Journal
APPLIED SURFACE SCIENCE
Volume 512, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2020.145763
Keywords
Tungsten trioxide; Hierarchical; Hollow microspheres; Formaldehyde removal
Categories
Funding
- NSFC [51602098, 51508168]
- Research Project of Hubei Provincial Department of Education [Q20163002]
- Natural Science Foundation of Hubei Province [2015CFC882]
- China Postdoctoral Science Foundation [2015M580673]
- Technology Creative Project of Excellent Middle & Young Team of Hubei Province [T201620]
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Hierarchical tungsten trioxide (WO3) hollow microspheres were successfully fabricated via a facile solution method and heat treatment, followed by platinum (Pt) deposition. The Pt/WO3 composite showed superior catalytic activity for formaldehyde (HCHO) removal under ambient condition, resulting from the synergistic effect between Pt and WO3. The optimal Pt loading amount is determined to be 1.0 wt%. The hierarchical hollow architecture endowed Pt/WO3 with relatively large SBET and opened porous architecture. These promote the diffusion and adsorption of HCHO on the Pt/WO3 composite. The present work affords new route to design highly effective catalyst for environmental protection.
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