Polyoxometalate immobilized in MIL-101(Cr) as an efficient catalyst for water oxidation

Jianyu Han; Danping Wang; Yonghua Du; Shibo Xi; Zhong Chen; Shengming Yin; Tianhua Zhou; Rong Xu

doi:10.1016/j.apcata.2015.10.015

Polyoxometalate immobilized in MIL-101(Cr) as an efficient catalyst for water oxidation

Jianyu Han, Danping Wang, Yonghua Du, Shibo Xi, Zhong Chen, Shengming Yin, Tianhua Zhou, Rong Xu^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

77 Citations (Scopus)

Abstract

Water oxidation is an essential reaction in artificial photosynthesis. Finding efficient and stable catalysts for this reaction is still a challenging task. Recently, a series of polyoxometalates (POMs) comprised of earth abundant materials are reported to be efficient water oxidation catalysts (WOCs). In this study, we investigated the effect of a support material to the catalytic performance of [Co(H₂O)₂(PW₉O₃₄)₂]^10- (CoPOM) by immobilizing this molecular POM-based catalyst on MIL-101(Cr), a highly porous and robust metal-organic framework (MOF). The successful encapsulation of CoPOM in MIL-101 achieved by a facile ion exchange method was evidenced by combined XRD, FTIR, XPS, XANES, TEM and elemental mapping analyses. Both the photocatalytic and electrochemical studies have indicated that the CoPOM loaded on MIL-101 displays enhanced activity and improved stability due to the its electrostatic interaction with MIL-101. In addition, the heterogenization of the homogeneous CoPOM also makes it easier to be recycled.

Original language	English
Pages (from-to)	83-89
Number of pages	7
Journal	Applied Catalysis A: General
Volume	521
DOIs	https://doi.org/10.1016/j.apcata.2015.10.015
Publication status	Published - Jul 5 2016
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2015 Elsevier B.V.

ASJC Scopus Subject Areas

Catalysis
Process Chemistry and Technology

Keywords

Electrocatalysis
MIL-101
Photocatalysis
Polyoxometalates
Water oxidation

Access to Document

10.1016/j.apcata.2015.10.015

Cite this

@article{4137c96f85bf491c83980969368b1bba,

title = "Polyoxometalate immobilized in MIL-101(Cr) as an efficient catalyst for water oxidation",

abstract = "Water oxidation is an essential reaction in artificial photosynthesis. Finding efficient and stable catalysts for this reaction is still a challenging task. Recently, a series of polyoxometalates (POMs) comprised of earth abundant materials are reported to be efficient water oxidation catalysts (WOCs). In this study, we investigated the effect of a support material to the catalytic performance of [Co(H2O)2(PW9O34)2]10- (CoPOM) by immobilizing this molecular POM-based catalyst on MIL-101(Cr), a highly porous and robust metal-organic framework (MOF). The successful encapsulation of CoPOM in MIL-101 achieved by a facile ion exchange method was evidenced by combined XRD, FTIR, XPS, XANES, TEM and elemental mapping analyses. Both the photocatalytic and electrochemical studies have indicated that the CoPOM loaded on MIL-101 displays enhanced activity and improved stability due to the its electrostatic interaction with MIL-101. In addition, the heterogenization of the homogeneous CoPOM also makes it easier to be recycled.",

keywords = "Electrocatalysis, MIL-101, Photocatalysis, Polyoxometalates, Water oxidation",

author = "Jianyu Han and Danping Wang and Yonghua Du and Shibo Xi and Zhong Chen and Shengming Yin and Tianhua Zhou and Rong Xu",

note = "Publisher Copyright: {\textcopyright} 2015 Elsevier B.V.",

year = "2016",

month = jul,

day = "5",

doi = "10.1016/j.apcata.2015.10.015",

language = "English",

volume = "521",

pages = "83--89",

journal = "Applied Catalysis A: General",

issn = "0926-860X",

publisher = "Elsevier",

}

TY - JOUR

T1 - Polyoxometalate immobilized in MIL-101(Cr) as an efficient catalyst for water oxidation

AU - Han, Jianyu

AU - Wang, Danping

AU - Du, Yonghua

AU - Xi, Shibo

AU - Chen, Zhong

AU - Yin, Shengming

AU - Zhou, Tianhua

AU - Xu, Rong

PY - 2016/7/5

Y1 - 2016/7/5

N2 - Water oxidation is an essential reaction in artificial photosynthesis. Finding efficient and stable catalysts for this reaction is still a challenging task. Recently, a series of polyoxometalates (POMs) comprised of earth abundant materials are reported to be efficient water oxidation catalysts (WOCs). In this study, we investigated the effect of a support material to the catalytic performance of [Co(H2O)2(PW9O34)2]10- (CoPOM) by immobilizing this molecular POM-based catalyst on MIL-101(Cr), a highly porous and robust metal-organic framework (MOF). The successful encapsulation of CoPOM in MIL-101 achieved by a facile ion exchange method was evidenced by combined XRD, FTIR, XPS, XANES, TEM and elemental mapping analyses. Both the photocatalytic and electrochemical studies have indicated that the CoPOM loaded on MIL-101 displays enhanced activity and improved stability due to the its electrostatic interaction with MIL-101. In addition, the heterogenization of the homogeneous CoPOM also makes it easier to be recycled.

AB - Water oxidation is an essential reaction in artificial photosynthesis. Finding efficient and stable catalysts for this reaction is still a challenging task. Recently, a series of polyoxometalates (POMs) comprised of earth abundant materials are reported to be efficient water oxidation catalysts (WOCs). In this study, we investigated the effect of a support material to the catalytic performance of [Co(H2O)2(PW9O34)2]10- (CoPOM) by immobilizing this molecular POM-based catalyst on MIL-101(Cr), a highly porous and robust metal-organic framework (MOF). The successful encapsulation of CoPOM in MIL-101 achieved by a facile ion exchange method was evidenced by combined XRD, FTIR, XPS, XANES, TEM and elemental mapping analyses. Both the photocatalytic and electrochemical studies have indicated that the CoPOM loaded on MIL-101 displays enhanced activity and improved stability due to the its electrostatic interaction with MIL-101. In addition, the heterogenization of the homogeneous CoPOM also makes it easier to be recycled.

KW - Electrocatalysis

KW - MIL-101

KW - Photocatalysis

KW - Polyoxometalates

KW - Water oxidation

UR - http://www.scopus.com/inward/record.url?scp=85027950679&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85027950679&partnerID=8YFLogxK

U2 - 10.1016/j.apcata.2015.10.015

DO - 10.1016/j.apcata.2015.10.015

M3 - Article

AN - SCOPUS:85027950679

SN - 0926-860X

VL - 521

SP - 83

EP - 89

JO - Applied Catalysis A: General

JF - Applied Catalysis A: General

ER -

Polyoxometalate immobilized in MIL-101(Cr) as an efficient catalyst for water oxidation

Abstract

Bibliographical note

ASJC Scopus Subject Areas

Keywords

Access to Document

Other files and links

Fingerprint

Cite this