Polymer-Assisted Generation of Antimony-Doped SnO2 Nanoparticles with High Crystallinity for Application in Gas Sensors

Antimony‐doped SnO2 nanoparticles (ATO) are obtained, using a polymer‐assisted approach, in the form of fine nanocrystalline powders with superior crystallinity. Gas‐sensor devices fabricated with these ATO nanoparticles show good and quick responses (see image), and good recovery, to formaldehyde g...

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Bibliographic Details
Published in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2008-10, Vol.4 (10), p.1656-1660
Main Authors: Wang, Yude D., Djerdj, Igor, Antonietti, Markus, Smarsly, Bernd
Format: Article
Language:English
Subjects:
Antimony - chemistry
Crystallization
Electric Impedance
electrical conductivity
gas sensors
Gases - chemistry
nanoparticles
Nanoparticles - chemistry
Nanoparticles - ultrastructure
Nanotechnology - instrumentation
Polymers - chemistry
sol-gel processes
Spectrum Analysis
Temperature
Tin Compounds - chemistry
X-Ray Diffraction
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Summary:Antimony‐doped SnO2 nanoparticles (ATO) are obtained, using a polymer‐assisted approach, in the form of fine nanocrystalline powders with superior crystallinity. Gas‐sensor devices fabricated with these ATO nanoparticles show good and quick responses (see image), and good recovery, to formaldehyde gas at a low operating temperature of 136 °C..
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.200800644