Origin of the Robust Catalytic Performance of Nanodiamond Graphene-Supported Pt Nanoparticles Used in the Propane Dehydrogenation Reaction - Details

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Abstract：

Nanocarbon-supported　Pt　nanoparticles　(NPs)　were　prepared　and　tested　for　the　propane　dehydrogenation　reaction　(PDH).　The　nanocarbon　support　is　composed　of　a　nanodiamond　core　and　a　defective,　ultrathin　graphene　nanoshell　(ND@G).　The　Pt/ND@G　catalyst　experienced　slight　deactivation　during　the　100　h　PDH　test,　while　the　Pt/Al2O3　catalyst　showed　severe　deactivation　after　the　20　h　PDH　test.　Pt　NPs　exhibited　superior　sintering　resistance　versus　that　of　the　ND@G　support.　This　particular　support　structure　of　ND@G　allows　electrons　on　the　defects　to　transfer　to　the　Pt　NPs,　leading　to　a　strong　metal-support　interaction,　which　significantly　prevents　Pt　NP　sintering　and　promotes　the　desorption　of　electron-rich　propylene.　This　electron　transfer　mechanism　was　also　confirmed　by　a　CO　catalytic　oxidation　test.

Keyword：

CO oxidation electron transfer graphene metal-support interactions stability

Community：

[ 1 ] [Liu, Jie]Fuzhou Univ, Sch Chem Engn, 2 Xueyuan Rd, Fuzhou 350116, Peoples R China
[ 2 ] [Yue, Yuanyuan]Fuzhou Univ, Sch Chem Engn, 2 Xueyuan Rd, Fuzhou 350116, Peoples R China
[ 3 ] [Liu, Jie]Sinopec, Res Inst Petr Proc, 18 Xueyuan Rd, Beijing 100083, Peoples R China
[ 4 ] [Da, Zhijian]Sinopec, Res Inst Petr Proc, 18 Xueyuan Rd, Beijing 100083, Peoples R China
[ 5 ] [Liu, Changcheng]Sinopec, Res Inst Petr Proc, 18 Xueyuan Rd, Beijing 100083, Peoples R China
[ 6 ] [Ma, Aizeng]Sinopec, Res Inst Petr Proc, 18 Xueyuan Rd, Beijing 100083, Peoples R China
[ 7 ] [Rong, Junfeng]Sinopec, Res Inst Petr Proc, 18 Xueyuan Rd, Beijing 100083, Peoples R China
[ 8 ] [Bao, Xiaojun]Sinopec, Res Inst Petr Proc, 18 Xueyuan Rd, Beijing 100083, Peoples R China
[ 9 ] [Zheng, Huidong]Sinopec, Res Inst Petr Proc, 18 Xueyuan Rd, Beijing 100083, Peoples R China
[ 10 ] [Liu, Hongyang]Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
[ 11 ] [Su, Dangsheng]Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China

Reprint 's Address：

[Rong, Junfeng]Sinopec, Res Inst Petr Proc, 18 Xueyuan Rd, Beijing 100083, Peoples R China;;[Liu, Hongyang]Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China;;[Su, Dangsheng]Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China

Email：

liuhy@imr.ac.cn |
rongjf.ripp@sinopec.com |
dssu@imr.ac.cn

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Source ：

ACS CATALYSIS

ISSN： 2155-5435

Year： 2017

Issue： 5

Volume： 7

Page： 3349-3355

1 1 . 3 8 4

JCR@2017

1 1 . 7 0 0

JCR@2023

ESI Discipline： CHEMISTRY;

ESI HC Threshold：226

JCR Journal Grade：1

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count： 82

SCOPUS Cited Count： 87

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 6

Affiliated Colleges：

化工学院本学院/部未明确归属的数据

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