期刊
CHEMOSPHERE
卷 199, 期 -, 页码 531-537出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2018.02.059
关键词
Pyroelectric effect; Pyrocatalytic effect; Pyrocatalysis; NaNbO3
资金
- National Natural Science Foundation of China [51502266]
- Public Welfare Technology Application Research Project of Zhejiang Province, China [LGG18E020005]
- Natural Science Foundation of Zhejiang Province [LR12804001]
In this work, pyrocatalytic effect is realized in hydrothermally-synthesized pyroelectric NaNbO3 shape-controllable nanoparticles via the product of pyroelectric effect and electrochemical redox. A pyro-catalysis is designed to decompose dye wastewater. Under the 23-50 degrees C heating-cooling cycle, the maximum pyrocatalytic decomposition ratio of NaNbO3 nanorods, nanosheets and nanocubes are 96%, 76% and 33%, respectively. The pyrocatalytic effect of NaNbO3 nanoparticles is potential in developing a environmentally-friendly technology for room-temperature pyrocatalysis through utilizing natural heat energy. (c) 2018 Elsevier Ltd. All rights reserved.
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