Journal
NANO
Volume 3, Issue 2, Pages 75-82Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S1793292008000861
Keywords
Polymer nanowire; polyaniline; acetone wetting; coagulation; substitution; electrical conductivity of nanowires
Funding
- Central Research Development Fund (CRDF) at the University of Pittsburgh
- AFOSR-MOST
- National Science Foundation (NSF) [EEC 0633912]
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Site-specific single polyaniline nanowires were fabricated through electrophoresis growth with acetone wetting. After growing the nanowires, the post-process of acetone wetting of the nanowires improved morphology, topology, and electrical conductivity with coagulation and substitution in polyaniline. They showed resistance changes of 39.57 +/- 11.57% and presented 2.38 x 10(-4) +/- 3 x 10(-5)Omega . cm, 133.77 +/- 13.82nm thickness, and 133.17 +/- 13.01nm width in 1 mu m to 5.5 mu m length. The new combined growth process of electrophoresis and acetone wetting significantly improved reproducibility, reliability, and controllability in the fabrication of single polymer nanowires.
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