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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c02938
|2 doi
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|a pubmed24n1166.xml
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|a (DE-627)NLM349819009
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|a (NLM)36469405
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Bairi, Partha
|e verfasserin
|4 aut
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1 |
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|a Effect of Pretreatment Conditions on the Precise Nanoporosity of Graphene Oxide
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 20.12.2022
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|a Date Revised 22.12.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Nanoscale pores in graphene oxide (GO) control various important functions. The nanoporosity of GO is sensitive to low-temperature heating. Therefore, it is important to carefully process GO and GO-based materials to achieve superior functions. Optimum pretreatment conditions, such as the pre-evacuation temperature and time, are important during gas adsorption in GO to obtain accurate pore structure information. This study demonstrated that the pre-evacuation temperature and time for gas adsorption in GO must be approximately 333-353 K and 4 h, respectively, to avoid the irreversible alteration of nanoporosity. In situ temperature-dependent Fourier-transform infrared spectra and thermogravimetric analysis-mass spectrometry suggested significant structural changes in GO above the pre-evacuation temperature (353 K) through the desorption of "physically adsorbed water" and decomposition of unstable surface functional groups. The nanoporosity of GO significantly changed above the aforementioned pre-evacuation temperature and time. Thus, standard pretreatment is indispensable for understanding the intrinsic interface properties of GO
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|a Journal Article
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1 |
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|a Furuse, Ayumi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fujisawa, Kazunori
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hayashi, Takuya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kaneko, Katsumi
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 38(2022), 50 vom: 20. Dez., Seite 15880-15886
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:38
|g year:2022
|g number:50
|g day:20
|g month:12
|g pages:15880-15886
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|u http://dx.doi.org/10.1021/acs.langmuir.2c02938
|3 Volltext
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|d 38
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|h 15880-15886
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