期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 34, 页码 18909-18914出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b05647
关键词
electrohydrodynamic organic nanowire printing; p-type dopant; thermal annealing; organic field-effect transistors; polymer microstructure
资金
- Center for Advanced Soft-Electronics - Ministry of Science, ICT and Future Planning as Global Frontier Project [2014M3A6A5060947]
- Basic Science Research Program through National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning [NRF-2013R1A1A2012660]
Doping of small molecular donors or acceptors on conjugated organic materials can be used to improve the performance of organic electronics. Here we demonstrate highly aligned poly(3-hexylthiophene) (P3HT) nanowires (NWS) doped with 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (F4-TCNQ) using electrohydrodynamic organic NW printing. The transistor based on p-doped NWs had an order of magnitude higher mobility than did the undoped NW device. This significant improvement resulted from the synergistic effects of p-type doping and thermal annealing on F4-TCNQ:doped P3HT NWs, which induce microstructure changes in P3HT chains.
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