SnO2 QDs sensitized ZnFe2O4 spheres with enhanced acetone sensing performance
Qiming Yuan,
Weichao Li,
Zhangcheng Xia
et al.
Abstract:Herein, SnO2 QDs (<10 nm) with small size instead of conventional nanoparticles was employed to modify ZnFe2O4to synthesize porous and heterogeneous SnO2/ZnFe2O4(ZFSQ) composites for gas sensing. By an immersion process combined with calcination treatment, the resultant porous ZFSQ composites with different contents of SnO2 QDs were obtained and their sensing properties were investigated. Compared with that of bare ZnFe2O4 and SnO2 QDs, porous ZFSQ composites based sensors showed much improved sensor respon… Show more
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