首页|Controlled Growth Interface of Charge Transfer Salts of Nickel-7,7,8,8-Tetracyanoquinodimethane on Surface of Graphdiyne
Controlled Growth Interface of Charge Transfer Salts of Nickel-7,7,8,8-Tetracyanoquinodimethane on Surface of Graphdiyne
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Here we report an in situ assembly growth method that controls the growth of NiTCNQ on the surface of graphdiyne(GDY).The catalytic system of donor-acceptor-donor(GDY/TCNQ/Ni)structure with multiple charge transfer(CT)was achieved by con-trolling the growth of NiTCNQ on the surface of GDY.Significantly,a controlled double layer interface of GDY/TCNQ/Ni was formed.This system implemen-ted simultaneously the two elements we expected(1)an incomplete CT,and(2)the infinite distribution of active sites originating from highly asymmetric sur-face charge distribution.The high conductivity and typical semiconductor characteristics of the catalyst endows it with high catalytic activity.We found that an electrolytic cell consisting of the CT salt as a catalyst provided a 1.40 V ultra-small cell voltage up to 10 mA cm-2 and the outer GDY film effectively prevented the corrosion of the catalyst.Our study is the first to introduce CT complexes to a novel cata-lytic material platform for high selectivity of cata-lysts,and undoubtedly demonstrates the high selectivity,stability,and activity of such catalytic systems,which provides a new space for the devel-opment of novel conceptual catalysts.
graphdiynecharge transfer saltsdonor-acceptor-donor structureoverall water splitting
Yuxin Liu、Yang Gao、Feng He、Yurui Xue、Yuliang Li
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Institute of Chemistry,Chinese Academy of Sciences,Beijing 100190
University of Chinese Academy of Sciences,Beijing 100049
Science Center for Material Creation and Energy Conversion,School of Chemistry and Chemical Engineering,Institute of Frontier and Interdisciplinary Science,Shandong University,Jinan 250100