A recyclable thermo-responsive catalytic system based on poly(N-isopropylacrylamide)-coated POM@SBA-15 nanospheres

Xiaowei Wu; Xiaofei Chen; Hongyu Guan; Xiaohong Wang; Li Chen

doi:10.1016/j.catcom.2014.03.025

A recyclable thermo-responsive catalytic system based on poly(N-isopropylacrylamide)-coated POM@SBA-15 nanospheres

Xiaowei Wu
, Xiaofei Chen
, Hongyu Guan
, Xiaohong Wang
, Li Chen^*

^*Corresponding author for this work

Northeast Normal University

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

14 Citations (Scopus)

Abstract

A nanoreactor with thermo-responsive poly(N-isopropylacrylamide) (PNIPAM) coated on the external pores of SBA-15 and a Keggin-type polyoxometalate (POM), molybdovanadophosphoric acid (H₅PV₂Mo₁₀O ₄₀) loaded into the internal pores were fabricated. It showed excellent catalytic activity toward catalytic wet hydrogen peroxide oxidation (CWPO) of phenol at 25 °C (below lower critical solution temperature (LCST) of PNIPAM). When the temperature was 50°C (above LCST), the rate of CWPO dropped significantly. These results indicated that the nanoreactor shows the repeated on/off catalytic activity switched by temperature control. The recyclable catalytic processes were successfully conducted.

Original language	English
Pages (from-to)	29-32
Number of pages	4
Journal	Catalysis Communications
Volume	51
DOIs	https://doi.org/10.1016/j.catcom.2014.03.025
Publication status	Published - 5 Jun 2014
Externally published	Yes

Keywords

Nanoreactors
Polyoxometalates
Smart catalysts
Thermo-responsive

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10.1016/j.catcom.2014.03.025

Cite this

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title = "A recyclable thermo-responsive catalytic system based on poly(N-isopropylacrylamide)-coated POM@SBA-15 nanospheres",

abstract = "A nanoreactor with thermo-responsive poly(N-isopropylacrylamide) (PNIPAM) coated on the external pores of SBA-15 and a Keggin-type polyoxometalate (POM), molybdovanadophosphoric acid (H5PV2Mo10O 40) loaded into the internal pores were fabricated. It showed excellent catalytic activity toward catalytic wet hydrogen peroxide oxidation (CWPO) of phenol at 25 °C (below lower critical solution temperature (LCST) of PNIPAM). When the temperature was 50°C (above LCST), the rate of CWPO dropped significantly. These results indicated that the nanoreactor shows the repeated on/off catalytic activity switched by temperature control. The recyclable catalytic processes were successfully conducted.",

keywords = "Nanoreactors, Polyoxometalates, Smart catalysts, Thermo-responsive",

author = "Xiaowei Wu and Xiaofei Chen and Hongyu Guan and Xiaohong Wang and Li Chen",

year = "2014",

month = jun,

day = "5",

doi = "10.1016/j.catcom.2014.03.025",

language = "English",

volume = "51",

pages = "29--32",

journal = "Catalysis Communications",

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publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - A recyclable thermo-responsive catalytic system based on poly(N-isopropylacrylamide)-coated POM@SBA-15 nanospheres

AU - Wu, Xiaowei

AU - Chen, Xiaofei

AU - Guan, Hongyu

AU - Wang, Xiaohong

AU - Chen, Li

PY - 2014/6/5

Y1 - 2014/6/5

N2 - A nanoreactor with thermo-responsive poly(N-isopropylacrylamide) (PNIPAM) coated on the external pores of SBA-15 and a Keggin-type polyoxometalate (POM), molybdovanadophosphoric acid (H5PV2Mo10O 40) loaded into the internal pores were fabricated. It showed excellent catalytic activity toward catalytic wet hydrogen peroxide oxidation (CWPO) of phenol at 25 °C (below lower critical solution temperature (LCST) of PNIPAM). When the temperature was 50°C (above LCST), the rate of CWPO dropped significantly. These results indicated that the nanoreactor shows the repeated on/off catalytic activity switched by temperature control. The recyclable catalytic processes were successfully conducted.

AB - A nanoreactor with thermo-responsive poly(N-isopropylacrylamide) (PNIPAM) coated on the external pores of SBA-15 and a Keggin-type polyoxometalate (POM), molybdovanadophosphoric acid (H5PV2Mo10O 40) loaded into the internal pores were fabricated. It showed excellent catalytic activity toward catalytic wet hydrogen peroxide oxidation (CWPO) of phenol at 25 °C (below lower critical solution temperature (LCST) of PNIPAM). When the temperature was 50°C (above LCST), the rate of CWPO dropped significantly. These results indicated that the nanoreactor shows the repeated on/off catalytic activity switched by temperature control. The recyclable catalytic processes were successfully conducted.

KW - Nanoreactors

KW - Polyoxometalates

KW - Smart catalysts

KW - Thermo-responsive

UR - https://www.scopus.com/pages/publications/84898068182

U2 - 10.1016/j.catcom.2014.03.025

DO - 10.1016/j.catcom.2014.03.025

M3 - Article

AN - SCOPUS:84898068182

SN - 1566-7367

VL - 51

SP - 29

EP - 32

JO - Catalysis Communications

JF - Catalysis Communications

ER -

A recyclable thermo-responsive catalytic system based on poly(N-isopropylacrylamide)-coated POM@SBA-15 nanospheres

Abstract

Keywords

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