期刊
CHEMICAL PHYSICS LETTERS
卷 341, 期 5-6, 页码 431-434出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0009-2614(01)00509-7
关键词
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Well-aligned and uniform polyaniline (PANI) nano-fibril array film was prepared by synthesizing within the anodic aluminum oxide (AAO) template. The growth mechanism of PANI nano-fibrils is related to the structure of AAO, polymerization temperature and molar ratios of monomer/oxidized reagent. Fourier transmission infrared (FTIR) results supply the evidence for the formation of PANI fibrils. Here we first show that template-synthesized PANI array membrane can be directly used as an electron field emitter. A low threshold electric field of 5-5 V/mum and maximum emission current density of similar to5 mA/cm(2) are observed, which suggests a new candidate as a field-emitting material. The simple and convenient approach should be significant for the development of field emission displays (FEDs) technology. (C) 2001 Published by Elsevier Science B.V.
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