Hydrophobic effects n photochemical and photophysical processed: IX, enhancement of singlet-singlet energy transfer from alkyl 2-naphthoates to 9-anthracenemethyl n-alkanoates via aggregation

Acta Chimica Sinica ›› 1990, Vol. 48 ›› Issue (2): 174-179. Previous Articles Next Articles

Original Articles

疏水作用对光化学和光物理过程的影响IX. 长链分子的簇集对β-萘甲酸烷基酯和脂肪酸9-蒽甲醇酯间能量传递的增强作用

徐承柏;佟振合

中国科学院感光化学研究所

发布日期:1990-02-15

Hydrophobic effects n photochemical and photophysical processed: IX, enhancement of singlet-singlet energy transfer from alkyl 2-naphthoates to 9-anthracenemethyl n-alkanoates via aggregation

XU CHENGBAI;DONG ZHENHE

Published:1990-02-15

Abstract

In DMSO-water (DMSO-H2O) solvent mixture long-chain hydrocarbons (譶), alkyl 2-naphthoates (An) and 9-anthracenemethyl alkanoates (En) associate into coaggregates. The single-singlet energy transfer from An to En occurs via dipole-dipole interaction in the coaggregates. Under the condition that each coaggregate contains 1 An and 1 En mols., the efficiency of energy transfer is as high as 50%. The rate of intraaggregate energy transfer is 1 order in magnitude higher than that of interaggregative energy transfer. Energy transfer from An excimer to En was also observed, but the efficiency is very low. As a result, excimer formation decreases the efficiency of energy transfer since it competes with the energy transfer from An monomer.

Key words: PHOTOCHEMISTRY, FATTY ACID, CARBOXYLIC ACID ESTER, DMSO, ENERGY TRANSFER, LONG CHAIN COMPOUND, ANTHRACENE P, NAPHTHALENECARBOXYLIC ACID P, SINGLET

CLC Number:

O644

Cite this article

XU CHENGBAI;DONG ZHENHE. Hydrophobic effects n photochemical and photophysical processed: IX, enhancement of singlet-singlet energy transfer from alkyl 2-naphthoates to 9-anthracenemethyl n-alkanoates via aggregation[J]. Acta Chimica Sinica, 1990, 48(2): 174-179.

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疏水作用对光化学和光物理过程的影响IX. 长链分子的簇集对β-萘甲酸烷基酯和脂肪酸9-蒽甲醇酯间能量传递的增强作用

Hydrophobic effects n photochemical and photophysical processed: IX, enhancement of singlet-singlet energy transfer from alkyl 2-naphthoates to 9-anthracenemethyl n-alkanoates via aggregation

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