Determination of individual contact interfaces in carbon nanotube network-based transistors

Abstract Carbon nanotubes (CNTs) used as semiconducting channels induce high mobility, thermal conductivity, mechanical flexibility, and chemical stability in field-effect, thin-film transistors (TFTs). However, the contact interfaces in CNT-TFTs have contact resistances that are difficult to reduce...

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Autores principales:	Jinsu Yoon, Meehyun Lim, Bongsik Choi, Dong Myong Kim, Dae Hwan Kim, Sungho Kim, Sung-Jin Choi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d1f4dcb6890b429380cbbc7697630043
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spelling	oai:doaj.org-article:d1f4dcb6890b429380cbbc76976300432021-12-02T12:32:50ZDetermination of individual contact interfaces in carbon nanotube network-based transistors10.1038/s41598-017-05653-x2045-2322https://doaj.org/article/d1f4dcb6890b429380cbbc76976300432017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-05653-xhttps://doaj.org/toc/2045-2322Abstract Carbon nanotubes (CNTs) used as semiconducting channels induce high mobility, thermal conductivity, mechanical flexibility, and chemical stability in field-effect, thin-film transistors (TFTs). However, the contact interfaces in CNT-TFTs have contact resistances that are difficult to reduce; this contact resistance can eventually limit the overall performance of CNT-TFTs. The contact interface between the source/drain electrodes and CNTs, especially for those CNT-TFTs in which the channel comprises randomly networked CNTs, plays a particularly dominant role in determining the performance and degree of variability in CNT-TFTs. However, no studies have reported a determination method that individually extracts each contact resistance at the source/drain electrodes. The present work presents an efficient method for directly determining the contact interfaces in CNT-TFTs by extracting each contact resistance produced at the source (R S ) and drain (R D ) electrodes. Moreover, we comprehensively simulated the randomly networked CNTs using an in-depth Monte-Carlo method, which provides an efficient method for visualizing the uniformity of a CNT network with various controllable CNT parameters. The proposed method provides guidance and a means for optimizing the design of the CNT network channel in CNT-TFTs and additional insights into improving the performance of CNT-TFTs.Jinsu YoonMeehyun LimBongsik ChoiDong Myong KimDae Hwan KimSungho KimSung-Jin ChoiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jinsu Yoon Meehyun Lim Bongsik Choi Dong Myong Kim Dae Hwan Kim Sungho Kim Sung-Jin Choi Determination of individual contact interfaces in carbon nanotube network-based transistors
description	Abstract Carbon nanotubes (CNTs) used as semiconducting channels induce high mobility, thermal conductivity, mechanical flexibility, and chemical stability in field-effect, thin-film transistors (TFTs). However, the contact interfaces in CNT-TFTs have contact resistances that are difficult to reduce; this contact resistance can eventually limit the overall performance of CNT-TFTs. The contact interface between the source/drain electrodes and CNTs, especially for those CNT-TFTs in which the channel comprises randomly networked CNTs, plays a particularly dominant role in determining the performance and degree of variability in CNT-TFTs. However, no studies have reported a determination method that individually extracts each contact resistance at the source/drain electrodes. The present work presents an efficient method for directly determining the contact interfaces in CNT-TFTs by extracting each contact resistance produced at the source (R S ) and drain (R D ) electrodes. Moreover, we comprehensively simulated the randomly networked CNTs using an in-depth Monte-Carlo method, which provides an efficient method for visualizing the uniformity of a CNT network with various controllable CNT parameters. The proposed method provides guidance and a means for optimizing the design of the CNT network channel in CNT-TFTs and additional insights into improving the performance of CNT-TFTs.
format	article
author	Jinsu Yoon Meehyun Lim Bongsik Choi Dong Myong Kim Dae Hwan Kim Sungho Kim Sung-Jin Choi
author_facet	Jinsu Yoon Meehyun Lim Bongsik Choi Dong Myong Kim Dae Hwan Kim Sungho Kim Sung-Jin Choi
author_sort	Jinsu Yoon
title	Determination of individual contact interfaces in carbon nanotube network-based transistors
title_short	Determination of individual contact interfaces in carbon nanotube network-based transistors
title_full	Determination of individual contact interfaces in carbon nanotube network-based transistors
title_fullStr	Determination of individual contact interfaces in carbon nanotube network-based transistors
title_full_unstemmed	Determination of individual contact interfaces in carbon nanotube network-based transistors
title_sort	determination of individual contact interfaces in carbon nanotube network-based transistors
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/d1f4dcb6890b429380cbbc7697630043
work_keys_str_mv	AT jinsuyoon determinationofindividualcontactinterfacesincarbonnanotubenetworkbasedtransistors AT meehyunlim determinationofindividualcontactinterfacesincarbonnanotubenetworkbasedtransistors AT bongsikchoi determinationofindividualcontactinterfacesincarbonnanotubenetworkbasedtransistors AT dongmyongkim determinationofindividualcontactinterfacesincarbonnanotubenetworkbasedtransistors AT daehwankim determinationofindividualcontactinterfacesincarbonnanotubenetworkbasedtransistors AT sunghokim determinationofindividualcontactinterfacesincarbonnanotubenetworkbasedtransistors AT sungjinchoi determinationofindividualcontactinterfacesincarbonnanotubenetworkbasedtransistors
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Determination of individual contact interfaces in carbon nanotube network-based transistors

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