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Influence of Gold Nanoparticle Distribution on the Performance of Self-Powered Silicon Carbide Ultraviolet Photodetector

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Abstract:

This study presents a systematic investigation into the influence of gold nanoparticles on the performance of a self-powered metal-semiconductor-metal (MSM) 4H-SiC UV photodetector (SiC-UVPD), with a focus on the nonsymmetric contact phenomenon arising from differences in the contact areas of the gold electrode pair under 254 nm UV light exposure. The self-powered SiC-UVPD device exhibited a very good sensitivity of 9.34 x 104, great responsivity of 0.30 A/W, and excellent detectivity of 7.0 x 1011 cm. Hz1/2.W-1 under 254 nm UV light without any external power. In fact, the specific detectivity of the self-powered SiC-UVPD improved by 70 % following the application of Au nanoparticles. Self-powered photodetectors are desirable devices for green energy applications due to their unique advantages such as smaller footprints and wireless operation.

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Periodical:

Key Engineering Materials (Volume 1024)

Pages:

73-77

DOI:

https://doi.org/10.4028/p-hpc4bI

Citation:

Cite this paper

Online since:

September 2025

Authors:

Kasif Teker*, Mustafa Akif Yildirim, Tarik U. Teker

Keywords:

Au Nanoparticles, Plasmonics, Self-Powered Photodetectors, Sustainable Devices

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Creative Commons CC BY 4.0

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* - Corresponding Author

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