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Design of TiO2 nanorods and nanotubes doped with lanthanum and comparative kinetic study in the photodegradation of formic acid

Paper ID Volume ID Publish Year Pages File Format Full-Text
50551 46801 2015 5 PDF Available
Title
Design of TiO2 nanorods and nanotubes doped with lanthanum and comparative kinetic study in the photodegradation of formic acid
Abstract

•Evaluation of anisotropic TiO2 materials in the photodegradation of formic acid•Lanthanum slows down the growth of the anatase crystalline domains.•Lanthanum favors the formation of surface oxygen vacancies.•Lanthanum increases the life-time of photo-generated electron–hole pairs.

Lanthanum doped 1D-TiO2 nanomaterials (nanorods and nanotubes) with tuned structural and textural properties have been evaluated in the photocatalytic degradation of formic acid (FA) under UV conditions. La-doped nanorods and nanotubes calcined at 973 K show interesting photocatalytic properties with respect to La-free nanomaterials. The presence of La inhibits TiO2 crystallite growth and increases the lifetime of photo-generated electron–hole pairs.

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Keywords
Lanthanum; Nanorods; Nanotubes; TiO2; Photocatalysis; Formic acid
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Design of TiO2 nanorods and nanotubes doped with lanthanum and comparative kinetic study in the photodegradation of formic acid
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 61, 10 February 2015, Pages 107–111
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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