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Published on: January 30, 2018
Structure evolution from Prussian-blue nanocubes to hollow nanocage composites via sodium tungstate etching
Xiafen Hu1, Xiaoxia Wang1, Xin Hu1
1State Key Laboratory of Materials and Processing Die & Mould Technology, Nanomaterials and Smart Sensors Research Laboratory, Department of Materials Science and Engineering, Huazhong University of Science and Technology, No. 1037, Luoyu Road, Wuhan 430074, China. wxxjohn@foxmail.com.
Abstract:
The formation path of hollow complex nanocages prepared via Na2WO4·2H2O etching, using Prussian blue as a template, is tracked, which confirms the existence of a central cross structure inside the etching products. A mechanism based on etching along edges is described. The gas sensor designed with an Fe-W hollow complex exhibits excellent performance toward CH3S3CH3.
