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HomeMaterials Science ForumMaterials Science Forum Vol. 1099Influence of Copper Doping on Structural and...

Influence of Copper Doping on Structural and Opto-Electronic Properties of Zinc Oxide Nanoparticles

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Abstract:

In this work, we elucidate the opto-electronic properties of pure zinc oxide and copper- doped zinc oxide nanoparticles prepared via the sol-gel method. Here, the main objective is to study the impact of copper doping on the crystalline structure of ZnO and to explore the composition dependent variations in opto-electronic properties. Synthesized ZnO nanoparticles were characterized by SEM, FTIR, UV–vis-nir, and Raman Spectroscopy. The structural and opto-electronic properties are further correlated using UV-vis-nir and high-resolution X- ray diffractometer data analysis. The size of synthesized nanoparticles are found in the range of 9.2 nm to 95.5 nm. Bandgaps are found both in the visible range (2.72 eV – 2.96 eV) as well as in the infrared regions (1.54 eV-1.58 eV). The transmittance of copper doped ZnO nanoparticles increases with increase in the doping concentrations.

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5th International Conference on Materials Science and Manufacturing Technology

Dielectric, Semiconductive and Conductive Materials

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Periodical:

Materials Science Forum (Volume 1099)

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93-108

DOI:

https://doi.org/10.4028/p-j2c87Y

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Online since:

October 2023

Authors:

Archana Kumari Singh, Khushi Singh, Satya Pal Singh*

Keywords:

Bandgap, Microstructure, Nano-Aggregates, Sol-Gel Technique

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© 2023 Trans Tech Publications Ltd. All Rights Reserved

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