Electrical transport properties of fullerene peapods interacting with light

Y. F. Li; Toshiro Kaneko; R. Hatakeyama

doi:10.1088/0957-4484/19/41/415201

Electrical transport properties of fullerene peapods interacting with light

Y. F. Li, Toshiro Kaneko, R. Hatakeyama

ENG - Electronic Engineering

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

24 Citations (Scopus)

Abstract

In this paper, we investigate the transport properties of field-effect transistors (FETs) based on various kinds of fullerene (C₆₀, C ₇₀, and C₈₄) peapods. The encapsulation of various fullerenes inside single-walled carbon nanotubes (SWNTs) is characterized by TEM and Raman spectroscopy. Our results indicate that the transport characteristics of p-type SWNTs are extremely sensitive to the encapsulation of various kinds of fullerene. In the absence of light illumination, the threshold voltage of p-type SWNTs shifts towards positive values after C₆₀ and C ₇₀ encapsulation, and ambipolar transport characteristics are observed for C₈₄ peapods. The photoinduced electron transfer phenomenon is observed for fullerene peapods under light illumination. The optical response for C₆₀ and C₇₀ peapod FET devices is reflected in a shift of threshold voltage towards negative values, and a recoverable characteristic is observed when light is off. After a long period of light illumination, in contrast to p-type C₆₀ and C₇₀ peapods, an n-type transport characteristic is observed on C₈₄ peapods.

Original language	English
Article number	415201
Journal	Nanotechnology
Volume	19
Issue number	41
DOIs	https://doi.org/10.1088/0957-4484/19/41/415201
Publication status	Published - 2008 Oct 15

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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title = "Electrical transport properties of fullerene peapods interacting with light",

abstract = "In this paper, we investigate the transport properties of field-effect transistors (FETs) based on various kinds of fullerene (C60, C 70, and C84) peapods. The encapsulation of various fullerenes inside single-walled carbon nanotubes (SWNTs) is characterized by TEM and Raman spectroscopy. Our results indicate that the transport characteristics of p-type SWNTs are extremely sensitive to the encapsulation of various kinds of fullerene. In the absence of light illumination, the threshold voltage of p-type SWNTs shifts towards positive values after C60 and C 70 encapsulation, and ambipolar transport characteristics are observed for C84 peapods. The photoinduced electron transfer phenomenon is observed for fullerene peapods under light illumination. The optical response for C60 and C70 peapod FET devices is reflected in a shift of threshold voltage towards negative values, and a recoverable characteristic is observed when light is off. After a long period of light illumination, in contrast to p-type C60 and C70 peapods, an n-type transport characteristic is observed on C84 peapods.",

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N2 - In this paper, we investigate the transport properties of field-effect transistors (FETs) based on various kinds of fullerene (C60, C 70, and C84) peapods. The encapsulation of various fullerenes inside single-walled carbon nanotubes (SWNTs) is characterized by TEM and Raman spectroscopy. Our results indicate that the transport characteristics of p-type SWNTs are extremely sensitive to the encapsulation of various kinds of fullerene. In the absence of light illumination, the threshold voltage of p-type SWNTs shifts towards positive values after C60 and C 70 encapsulation, and ambipolar transport characteristics are observed for C84 peapods. The photoinduced electron transfer phenomenon is observed for fullerene peapods under light illumination. The optical response for C60 and C70 peapod FET devices is reflected in a shift of threshold voltage towards negative values, and a recoverable characteristic is observed when light is off. After a long period of light illumination, in contrast to p-type C60 and C70 peapods, an n-type transport characteristic is observed on C84 peapods.

AB - In this paper, we investigate the transport properties of field-effect transistors (FETs) based on various kinds of fullerene (C60, C 70, and C84) peapods. The encapsulation of various fullerenes inside single-walled carbon nanotubes (SWNTs) is characterized by TEM and Raman spectroscopy. Our results indicate that the transport characteristics of p-type SWNTs are extremely sensitive to the encapsulation of various kinds of fullerene. In the absence of light illumination, the threshold voltage of p-type SWNTs shifts towards positive values after C60 and C 70 encapsulation, and ambipolar transport characteristics are observed for C84 peapods. The photoinduced electron transfer phenomenon is observed for fullerene peapods under light illumination. The optical response for C60 and C70 peapod FET devices is reflected in a shift of threshold voltage towards negative values, and a recoverable characteristic is observed when light is off. After a long period of light illumination, in contrast to p-type C60 and C70 peapods, an n-type transport characteristic is observed on C84 peapods.

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Electrical transport properties of fullerene peapods interacting with light

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