Ultra-sensitive SnO2 gas sensors based on hierarchical octahedra

The controlled hydrolysis of Sn 11 precursor ([Sn(NMe)2]2) yields micrometric Sn3O2(OH)2 octahedra, formed by a self-assembly process. The water content and alkylamine surfactants are major parameters for the growth process. These structures have been employed to prepare highly sensitive gas sensors...

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Bibliographic Details
Published in2016 IEEE Nanotechnology Materials and Devices Conference (NMDC) pp. 1 - 3
Main Authors Jonca, Justyna, Ryzhikov, Andrey, Chapelle, Audrey, Menini, Philippe, Fajerwerg, Katia, Kahn, Myrtil L., Fau, Pierre
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2016
Subjects
Gas detectors
Nanoparticles
Resistance
Self-assembly
Sensor phenomena and characterization
Tin
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Summary:The controlled hydrolysis of Sn 11 precursor ([Sn(NMe)2]2) yields micrometric Sn3O2(OH)2 octahedra, formed by a self-assembly process. The water content and alkylamine surfactants are major parameters for the growth process. These structures have been employed to prepare highly sensitive gas sensors, which present 7% variation of their resistance at only 0.25 ppm CO.
DOI:10.1109/NMDC.2016.7777147