Comparison of chemical vapor sensing properties between graphene and carbon nanotubes

Hyung Goo Park; Sukju Hwang; Juhwan Lim; Duck Hwan Kim; In Sang Song; Jae Hun Kim; Deok Ha Woo; Seok Lee Woo; Seong Chan Jun

doi:10.1143/JJAP.51.045101

Comparison of chemical vapor sensing properties between graphene and carbon nanotubes

Hyung Goo Park, Sukju Hwang, Juhwan Lim, Duck Hwan Kim, In Sang Song, Jae Hun Kim, Deok Ha Woo, Seok Lee Woo, Seong Chan Jun

Department of Mechanical Engineering

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

14 Citations (Scopus)

Abstract

We demonstrated the chemical-vapor sensing properties of graphene and carbon nanotubes (CNTs) by comparing their performances based on the two-dimensional exposure ratio. In order to implement the gas sensing, two kinds of sensors were properly prepared via the highly oriented pyrolytic graphite (HOPG) and CNT-dispersing methods, which cover different sensing area each other. Although the area of graphene is three times smaller than that of CNTs, the excellent sensing performance of graphene in the various concentration of the target gas is shown in terms of the sensitivity, the reactivity, and response time. We concluded this experimental result by focusing on the surface to volume ratio.

Original language	English
Article number	045101
Journal	Japanese journal of applied physics
Volume	51
Issue number	4 PART 1
DOIs	https://doi.org/10.1143/JJAP.51.045101
Publication status	Published - 2012 Apr

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

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10.1143/JJAP.51.045101

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title = "Comparison of chemical vapor sensing properties between graphene and carbon nanotubes",

abstract = "We demonstrated the chemical-vapor sensing properties of graphene and carbon nanotubes (CNTs) by comparing their performances based on the two-dimensional exposure ratio. In order to implement the gas sensing, two kinds of sensors were properly prepared via the highly oriented pyrolytic graphite (HOPG) and CNT-dispersing methods, which cover different sensing area each other. Although the area of graphene is three times smaller than that of CNTs, the excellent sensing performance of graphene in the various concentration of the target gas is shown in terms of the sensitivity, the reactivity, and response time. We concluded this experimental result by focusing on the surface to volume ratio.",

author = "Park, {Hyung Goo} and Sukju Hwang and Juhwan Lim and Kim, {Duck Hwan} and Song, {In Sang} and Kim, {Jae Hun} and Woo, {Deok Ha} and Woo, {Seok Lee} and Jun, {Seong Chan}",

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Comparison of chemical vapor sensing properties between graphene and carbon nanotubes. / Park, Hyung Goo; Hwang, Sukju; Lim, Juhwan; Kim, Duck Hwan; Song, In Sang; Kim, Jae Hun; Woo, Deok Ha; Woo, Seok Lee; Jun, Seong Chan.

In: Japanese journal of applied physics, Vol. 51, No. 4 PART 1, 045101, 04.2012.

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

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AU - Hwang, Sukju

AU - Lim, Juhwan

AU - Kim, Duck Hwan

AU - Song, In Sang

AU - Kim, Jae Hun

AU - Woo, Deok Ha

AU - Woo, Seok Lee

AU - Jun, Seong Chan

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AB - We demonstrated the chemical-vapor sensing properties of graphene and carbon nanotubes (CNTs) by comparing their performances based on the two-dimensional exposure ratio. In order to implement the gas sensing, two kinds of sensors were properly prepared via the highly oriented pyrolytic graphite (HOPG) and CNT-dispersing methods, which cover different sensing area each other. Although the area of graphene is three times smaller than that of CNTs, the excellent sensing performance of graphene in the various concentration of the target gas is shown in terms of the sensitivity, the reactivity, and response time. We concluded this experimental result by focusing on the surface to volume ratio.

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Comparison of chemical vapor sensing properties between graphene and carbon nanotubes

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