Plasma-Doped Si Nanosheets for Transistor and p-n Junction Application

Jaejun Lee, Juyoung Kwon, Dongjea Seo, Jukwan Na, Sangwon Park, Hyo Jung Lee, Seung Woo Lee, Ki Young Lee, Tae Eon Park, Heon Jin Choi

Research output: Contribution to journalArticle

Abstract

Since the discovery of graphene, layered transition metal dichalcogenides (TMDs) have been considered promising materials for applications in various fields because of their fascinating structural features and physical properties. Doping in semiconducting TMDs is essential for their practical application. In this regard, two-dimensional (2D) Si materials have emerged as a key component of 2D electronic, optics, sensing, and spintronic devices because of their complementary metal-oxide-semiconductor (CMOS) compatibility, high-quality oxide formation, moderated bandgap, and well-established doping techniques. Here, we report the tuning of the electronic properties of Si nanosheets (NSs) using a plasma-doping technique. Using this doping process, we fabricated p-n homojunction diodes and transistors with Si NSs. The estimated high ON/OFF ratio of 106 and field-effect hole mobility of 329 cm2 V-1 s-1 suggest a high crystal quality of the Si NSs. We also demonstrate vertically stacked heterostructured p-n junction diodes with MoS2, which exhibit rectifying properties and excellent light response.

Original languageEnglish
Pages (from-to)42512-42519
Number of pages8
JournalACS Applied Materials and Interfaces
Volume11
Issue number45
DOIs
Publication statusPublished - 2019 Nov 13

Fingerprint

Nanosheets
Transistors
Doping (additives)
Plasmas
Transition metals
Diodes
Magnetoelectronics
Hole mobility
Graphite
Electronic properties
Oxides
Graphene
Optics
Energy gap
Tuning
Physical properties
Metals
Crystals

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Lee, Jaejun ; Kwon, Juyoung ; Seo, Dongjea ; Na, Jukwan ; Park, Sangwon ; Lee, Hyo Jung ; Lee, Seung Woo ; Lee, Ki Young ; Park, Tae Eon ; Choi, Heon Jin. / Plasma-Doped Si Nanosheets for Transistor and p-n Junction Application. In: ACS Applied Materials and Interfaces. 2019 ; Vol. 11, No. 45. pp. 42512-42519.
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Lee, J, Kwon, J, Seo, D, Na, J, Park, S, Lee, HJ, Lee, SW, Lee, KY, Park, TE & Choi, HJ 2019, 'Plasma-Doped Si Nanosheets for Transistor and p-n Junction Application', ACS Applied Materials and Interfaces, vol. 11, no. 45, pp. 42512-42519. https://doi.org/10.1021/acsami.9b15616

Plasma-Doped Si Nanosheets for Transistor and p-n Junction Application. / Lee, Jaejun; Kwon, Juyoung; Seo, Dongjea; Na, Jukwan; Park, Sangwon; Lee, Hyo Jung; Lee, Seung Woo; Lee, Ki Young; Park, Tae Eon; Choi, Heon Jin.

In: ACS Applied Materials and Interfaces, Vol. 11, No. 45, 13.11.2019, p. 42512-42519.

Research output: Contribution to journalArticle

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AU - Lee, Hyo Jung

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AU - Choi, Heon Jin

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