ChemSusChem

, volume 10 , issue 23 , pages 4748-4755

Iridium Clusters Encapsulated in Carbon Nanospheres as Nanocatalysts for Methylation of (Bio)Alcohols

Qiang Liu ^{1, 2}

Guoqiang Xu ¹

Wang Zhendong ³

Xiaoran Liu ¹

Xicheng Wang ¹

Linlin Dong ¹

Xindong Mu ¹

Huizhou Liu ¹

Hide authors affiliations Show authors affiliations: 3 affiliations

CAS Key Laboratory of Bio-based Materials; Qingdao Institute of Bioenergy and Bioprocess Technology; Chinese Academy of Sciences; Qingdao 266101 P. R. China |

University of Chinese Academy of Sciences; Beijing 100049 P. R. China |

Key Laboratory of Marine Chemistry Theory and Technology of Ministry of Education; Ocean University of China; Qingdao 266100 P. R. China |

Publication type: Journal Article

Publication date: 2017-11-02

Wiley

ChemSusChem

scimago Q1

wos Q1

SJR: 1.845

CiteScore: 13.1

Impact factor: 6.6

ISSN: 18645631, 1864564X

DOI: 10.1002/cssc.201701607

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PubMed ID: 28948713

General Chemical Engineering

General Materials Science

General Energy

Environmental Chemistry

Abstract

C-H methylation is an attractive chemical transformation for C-C bonds construction in organic chemistry, yet efficient methylation of readily available (bio)alcohols in water using methanol as sustainable C1 feedstock is limited. Herein, iridium nanocatalysts encapsulated in yolk-shell-structured mesoporous carbon nanospheres (Ir@YSMCNs) were synthesized for this transformation. Monodispersed Ir clusters (ca. 1.0 nm) were encapsulated in situ and spatially isolated within YSMCNs by a silica-assisted sol-gel emulsion strategy. A selection of (bio)alcohols (19 examples) was selectively methylated in aqueous phase with good-to-high yields over the developed Ir@YSMCNs. The improved catalytic efficiencies in terms of activity and selectivity together with the good stability and recyclability were contributable to the ultrasmall Ir clusters with oxidation chemical state as a consequence of the confinement effect of YSMCNs with interconnected nanostructures.

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Liu Q. et al. Iridium Clusters Encapsulated in Carbon Nanospheres as Nanocatalysts for Methylation of (Bio)Alcohols // ChemSusChem. 2017. Vol. 10. No. 23. pp. 4748-4755.

GOST all authors (up to 50) Copy

Liu Q., Xu G., Zhendong W., Liu X., Wang X., Dong L., Mu X., Liu H. Iridium Clusters Encapsulated in Carbon Nanospheres as Nanocatalysts for Methylation of (Bio)Alcohols // ChemSusChem. 2017. Vol. 10. No. 23. pp. 4748-4755.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1002/cssc.201701607

UR - https://doi.org/10.1002/cssc.201701607

TI - Iridium Clusters Encapsulated in Carbon Nanospheres as Nanocatalysts for Methylation of (Bio)Alcohols

T2 - ChemSusChem

AU - Liu, Qiang

AU - Xu, Guoqiang

AU - Zhendong, Wang

AU - Liu, Xiaoran

AU - Wang, Xicheng

AU - Dong, Linlin

AU - Mu, Xindong

AU - Liu, Huizhou

PY - 2017

DA - 2017/11/02

PB - Wiley

SP - 4748-4755

IS - 23

VL - 10

PMID - 28948713

SN - 1864-5631

SN - 1864-564X

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2017_Liu,

author = {Qiang Liu and Guoqiang Xu and Wang Zhendong and Xiaoran Liu and Xicheng Wang and Linlin Dong and Xindong Mu and Huizhou Liu},

title = {Iridium Clusters Encapsulated in Carbon Nanospheres as Nanocatalysts for Methylation of (Bio)Alcohols},

journal = {ChemSusChem},

year = {2017},

volume = {10},

publisher = {Wiley},

month = {nov},

url = {https://doi.org/10.1002/cssc.201701607},

number = {23},

pages = {4748--4755},

doi = {10.1002/cssc.201701607}

}

MLA

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MLA Copy

Liu, Qiang, et al. “Iridium Clusters Encapsulated in Carbon Nanospheres as Nanocatalysts for Methylation of (Bio)Alcohols.” ChemSusChem, vol. 10, no. 23, Nov. 2017, pp. 4748-4755. https://doi.org/10.1002/cssc.201701607.

Publisher

Wiley

Journal

ChemSusChem

scimago Q1

wos Q1

SJR

1.845

CiteScore

13.1

Impact factor

6.6

ISSN

18645631 (Print)

1864564X (Electronic)