Well-Defined Cyanometallate Coordination-Polymer Nanoarchitectures Realized by Wet-Chemical Manipulation

Cyano-bridged coordination polymers have attracted wide interest owing to their promise in various applications such as molecular magnets, information storage, bio-sensing, electrochromism, nanomedicine, catalysis, water treatment, and energy storage and conversion. Inspired by the great success of nanoengineering in noble metals and semiconductors, nanoarchitectonics of these cyano-bridged coordination polymers has been actively explored for hunting new properties or functions with significant progress in understanding their crystallization habit and chemical stability. Although comprehensive information about the nanoarchitectonics of cyano-bridged coordination polymers remains poorly elucidated, a systematic overview of recent advances in this area is strongly needed in order to make further progress on the basis of current developments. In this review, we intend to summarize the wet-chemical manipulation strategies based on controlled crystallization and etching for nanostructuration of cyano-bridged coordination polymers. Some examples of the relationship between the nanoarchitecture and the properties of the cyano-bridged coordination polymers will be given.