Citation: GAO Yun-Yan, OU Zhi-Ze, YANG Guo-Qiang, WANG Xue-Song, ZHANG Zhi-Bin, LI Song-Ming. Photoinduced Electron Transfer between Perylenequinonoid/Fullerene C60 Supramolecule and Electron Donor[J]. Acta Physico-Chimica Sinica, ;2009, 25(01): 74-78. doi: 10.3866/PKU.WHXB20090113
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The magnesiumcomplex of hypocrellinA(Mg2+-HA) (a perylenequinonoid compound) and pristine fullerene C60 was used to construct supramolecular assemblies in solution and in the solid state. The assembly was characterized by UV-Vis, transient absorption spectroscopy, and powder X-ray diffraction (XRD). The solubility of C60 in polar solvent improves significantly in the presence of Mg2+-HA. The solubility of C60 in dimethyl sulfoxide (DMSO) is 1×10-4 mol·L-1 when C60 is allowed to complex with Mg2+-HA(4×10-4 mol·L-1). Acting as an antenna molecule in the supramolecular system, Mg2+-HA remarkably enhances the photoinduced electron transfer efficiency between C60 and an electron donor, N,N-dimethylaniline (DMA). The electron spin resonance (ESR) signal intensity of C6-0·increases 9-fold as strong as that in the absence of Mg2+-HA.
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