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Verma P, Kondo Y, Kuwahara Y, Kamegawa T, Mori K, Raja R, Yamashita H. Design and application of photocatalysts using porous materials. CATALYSIS REVIEWS 2021. [DOI: 10.1080/01614940.2021.1948302] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Priyanka Verma
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Osaka, Japan
- School of Chemistry, University of Southampton, Southampton, UK
| | - Yoshifumi Kondo
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Osaka, Japan
| | - Yasutaka Kuwahara
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Osaka, Japan
- Elements Strategy Initiative for Catalysts & Batteries ESICB, Kyoto University, Kyoto, Japan
- Jst, Presto, Saitama, Japan
| | - Takashi Kamegawa
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Osaka, Japan
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Sakai, Osaka, Japan
| | - Kohsuke Mori
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Osaka, Japan
- Elements Strategy Initiative for Catalysts & Batteries ESICB, Kyoto University, Kyoto, Japan
| | - Robert Raja
- School of Chemistry, University of Southampton, Southampton, UK
| | - Hiromi Yamashita
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Osaka, Japan
- Elements Strategy Initiative for Catalysts & Batteries ESICB, Kyoto University, Kyoto, Japan
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Verma P, Potter ME, Oakley AE, Mhembere PM, Raja R. Bimetallic PdAu Catalysts within Hierarchically Porous Architectures for Aerobic Oxidation of Benzyl Alcohol. NANOMATERIALS 2021; 11:nano11020350. [PMID: 33535412 PMCID: PMC7912745 DOI: 10.3390/nano11020350] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/26/2021] [Accepted: 01/26/2021] [Indexed: 01/05/2023]
Abstract
Hierarchically porous (HP) zeotype materials (possessing both micropores and mesopores) offer improved diffusional access to intra-framework active sites, analogous to mesoporous materials, yet retain the high selectivity of the microporous (MP) bulk. We have recently designed crystalline hierarchically porous silicoaluminophosphates (SAPOs) with enhanced mass-transport characteristics, which can lead to significant improvement in catalytic activity and catalyst lifetime. In this study, we have prepared PdAu bimetallic nanostructures supported on HP-SAPO frameworks by an incipient impregnation of metal precursors followed by H2 reduction at 300 °C, for the aerobic oxidation of benzyl alcohol to benzaldehyde. PdAu NPs supported on HP framework displayed significantly enhanced catalytic activities, when compared with their MP analogues, clearly highlighting the benefits of introducing hierarchical porosity in the SAPO support matrix.
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