A two-dimensional cyanido-bridged Co-W assembly,Cs_(0.1)^(+)(H_(5)O_(2)^(+))_(0.9)[Co(4-bromopyridine)_(2.3){W(CN)_(8)}],was synthesized.This compound has a layer structure with H_(5)O_(2)^(+)and Cs^(+)ions in between...A two-dimensional cyanido-bridged Co-W assembly,Cs_(0.1)^(+)(H_(5)O_(2)^(+))_(0.9)[Co(4-bromopyridine)_(2.3){W(CN)_(8)}],was synthesized.This compound has a layer structure with H_(5)O_(2)^(+)and Cs^(+)ions in between the cyanidobridged Co-W coordination sheets,and exhibits a charge transfer-induced phase transition between Co^(Ⅱ)-W^(Ⅴ)(red)and Co^(Ⅲ)-W^(Ⅳ)(blue)states with a drastic color change.展开更多
基金supported in part by a JSPS KAKENHI Grant-in-Aid for Scientific Research(A)(Grant Number 20H00369),the CNRS-University of Tokyo“Excellence Science”Joint Research Program,and Dynacom(CNRS)The Cryogenic Research Center,the University of Tokyo,the Center for Nano Lithography&Analysis,the University of Tokyo,and Quantum Leap Flagship Program(Q-LEAP,Grant Number JPMXS0118068681)by MEXT are also acknowledged.Kazuki Nakamura was supported by the World-Leading Innovative Graduate Study Program for Materials Research Information and Technology(MERIT-WINGS)the Fellowship for Integrated Materials Science and Career Development.Koji Nakabayashi acknowledges the JSPS KAKENHI(Grant Number 19K05366).
文摘A two-dimensional cyanido-bridged Co-W assembly,Cs_(0.1)^(+)(H_(5)O_(2)^(+))_(0.9)[Co(4-bromopyridine)_(2.3){W(CN)_(8)}],was synthesized.This compound has a layer structure with H_(5)O_(2)^(+)and Cs^(+)ions in between the cyanidobridged Co-W coordination sheets,and exhibits a charge transfer-induced phase transition between Co^(Ⅱ)-W^(Ⅴ)(red)and Co^(Ⅲ)-W^(Ⅳ)(blue)states with a drastic color change.
