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Photocatalytic paper based on sol–gel titania nanoparticles immobilized on porous silica for VOC abatement

Paper ID Volume ID Publish Year Pages File Format Full-Text
45046 46395 2014 11 PDF Available
Title
Photocatalytic paper based on sol–gel titania nanoparticles immobilized on porous silica for VOC abatement
Abstract

A new composite paper with high photocatalytic performance has been successfully manufactured by introducing titania-anchored porous silica into cellulose fibres. The silica particles with an average size of 700 nm were synthesized via CaCO3 templating and further employed as support to grow titania nanoparticles (5.2 nm) by sol–gel synthesis with variable weight ratios. The photocatalytic materials have been characterized using various techniques including BET, XRD, Raman spectroscopy, SEM and TEM + EDX + ED microscopies. The composite TiO2/SiO2 particles have been further introduced in bulk paper to generate highly active photocatalytic TiO2-loaded papers. The activity of the papers has been demonstrated in the room-temperature degradation of ethanol (50–200 ppm) under UV irradiation, showing a comparable activity to that of commercial TiO2-coated papers. The effect of the main textural variables during papermaking on the photocatalytic performance are discussed in detail.

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Keywords
Photocatalysis; Paper; Ethanol; Silica; Sol–gel
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Photocatalytic paper based on sol–gel titania nanoparticles immobilized on porous silica for VOC abatement
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volumes 154–155, July–August 2014, Pages 123–133
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