Electronic spectra of porphyrins in the solid state: Newly observed transitions, collective and structural effects, and protein-mimicking environments

Ronald L. Musselman; Randy W. Larsen; Brian M. Hoffman

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Electronic spectra of porphyrins in the solid state: Newly observed transitions, collective and structural effects, and protein-mimicking environments

机译：固态卟啉的电子光谱：新观察到的跃迁，集体效应和结构效应以及模拟蛋白质的环境

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Solid-state porphyrins allow detailed electronic spectroscopy, evaluation of structural effects, and new catalytic environments not possible in solution. A difficulty with studying porphyrins and other highly absorbing species with UV-vis spectroscopy in the solid state is the opacity of the samples. Fortunately, this is in fact a major plus with specular reflectance spectroscopy. This paper reviews several solid-state porphyrin systems having notable delocalized electrons, structural effects on spectra and environments that allow heterogeneous catalysis and protein-mimicking environments, all studied with polarized specular reflectance spectroscopy. The porphyrins include free-base and metalloporphyrins with simple (octaethyl) through complex (tetraaza-tetrabenzo) substituents and ring insertions. Applications include new electronic transition assignments, determination of ring vs. metal conductivity, correlation of ring puckering to red-shifting of Q and Soret transitions, and identifying the presence of and environmental effects on porphyrins in network solids.

机译：固态卟啉允许进行详细的电子光谱学，评估结构效果以及在溶液中无法实现的新催化环境。用固态的紫外-可见光谱法研究卟啉和其他高吸收物种的困难是样品的不透明性。幸运的是，这实际上是镜面反射光谱的主要优点。本文回顾了几种具有显着离域电子的固态卟啉系统，对光谱和环境的结构影响，以及允许异相催化和模拟蛋白质的环境，所有这些均通过偏振镜反射光谱法进行了研究。卟啉包括具有简单的（八乙基）至复杂的（四氮杂-四苯并）取代基和环插入的游离碱和金属卟啉。应用包括新的电子跃迁分配，环与金属电导率的确定，环褶皱与Q和Soret跃迁的红移相关性以及确定网络固体中卟啉的存在及其对环境的影响。

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来源
《Coordination chemistry reviews》 |2013年第2期|369-380|共12页
作者
Ronald L. Musselman; Randy W. Larsen; Brian M. Hoffman;
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作者单位

University of South Florida, Tampa, FL, United States,Franklin and Marshall College, Lancaster, PA, United States;

University of South Florida, Tampa, FL, United States;

Northwestern University, Evanston, IL, United States;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
specular reflectance; solid-state; porphyrins; phthalocyanines; electronic spectra; ruffling induced red-shift; solid network encapsulation; one-dimensional conductivity;

机译：镜面反射固体状态;卟啉;酞菁;电子光谱波纹引起的红移;坚固的网络封装;一维电导率;

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机译：正常坐标结构分解和卟啉的振动光谱;期刊卟啉酞菁

Electronic spectra of porphyrins in the solid state: Newly observed transitions, collective and structural effects, and protein-mimicking environments

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