Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 139, Issue 34, Pages 11666-11669Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.7b05025
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Funding
- Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning [TP2015002]
- National Natural Science Foundation of China [51673042]
- National Key Research and Development Program [2016YFA0203900]
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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).
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