Adsorption phenomena of tetracyano-p-quinodimethane on single-wall carbon nanohorns

Ryota Yuge; Masako Yudasaka; Alan Maigné; Mutsumi Tomonari; Jin Miyawaki; Yoshimi Kubo; Hideto Imai; Toshinari Ichihashi; Sumio Iyima

doi:10.1021/jp710873p

Adsorption phenomena of tetracyano-p-quinodimethane on single-wall carbon nanohorns

Ryota Yuge, Masako Yudasaka, Alan Maigné, Mutsumi Tomonari, Jin Miyawaki, Yoshimi Kubo, Hideto Imai, Toshinari Ichihashi, Sumio Iyima

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

13 Citations (Scopus)

Abstract

We studied the interaction of tetracyano-p-quinodimethane (TCNQ) with single-wall carbon nanohorns (SWNHs), single graphene-tubes with large diameters (2-5 nm), and noticed two interesting phenomena. One is that adsorbed quantities on the inside (0.08 g/g) and outside (0.13 g/g) of SWNH corresponded to about 20% and 60% of respective monolayer coverage, which did not increase even when the TCNQ was overdosed. The second is that Raman spectra suggested that the quinoid rings of TCNQ developed benzene-like character. The electron microscopy with electronic state analysis indicated that the charge transfers from SWNH to TCNQ. The theoretical calculations suggested that TCNQ was bended on the curved graphene of SWNHs, which mostly explained the unique characteristics of TCNQ adsorbed on SWNHs.

Original language	English
Pages (from-to)	5416-5422
Number of pages	7
Journal	Journal of Physical Chemistry C
Volume	112
Issue number	14
DOIs	https://doi.org/10.1021/jp710873p
Publication status	Published - Apr 10 2008
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Energy(all)
Physical and Theoretical Chemistry
Surfaces, Coatings and Films

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10.1021/jp710873p

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Adsorption phenomena of tetracyano-p-quinodimethane on single-wall carbon nanohorns. / Yuge, Ryota; Yudasaka, Masako; Maigné, Alan; Tomonari, Mutsumi; Miyawaki, Jin; Kubo, Yoshimi; Imai, Hideto; Ichihashi, Toshinari; Iyima, Sumio.

In: Journal of Physical Chemistry C, Vol. 112, No. 14, 10.04.2008, p. 5416-5422.

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

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abstract = "We studied the interaction of tetracyano-p-quinodimethane (TCNQ) with single-wall carbon nanohorns (SWNHs), single graphene-tubes with large diameters (2-5 nm), and noticed two interesting phenomena. One is that adsorbed quantities on the inside (0.08 g/g) and outside (0.13 g/g) of SWNH corresponded to about 20% and 60% of respective monolayer coverage, which did not increase even when the TCNQ was overdosed. The second is that Raman spectra suggested that the quinoid rings of TCNQ developed benzene-like character. The electron microscopy with electronic state analysis indicated that the charge transfers from SWNH to TCNQ. The theoretical calculations suggested that TCNQ was bended on the curved graphene of SWNHs, which mostly explained the unique characteristics of TCNQ adsorbed on SWNHs.",

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AU - Yuge, Ryota

AU - Yudasaka, Masako

AU - Maigné, Alan

AU - Tomonari, Mutsumi

AU - Miyawaki, Jin

AU - Kubo, Yoshimi

AU - Imai, Hideto

AU - Ichihashi, Toshinari

AU - Iyima, Sumio

PY - 2008/4/10

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N2 - We studied the interaction of tetracyano-p-quinodimethane (TCNQ) with single-wall carbon nanohorns (SWNHs), single graphene-tubes with large diameters (2-5 nm), and noticed two interesting phenomena. One is that adsorbed quantities on the inside (0.08 g/g) and outside (0.13 g/g) of SWNH corresponded to about 20% and 60% of respective monolayer coverage, which did not increase even when the TCNQ was overdosed. The second is that Raman spectra suggested that the quinoid rings of TCNQ developed benzene-like character. The electron microscopy with electronic state analysis indicated that the charge transfers from SWNH to TCNQ. The theoretical calculations suggested that TCNQ was bended on the curved graphene of SWNHs, which mostly explained the unique characteristics of TCNQ adsorbed on SWNHs.

AB - We studied the interaction of tetracyano-p-quinodimethane (TCNQ) with single-wall carbon nanohorns (SWNHs), single graphene-tubes with large diameters (2-5 nm), and noticed two interesting phenomena. One is that adsorbed quantities on the inside (0.08 g/g) and outside (0.13 g/g) of SWNH corresponded to about 20% and 60% of respective monolayer coverage, which did not increase even when the TCNQ was overdosed. The second is that Raman spectra suggested that the quinoid rings of TCNQ developed benzene-like character. The electron microscopy with electronic state analysis indicated that the charge transfers from SWNH to TCNQ. The theoretical calculations suggested that TCNQ was bended on the curved graphene of SWNHs, which mostly explained the unique characteristics of TCNQ adsorbed on SWNHs.

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Adsorption phenomena of tetracyano-p-quinodimethane on single-wall carbon nanohorns

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