Marked frequency dependence of the quantum efficiency for hole formation was observed at 4 and 20 K for photochemical hole-burning of free-base tetraphenylporphin (TPP) and sulfonated TPP in poly(viny1 alcohol) (PVA) and other polymers as well as non-photochemical hole-burning of methylene blue in P
โฆ LIBER โฆ
Dependence of non-photochemical hole-burning efficiency on the packing density of matrix polymers
โ Scribed by Jun-ichi Takahashi; Jun Tsuchiya; Kenji Kawasaki
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 381 KB
- Volume
- 222
- Category
- Article
- ISSN
- 0009-2614
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We studied the photoinduced electron transfer process at low temperatures by using persistent spectral hole burning spectroscopy. The efficiency of non-photochemical hole burning for zinc tetraphenylporphine (ZnTPP) and zinc phthalocyanine decreased in the presence of electron acceptors. This is att