XIE Dan, JIANG Yadong, LI Dan, WU Zhiming, LI Yanrong. PREPARATION AND GAS-SENSING PROPERTY OF POLYANILINE BASED ULTRATHIN FILMS BY LANGMUIR-BLODGETT TECHNOLOGY[J]. Acta Polymerica Sinica, 2001,(2):224-227.
XIE Dan, JIANG Yadong, LI Dan, WU Zhiming, LI Yanrong. PREPARATION AND GAS-SENSING PROPERTY OF POLYANILINE BASED ULTRATHIN FILMS BY LANGMUIR-BLODGETT TECHNOLOGY[J]. Acta Polymerica Sinica, 2001,(2):224-227.DOI:
Pure polyaniline(emeraldine base form) Langmuir-Blodgett(LB) films and polyaniline and aceticacid mixed LB films with various layers are prepared.The LB films with various layers are characterized byultraviolet/visible(UV-Vis)spectroscopy.The gas-sensitivity to NO2 of polyaniline based LB films with different layers are studied.It is found that pure polyaniline LB films show higher sensitivity
responsivity and reversibility to NO2 gas than those of polyaniline and acetic acid mixed LB films.The response time of 3-layer and 15-layer pure polyaniline LB films to 20×16-6NO2 gas is about 10 seconds and 30 seconds.respectively.The recovery time of the latter is about 4min.