Open AccessИзменение проводимости полианилиновых нанотрубок в процессе их формирования
Author(s) -
В.М. Капралова,
И.Ю. Сапурина,
Н.Т. Сударь
Publication year - 2018
Publication title -
fizika i tehnika poluprovodnikov
Language(s) - English
Resource type - Journals
eISSN - 1726-7315
pISSN - 0015-3222
DOI - 10.21883/ftp.2018.06.45934.8756
Subject(s) - polyaniline , nanotube , polymerization , materials science , conductivity , aniline , polyaniline nanofibers , chemical engineering , composite material , polymer chemistry , nanotechnology , polymer , carbon nanotube , chemistry , organic chemistry , engineering
It is shown that the method for the growth of conducting polyaniline nanotubes, based on the direct polymerization of aniline on the surface of channels in track membranes, can be used to produce nanotubes with a given conductivity. An island-type film with a channel resistance of ~10^19 Ω is formed during the initial stage of polymerization (up to 2 min). As the polymerization duration increases to 3 min, the channel resistance falls by more than 10 orders of magnitude. This is attributed to the formation of a continuous film on the channel surface, i.e., a nanotube is formed. With the polymerization duration increasing further, the channel (nanotube) resistance gradually decreases to ~10^19 Ω at 10 min. The conductivity of polyaniline during the formation of a hollow nanotube is estimated to be 0.01–0.04 S/cm. If the nanotube is completely filled with polyaniline, the conductivity increases to ~0.2 S/cm.