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Charge Transport in 2D DNA Tunnel Junction Diodes
Small ( IF 13.0 ) Pub Date : 2017-11-06 , DOI: 10.1002/smll.201703006 Minho Yoon 1 , Sung-Wook Min 1 , Sreekantha Reddy Dugasani 2 , Yong Uk Lee 3 , Min Suk Oh 4 , Thomas D. Anthopoulos 5 , Sung Ha Park 2 , Seongil Im 1
Small ( IF 13.0 ) Pub Date : 2017-11-06 , DOI: 10.1002/smll.201703006 Minho Yoon 1 , Sung-Wook Min 1 , Sreekantha Reddy Dugasani 2 , Yong Uk Lee 3 , Min Suk Oh 4 , Thomas D. Anthopoulos 5 , Sung Ha Park 2 , Seongil Im 1
Affiliation
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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.
中文翻译：
2D DNA隧道结二极管中的电荷传输
近年来，脱氧核糖核酸（DNA）因其固有的优势（如自然饱满度，生物降解性，生物功能性和低成本）而被研究用于电子学。但是，由于其固有的绝缘特性，其应用仅限于无源组件。在本报告中，提出了具有Au / DNA / NiO x结的金属-绝缘体-金属隧道二极管。通过DNA分子的自对准过程，合成了2D DNA纳米片并将其用作隧穿势垒和半透明的导电氧化物（NiO x）用作解决金属渗透问题的顶部电极。该分子器件可以成功地用作非谐振隧穿二极管，并且温度可变电流-电压分析证明Fowler-Nordheim隧穿是结点的主要传导机制。基于DNA的隧穿设备似乎是使用生物分子的纳米电子技术的有希望的原型。
更新日期：2017-11-06
中文翻译：
2D DNA隧道结二极管中的电荷传输
近年来，脱氧核糖核酸（DNA）因其固有的优势（如自然饱满度，生物降解性，生物功能性和低成本）而被研究用于电子学。但是，由于其固有的绝缘特性，其应用仅限于无源组件。在本报告中，提出了具有Au / DNA / NiO x结的金属-绝缘体-金属隧道二极管。通过DNA分子的自对准过程，合成了2D DNA纳米片并将其用作隧穿势垒和半透明的导电氧化物（NiO x）用作解决金属渗透问题的顶部电极。该分子器件可以成功地用作非谐振隧穿二极管，并且温度可变电流-电压分析证明Fowler-Nordheim隧穿是结点的主要传导机制。基于DNA的隧穿设备似乎是使用生物分子的纳米电子技术的有希望的原型。
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