A Generic Method for Preparing Hollow Mesoporous Silica Catalytic Nanoreactors with Metal Oxide Nanoparticles inside Their Cavities

We report a facile and generic method for the synthesis of hollow mesoporous silica nanoreactors (HMSNs) with small‐sized metal oxide nanoparticles (NPs) inside their cavities. They were made by deposition of silica onto metal‐containing charge‐driven polymer micelles and subsequent calcination. The...

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Published in:Angewandte Chemie 2018-12, Vol.130 (50), p.16696-16701
Main Authors: Li, Kaijie, Wei, Jinxia, Yu, Hongbo, Xu, Pengyao, Wang, Jiahua, Yin, Hongfeng, Cohen Stuart, Martien A., Wang, Junyou, Zhou, Shenghu
Format: Article
Language:English
Subjects:
Catalysis
Cavities
Chemistry
Copper
Farbstoffabbau
Heterogene Katalyse
Holes
Hydrogen peroxide
Ligands
Manganese
Mesoporöse Materialien
Metal ions
Metal oxides
Micelles
Nanoparticles
Nanoreaktoren
Nickel
Polyelectrolytes
Roasting
Silica
Silicon dioxide
Synthesis
Zinc
Übergangsmetalloxide
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cited_by cdi_FETCH-LOGICAL-c1627-8e62e6506d2d02e28c820efe9ac43aee5de60addb7c860e12a4c4913867ced573
cites cdi_FETCH-LOGICAL-c1627-8e62e6506d2d02e28c820efe9ac43aee5de60addb7c860e12a4c4913867ced573
container_end_page 16701
container_issue 50
container_start_page 16696
container_title Angewandte Chemie
container_volume 130
creator Li, Kaijie
Wei, Jinxia
Yu, Hongbo
Xu, Pengyao
Wang, Jiahua
Yin, Hongfeng
Cohen Stuart, Martien A.
Wang, Junyou
Zhou, Shenghu
description We report a facile and generic method for the synthesis of hollow mesoporous silica nanoreactors (HMSNs) with small‐sized metal oxide nanoparticles (NPs) inside their cavities. They were made by deposition of silica onto metal‐containing charge‐driven polymer micelles and subsequent calcination. The micelles consist of 1) negatively charged supramolecular polyelectrolyte chains of bis‐ligand‐bound metal ions, and 2) water‐soluble, neutral/positive diblock copolymers. Owing to the facile coordination between transition‐metal ion and the employed bidentate ligand, a series of HMSNs with
doi_str_mv 10.1002/ange.201810777
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They were made by deposition of silica onto metal‐containing charge‐driven polymer micelles and subsequent calcination. The micelles consist of 1) negatively charged supramolecular polyelectrolyte chains of bis‐ligand‐bound metal ions, and 2) water‐soluble, neutral/positive diblock copolymers. Owing to the facile coordination between transition‐metal ion and the employed bidentate ligand, a series of HMSNs with &lt;2 nm MxOy NPs inside cavities (M=Mn, Co, Ni, Cu, or Zn) were obtained by simply varying the metal ions inside the micelles. The developed method circumvents the pre‐ and post‐synthesis of metal oxide NPs; after calcination, hollow mesoporous nanostructures containing small‐sized metal oxide NPs inside their cavities are directly obtained. The CoxOy‐functionalized HMSNs catalyze the degradation of various dyes with H2O2. Nanopartikel in Nanoreaktoren: Hohle mesoporöse SiO2‐Nanoreaktoren mit Metalloxid‐Nanopartikeln in ihren Hohlräumen wurden durch Abscheidung von SiO2 auf metallhaltigen Polymermicellen und anschließende Kalzinierung erhalten. Die CoxOy‐haltigen mesoporösen SiO2‐Nanoreaktoren wurden als Katalysatoren für den Abbau von Methylenblau und Cochenillerot A mit Wasserstoffperoxid verwendet.</description><identifier>ISSN: 0044-8249</identifier><identifier>EISSN: 1521-3757</identifier><identifier>DOI: 10.1002/ange.201810777</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>Catalysis ; Cavities ; Chemistry ; Copper ; Farbstoffabbau ; Heterogene Katalyse ; Holes ; Hydrogen peroxide ; Ligands ; Manganese ; Mesoporöse Materialien ; Metal ions ; Metal oxides ; Micelles ; Nanoparticles ; Nanoreaktoren ; Nickel ; Polyelectrolytes ; Roasting ; Silica ; Silicon dioxide ; Synthesis ; Zinc ; Übergangsmetalloxide</subject><ispartof>Angewandte Chemie, 2018-12, Vol.130 (50), p.16696-16701</ispartof><rights>2018 Wiley‐VCH Verlag GmbH &amp; Co. 