Synthesis and Oxygen Sensing Properties of Ti1-xSnxO2 Solid Solutions Nanoparticles

Autor:	Ai Qing Wu, Li Sheng Gao, Xin Zuo Fang, Huan Qin Wang, Xin Hua Lin, Rui Zhang, Ying Xian Wang
Rok vydání:	2013
Předmět:	Materials science Mechanical Engineering Inorganic chemistry Nanoparticle Microstructure Hydrothermal circulation law.invention Mechanics of Materials law Rutile General Materials Science Calcination Crystallite Solid solution Sol-gel
Zdroj:	Key Engineering Materials. :45-49
ISSN:	1662-9795
DOI:	10.4028/www.scientific.net/kem.575-576.45
Popis:	Rutile Ti1xSnxO2(0.2x4+and Sn4+were used as precursors in the sol-gel process and Sn4+served as crystal-inducing agent during the formation of rutile crystal lattice in the hydrothermal process at 200°C. The microstructures and morphologies of nanoparticles were detected with XRD and TEM. Rutile Ti1xSnxO2solid solutions nanoparticles with well-distributed crystallite sizes about 10nm were obtained with Sn4+content above 20mol% without any high temperature calcination. The oxygen sensitivity properties of Ti1xSnxO2solid solutions had also been investigated. It is proved Ti1xSnxO2solid solutions exhibited higher oxygen responses than single TiO2or SnO2. A typical sample of Ti0.5Sn0.5O2presented the best sensitivity is approximately 6 under 400°C.
Databáze:	OpenAIRE
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