今日化学系列报告第149讲：Functional Porphyrin Systems-上海大学理学院化学系

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今日化学系列报告第149讲：Functional Porphyrin Systems


创建时间： 2015年10月10日 00:00 王越浏览次数：

报告题目：Functional Porphyrin Systems

报告地点：校本部HA楼102室

报告时间: 10月12日下午14:00

报告人：Professor Maxwell J. Crossley （The University of Sydney）

摘要：Porphyrins find widespread use as functional components in natural systems because oftheir outstanding redox, photophysical, photochemical, self-assembly and ligand bindingproperties.This report will describe recent studies in our laboratory that have made use of theseproperties to develop: a) new sensors based on synthetic and naturally occurring porphyrins,including enzymes, integrated with silica; b) a biosensor based conductive network of crosslinked carbon nanotube/hemoglobin on a thiol-modified Au surface; c) new porphyrindendritic arrays for use in light harvesting and in catalysis; d) tris-and tetrakis-porphyrinchemical mimics of the chromophore arrangement of the photosynthetic reaction centre (PRC)that are the closest mimics of the natural systems to be developed anywhere (e.g., 1, Fig. 1);and e) ring-annulated porphyrins that behave as π-expanded systems and are very efficient sensitizers for energy upconversion whereby a stream of light of a given photon energy is converted into one of a higher energy.

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