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Electric-agitation-enhanced photodegradation of rhodamine B over planar photoelectrocatalytic devices using a TiO2 nanosized layer

Paper ID Volume ID Publish Year Pages File Format Full-Text
47461 46472 2010 5 PDF Available
Title
Electric-agitation-enhanced photodegradation of rhodamine B over planar photoelectrocatalytic devices using a TiO2 nanosized layer
Abstract

The photocatalytic (PC) and photoelectrocatalytic (PEC) degradations of liquid-phase rhodamine B (RhB) were investigated over titanium dioxide (TiO2) coated patterned indium tin oxide (ITO) substrate, denoted as planar ITO/TiO2/ITO device. It is found that over planar ITO/TiO2/ITO device, the PEC degradation of RhB by a bias of 1.5 V is significantly increased than the PC degradation of RhB, mainly because the horizontal electric field can not only suppress the hole-electron recombination, but also act as an electric agitator to enhance the competitive adsorption of RhB onto the TiO2 surface. The results show that the planar ITO/TiO2/ITO device is an alternative way to achieve efficient degradation of dyes with simple configuration.

Keywords
Photoelectrocatalysis; Photocatalysis; ITO/TiO2/ITO device; TiO2 film
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Electric-agitation-enhanced photodegradation of rhodamine B over planar photoelectrocatalytic devices using a TiO2 nanosized layer
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 96, Issues 1–2, 26 April 2010, Pages 185–189
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
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Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us