One-step surface doping of organic nanofibers to achieve high dark conductivity and chemiresistor sensing of amines.
High dark electrical conductivity was obtained for a p-type organic nanofibril material simply through a one-step surface doping. The nanofibril composite thus fabricated has been proven robust under ambient conditions. The high conductivity, combined with the intrinsic large surface area of the nanofibers, enables development of chemiresistor sensors for trace vapor detection of amines, with detection limit down to sub-parts per billion range.
Department of Materials Science and Engineering, University of Utah, Salt Lake City, Utah 84108, USA.
Helin
H
Huang
Dustin E
DE
Gross
Xiaomei
X
Yang
Jeffrey S
JS
Moore
Ling
L
Zang
D000588:Amines / Q000737:chemistry / Q000302:isolation & purification*; D004553:Electric Conductivity; D005740:Gases / Q000737:chemistry / Q000302:isolation & purification; D057230:Limit of Detection; D057139:Nanofibers / Q000737:chemistry*; D013499:Surface Properties
D000588:Amines; D005740:Gases