Dynamic Nuclear Polarization by Electron Spins in the Photoexcited Triplet State: II. High Polarization of the Residual Protons in Deuterated Naphthalene
β Scribed by Takeda, Kazuyuki; Takegoshi, K.; Terao, Takehiko
- Book ID
- 120419678
- Publisher
- Institute of Pure and Applied Physics
- Year
- 2004
- Tongue
- English
- Weight
- 93 KB
- Volume
- 73
- Category
- Article
- ISSN
- 0031-9015
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π SIMILAR VOLUMES
## Electron spin polarization in the photoescitrd triplet state of tetraphenyl porphyrin was detected at 100Β°K using EPR technique. The zero Iield splitting parameters IDland IEI for the free base porphyrin were found to be 0.0369 ? 0.0005 and 0.0082 ? 0.0005 WI-'. respectively. ## Detection o
The photoexcitcd triplet states of chlorophyll a and b are studied by the EPR method at -85 K using modulated ii&t excitation. Both compounds show anomalous EPR line intensities and transient kinetics, indicating e!ectron spin polxi~ation (ESP) in the photoexcitcd triplet state. EPR studies, using h