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	Photophysical properties and photo-induced intermolecular electron transfer of a novel aryl benzyl ester dendritic axially-substituted silicon (IV) phthalocyanine
	Chen, Xiuqin ; Ma, Dongdong ; Wang, Xiongwei ; Chen, Jianling ; Ruan, Youhong ; Qi, Yiling ; Ye, Qiuhao ; Peng, Yiru ; Ma DD(马冬冬)
	2014
关键词	Electron transitions Electrons Fluorescence Health care Photodynamic therapy Photosynthesis Silicon Spectroscopic analysis Thermodynamics
英文摘要	Conference Name:Optics in Health Care and Biomedical Optics VI. Conference Address: Beijing, China. Time:October 9, 2014 - October 11, 2014.; Chinese Optical Society (COS); The Society of Photo-Optical Instrumentation Engineers (SPIE); The photophysical properties of a novel dendritic phthalocyanine di-{3, 5-di-(4-methoxycarbonyl group benzyloxy) benzyloxy) benzyloxy} axially substituted silicon (IV) phthalocyanine (DSiPc) were studied by UV/Vis, steady state and time-resolved spectroscopic methods. The effect of dendritic structure on the photophysical properties and photoinduced intermolecular electron transfer were investigated. The maximum absorption, fluorescence intensity, lifetime and fluorescence quantum yield of DSiPc were greatly sensitized by the dendritic structure on the axially position of silicon (IV) phthalocyanine. The photoinduced intermolecular electron transfer between this novel macromolecule and benzoquinone (BQ) was studied. The results showed that the fluorescence emission of this dendritic phthalocyanine could be quenched by BQ with KSV value of DSiPc is 52.84 dm3 mol-1. The cyclic voltammogram and square wave voltammogram of DSiPc in DMF further evidenced the electron was transfer from DSiPc to BQ from thermodynamics. Therefore, this novel dendritic phthalocyanine was an effective new electron donor and transmission complex could be used as a potential artificial photosynthesis system. ? 2014 SPIE.
语种	英语
出处	http://dx.doi.org/10.1117/12.2071787
出版者	SPIE
内容类型	其他
源URL	[http://dspace.xmu.edu.cn/handle/2288/85435]
专题	化学化工－会议论文
推荐引用方式 GB/T 7714	Chen, Xiuqin,Ma, Dongdong,Wang, Xiongwei,et al. Photophysical properties and photo-induced intermolecular electron transfer of a novel aryl benzyl ester dendritic axially-substituted silicon (IV) phthalocyanine. 2014-01-01.

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