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They were made by deposition of silica onto metal‐containing charge‐driven polymer micelles and subsequent calcination. The micelles consist of 1) negatively charged supramolecular polyelectrolyte chains of bis‐ligand‐bound metal ions, and 2) water‐soluble, neutral/positive diblock copolymers. Owing to the facile coordination between transition‐metal ion and the employed bidentate ligand, a series of HMSNs with &lt;2 nm MxOy NPs inside cavities (M=Mn, Co, Ni, Cu, or Zn) were obtained by simply varying the metal ions inside the micelles. The developed method circumvents the pre‐ and post‐synthesis of metal oxide NPs; after calcination, hollow mesoporous nanostructures containing small‐sized metal oxide NPs inside their cavities are directly obtained. The CoxOy‐functionalized HMSNs catalyze the degradation of various dyes with H2O2. Nanopartikel in Nanoreaktoren: Hohle mesoporöse SiO2‐Nanoreaktoren mit Metalloxid‐Nanopartikeln in ihren Hohlräumen wurden durch Abscheidung von SiO2 auf metallhaltigen Polymermicellen und anschließende Kalzinierung erhalten. Die CoxOy‐haltigen mesoporösen SiO2‐Nanoreaktoren wurden als Katalysatoren für den Abbau von Methylenblau und Cochenillerot A mit Wasserstoffperoxid verwendet.</description><subject>Catalysis</subject><subject>Cavities</subject><subject>Chemistry</subject><subject>Copper</subject><subject>Farbstoffabbau</subject><subject>Heterogene Katalyse</subject><subject>Holes</subject><subject>Hydrogen peroxide</subject><subject>Ligands</subject><subject>Manganese</subject><subject>Mesoporöse Materialien</subject><subject>Metal ions</subject><subject>Metal oxides</subject><subject>Micelles</subject><subject>Nanoparticles</subject><subject>Nanoreaktoren</subject><subject>Nickel</subject><subject>Polyelectrolytes</subject><subject>Roasting</subject><subject>Silica</subject><subject>Silicon dioxide</subject><subject>Synthesis</subject><subject>Zinc</subject><subject>Übergangsmetalloxide</subject><issn>0044-8249</issn><issn>1521-3757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkM1PAjEQxRujiYhePTfxvDjtfnT3SAiCCYKJeN7U7iyU1C22i8jZf9yuGD16mmTe772ZPEKuGQwYAL-VzQoHHFjOQAhxQnos5SyKRSpOSQ8gSaKcJ8U5ufB-AwAZF0WPfA7pBBt0WtEHbNe2orV19NHhVjrdrOjUGmP3QfN2a53defqkjVaSjmQrzaENvrlsrEOpWus83et23SVJQxcfusJvNWQF0KCnuvHdcrlG7ULEu241-ktyVkvj8epn9snz3Xg5mkazxeR-NJxFioVnoxwzjlkKWcUr4MhzlXPAGgupklgiphVmIKvqRag8A2RcJiopWJxnQmGVirhPbo65W2ffdujbcmN3rgknS86SPGNcpBCowZFSznrvsC63Tr9KdygZlF3RZVd0-Vt0MBRHw14bPPxDl8P5ZPzn_QJsM4Q8</recordid><startdate>20181210</startdate><enddate>20181210</enddate><creator>Li, Kaijie</creator><creator>Wei, Jinxia</creator><creator>Yu, Hongbo</creator><creator>Xu, Pengyao</creator><creator>Wang, Jiahua</creator><creator>Yin, Hongfeng</creator><creator>Cohen Stuart, Martien A.</creator><creator>Wang, Junyou</creator><creator>Zhou, Shenghu</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-8203-6546</orcidid></search><sort><creationdate>20181210</creationdate><title>A Generic Method for Preparing Hollow Mesoporous Silica Catalytic Nanoreactors with Metal Oxide Nanoparticles inside Their Cavities</title><author>Li, Kaijie ; 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Nanopartikel in Nanoreaktoren: Hohle mesoporöse SiO2‐Nanoreaktoren mit Metalloxid‐Nanopartikeln in ihren Hohlräumen wurden durch Abscheidung von SiO2 auf metallhaltigen Polymermicellen und anschließende Kalzinierung erhalten. Die CoxOy‐haltigen mesoporösen SiO2‐Nanoreaktoren wurden als Katalysatoren für den Abbau von Methylenblau und Cochenillerot A mit Wasserstoffperoxid verwendet.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/ange.201810777</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-8203-6546</orcidid></addata></record>
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source Wiley-Blackwell Read & Publish Collection
subjects Catalysis
Cavities
Chemistry
Copper
Farbstoffabbau
Heterogene Katalyse
Holes
Hydrogen peroxide
Ligands
Manganese
Mesoporöse Materialien
Metal ions
Metal oxides
Micelles
Nanoparticles
Nanoreaktoren
Nickel
Polyelectrolytes
Roasting
Silica
Silicon dioxide
Synthesis
Zinc
Übergangsmetalloxide
title A Generic Method for Preparing Hollow Mesoporous Silica Catalytic Nanoreactors with Metal Oxide Nanoparticles inside Their Cavities
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