一种具有七个可逆可及氧化还原态和高度可调电致变色行为的离域钴紫精。
A delocalized cobaltoviologen with seven reversibly accessible redox states and highly tunable electrochromic behaviour.
作者信息
Mansoor Iram F, Wozniak Derek I, Wu Yilei, Lipke Mark C
机构信息
Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey 08854, USA.
Department of Chemical Engineering, Stanford University, Stanford, California 94305-4125, USA.
出版信息
Chem Commun (Camb). 2020 Nov 18;56(89):13864-13867. doi: 10.1039/d0cc05627h. Epub 2020 Oct 22.
Co mediates electronic coupling between two N-Me-pyridinium-terpyridine ligands that are related to redox-active N,N-dialkyl-4,4'-bipyridinium dications (viologens). Borderline Class II/III electronic delocalization imparts the cobaltoviologen complex with distinct electronic properties (e.g., 7 accessible redox states) relative to those of viologens, leading to enhanced electrochromism.
它共同介导了两个与氧化还原活性的N,N-二烷基-4,4'-联吡啶二价阳离子（紫精）相关的N-甲基吡啶-三联吡啶配体之间的电子耦合。介于II类/III类之间的电子离域赋予钴紫精配合物相对于紫精而言独特的电子性质（例如，7个可及的氧化还原态），从而导致增强的电致变色性能。
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