Particle Size Dependent Gas Sensing Performance of Zno Nanorods based Thick Film Resistors

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Snehal D. Patil, Y. B. Patil, D. R. Patil, Shahera S. Patel


Pure bulk ZnO was observed to be less sensitive to hazardous, toxic and inflammable gases. As the particle size of the materials get reduced from bulk to nanoscale, the gas sensing performance of pure ZnO was observed to increase crucially. It was also observed that, further decrease in the particle size would leads to decrease in the gas response. The optimized average diameter of ZnO Nanorod / particle size is 12 nm, which exhibits crucial gas response. The disc type ultrasonicated microwave assisted centrifuge technique was used for the synthesis of materials. The dry powders of synthesized materials were transformed into thick films by screen printing technique. Various characterizations techniques were employed to study the surface topography, crystal structure, phase, particle size, etc. effect of the surface nanostructure, different gases, gas concentrations, particle size, long duration for ageing, etc. on the gas response of the samples were studied and discussed.
DOI: 10.17762/ijritcc2321-8169.150802

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How to Cite
, S. D. P. Y. B. P. D. R. P. S. S. P. “Particle Size Dependent Gas Sensing Performance of Zno Nanorods Based Thick Film Resistors”. International Journal on Recent and Innovation Trends in Computing and Communication, vol. 3, no. 8, Aug. 2015, pp. 5063-8, doi:10.17762/ijritcc.v3i8.4790.