Charge Separation in Graphene-Decorated Multimodular Tris(pyrene)-Subphthalocyanine-Fullerene Donor-Acceptor Hybrids
作者:Chandra B. KC、Gary N. Lim、Francis D'Souza
DOI:10.1002/anie.201500156
日期:2015.4.20
photochemical charge separation in donor–acceptor conjugates is devised. For this, multimodular donor–acceptor conjugates, composed of three molecules of pyrene, a subphthalocyanine, and a fullerene C60 ((Pyr)3SubPc‐C60), have been synthesized and characterized. These systems were hybridized on few‐layer graphene through π–π stacking interactions of the three pyrene moieties. The hybrids were characterized
设计了一种新的方法来探测石墨烯对供体-受体共轭物中光化学电荷分离的影响。为此,由三分子of,亚酞菁和富勒烯C 60((Pyr)3 SubPc-C 60)组成的多模块供体-受体共轭物),已经合成并表征。这些系统通过三个pyr部分的π-π堆积相互作用在几层石墨烯上杂交。使用拉曼光谱,HRTEM以及光谱和电化学技术对杂种进行了表征。通过飞秒瞬态吸收光谱研究了与石墨烯的相互作用以及在不存在和存在石墨烯的情况下光诱导的电荷分离,对供体-受体共轭体的能级进行了微调。在这些石墨烯修饰的共轭物中检测到加速的电荷分离和重组,表明它们可用作快速响应的光电器件和光能收集应用的材料。