Preparation method of interface Pt-O bonded Pt-Ov-BiOBr catalyst for photocatalytic selective oxidation of 5-hydroxymethylfurfural

Preparation method of interface Pt-O bonded Pt-Ov-BiOBr catalyst for photocatalytic selective oxidation of 5-hydroxymethylfurfural

The invention discloses a preparation method of an interface Pt-O bonded Pt-Ov-BiOBr catalyst for photocatalytic selective oxidation of 5-hydroxymethylfurfural (5-HMF). The invention further discloses a preparation method of the interface Pt-O bonded Pt-Ov-BiOBr catalyst for photocatalytic selective...

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Hauptverfasser: WANG GUANGLI, GONG MING, ZHAO HUI, ZHU YONGFA, PAN CHENGSI, DONG YUMING
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Sprache:chi ; eng
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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creator WANG GUANGLI
GONG MING
ZHAO HUI
ZHU YONGFA
PAN CHENGSI
DONG YUMING
description The invention discloses a preparation method of an interface Pt-O bonded Pt-Ov-BiOBr catalyst for photocatalytic selective oxidation of 5-hydroxymethylfurfural (5-HMF). The invention further discloses a preparation method of the interface Pt-O bonded Pt-Ov-BiOBr catalyst for photocatalytic selective oxidation of 5-HMF. According to the invention, a mechanism of efficient reaction of superoxide radicals and HMF on a noble metal semiconductor catalysis interface is established, and due to an unsaturated coordination environment on Ov-BiOBr, Pt can form a Pt-O bond to serve as an electron transmission channel, and photo-induced electrons are transmitted to Pt from Ov-BiOBr to efficiently generate superoxide radicals. Meanwhile, photo-generated holes can be gathered on a contact interface of Pt and Ov-BiOBr, and HMF is oxidized to form carbon center free radicals. Superoxide free radicals and carbon center free radicals formed on a Pt-Ov-BiOBr contact interface are relatively close in space, so that mutual collis
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
title Preparation method of interface Pt-O bonded Pt-Ov-BiOBr catalyst for photocatalytic selective oxidation of 5-hydroxymethylfurfural
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