Fujian Normal University,Fuzhou 350007,China;
State Key Laboratory of Structural Chemistry,Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences,Fuzhou 350002,China;
Fujian Science&Technology Innovation Laboratory for Optoelectronic Information of China,Fuzhou 350108,China;
Platinum(Ⅱ)complex; Electronic effect; Single-molecule conductance; Quantum interference; Magic ratio rule;