Record Details

Visible light induced photoreduction of methyl orange by N-doped mesoporous titania

IR@CSIR-NEERI

View Archive Info
 
 
Field Value
 
Title Visible light induced photoreduction of methyl orange by N-doped mesoporous titania
 
Creator Joshi, Meenal M
Labhsetwar, Nitin
Mangrulkar, Priti A
Tijare, Saumitra N
Kamble, Sanjay P
Rayalu, Sadhana S
 
Subject Materials Science
 
Description N-doped mesoporous titania was synthesized using templating method. Biopolymer chitosan was used
as a template and also as a nitrogen source along with ammonium hydroxide. Three different types of Ndoped
mesoporous titania were synthesized by varying composition of chitosan and titania precursor.
These photocatalysts were characterized using XRD, BET-SA, FTIR, UV-DRS, SEM–EDX and XPS analysis.
The photocatalytic activity of mesoporous titania was studied by methyl orange (MO) photoreduction
reaction. From the experimental results it was observed that the N-doped mesoporous titania (1:2) gives
the highest photocatalytic reduction of MO as compared to N-doped mesoporous titania prepared with
(1:1) and (1:3) stoichiometry. This could be due to the optimal level of ‘N’ incorporation in the N-doped
mesoporous titania (1:2).
Photocatalysts reduce theMO dye into derivative of hydrazine. Photoactivity of N-doped mesoporous
titania (1:2) is 1.0721 mg of MO reduced per g of TiO2 vis-a` -vis 0.508 mg of MO reduced per g of TiO2 for
Degussa P25 photocatalyst. The effect of various operating parameters like photocatalyst loading, initial
concentration and intensity of light also has been studied.
 
Publisher Elsevier
 
Date 2009-01-04
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://neeri.csircentral.net/1004/1/joshi2009%281%29.pdf
Joshi, Meenal M and Labhsetwar, Nitin and Mangrulkar, Priti A and Tijare, Saumitra N and Kamble, Sanjay P and Rayalu, Sadhana S (2009) Visible light induced photoreduction of methyl orange by N-doped mesoporous titania. Applied Catalysis A: General, 357. pp. 26-33. ISSN 0926-3373
 
Relation https://www.journals.elsevier.com/applied-catalysis-a-general
http://neeri.csircentral.net/1004/