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Conducting Polymer‐Based Chemiresistive Sensor for Organic Vapours
Author(s) -
Rosa Roberta M.,
Szulc Ricardo L.,
Li Rosamaria W. C.,
Gruber Jonas
Publication year - 2005
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200551116
Subject(s) - vapours , solubility , polymer , molar ratio , materials science , doping , yield (engineering) , chemical engineering , electrode , analytical chemistry (journal) , polymer chemistry , chemistry , organic chemistry , composite material , optoelectronics , catalysis , neuroscience , engineering , biology
Summary: Poly(2‐bromo‐5‐hexyloxy‐ p ‐phenylenevinylene), BHPPV, was electrochemically synthesized in 81% yield. The polymer presented high solubility in organic solvents, in spite of its relatively high molar weight ( $\overline{M}_{\rm w}$ = 80 000), and showed to be thermally resistant up to 130 °C. Gas sensors made from thin films of CSA doped BHPPV, deposited on interdigitated electrodes, responded to five different solvents. Plots of relative response versus relative recovery showed good discrimination of the five solvents.