MoS2 microspheres/MOF-derived In2S3 heterostructures with enhanced visible-light photocatalytic activity

MoS 2 microspheres/MOF-derived In 2 S 3 heterostructures were fabricated through a two-step temperature-raising hydrothermal method. MOF-derived In 2 S 3 porous structures were synthesized via a sulfidation process of MIL-68(In) precursor, and then MoS 2 microspheres further in situ grew on the surf...

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Bibliographic Details
Published inJournal of sol-gel science and technology Vol. 94; no. 2; pp. 251 - 256
Main Authors Wu, Deyong, Wu, Chengyi
Format Journal Article
LanguageEnglish
Published New York Springer US 01.05.2020
Springer Nature B.V
Subjects
Brief Communication: Sol-gel and hybrid materials for energy
Catalytic activity
Ceramics
Chemistry and Materials Science
Composites
Dyes
Electromagnetic absorption
environment and building applications
Glass
Heterostructures
Inorganic Chemistry
Light irradiation
Materials Science
Microspheres
Molybdenum disulfide
Nanotechnology
Natural Materials
Optical and Electronic Materials
Photocatalysis
Photodegradation
Precursors
Separation
Sulfidation
X ray photoelectron spectroscopy
Visible light
Semiconductors
Microstructure
Metal-organic frameworks
Photocatalysis
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Summary:MoS 2 microspheres/MOF-derived In 2 S 3 heterostructures were fabricated through a two-step temperature-raising hydrothermal method. MOF-derived In 2 S 3 porous structures were synthesized via a sulfidation process of MIL-68(In) precursor, and then MoS 2 microspheres further in situ grew on the surface of In 2 S 3 porous structures at the increased temperature. The as-obtained samples were characterized by XRD, SEM, XPS, UV-Vis DRS, and PL. Compared with pure In 2 S 3 , MoS 2 /In 2 S 3 heterostructures exhibited a higher photocatalytic activity towards methyl orange degradation under visible light irradiation, which should be attributed to the stronger visible light absorption as well as the effective separation of photo-generated electrons and holes. Highlights MIL-68(In) is used as the morphological template and the indium precursor. One-pot synthesis involving a two-step temperature-raising hydrothermal process. Strong visible light absorption and effective separation of photo-generated carries. MoS 2 /In 2 S 3 heterostructures exhibit excellent visible-light photocatalytic activity.
ISSN:0928-0707
1573-4846
DOI:10.1007/s10971-020-05232-z