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1篇 您的检索式:作者名="CHI Lifcng"
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1Two-dimensional Molecular Phase Transition of Alkylated-TDPB on Au(111)and Cu(111)Surfaces显示文摘The derivatives of aromatic cores bearing alkyl chains with different lengths are of potential interest in on-surface chemistry,and thus have been widely investigated both at liquid-solid interfaces and in vacuum.Here,we report on the structural evaluation of self-assembled 1,3.5-tri(4-dodecvlphenyl)benzene(TDPB)molecules with in creased molecular coverages on both Au(111)and Cu(111)surfaces.As observed on Au(111).thombic and herring bone structures emerge successively depending on surface coverage.In the case of Cu(111),the same process of phase conversion is also observed,but with two distinct structures.In comparison,the self-assembled structures on Au(111)surface are packed more densely than that on Cu(111)surface under the same preparation conditions.This may fundamentally result from the higher adsorption energy of TDPB molecules on Cu(111),restricting their adjustment to optimize a thermodvnamically favorable molecular packing.ZHANG Junjie WANG Can DUAN Ruomeng PENG Chencheng YANG Biao CAO Nan ZHANG Haiming CHI Lifcng 2020Chemical Research in Chinese Universities2020,36,4:0
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