Chemical Sensors from Lead Metallophthalocyanine Whiskers

Lead phthalocyanine (PbPc) single crystal whiskers were grown in vacuum via physical vapor deposition technique. The individual whiskers were used as gas-sensing elements of the conductometric gas sensing devices. These chemiresistors were found to respond sensitively and selectively to NO 2 . High...

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Bibliographic Details
Published in2007 IEEE Sensors pp. 636 - 639
Main Authors Strelcov, E., Kolmakov, A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2007
Subjects
Chemical elements
Chemical sensors
Conductivity
Crystallization
Crystals
Fabrication
Lead
Optical films
Temperature
Thin film sensors
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Summary:Lead phthalocyanine (PbPc) single crystal whiskers were grown in vacuum via physical vapor deposition technique. The individual whiskers were used as gas-sensing elements of the conductometric gas sensing devices. These chemiresistors were found to respond sensitively and selectively to NO 2 . High crystallinity and high surface to bulk ratio determine the advantageous stability and time response characteristics of such sensing elements in comparison with polycrystalline films.
ISBN:1424412617
9781424412617
ISSN:1930-0395
2168-9229
DOI:10.1109/ICSENS.2007.4388479