Surface-Confined Single-Layer Covalent Organic Framework on Single-Layer Graphene Grown on Copper Foil

被引：143

作者：

Xu, Lirong ^{[1
]}

Zhou, Xin ^{[2
]}

Tian, Wei Quan ^{[2
]}

Gao, Teng ^{[3
]}

Zhang, Yan Feng ^{[3
]}

Lei, Shengbin ^{[1
]}

Liu, Zhong Fan ^{[3
]}

机构：

[1] Harbin Inst Technol, Key Lab Microsyst & Microstruct Mfg, Minist Educ, Harbin 150080, Peoples R China

[2] Harbin Inst Technol, Acad Fundamental & Interdisciplinary Sci, State Key Lab Urban Water Resource & Environm The, Harbin 150080, Peoples R China

[3] Peking Univ, Dept Chem, Beijing 100871, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2014年 / 53卷 / 36期

基金：

美国国家科学基金会;

关键词：

density functional calculations; graphene; Schiff base; STM; surface covalent organic framework; NETWORKS; FILMS;

D O I：

10.1002/anie.201400273

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The integration of 2D covalent organic frameworks (COFs) with atomic thickness with graphene will lead to intriguing two-dimensional materials. A surface-confined covalently bonded Schiff base network was prepared on single-layer graphene grown on copper foil and the dynamic reaction process was investigated with scanning tunneling microscopy. DFT simulations provide an understanding of the electronic structures and the interactions between the surface COF and graphene. Strong coupling between the surface COF and graphene was confirmed by the dispersive bands of the surface COF after interaction with graphene, and also by the experimental observation of tunneling condition dependent contrast of the surface COF.

引用

页码：9564 / 9568

页数：5

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