Solution Synthesis of Semiconducting Two-Dimensional Polymer via Trimerization of Carbonitrile

被引：195
|
作者：
Liu, Jingjing [1 ]
Zan, Wu [2 ]
Li, Ke [1 ]
Yang, Yang [1 ]
Bu, Fanxing [1 ]
Xu, Yuxi [1 ]
机构：
[1] Fudan Univ, Dept Macromol Sci, State Key Lab Mol Engn Polymers, Shanghai 200433, Peoples R China
[2] Fudan Univ, Sch Microelect, State Key Lab Applicat Specif Integrated Circuit, Shanghai 200433, Peoples R China
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2017年 / 139卷 / 34期
基金：
中国国家自然科学基金;
关键词：
COVALENT ORGANIC FRAMEWORKS; TRIAZINE-BASED FRAMEWORKS; GRAPHENE SHEETS; LARGE-AREA; DELAMINATION; SEPARATION; NANOSHEETS; INTERFACE; CRYSTALS; FILMS;
D O I：
10.1021/jacs.7b05025
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The synthesis of crystalline two-dimensional polymers (2DPs) with proper bandgaps and well-defined repeating units presents a great challenge to synthetic chemists. Here we report the first solution synthesis of a single-layer/few-layer triazine-based 2DP via trimerization of carbonitrile at the interface of dichloromethane and trifluoromethanesulfonic acid. The process able triazine-based 2DP can be assembled into mechanically strong layered free-standing films with a high specific surface area via filtration. Moreover, the highly crystalline triazine-based 2DP can function as the active semiconducting layer in a field-effect transistor via drop coating and exhibits slightly bipolar behavior with a high on/off ratio of 103 and a remarkable mobility of 0.15 cm(2) V-1 s(-1).
引用
收藏
页码：11666 / 11669
页数：4
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