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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c00871
|2 doi
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|a pubmed24n1108.xml
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|a DE-627
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|a eng
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| 100 |
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|a Wee, Jae-Hyung
|e verfasserin
|4 aut
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|a Boron-Doped Edges as Active Sites for Water Adsorption in Activated Carbons
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 16.11.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Investigating the surface properties of heteroatom-doped carbon materials is essential because these versatile materials have found use in a variety of energy and environmental applications; an understanding of these properties would also lead to an improved appreciation of the direct interaction between the reactant and the functionalized surface. Herein, we explore the effect of boron (B) doping on the surface properties of activated carbon (AC) materials based on their water adsorption behavior and oxygen reduction reaction. In the high-temperature B doping process, B-doped AC materials at 1400 °C exhibit an open pore structure with B-O bonds, whereas at a temperature of 1600 °C, a nonporous structure containing a large amount of B-C bonds prevails. The B-O species act as active sites for water adsorption on the carbon surface. On the basis of the isothermal adsorption heat, we suggest that B atoms are present at the pore openings and on the surfaces. The B-O moieties at the open edges improve the electrocatalytic activity, whereas the B-C bonds at the closed edges decrease the electrocatalytic activity because of the stable structure of these bonds. Our findings provide new evidence for the electrocatalytic properties associated with the structure of B-doped edges
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|a Journal Article
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|a Kim, Chang Hyo
|e verfasserin
|4 aut
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|a Tojo, Tomohiro
|e verfasserin
|4 aut
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| 700 |
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|a Choi, Go Bong
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Cheol-Min
|e verfasserin
|4 aut
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|a Kim, Yoong Ahm
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 37(2021), 45 vom: 16. Nov., Seite 13179-13186
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:37
|g year:2021
|g number:45
|g day:16
|g month:11
|g pages:13179-13186
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|u http://dx.doi.org/10.1021/acs.langmuir.1c00871
|3 Volltext
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