Hydrothermal Fabrication of WO3 Hierarchical Architectures: Structure, Growth and ResponseReportar como inadecuado


Hydrothermal Fabrication of WO3 Hierarchical Architectures: Structure, Growth and Response


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1

State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China

2

Mining Engineering Post-Doctorate Mobility Station of Chongqing University, Chongqing 400044, China

3

International College of Chongqing Jiaotong University, Chongqing 400074, China





Academic Editors: Jordi Sort and Eva Pellicer

Abstract Recently hierarchical architectures, consisting of two-dimensional 2D nanostructures, are of great interest for potential applications in energy and environmental. Here, novel rose-like WO3 hierarchical architectures were successfully synthesized via a facile hydrothermal method. The as-prepared WO3 hierarchical architectures were in fact assembled by numerous nanosheets with an average thickness of ~30 nm. We found that the oxalic acid played a significant role in governing morphologies of WO3 during hydrothermal process. Based on comparative studies, a possible formation mechanism was also proposed in detail. Furthermore, gas-sensing measurement showed that the well-defined 3D WO3 hierarchical architectures exhibited the excellent gas sensing properties towards CO. View Full-Text

Keywords: WO3; crystal growth; functional; CO; sensors WO3; crystal growth; functional; CO; sensors





Autor: Chuan-Sheng Wu 1,2,3

Fuente: http://mdpi.com/



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