Ultra-sensitive SnO2 gas sensors based on hierarchical octahedra

Justyna Jonca 1 Andrey Ryzhikov 1 Audrey Chapelle 2 Philippe Menini 2 Katia Fajerwerg 1 Myrtil Kahn 1 Pierre Fau 1
1 LCC - Laboratoire de chimie de coordination
2 LAAS-MICA - Équipe MICrosystèmes d'Analyse
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : The controlled hydrolysis of Sn II precursor ([Sn(NMe) 2 ] 2 ) yields micrometric Sn 3 O 2 (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.
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INSA-GROUPE | INC-CNRS | LAAS-MICRO-NANO-BIO-TECHNOLOGIES | LAAS-MICA | LAAS | INSA-TOULOUSE | CNRS | UNIV-TLSE3 | UT1-CAPITOLE | UNIV-TLSE2 | IRD

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Justyna Jonca, Andrey Ryzhikov, Audrey Chapelle, Philippe Menini, Katia Fajerwerg, et al.. Ultra-sensitive SnO2 gas sensors based on hierarchical octahedra. IEEE Nanotechnology Materials and Devices Conference (NMDC 2016), Oct 2016, Toulouse, France. pp.1-3, ⟨10.1109/NMDC.2016.7777147⟩. ⟨hal-02046536⟩

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