Mijuan Xu
Nankai University
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Publication
Featured researches published by Mijuan Xu.
Journal of Materials Chemistry | 2010
Jun Zhang; Xianghong Liu; Shihua Wu; Mijuan Xu; Xianzhi Guo; Shurong Wang
Au nanoparticle-decorated porous SnO2 hollow spheres, which are different from the conventional noble metal-doped thick or thin semiconductor films, are prepared and systematically investigated as a new model for chemical gas sensors. The synthesized Au-decorated porous SnO2 hollow spheres are characterized by means of X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy and inductively coupled plasma-optical emission spectroscopy. The Au content in the SnO2 support was determined as 5.63 wt% by XPS and 5.90 wt% by ICP, respectively, indicating the homogeneous dispersion of Au nanoparticles on SnO2 hollow spheres. Experimental results show that, by using ethanol as a probe molecule, this new model exhibits excellent sensing performances in terms of high response, fast response-recovery, superior selectivity and good stability. The enhanced sensing features are attributed to the improved gas diffusion and mass transport induced by the unique porous structure, the formation of conjugated electron depletion layers on both the outer and inner surfaces of the SnO2 hollow spheres and the catalytic effect of the Au nanoparticles. It is believed that the strategy of combining the porous nanostructure and catalytic activity of noble metals can further provide potential for other applications.
Crystal Growth & Design | 2009
Jun Zhang; Shurong Wang; Mijuan Xu; Yan Wang; Baolin Zhu; Shoumin Zhang; Weiping Huang; Shihua Wu
Journal of Physical Chemistry C | 2009
Jun Zhang; Shurong Wang; Mijuan Xu; Yan Wang; Huijuan Xia; Shoumin Zhang; Xianzhi Guo; Shihua Wu
Sensors and Actuators B-chemical | 2009
Jun Zhang; Shurong Wang; Yan Wang; Mijuan Xu; Huijuan Xia; Shoumin Zhang; Weiping Huang; Xianzhi Guo; Shihua Wu
Physical Chemistry Chemical Physics | 2013
Liwei Wang; Shurong Wang; Mijuan Xu; Xiaojing Hu; Hongxin Zhang; Yanshuang Wang; Weiping Huang
Sensors and Actuators B-chemical | 2010
Mijuan Xu; Jun Zhang; Shurong Wang; Xianzhi Guo; Huijuan Xia; Yan Wang; Shoumin Zhang; Weiping Huang; Shihua Wu
Sensors and Actuators B-chemical | 2009
Jun Zhang; Shurong Wang; Yan Wang; Mijuan Xu; Huijuan Xia; Shoumin Zhang; Weiping Huang; Xianzhi Guo; Shihua Wu
Microporous and Mesoporous Materials | 2009
Shurong Wang; Jun Zhang; Junqing Jiang; Rui Liu; Baolin Zhu; Mijuan Xu; Yan Wang; Jianliang Cao; Minyan Li; Zhong-Yong Yuan; Shoumin Zhang; Weiping Huang; Shihua Wu
Sensors and Actuators B-chemical | 2010
Jun Zhang; Xianghong Liu; Mijuan Xu; Xianzhi Guo; Shihua Wu; Shoumin Zhang; Shurong Wang
Sensors and Actuators B-chemical | 2010
Jun Zhang; Shurong Wang; Yan Wang; Mijuan Xu; Huijuan Xia; Shoumin Zhang; Weiping Huang; Xianzhi Guo; Shihua Wu