Fabrication of ZnO@CeO2 core–shell hetero-structural nanofibers and enhanced gas sensing performance for acetone

Author:

Diao Quan1ORCID,Yin Yuna1,Zhang Xiaomei2,Li Jie1,Jiao Mingli1,Cao Jian1,Qin Qi1,Yang Kai2,Zhu Genxing1,Xu Xiumei3

Affiliation:

1. College of Materials & Chemical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, P. R. China

2. College of Fashion, Zhongyuan University of Technology, Zhengzhou 450007, P. R. China

3. College of Physics and Electronic Engineering, Nanyang Normal University, Nanyang 473061, P. R. China

Abstract

ZnO@CeO2 core–shell hetero-structural nanofibers (NFs) were synthesized by a coaxial electrospinning method and the materials characterization results proved that the core–shell hetero-structure was formed. Furthermore, the sensing properties test indicated that the ZnO@CeO2 NFs exhibited higher response values and enhanced selectivity to acetone in low concentration range (0.2–10[Formula: see text]ppm) compared with ZnO and CeO2 NFs, which showed the potential value in the field of diabetes diagnose. It is suggested that the enhanced sensitivity to acetone is attributed to the synergistic effect of one-dimensional (1D) structure and the formation of ZnO and CeO2 hetero-structure.

Funder

The National Natural Science Foundation of China

Henan Province Colleges and Universities Key Scientific Research Project

Publisher

World Scientific Pub Co Pte Lt

Subject

General Materials Science

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