Promoted Glycerol Oxidation Reaction in an Interface-Confined Hierarchically Structured Catalyst

Zhongxin Chen; Cuibo Liu; Xiaoxu Zhao; Huan Yan; Jing Li; Pin Lyu; Yonghua Du; Shibo Xi; Kai Chi; Xiao Chi; Haisen Xu; Xing Li; Wei Fu; Kai Leng; Stephen J. Pennycook; Shuai Wang; Kian Ping Loh

doi:10.1002/adma.201804763

Promoted Glycerol Oxidation Reaction in an Interface-Confined Hierarchically Structured Catalyst

Zhongxin Chen
, Cuibo Liu
, Xiaoxu Zhao
, Huan Yan
, Jing Li
, Pin Lyu
, Yonghua Du
, Shibo Xi
, Kai Chi
, Xiao Chi
, Haisen Xu
, Xing Li
, Wei Fu
, Kai Leng
, Stephen J. Pennycook
, Shuai Wang^*
, Kian Ping Loh

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

64 Citations (Scopus)

Abstract

Confined catalysis in a 2D system is of particular interest owing to the facet control of the catalysts and the anisotropic kinetics of reactants, which suppress side reactions and improve selectivity. Here, a 2D-confined system consisting of intercalated Pt nanosheets within few-layered graphene is demonstrated. The strong metal–substrate interaction between the Pt nanosheets and the graphene leads to the quasi-2D growth of Pt with a unique (100)/(111)/(100) faceted structure, thus providing excellent catalytic activity and selectivity toward one-carbon (C1) products for the glycerol oxidation reaction. A hierarchically porous graphene architecture, grown on carbon cloth, is used to fabricate the confined catalyst bed in order to enhance the mass-diffusion limitation in interface-confined reactions. Owing to its unique 3D porous structure, this graphene-confined Pt catalyst exhibits an extraordinary mass activity of 2910 mA mg<sub>Pt</sub> <sup>−1</sup> together with a formate selectivity of 79% at 60 °C. This paves the way toward rational designs of heterogeneous catalysts for energy-related applications. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Original language	English
Article number	1804763
Journal	Advanced Materials
Volume	31
Issue number	2
DOIs	https://doi.org/10.1002/adma.201804763
Publication status	Published - 11 Jan 2019
Externally published	Yes

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Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Research Keywords

confined catalysis
electrocatalysis
glycerol oxidation
graphene
platinum nanosheets

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10.1002/adma.201804763

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@article{85473c6dfb21482b9bfdaddc32f2e6ad,

title = "Promoted Glycerol Oxidation Reaction in an Interface-Confined Hierarchically Structured Catalyst",

abstract = "Confined catalysis in a 2D system is of particular interest owing to the facet control of the catalysts and the anisotropic kinetics of reactants, which suppress side reactions and improve selectivity. Here, a 2D-confined system consisting of intercalated Pt nanosheets within few-layered graphene is demonstrated. The strong metal–substrate interaction between the Pt nanosheets and the graphene leads to the quasi-2D growth of Pt with a unique (100)/(111)/(100) faceted structure, thus providing excellent catalytic activity and selectivity toward one-carbon (C1) products for the glycerol oxidation reaction. A hierarchically porous graphene architecture, grown on carbon cloth, is used to fabricate the confined catalyst bed in order to enhance the mass-diffusion limitation in interface-confined reactions. Owing to its unique 3D porous structure, this graphene-confined Pt catalyst exhibits an extraordinary mass activity of 2910 mA mgPt −1 together with a formate selectivity of 79\% at 60 °C. This paves the way toward rational designs of heterogeneous catalysts for energy-related applications. {\textcopyright} 2018 WILEY-VCH Verlag GmbH \& Co. KGaA, Weinheim",

keywords = "confined catalysis, electrocatalysis, glycerol oxidation, graphene, platinum nanosheets",

author = "Zhongxin Chen and Cuibo Liu and Xiaoxu Zhao and Huan Yan and Jing Li and Pin Lyu and Yonghua Du and Shibo Xi and Kai Chi and Xiao Chi and Haisen Xu and Xing Li and Wei Fu and Kai Leng and Pennycook, \{Stephen J.\} and Shuai Wang and Loh, \{Kian Ping\}",

note = "Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].",

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doi = "10.1002/adma.201804763",

language = "English",

volume = "31",

journal = "Advanced Materials",

issn = "0935-9648",

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TY - JOUR

T1 - Promoted Glycerol Oxidation Reaction in an Interface-Confined Hierarchically Structured Catalyst

AU - Chen, Zhongxin

AU - Liu, Cuibo

AU - Zhao, Xiaoxu

AU - Yan, Huan

AU - Li, Jing

AU - Lyu, Pin

AU - Du, Yonghua

AU - Xi, Shibo

AU - Chi, Kai

AU - Chi, Xiao

AU - Xu, Haisen

AU - Li, Xing

AU - Fu, Wei

AU - Leng, Kai

AU - Pennycook, Stephen J.

AU - Wang, Shuai

AU - Loh, Kian Ping

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

PY - 2019/1/11

Y1 - 2019/1/11

N2 - Confined catalysis in a 2D system is of particular interest owing to the facet control of the catalysts and the anisotropic kinetics of reactants, which suppress side reactions and improve selectivity. Here, a 2D-confined system consisting of intercalated Pt nanosheets within few-layered graphene is demonstrated. The strong metal–substrate interaction between the Pt nanosheets and the graphene leads to the quasi-2D growth of Pt with a unique (100)/(111)/(100) faceted structure, thus providing excellent catalytic activity and selectivity toward one-carbon (C1) products for the glycerol oxidation reaction. A hierarchically porous graphene architecture, grown on carbon cloth, is used to fabricate the confined catalyst bed in order to enhance the mass-diffusion limitation in interface-confined reactions. Owing to its unique 3D porous structure, this graphene-confined Pt catalyst exhibits an extraordinary mass activity of 2910 mA mgPt −1 together with a formate selectivity of 79% at 60 °C. This paves the way toward rational designs of heterogeneous catalysts for energy-related applications. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

AB - Confined catalysis in a 2D system is of particular interest owing to the facet control of the catalysts and the anisotropic kinetics of reactants, which suppress side reactions and improve selectivity. Here, a 2D-confined system consisting of intercalated Pt nanosheets within few-layered graphene is demonstrated. The strong metal–substrate interaction between the Pt nanosheets and the graphene leads to the quasi-2D growth of Pt with a unique (100)/(111)/(100) faceted structure, thus providing excellent catalytic activity and selectivity toward one-carbon (C1) products for the glycerol oxidation reaction. A hierarchically porous graphene architecture, grown on carbon cloth, is used to fabricate the confined catalyst bed in order to enhance the mass-diffusion limitation in interface-confined reactions. Owing to its unique 3D porous structure, this graphene-confined Pt catalyst exhibits an extraordinary mass activity of 2910 mA mgPt −1 together with a formate selectivity of 79% at 60 °C. This paves the way toward rational designs of heterogeneous catalysts for energy-related applications. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

KW - confined catalysis

KW - electrocatalysis

KW - glycerol oxidation

KW - graphene

KW - platinum nanosheets

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U2 - 10.1002/adma.201804763

DO - 10.1002/adma.201804763

M3 - RGC 21 - Publication in refereed journal

C2 - 30412314

SN - 0935-9648

VL - 31

JO - Advanced Materials

JF - Advanced Materials

IS - 2

M1 - 1804763

ER -

Promoted Glycerol Oxidation Reaction in an Interface-Confined Hierarchically Structured Catalyst

Abstract

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