Efficient photocatalytic conversion of benzene to phenol on stabilized subnanometer WO3 quantum dots

Band engineering with a quantum size effect is proposed to be utilized to design photocatalytic activity for the conversion of organic compounds. Subnanometer WO3 quantum dots (QDs) are spontaneously produced with the enhancement of the photocatalytic activity in a mesoporous silica matrix by prelim...

Full description

Saved in:
Bibliographic Details
Published inCatalysis science & technology Vol. 11; no. 19; pp. 6537 - 6542
Main Authors Ohno, Akihide, Watanabe, Hiroto, Matsui, Takahiro, Somekawa, Shoichi, Tomisaki, Mai, Einaga, Yasuaki, Oaki, Yuya, Imai, Hiroaki
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 01.01.2021
Subjects
Benzene
Catalytic activity
Conduction bands
Conversion
Hydrocarbons
Organic compounds
Phenols
Photocatalysis
Quantum dots
Silicon dioxide
Size effects
Online AccessGet full text

Cover

More Information
Summary:Band engineering with a quantum size effect is proposed to be utilized to design photocatalytic activity for the conversion of organic compounds. Subnanometer WO3 quantum dots (QDs) are spontaneously produced with the enhancement of the photocatalytic activity in a mesoporous silica matrix by preliminary photochemical dissolution. An appropriate upshift of the conduction band of subnanometer WO3 QDs stabilized by the coverage with the surface W=O bonds promotes the efficient conversion of benzene to phenol without decomposition of the product into CO2 under ultraviolet illumination.
ISSN:2044-4753
2044-4761
DOI:10.1039/d1cy01310f