HIGHLY CONJUGATED, ACETYLENYL BRIDGED PORPHYRINS - NEW MODELS FOR LIGHT-HARVESTING ANTENNA SYSTEMS

被引：775

作者：

LIN, VSY ^{[1
]}

DIMAGNO, SG ^{[1
]}

THERIEN, MJ ^{[1
]}

机构：

[1] UNIV PENN,DEPT CHEM,PHILADELPHIA,PA 19104

来源：

SCIENCE | 1994年 / 264卷 / 5162期

关键词：

D O I：

10.1126/science.8178169

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A new class of porphyrin-based chromophore systems has been prepared from ethyne-elaborated porphyrin synthons through the use of metal-mediated cross-coupling methodologies. These systems feature porphyrin chromophores wired together through single ethynyl linkages. This type of topological connectivity affords exceptional electronic interactions between the chromophores which are manifest in their room temperature photo-physics, optical spectroscopy, and electrochemistry; these spectroscopic signatures indicate that these species model many of the essential characteristics of biological light-harvesting antenna systems.

引用

页码：1105 / 1111

页数：7

共 75 条

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