Direct Growth of ZnO Nanocrystals onto the Surface of Porous TiO 2 Nanotube Arrays for Highly Efficient and Recyclable Photocatalysts

Hui Ying Yang; Siu Fung Yu; Shu Ping Lau; Xiwang Zhang; Darren Delai Sun; Guo Jun

doi:10.1002/smll.200900724

Direct Growth of ZnO Nanocrystals onto the Surface of Porous TiO ₂ Nanotube Arrays for Highly Efficient and Recyclable Photocatalysts

Hui Ying Yang, Siu Fung Yu, Shu Ping Lau, Xiwang Zhang, Darren Delai Sun, Guo Jun

Research output: Journal article publication › Journal article › Academic research › peer-review

111 Citations (Scopus)

Abstract

ZnO nanocrystal-coated, vertically oriented, porous TiO2 nanotube arrays (see image) are used as efficient and low-cost photocatalysts. The exposed surface area and contact area are maximized to achieve high-efficiency photocatalytic decomposition via a heterojunction effect. The configuration of vertically aligned nanotube arrays also allows the diffusion of reactants through multiple pathways to enhance light harvest.

Original language	English
Pages (from-to)	2260-2264
Number of pages	5
Journal	Small
Volume	5
Issue number	20
DOIs	https://doi.org/10.1002/smll.200900724
Publication status	Published - 16 Oct 2009

Keywords

Nanocrystals
Nanotubes
Photocatalysis
Titanium oxide
Zinc oxide

ASJC Scopus subject areas

Biotechnology
Biomaterials
Engineering (miscellaneous)

More information

10.1002/smll.200900724

Cite this

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AU - Sun, Darren Delai

AU - Jun, Guo

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