Rational construction of LaFeO3 perovskite nanoparticle-modified TiO2 nanotube arrays for visible-light driven photocatalytic activity - Details

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Abstract：

LaFeO3　nanoparticle-modified　TiO2　nanotube　arrays　were　fabricated　through　facile　hydrothermal　growth.　The　absorption　edge　of　LaFeO3　nanoparticle-modified　TiO2　nanotube　arrays　displaying　a　red　shift　to　~540　nm　was　indicated　by　the　results　of　diffuse　reflectance　spectroscopy　(DRS)　when　compared　to　TiO2　nanotube　arrays,　which　means　that　the　sample　of　LaFeO3　nanoparticle-modified　TiO2　nanotube　arrays　had　enhanced　visible　light　response.　Photoluminescence　(PL)　spectra　showed　that　the　LaFeO3　nanoparticle-modified　TiO2　nanotube　arrays　efficiently　separated　the　photoinduced　electron-hole　pairs　and　effectively　prolonged　the　endurance　of　photogenerated　carriers.　The　results　of　methylene　blue　(MB)　degeneration　under　simulated　visible　light　illumination　showed　that　the　photocatalytic　activity　of　LaFeO3　nanoparticle-modified　TiO2　nanotube　arrays　is　obviously　increased.　LaFeO3　nanoparticle-modified　TiO2　nanotube　arrays　with　12　h　hydrothermal　reaction　time　showed　the　highest　degradation　rate　with　a　2-fold　enhancement　compared　with　that　of　pristine　TiO2　nanotube　arrays.　©　2018　by　the　authors.

Keyword：

Heterojunction; LaFeO3; Perovskite; Photocatalysis; TiO2 nanotube; Visible light driven

Community：

[ 1 ] [Yu, J.]State Key Laboratory of Physical Chemistry of Solid Surface, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
[ 2 ] [Yu, J.]Shenzhen Research Institute of Xiamen University, Shenzhen, 518000, China
[ 3 ] [Xiang, S.]State Key Laboratory of Physical Chemistry of Solid Surface, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
[ 4 ] [Ge, M.]College of Textile and Clothing Engineering, Soochow University, Suzhou, 215006, China
[ 5 ] [Zhang, Z.]State Key Laboratory of Physical Chemistry of Solid Surface, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
[ 6 ] [Huang, J.]College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China
[ 7 ] [Tang, Y.]School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue639798, Singapore
[ 8 ] [Tang, Y.]Institute of Applied Physics and Materials Engineering, University of Macau, Macau
[ 9 ] [Sun, L.]State Key Laboratory of Physical Chemistry of Solid Surface, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
[ 10 ] [Sun, L.]Shenzhen Research Institute of Xiamen University, Shenzhen, 518000, China
[ 11 ] [Lin, C.]State Key Laboratory of Physical Chemistry of Solid Surface, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
[ 12 ] [Lai, Y.]College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China

Reprint 's Address：

[Sun, L.]State Key Laboratory of Physical Chemistry of Solid Surface, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen UniversityChina

Email：

sunlan@xmu.edu.cn

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ISSN： 2079-6412

Year： 2018

Issue： 11

Volume： 8

2 . 3 3

JCR@2018

2 . 9 0 0

JCR@2023

ESI HC Threshold：284

JCR Journal Grade：2

CAS Journal Grade：3

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 19

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 3

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