期刊
APPLIED PHYSICS LETTERS
卷 101, 期 5, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4740073
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资金
- National Science Council of Taiwan [100-2112-M-018-003-MY3]
The investigation of poly(3,4-ethylenedioxythiophene) doped with poly(4-styrenesulfonate) (PEDOT:PSS) having the reduced graphene oxide (RGO), denoted RGO-doped PEDOT:PSS shows that conductivity of RGO-doped PEDOT:PSS samples is 27 times higher than that of PEDOT:PSS at 300K. The improved electrical conductivity is considered to mainly come from the mobility enhancement. The carrier mobility in RGO-doped PEDOT:PSS samples exhibits unexpectedly strong temperature dependence, implying the domination of tunneling (hopping) at low (high) temperatures. An exhibition of high mobility of RGO-doped PEDOT:PSS samples is attributed to the increased spacing between molecules. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4740073]
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