Poly(Ethyleneimine) doping of cntfets: Effect of solvent and optimization of doping parameters

Yasasvi Gangavarapu, PR and Anjanashree, MR and Pahal, S and Varma, MM and Naik, AK (2019) Poly(Ethyleneimine) doping of cntfets: Effect of solvent and optimization of doping parameters. In: 19th International Workshop on Physics of Semiconductor Devices, IWPSD 2017, 11 - 15 December 2017, New Delhi, pp. 597-602.

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Abstract

Carbon Nanotube Field Effect Transistor (CNTFET) when doped with the polymer Poly(ethyleneimine) (PEI) changes its behaviour from p-type to n-type. The solvent used to disperse this polymer plays a very important role in doping process. In this work we report the effect of two solvents: Methanol and DI water. We observe that DI water solvent gives better electrical characteristics such as higher ON current and gives higher yield of n-type CNTFET devices. We have reported the optimization of both the doping time and the concentration of the polymer solution to get the higher yield of n-type CNTFETs.

Item Type:	Conference Paper
Publication:	Springer Proceedings in Physics
Publisher:	Springer Science and Business Media, LLC
Additional Information:	The copyright for this article belongs to Springer Science and Business Media, LLC.
Keywords:	Carbon nanotubes; Organic solvents; Semiconductor doping; Yarn, Carbon nano-tube field effect transistor (CNTFET); Doping parameters; Doping process; Effect of solvents; Electrical characteristic; Higher yield; Polyethyleneimine; Water solvents, Carbon nanotube field effect transistors
Department/Centre:	Division of Interdisciplinary Sciences > Centre for Nano Science and Engineering
Date Deposited:	18 Nov 2022 08:55
Last Modified:	18 Nov 2022 08:55
URI:	https://eprints.iisc.ac.in/id/eprint/77984

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