Chemical Sensors from Lead Metallophthalocyanine Whiskers

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 in:2007 IEEE Sensors pp. 636 - 639
Main Authors: Strelcov, E., Kolmakov, A.
Format: Conference Proceeding
Language:English
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