Tuning of electrical characteristics in networked carbon nanotube field-effect transistors using thiolated molecules

Chun Wei Lee; Keke Zhang; H. Tantang; Anup Lohani; S. G. Mhaisalkar; Lain Jong Li; T. Nagahiro; K. Tamada; Y. Chen

doi:10.1063/1.2772181

Tuning of electrical characteristics in networked carbon nanotube field-effect transistors using thiolated molecules

Chun Wei Lee^*, Keke Zhang, H. Tantang, Anup Lohani, S. G. Mhaisalkar, Lain Jong Li, T. Nagahiro, K. Tamada, Y. Chen

^*Corresponding author for this work

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

26 Scopus citations

Abstract

The authors examine the effects of adsorption of four thiolated molecules (HS- C10 H21, HS- C11 H22 OH, HS- C10 H20 COOH, and HS- C2 H4 C4 F9) on the electrical characteristics of single-walled carbon nanotube network FETs (SNFETs). Work function of the electrodes was measured before and after molecule adsorption. Schottky barrier energy extraction for SNFETs was also performed and the results provide direct evidence that the device characteristics of SNFETs after SAM adsorption are altered primarily due to the change in energy-level alignment between the Au and SWNTs, which thus provides an effective methodology for the tuning and performance optimization of these devices in a controllable way.

Original language	English (US)
Article number	103515
Journal	Applied Physics Letters
Volume	91
Issue number	10
DOIs	https://doi.org/10.1063/1.2772181
State	Published - 2007
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Tuning of electrical characteristics in networked carbon nanotube field-effect transistors using thiolated molecules",

abstract = "The authors examine the effects of adsorption of four thiolated molecules (HS- C10 H21, HS- C11 H22 OH, HS- C10 H20 COOH, and HS- C2 H4 C4 F9) on the electrical characteristics of single-walled carbon nanotube network FETs (SNFETs). Work function of the electrodes was measured before and after molecule adsorption. Schottky barrier energy extraction for SNFETs was also performed and the results provide direct evidence that the device characteristics of SNFETs after SAM adsorption are altered primarily due to the change in energy-level alignment between the Au and SWNTs, which thus provides an effective methodology for the tuning and performance optimization of these devices in a controllable way.",

author = "Lee, {Chun Wei} and Keke Zhang and H. Tantang and Anup Lohani and Mhaisalkar, {S. G.} and Li, {Lain Jong} and T. Nagahiro and K. Tamada and Y. Chen",

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doi = "10.1063/1.2772181",

language = "English (US)",

volume = "91",

journal = "Applied Physics Letters",

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T1 - Tuning of electrical characteristics in networked carbon nanotube field-effect transistors using thiolated molecules

AU - Lee, Chun Wei

AU - Zhang, Keke

AU - Tantang, H.

AU - Lohani, Anup

AU - Mhaisalkar, S. G.

AU - Li, Lain Jong

AU - Nagahiro, T.

AU - Tamada, K.

AU - Chen, Y.

PY - 2007

Y1 - 2007

N2 - The authors examine the effects of adsorption of four thiolated molecules (HS- C10 H21, HS- C11 H22 OH, HS- C10 H20 COOH, and HS- C2 H4 C4 F9) on the electrical characteristics of single-walled carbon nanotube network FETs (SNFETs). Work function of the electrodes was measured before and after molecule adsorption. Schottky barrier energy extraction for SNFETs was also performed and the results provide direct evidence that the device characteristics of SNFETs after SAM adsorption are altered primarily due to the change in energy-level alignment between the Au and SWNTs, which thus provides an effective methodology for the tuning and performance optimization of these devices in a controllable way.

AB - The authors examine the effects of adsorption of four thiolated molecules (HS- C10 H21, HS- C11 H22 OH, HS- C10 H20 COOH, and HS- C2 H4 C4 F9) on the electrical characteristics of single-walled carbon nanotube network FETs (SNFETs). Work function of the electrodes was measured before and after molecule adsorption. Schottky barrier energy extraction for SNFETs was also performed and the results provide direct evidence that the device characteristics of SNFETs after SAM adsorption are altered primarily due to the change in energy-level alignment between the Au and SWNTs, which thus provides an effective methodology for the tuning and performance optimization of these devices in a controllable way.

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U2 - 10.1063/1.2772181

DO - 10.1063/1.2772181

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JO - Applied Physics Letters

JF - Applied Physics Letters

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Tuning of electrical characteristics in networked carbon nanotube field-effect transistors using thiolated molecules

Abstract

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