4.3 Article

A Photothermal Catalyst Consisting of Manganese Oxide Clusters and Antimony-doped Tin Oxide Nanocrystal: Application to Environmental Purification

Journal

CHEMISTRY LETTERS
Volume 50, Issue 7, Pages 1372-1374

Publisher

CHEMICAL SOC JAPAN
DOI: 10.1246/cl.210188

Keywords

Photothermal effect; Antimony-doped tin oxide; Manganese oxide

Funding

  1. JST Adaptable and Seamless Technology Transfer Program through Target-driven RD
  2. JSPS KAKENHI [18K05280, 20K05674]
  3. Futaba Foundation
  4. Nippon Sheet Glass Foundation for Materials Science and Engineering
  5. Grants-in-Aid for Scientific Research [20K05674] Funding Source: KAKEN

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Manganese oxide clusters were formed on antimony-doped SnO2 (MnOx/ATO) nanocrystals by impregnation, resulting in strong and broad absorption. The catalytic activity for degradation of 2-naphthol in the hydrosphere was significantly influenced by the ATO nanocrystals in the near infrared region.
Manganese oxide clusters were formed on SnO2 (MnOx/SnO2) and antimony-doped SnO2 (MnOx/ATO) nanocrystals by impregnation. MnOx/ATO possesses strong and broad absorption due to the localized surface plasmon resonance of ATO nanocrystals in the near infrared region. The catalytic activity was studied for degradation of 2-naphthol used as a model pollutant in hydrosphere. Irradiation of near infrared light to MnOx/ATO causes a drastic increase in the activity, whereas the effect is slight in the MnOx/SnO2 system.

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