped anthracene miaouystak_ The observed time dependence of the fluorescence intensities of crystals with wuiouc: cancentrations of tetxacene IS an&tent with predictions of the combmed theory of ehciton diffusion and long-range resonance energy transfer.
๐ SIMILAR VOLUMES
A picosecond laser system has been employed to study the kmetics of singlet evciton energy transfer m p-terphenyl single crystals doped with tetracene over the temperature range 77-300 K. First-order kinetics prevail and exciton migration from host to guest is controlled by thermal activation over a
Electron transfer from the first excited singlet state of a polyrnethine cyanine dye, DODCI, to various electron acceptors @-benzoquinone, pdinitrobenzene and methylviologen) was investigated using picosecond fluorescence and absorption spectroscopy. The electron transfer to methylviologen was confi