Optical and electrical properties of ZnO thin film containing nano-sized Ag particles |
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Authors: | Chae-Seon Hong Hyeong-Ho Park Hyung-Ho Park Ho Jung Chang |
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Affiliation: | (1) Department of Ceramic Engineering, Yonsei University, Seoul, 120-749, South Korea;(2) Department of Electronic Engineering, Dankook University, Cheonan-shi, Chungnam, 330-714, South Korea |
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Abstract: | Low-temperature crystallized ZnO thin film was achieved by sol–gel process using zinc acetate dihydrate and 2-methoxyethanol as starting precursor and solvent, respectively. Ag nanoparticles were prepared with uniform size at 4.4 nm by spontaneous reduction method of Ag 2-ethylhexanoate in dimethyl sulfoxide (DMSO). The optical and electrical properties of ZnO thin films containing various contents of Ag-nanoparticles were monitored. Light scattering and charge emission and scattering behaviors of Ag nanoparticles in ZnO film were found. The incorporation of Ag nanoparticles into Al-doped ZnO film was also investigated. The optical transmittance was not degraded but the increase of electrical sheet resistance was found. The effect of Al-dopant on the transmittance and electrical sheet resistance of ZnO film was found too great to distinguish the positive effect of the incorporation of Ag nanoparticles into Al-doped ZnO thin films. |
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Keywords: | ZnO thin film Nano-sized Ag particles Chemical solution deposition |
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