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Preparation and characterization of Ag–Pd bimetallic nano-catalysts in thermosensitive microgel nano-reactor

Thermosensitive microgels consisting of a solid core of polystyrene and a shell of cross-linked poly(N-isopropylacrylamide) (PNIPA) were synthesized as nano-reactors, in which Ag–Pd bimetallic nanoparticles were prepared through simultaneous in situ reduction reaction. The spatial distribution of me...

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Detalles Bibliográficos
Autores principales: Zhang, Tao, Li, Li, Ye, Zhishuang, Yang, Qingsong, Tian, Yuchuan, Guo, Xuhong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9080592/
https://www.ncbi.nlm.nih.gov/pubmed/35541123
http://dx.doi.org/10.1039/c8ra02563k
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author Zhang, Tao
Li, Li
Ye, Zhishuang
Yang, Qingsong
Tian, Yuchuan
Guo, Xuhong
author_facet Zhang, Tao
Li, Li
Ye, Zhishuang
Yang, Qingsong
Tian, Yuchuan
Guo, Xuhong
author_sort Zhang, Tao
collection PubMed
description Thermosensitive microgels consisting of a solid core of polystyrene and a shell of cross-linked poly(N-isopropylacrylamide) (PNIPA) were synthesized as nano-reactors, in which Ag–Pd bimetallic nanoparticles were prepared through simultaneous in situ reduction reaction. The spatial distribution of metallic nanoparticles in the microgels was analyzed by small angle X-ray scattering (SAXS) and the results indicated that metal nanoparticles were mainly located in the inner layer of microgels. The catalytic activity of Ag–Pd bimetallic nanoparticles was investigated using the reduction of p-nitrophenol to p-aminophenol by NaBH(4) as model reaction. The data demonstrated that Ag–Pd bimetallic nanoparticles showed enhanced catalytic activity compared to each monometallic nanoparticle alone and their catalytic activity was controllable by temperature due to the volume transition of PNIPA microgels.
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spelling pubmed-90805922022-05-09 Preparation and characterization of Ag–Pd bimetallic nano-catalysts in thermosensitive microgel nano-reactor Zhang, Tao Li, Li Ye, Zhishuang Yang, Qingsong Tian, Yuchuan Guo, Xuhong RSC Adv Chemistry Thermosensitive microgels consisting of a solid core of polystyrene and a shell of cross-linked poly(N-isopropylacrylamide) (PNIPA) were synthesized as nano-reactors, in which Ag–Pd bimetallic nanoparticles were prepared through simultaneous in situ reduction reaction. The spatial distribution of metallic nanoparticles in the microgels was analyzed by small angle X-ray scattering (SAXS) and the results indicated that metal nanoparticles were mainly located in the inner layer of microgels. The catalytic activity of Ag–Pd bimetallic nanoparticles was investigated using the reduction of p-nitrophenol to p-aminophenol by NaBH(4) as model reaction. The data demonstrated that Ag–Pd bimetallic nanoparticles showed enhanced catalytic activity compared to each monometallic nanoparticle alone and their catalytic activity was controllable by temperature due to the volume transition of PNIPA microgels. The Royal Society of Chemistry 2018-05-18 /pmc/articles/PMC9080592/ /pubmed/35541123 http://dx.doi.org/10.1039/c8ra02563k Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Zhang, Tao
Li, Li
Ye, Zhishuang
Yang, Qingsong
Tian, Yuchuan
Guo, Xuhong
Preparation and characterization of Ag–Pd bimetallic nano-catalysts in thermosensitive microgel nano-reactor
title Preparation and characterization of Ag–Pd bimetallic nano-catalysts in thermosensitive microgel nano-reactor
title_full Preparation and characterization of Ag–Pd bimetallic nano-catalysts in thermosensitive microgel nano-reactor
title_fullStr Preparation and characterization of Ag–Pd bimetallic nano-catalysts in thermosensitive microgel nano-reactor
title_full_unstemmed Preparation and characterization of Ag–Pd bimetallic nano-catalysts in thermosensitive microgel nano-reactor
title_short Preparation and characterization of Ag–Pd bimetallic nano-catalysts in thermosensitive microgel nano-reactor
title_sort preparation and characterization of ag–pd bimetallic nano-catalysts in thermosensitive microgel nano-reactor
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9080592/
https://www.ncbi.nlm.nih.gov/pubmed/35541123
http://dx.doi.org/10.1039/c8ra02563k
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