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KTaO3-based nanocomposites for air treatment

Paper ID Volume ID Publish Year Pages File Format Full-Text
53849 46987 2015 7 PDF Available
Title
KTaO3-based nanocomposites for air treatment
Abstract

•Toluene is efficiently degraded over KTaO3-based nanocomposites.•Two-steps hydrothermal route leads to lower surface area of KTaO3-nanocomposites.•Nanocomposites surface could be cleaned and re-activated by high flux irradiation.

A series of single semiconductors and their nanocomposites combination (such as KTaO3 + CdSe + SrTiO3; KTaO3 + CdS + WO3; KTaO3 + CdS + MoS2) were prepared using hydrothermal route. Photocatalytic activity of as-prepared nanocomposites was estimated by photocatalytic degradation of toluene in the gas phase using light-emitting diodes (LEDs, 375 nm) in four subsequent cycles. The nanocomposites were characterized by scanning electron microscopy (SEM), X-ray powder diffraction analysis (XRD), UV–vis diffuse-reflectance spectroscopy (DRS) and BET surface area measurements. It was observed that hierarchical 3D structures caused an increase of the photocatalytic activity in gas phase.

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Keywords
Heterogeneous photocatalysis; Air treatment; KTaO3-based nanocomposites
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 252, 1 September 2015, Pages 47–53
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us