Zhe Liu

Huazhong University of Science and Technology

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Hongtao Huang

Sun Yat-sen University

Bo Liang

Peking University

Di Chen

Sun Yat-sen University

Guozhen Shen

Beijing Institute of Technology

Xianfu Wang

University of Electronic Science and Technology of China

Xin Xu

Huzhou University

Sihan Ran

Wuhan National Laboratory for Optoelectronics

Junfeng Chao

Huainan Normal University

Jing Xu

Anhui University

Zhong Xie

National Research Council Canada

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Huazhong University of Science and Technology

Chinese Academy of Sciences

Wuhan National Laboratory for Optoelectronics

University of Electronic Science and Technology of China

Sun Yat-sen University

Peking University

Beijing Institute of Technology

University of British Columbia

Huzhou University

First Affiliated Hospital of Jiangxi Medical College

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Porous SnO2 nanoflowers derived from tin sulfide precursors as high performance gas sensors

CrystEngComm (2012)

Junfeng Chao Xin Xu Hongtao Huang Zhe Liu Bo Liang

SnO2 has been confirmed to be a potential sensor to many toxic volatile gases. We report here the synthesis of porous SnO2 nanoflowers by in situ oxidization of SnS and SnS2 precursors with similar morphologies. The as-synthesized SnO2 products were characterized by FESEM, XRD, TEM, UV-vis spectrometry, fluorescence spectrometry and the nitrogen adsorption–desorption technique. Configured as resistor-type chemical sensors, the as-synthesized SnO2 products exhibited excellent sensitivity and fast response/recovery times towards different gases including ethanol, methanol, methanal and acetone. After Pt nanoparticles were loaded, their sensing properties were dramatically increased, indicating their promising applications in detecting toxic volatile organic materials.

10.1039/c2ce25089f

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Citations (34)

Self-organized hierarchical zinc phosphide nanoribbon–zinc sulfide nanowire heterostructures

CrystEngComm (2011)

Di Chen Zhe Liu Xianfu Wang Bo Liang Jing Xu

Hierarchical Zn3P2 nanoribbon–ZnS nanowire heterostructures were synthesized by simple thermal evaporation of the mixture of ZnS and InP powders. Studies found that the synthesized hierarchical heterostructures consisted of single crystalline Zn3P2 nanoribbons with numerous single crystalline [0001]-oriented ZnS nanowires grown perpendicular to the Zn3P2 nanoribbons. The growth mechanism of the hierarchical heterostructures was investigated in detail by studying the intermediate samples synthesized at different times. Low-temperature cathodoluminescence properties of the heterostructures were investigated, where two emission bands centered at 600 nm and 790 nm were observed, corresponding to the defect-related emission of ZnS and band gap emission of Zn3P2, respectively. Single heterostructure-based devices were also fabricated to study their photoconducting properties, showing decent responses to lights with different wavelengths.

Cathodoluminescence

Zinc sulfide

Phosphide

Nanomaterials

Indium phosphide

10.1039/c1ce05666b

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Citations (7)