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|a 10.1021/acs.langmuir.1c01248
|2 doi
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|a eng
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|a Kobashi, Kazufumi
|e verfasserin
|4 aut
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|a N2 Gas Adsorption Sites of Single-Walled Carbon Nanotube Bundles
|b Identifying Interstitial Channels at Very Low Relative Pressure
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|c 2021
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 03.08.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Utilizing the nanoscale space created by carbon nanotubes (CNTs) is of importance for applications like energy storage devices, sensors, and functional materials. Gas adsorption is a versatile, quantitative characterization method to analyze nanoscale pore sizes and volumes. Here, we inspected N2 adsorption to the nanospace formed by the bundles of single-walled CNTs with an average nanotube diameter of ca. 2.0 nm and its distributions of 0.7-4.1 nm. Based on comparisons among the as-grown, purified (opened), and heat-treated (closed) CNTs with similar geometric bundle structures, we found that the interstitial channels emerged from a very low relative pressure of approximately 10-8 by removing the impurities from the CNT bundles, which is the first empirical demonstration. These findings can not only be utilized to understand the structures of CNT films, fibers, and bulks but also applied to porous materials science
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|a Journal Article
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|a Iizumi, Yoko
|e verfasserin
|4 aut
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|a Muroga, Shun
|e verfasserin
|4 aut
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|a Morimoto, Takahiro
|e verfasserin
|4 aut
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|a Okazaki, Toshiya
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 37(2021), 30 vom: 03. Aug., Seite 9144-9150
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|g volume:37
|g year:2021
|g number:30
|g day:03
|g month:08
|g pages:9144-9150
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|u http://dx.doi.org/10.1021/acs.langmuir.1c01248
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