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The loading effect of Pt clusters on Pt/graphene nano sheets catalysts.


ABSTRACT: In this paper, we report about chemically interaction between Pt Subnano-Clusters on Graphene Nano Sheets (GNS). The aim of this research is to clarify the size effect of Pt clusters on Pt 1-7 wt.%/GNS. This research is an experimental laboratory research. GNS was synthesized by using modified Hummer's method and 1-7 wt.% Pt/GNS were prepared with impregnation method. Then, they were analyzed with TG/DTA, XRD, TEM and XPS, respectively. The results show that Pt clusters are well deposited on GNS (TG/DTA and TEM data). Those data also are consistent with XRD data. The weak and broad peaks appear at 2??=?39°, indicating Pt metal exists on GNS. The state of Pt is confirmed by using XPS. The appearance of Pt 4f. peaks proves that Pt metal is chemical interaction on GNS. The size of Pt clusters may affect the chemically properties of Pt/GNS catalysts.

SUBMITTER: Siburian R 

PROVIDER: S-EPMC7844224 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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The loading effect of Pt clusters on Pt/graphene nano sheets catalysts.

Siburian Rikson R   Ali Ab Malik Marwan AMM   Sebayang Kerista K   Supeno Minto M   Tarigan Kerista K   Simanjuntak Crystina C   Aritonang Sri Pratiwi SP   Hutagalung Fajar F  

Scientific reports 20210128 1


In this paper, we report about chemically interaction between Pt Subnano-Clusters on Graphene Nano Sheets (GNS). The aim of this research is to clarify the size effect of Pt clusters on Pt 1-7 wt.%/GNS. This research is an experimental laboratory research. GNS was synthesized by using modified Hummer's method and 1-7 wt.% Pt/GNS were prepared with impregnation method. Then, they were analyzed with TG/DTA, XRD, TEM and XPS, respectively. The results show that Pt clusters are well deposited on GNS  ...[more]

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