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ACS Applied Materials & Interfaces

ACS Applied Materials & Interfaces

IF: 8.3
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Defective h-BNs-Supported Pd Nanoclusters: An Efficient Photocatalyst for Selective Oxidation of 5-Hydroxymethylfurfural

Published:10 December 2024 DOI: 10.1021/acsami.4c09672
Xiaoxiao Wang, Yanmei Yang, Zhiqing Zhou, Yuling Zhong, Miaomiao Qin, Weiqing Wang, Weifeng Li, Bo Tang

Abstract

5-hydroxymethylfurfural (HMF) is one of the most promising biomass-based chemicals that is used to produce many kinds of important compounds. Especially, the selective conversion of HMF to 5-hydroxymethyl-2-furancarboxylic acid (HMFCA), an important chemical feedstock, has high industrial significance but is technically challenging. In this study, we present a high-performance photocatalyst for selective oxidation of HMF to HMFCA. By integrating an ultrasmall amount of palladium (Pd) nanoclusters (1.12‰ in weight) on defective hexagonal boron nitride nanosheets (Pd/defective h-BN nanosheets (dh-BNs)), outstanding photocatalytic performance can be achieved, resulting in up to a 95% HMF conversion ratio with an 82% HMFCA selectivity. The performance is considerably higher than that of pristine dh-BNs and Pd on defect-free h-BNs. More importantly, this Pd/dh-BNs catalyst maintains a high catalytic activity after eight cycles, demonstrating robust catalytic stability. Density functional theory calculations indicate that Pd/dh-BNs can lower the energy barrier for HMF oxidation and facilitate the desorption of HMFCA, which contributes to the high selectivity catalytic performance. This study not only introduces a promising photocatalyst for sustainable chemical transformations but can also provide valuable insights into the design of advanced photocatalytic material for biorefinery applications.

Substances (5)

Materials
Procduct Name CAS Molecular Formula Supplier Price
Acetonitrile 75-05-8 C2H3N 1117 suppliers $10.00-$61180.00
Ethanol 64-17-5 C2H6O 956 suppliers $10.00-$28350.00
Methanol 67-56-1 CH4O 896 suppliers $9.00-$7620.00
5-Hydroxymethylfurfural 67-47-0 C6H6O3 782 suppliers $4.00-$7290.00
Palladium chloride 7647-10-1 Cl2Pd 630 suppliers $25.90-$9800.00

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