π-Conjugated bis(terpyridine)metal complex molecular wires

Ryota Sakamoto, Kuo Hui Wu, Ryota Matsuoka, Hiroaki Maeda, Hiroshi Nishihara

Research output: Contribution to journalReview articlepeer-review

109 Scopus citations

Abstract

Bottom-up approaches have gained significant attention recently for the creation of nano-sized, ordered functional structures and materials. Stepwise coordination techniques, in which ligand molecules and metal sources are reacted alternatively, offer several advantages. Coordination bonds are stable, reversible, and self-assembling, and the resultant metal complex motifs may contain functionalities unique to their own characteristics. This review focuses on metal complex wire systems, specifically the bottom-up fabrication of linear and branched bis(terpyridine)metal complex wires on electrode surfaces. This system possesses distinct and characteristic electronic functionalities, intra-wire redox conduction and excellent long-range electron transport ability. This series of comprehensive studies exploited the customizability of bis(terpyridine)metal complex wires, including examining the influence of building blocks. In addition, simple yet effective electron transfer models were established for redox conduction and long-range electron transport. A fabrication technique for an ultra-long bis(terpyridine)metal complex wire is also described, along with its properties and functionalities.

Original languageEnglish
Pages (from-to)7698-7714
Number of pages17
JournalChemical Society Reviews
Volume44
Issue number21
DOIs
StatePublished - 7 Nov 2015

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