文档介绍：Preparation of Ru-doped TiO2 nanotubes electrode
and its application in methyl orange
photoelectrocatalytic degradation
WANG Liming1,2 YAO Binghua
1. Institute of Water Resources and Hydro-electric Institute of Water Resources and Hydro-electric
Engineering, Xi’an University of Technology Engineering, Faculty of Science
2. School of Environmental and Chemical Engineering Xi’an University of Technology
Xi’an Polytechnic University Xi’an, China
Xi’an, China
e-mail:lmwang0101@
Abstract—Ru-doped TiO2 nanotubes electrode was prepared on a catalytic performance of the prepared electrode. The objective
titanium plate by direct anodic oxidation and immersing method of this research was to decrease the bination rate of
in sequence. X-ray diffraction (XRD) and Scanning electron photoinduced electron/hole pairs t and then offer scientific data
microscopy (SEM) showed that the Ru-doped TiO2 nanotubes to its practical application.
were well aligned anized into high density uniform arrays
with diameter ranging from 60 to 90 nm. Ru ions were mainly
II. EXPERIMENTAL
located on the surface of TiO2 nanotubes in form of RuO2
clusters. The degradation rate of methyl orange (MO) using Ru-
A. Sample preparation
doped TiO2 nanotubes electrode was found to be times as
high as that using TiO2 nanotubes electrode. The optimum The high purity