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Gas-Sensing Properties of Perovskite BiFeO3 Nanoparticles

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Nanoparticles of bismuth iron oxide were synthesized via a soft chemical route. X-ray diffraction measurements indicated that the nanoparticles are of a pure perovskite phase. The gas-sensing properties of the nanoparticles were examined. It is found that bismuth iron oxide nanoparticles are sensitive to several organic gases (e.g., acetone and alcohol) with an ultralow detection limit, rapid response, fast recovery, and good selectivity.
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Document Type: Research Article

Affiliations: 1: Department of Applied Physics and Materials Research Center, The Hong Kong Polytechnic University, Hong Kong, China 2: Research Center of Materials Science, Beijing Institute of Technology, Beijing, China

Publication date: 2009-12-01

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