Efficient photocatalytic conversion of benzene to phenol on stabilized subnanometer WO3quantum dots

Akihide Ohno, Hiroto Watanabe, Takahiro Matsui, Shoichi Somekawa, Mai Tomisaki, Yasuaki Einaga, Yuya Oaki, Hiroaki Imai

Research output: Contribution to journalArticlepeer-review

Abstract

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 WO bonds promotes the efficient conversion of benzene to phenol without decomposition of the product into CO2 under ultraviolet illumination.

Original languageEnglish
Pages (from-to)6537-6542
Number of pages6
JournalCatalysis Science and Technology
Volume11
Issue number19
DOIs
Publication statusPublished - 2021 Oct 7

ASJC Scopus subject areas

  • Catalysis

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