Journal
CARBON
Volume 175, Issue -, Pages 307-311Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2021.01.023
Keywords
Well-naked Pd nanoparticles; Hollow porous carbon nanospheres; Yolk-shell structure; Size-selective catalysis
Funding
- National Natural Science Foundation of China [21574042, 51273066]
- Fundamental Research Funds for the Central Universities [40500-20104-222047]
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A silica-protection strategy was utilized to fabricate well-naked palladium nanoparticles encapsulated within hollow porous carbon nanospheres (Pd@HPCNs) by carbonization of palladium-encapsulated hyper-crosslinking hollow porous polymeric nanospheres. The resulting Pd@HPCNs exhibited highly size-selective catalysis performance toward oxidation of various alcohols, making it a promising catalyst candidate for future practical applications. This method can be further developed into a general strategy to immobilize various metal or metal oxide into HPCNs nanoreactors.
Herein, we report a fabrication of well-naked palladium nanoparticles encapsulated within hollow porous carbon nanospheres (Pd@HPCNs) by carbonization of palladium-encapsulated hyper-crosslinking hollow porous polymeric nanospheres (Pd@HPPNs) with a silica-protection strategy. Owing to the classical yolk-shell structure, high surface area and permeable microporous carbon shell, the resultant Pd@HPCNs exhibited a highly size-selective catalysis performance toward oxidation of various alcohols via the molecular sieving. This method can be further developed into a general strategy to immobilize various metal or metal oxide into HPCNs nanoreactors as promising catalyst candidates for future practical applications. (C) 2021 Elsevier Ltd. All rights reserved.
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