Journal
MATERIALS LETTERS
Volume 165, Issue -, Pages 50-54Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.11.092
Keywords
SnO2; Ethanol; Quantum dots; Sensor
Funding
- National Natural Science Foundations of China
- 973 Project [2011CBA00508]
- Beijing Municipal Natural Science Foundation
- Beijing Engineering Center for Hierarchical Catalysts
- Fundamental Research Funds for the Central Universities [YS1406]
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SnO2 quantum dots (QDs) with diameter of 2.5 nm has been successfully synthesized by a simple precipitation method without using any capping agent or organic solvent at room temperature, and SnO2 nanoparticles with different diameter were obtained by annealing the as-synthesized Sn02 QDs at different temperature. The SnO2 nanoparticle with small size of 3.7 nm presents high sensing response and ultrafast response (1 s) and recovery (1 s) to ethanol. (C) 2015 Published by Elsevier B.V.
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