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Nanowire geometry effects on devices and transport mechanisms: SnS2/SiNW heterojunction
Date
2023-10-01
Author
COŞKUN, EMRE
Emir, Cansu
TERLEMEZOĞLU BİLMİŞ, MAKBULE
Parlak, Mehmet
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The semiconductor nanowire technology has become essential in developing more complex and efficient devices. In this study, the Si nanowire (SiNW) heterojunction structure with a two-dimensional SnS2 thin film was investigated. The SiNW array was created by the metal-assisted etching method because of length control and production over large areas of nanowires. The created SiNW has more diminishing reflectivity compared with Si planar substrate. The diode characteristics of SnS2/SiNW and SnS2/Si planar heterojunctions were investigated by dark current analysis at room temperature, and the improving diode characteristics by the three-dimensional interface between SiNW and SnS2 thin film were discussed. Transport mechanisms of the SiNW heterojunction were also studied for various methods. Thermionic emission and thermally assisted tunneling models are the dominant mechanisms for low voltages (0.02–0.20 V), and the space charge limiting current mechanism dominates the current for comparingly high voltages (0.20–0.40 V). All the values reveal the significant impact of the SiNW on heterojunctions for improving efficiency.
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85173483945&origin=inward
https://hdl.handle.net/11511/105714
Journal
Journal of Materials Science
DOI
https://doi.org/10.1007/s10853-023-08891-9
Collections
Department of Physics, Article
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BibTeX
E. COŞKUN, C. Emir, M. TERLEMEZOĞLU BİLMİŞ, and M. Parlak, “Nanowire geometry effects on devices and transport mechanisms: SnS2/SiNW heterojunction,”
Journal of Materials Science
, vol. 58, no. 38, pp. 15132–15143, 2023, Accessed: 00, 2023. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85173483945&origin=inward.