Charge Transport in 2D DNA Tunnel Junction Diodes

Minho Yoon; Sung Wook Min; Sreekantha Reddy Dugasani; Yong Uk Lee; Min Suk Oh; Thomas D. Anthopoulos; Sung Ha Park; Seongil Im

doi:10.1002/smll.201703006

Charge Transport in 2D DNA Tunnel Junction Diodes

Minho Yoon, Sung Wook Min, Sreekantha Reddy Dugasani, Yong Uk Lee, Min Suk Oh, Thomas D. Anthopoulos, Sung Ha Park, Seongil Im

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Recently, deoxyribonucleic acid (DNA) is studied for electronics due to its intrinsic benefits such as its natural plenitude, biodegradability, biofunctionality, and low-cost. However, its applications are limited to passive components because of inherent insulating properties. In this report, a metal–insulator–metal tunnel diode with Au/DNA/NiO_x junctions is presented. Through the self-aligning process of DNA molecules, a 2D DNA nanosheet is synthesized and used as a tunneling barrier, and semitransparent conducting oxide (NiO_x) is applied as a top electrode for resolving metal penetration issues. This molecular device successfully operates as a nonresonant tunneling diode, and temperature-variable current–voltage analysis proves that Fowler–Nordheim tunneling is a dominant conduction mechanism at the junctions. DNA-based tunneling devices appear to be promising prototypes for nanoelectronics using biomolecules.

Original language	English
Article number	1703006
Journal	Small
Volume	13
Issue number	48
DOIs	https://doi.org/10.1002/smll.201703006
Publication status	Published - 2017 Dec 27

Bibliographical note

Funding Information:
M.Y. and S.-W.M. contributed equally to this work. The authors acknowledge the financial support from NRF (NRL program: Grant No. 2017R1A2A1A05001278, SRC program: Grant No. 2017R1A5A1014862, vdWMRC center), and from Nano Material Technology Development Program: Grant no. 2012M3A7B4049801. This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2017R1A6A3A11034195).

Publisher Copyright:
© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Biotechnology
Biomaterials

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10.1002/smll.201703006

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title = "Charge Transport in 2D DNA Tunnel Junction Diodes",

abstract = "Recently, deoxyribonucleic acid (DNA) is studied for electronics due to its intrinsic benefits such as its natural plenitude, biodegradability, biofunctionality, and low-cost. However, its applications are limited to passive components because of inherent insulating properties. In this report, a metal–insulator–metal tunnel diode with Au/DNA/NiOx junctions is presented. Through the self-aligning process of DNA molecules, a 2D DNA nanosheet is synthesized and used as a tunneling barrier, and semitransparent conducting oxide (NiOx) is applied as a top electrode for resolving metal penetration issues. This molecular device successfully operates as a nonresonant tunneling diode, and temperature-variable current–voltage analysis proves that Fowler–Nordheim tunneling is a dominant conduction mechanism at the junctions. DNA-based tunneling devices appear to be promising prototypes for nanoelectronics using biomolecules.",

author = "Minho Yoon and Min, {Sung Wook} and Dugasani, {Sreekantha Reddy} and Lee, {Yong Uk} and Oh, {Min Suk} and Anthopoulos, {Thomas D.} and Park, {Sung Ha} and Seongil Im",

note = "Funding Information: M.Y. and S.-W.M. contributed equally to this work. The authors acknowledge the financial support from NRF (NRL program: Grant No. 2017R1A2A1A05001278, SRC program: Grant No. 2017R1A5A1014862, vdWMRC center), and from Nano Material Technology Development Program: Grant no. 2012M3A7B4049801. This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2017R1A6A3A11034195). Publisher Copyright: {\textcopyright} 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

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AU - Anthopoulos, Thomas D.

AU - Park, Sung Ha

AU - Im, Seongil

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Charge Transport in 2D DNA Tunnel Junction Diodes

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