材料科学
结晶度
共价有机骨架
电化学
电极
导电体
四氰基对醌二甲烷
共价键
纳米技术
化学工程
碳纤维
电导率
分子
多孔性
有机化学
复合材料
化学
物理化学
工程类
复合数
作者
Yizhou Yang,Suman Mallick,Fernando Izquierdo-Ruiz,Clara Schäfer,Xing Xing,Martin Rahm,Karl Börjesson
出处
期刊:Small
[Wiley]
日期:2021-09-08
卷期号:17 (40)
被引量:22
标识
DOI:10.1002/smll.202103152
摘要
Abstract Here an all‐carbon linked 3D covalent organic framework (COF) is introduced by employing a templated surface reaction in a continuous flow (TSRCF). The presented method of synthesis provides spatial control over the reaction chemistry and allows for the creation of ultrasmooth COF films of desired thickness and significant crystallinity. The films show high electrical conductivity (≈3.4 S m −1 ) after being doped with tetracyanoquinodimethane (TCNQ), setting a new record for 3D COF materials. The concurrence of 3D nanosized channels and high conductivity opens up for a number of hitherto unexplored applications for this class of materials, such as high surface area electrodes, electrochemical transistors, and for electronic sensing.
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