Enhanced Performance of Al-Doped Zinc Oxide Nanorods at Different Concentration Using Sol-Gel Preparation Methods towards Humidity Sensing Application

Abstract:

Zinc oxide (ZnO) nanorods with different Aluminium (Al) – doping concentration (at%) has been deposited on glass substrate. The concentrations of Al were varied from 0 (undoped), 0.2, 0.8, and 3 at %. Field emission scanning electron microscopy (FESEM) was used to study the structural properties of the samples, UV-vis for absorbance and transmittance coefficient, and current voltage (I-V) measurement for electrical properties. From the results, it is observed that the diameter size of nanorods were reduced upon the increasing of Al-concentration. The I-V measurement showed that the 0.8 at% doping sample produced the highest conductivity.

• Periodical: Advanced Materials Research (Volume 1109)
• Pages: 519-523
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1109.519
• Online since: June 2015
• Authors: Ahmad Syakirin Ismail*, Mohd Firdaus Malek, Muhammad Amir Ridhwan Abdullah, Mohamad Hafiz Mamat, M. Rusop
• Keywords: Polyethylene Glycol, Weight Percent, ZnO Nanorods

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