Chemical synthesis of zinc oxide nanorods for enhanced hydrogen gas sensing

doi:10.1088/1674-1056/23/1/018504

Chin. Phys. B ›› 2014, Vol. 23 ›› Issue (1): 18504-018504.doi: 10.1088/1674-1056/23/1/018504

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇下一篇

Chemical synthesis of zinc oxide nanorods for enhanced hydrogen gas sensing

Musarrat Jabeen^a, Muhammad Azhar Iqbal^a, R Vasant Kumar^b, Mansoor Ahmed^a, Muhammad Tayyeb Javed^c

a Department of Physics, University of the Punjab Lahore, Pakistan;
b Department of Material Science and Metallurgy, University of Cambridge, England;
c Department of Chemical Engineering, Pakistan Institute of Engineering and Applied Sciences, Nilore, Islamabad, Pakistan

收稿日期:2013-04-25 修回日期:2013-07-02 出版日期:2013-11-12 发布日期:2013-11-12
基金资助:
Projected supported by the HEC of Pakistan for international initiative research support programme (IRSIP).

Chemical synthesis of zinc oxide nanorods for enhanced hydrogen gas sensing

Musarrat Jabeen^a, Muhammad Azhar Iqbal^a, R Vasant Kumar^b, Mansoor Ahmed^a, Muhammad Tayyeb Javed^c

a Department of Physics, University of the Punjab Lahore, Pakistan;
b Department of Material Science and Metallurgy, University of Cambridge, England;
c Department of Chemical Engineering, Pakistan Institute of Engineering and Applied Sciences, Nilore, Islamabad, Pakistan

Received:2013-04-25 Revised:2013-07-02 Online:2013-11-12 Published:2013-11-12
Contact: Musarrat Jabeen E-mail:musarrat95@hotmail.com
Supported by:
Projected supported by the HEC of Pakistan for international initiative research support programme (IRSIP).

摘要/Abstract

摘要： Zinc oxide (ZnO) nanorods are prepared using equimolar solution of zinc nitrate ((Zn(NO₃)₂) and hexamethylenetetramine (C₆H₁₂N₄) by the hydrothermal technique at 80 ℃ for 12 h. Epitaxial growth is explored by X-ray diffraction (XRD) patterns, revealing that the ZnO nanorods have a hexagonal (wurtzite) structure. Absorption spectra of ZnO are measured by UV–visible spectrometer. The surface morphology is investigated by field emission scanning electron microscopy (FESEM). The synthesized ZnO nanorods are used for detecting the 150 ℃ hydrogen gas with a concentration over 1000 ppm. The obtained results show a reversible response. The influence of operating temperature on hydrogen gas detecting characteristic of ZnO nanorods is also investigated.

关键词: zinc oxide, hydrothermal synthesis, nanorods, hydrogen gas sensor

Abstract: Zinc oxide (ZnO) nanorods are prepared using equimolar solution of zinc nitrate ((Zn(NO₃)₂) and hexamethylenetetramine (C₆H₁₂N₄) by the hydrothermal technique at 80 ℃ for 12 h. Epitaxial growth is explored by X-ray diffraction (XRD) patterns, revealing that the ZnO nanorods have a hexagonal (wurtzite) structure. Absorption spectra of ZnO are measured by UV–visible spectrometer. The surface morphology is investigated by field emission scanning electron microscopy (FESEM). The synthesized ZnO nanorods are used for detecting the 150 ℃ hydrogen gas with a concentration over 1000 ppm. The obtained results show a reversible response. The influence of operating temperature on hydrogen gas detecting characteristic of ZnO nanorods is also investigated.

Key words: zinc oxide, hydrothermal synthesis, nanorods, hydrogen gas sensor

中图分类号: (Micro- and nano-electromechanical systems (MEMS/NEMS) and devices)

85.85.+j

85.35.-p (Nanoelectronic devices) 81.07.-b (Nanoscale materials and structures: fabrication and characterization)

Musarrat Jabeen, Muhammad Azhar Iqbal, R Vasant Kumar,Mansoor Ahmed, Muhammad Tayyeb Javed. Chemical synthesis of zinc oxide nanorods for enhanced hydrogen gas sensing[J]. Chin. Phys. B, 2014, 23(1): 18504-018504.

Musarrat Jabeen, Muhammad Azhar Iqbal, R Vasant Kumar, Mansoor Ahmed, Muhammad Tayyeb Javed. Chemical synthesis of zinc oxide nanorods for enhanced hydrogen gas sensing[J]. Chin. Phys. B, 2014, 23(1): 18504-018504.

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Chemical synthesis of zinc oxide nanorods for enhanced hydrogen gas sensing

Chemical synthesis of zinc oxide nanorods for enhanced hydrogen gas sensing

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