聚合物/富勒烯共混膜中三重态产率、单线态氧生成与光化学稳定性的相关性。
Correlating triplet yield, singlet oxygen generation and photochemical stability in polymer/fullerene blend films.
机构信息
Centre for Plastic Electronics and Department of Chemistry, Imperial College London, London, UK SW7 2AZ.
出版信息
Chem Commun (Camb). 2013 Feb 14;49(13):1291-3. doi: 10.1039/c2cc38243a. Epub 2013 Jan 8.
PMID:23296205
Abstract
The photostability of two donor polymers, DPP-TT-T and PTB7, is compared in neat films and blend films with PC(71)BM. In both neat and blend films, PTB7 is shown to be relatively unstable. This observation is shown to correlate with transient optical studies of long lived polymer triplets and with molecular probe studies of singlet oxygen yields.
摘要
两种给体聚合物 DPP-TT-T 和 PTB7 的光稳定性在纯膜和与 PC(71)BM 的共混膜中进行了比较。在纯膜和共混膜中，PTB7 被证明相对不稳定。这一观察结果与长寿命聚合物三重态的瞬态光学研究以及单线态氧产率的分子探针研究相关联。
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