Solution Adsorption Formation of a π-Conjugated Polymer/Graphene Composite for High-Performance Field-Effect Transistors

被引:55
作者
Liu, Yun [1 ]
Hao, Wei [2 ]
Yao, Huiying [3 ]
Li, Shuzhou [2 ]
Wu, Yuchen [4 ]
Zhu, Jia [3 ]
Jiang, Lei [4 ,5 ]
机构
[1] Chinese Acad Sci, Inst Chem, Key Lab Green Printing, BNLMS, Beijing 100190, Peoples R China
[2] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore
[3] Beijing Normal Univ, Dept Chem, Beijing 100875, Peoples R China
[4] Chinese Acad Sci, Key Lab Bioinspired Mat & Interfacial Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China
[5] Beihang Univ, Sch Chem & Environm, Beijing 100191, Peoples R China
关键词
pi-pi interaction; field-effect transistors; graphene; organic semiconductors; solution adsorption; POLYMER SOLAR-CELLS; ORGANIC SEMICONDUCTORS; INTEGRATED-CIRCUITS; CHARGE-TRANSPORT; ELECTRONIC SKIN; HIGH-MOBILITY; GRAPHENE; SINGLE; NANOCOMPOSITES; EFFICIENCY;
D O I
10.1002/adma.201705377
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Semiconducting polymers with pi-conjugated electronic structures have potential application in the large-scale printable fabrication of high-performance electronic and optoelectronic devices. However, owing to their poor environmental stability and high-cost synthesis, polymer semiconductors possess limited device implementation. Here, an approach for constructing a pi-conjugated polymer/graphene composite material to circumvent these limitations is provided, and then this material is patterned into 1D arrays. Driven by the pi-pi interaction, several-layer polymers can be adsorbed onto the graphene planes. The low consumption of the high-cost semiconductor polymers and the mass production of graphene contribute to the low-cost fabrication of the pi-conjugated polymer/graphene composite materials. Based on the pi-conjugated system, a reduced pi-pi stacking distance between graphene and the polymer can be achieved, yielding enhanced charge-transport properties. Owing to the incorporation of graphene, the composite material shows improved thermal stability. More generally, it is believed that the construction of the pi-conjugated composite shows clear possibility of integrating organic molecules and 2D materials into microstructure arrays for property-by-design fabrication of functional devices with large area, low cost, and high efficiency.
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页数:9
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