聚对乙烯二苯甲酮在溶液中的室温磷光

Polymer Photochemistry Pub Date : 1986-01-01 DOI:10.1016/0144-2880(86)90048-5

Roger Knoesel, Gilbert Weill

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引用次数: 1

摘要

对乙烯基二苯酮(VB)的聚合物和共聚物在氯仿和苯溶液中，在室温下，当小心地去除氧气时，可以检测到磷光发射。它们的光谱性质接近二苯甲酮(B)，但振动结构发生了变化，e型延迟荧光增加。聚(对乙烯基二苯甲酮)中磷光的绝对量子产率的测量和对乙烯基二苯甲酮-乙烯基二茂铁共聚物中猝灭的观察结果与先前的光化学结果一致:从这些结果中不能推断出溶液中聚合物链中二苯甲酮单元之间的三重态能量迁移。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Room-temperature phosphorescence of poly(p-vinylbenzophenone) in solution

The phosphorescence emission of polymers and copolymers of p-vinylbenzophenone (VB) can be detected in chloroform and benzene solutions at room temperature, when oxygen is carefully removed. Their spectroscopic properties are close to those of benzophenone (B), but changes in the vibrational structure and an increase of E-type delayed fluorescence is observed. The measurement of absolute quantum yields of phosphorescence in poly(p-vinylbenzophenone) and the observation of quenching in p-vinylbenzophenone-vinylferrocene copolymers are in agreement with previous photochemical results: no triplet energy migration between benzophenone units in the polymer chain in solution could be inferred from these results.

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