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Self-decontaminating layer-by-layer functionalized textiles based on WO3-modified titanate nanotubes. Application to the solar photocatalytic removal of chemical warfare agents

Paper ID Volume ID Publish Year Pages File Format Full-Text
41669 45895 2011 13 PDF Available
Title
Self-decontaminating layer-by-layer functionalized textiles based on WO3-modified titanate nanotubes. Application to the solar photocatalytic removal of chemical warfare agents
Abstract

Self-decontaminating photocatalytic textiles functionalized by the layer-by-layer approach with high aspect ratio WO3-modified titanate nanotubes have been developed and successfully used under solar light illumination for the photocatalytic degradation of organophosphorous and organosulfide chemical weapon agents. This multilayer building method, unlike both dipping and spray techniques, has been efficiently applied to textile substrates using polyethyleneimine as counter polyelectrolyte for homogeneously functionalizing textiles by a thin layer of a dense network of entangled WO3-modified titanate nanotubes, and preparing self-decontaminating photocatalytic textiles highly efficient toward the removal under solar light of the yperite blister live agent and of dimethylmethylphosphonate as neurotoxic agent simulant. Solar light responsive high surface WO3-modified titanate nanotubes were synthesized by hydro-thermally treating TiO2 powder, with tungstate salt impregnation prior to the final calcination step.

Graphical abstractSelf-decontaminating layer-by-layer functionalized photocatalytic textiles exposing a thin layer of a dense network of entangled and high aspect ratio WO3-modified titanate nanotubes were successfully used under solar light illumination for the photocatalytic degradation of dimethylmethylphosphonate as neurotoxic organophosphorous agent simulant and of the blister organosulfide yperite live chemical weapon agent.Figure optionsDownload full-size imageDownload high-quality image (75 K)Download as PowerPoint slide

Keywords
Photocatalysis; Titanate nanotubes; WO3; Solar light; Self-decontaminating textiles; Layer-by-layer deposition; Dimethylmethylphosphonate; Yperite
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Self-decontaminating layer-by-layer functionalized textiles based on WO3-modified titanate nanotubes. Application to the solar photocatalytic removal of chemical warfare agents
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 391, Issues 1–2, 4 January 2011, Pages 455–467
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