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Abstract：
Cerium element with a unique electric structure can be used to modify semiconductor photocatalysts to enhance their photocatalytic performances. In this work, Ce-doped TiO2 (Ce/TiO2) was successfully achieved using the sol-gel method. The structural characterization methods confirm that Ce was doped in the lattice of anatase TiO2, which led to a smaller grain size. The performance test results show that the Ce doped in anatase TiO2 significantly enhances the charge transport efficiency and broadens the light absorption range, resulting in higher photocatalytic performance. The Ce/TiO2 exhibited a photocurrent density of 10.9 mu A/cm(2) at 1.0 V vs. Ag/AgCl, 2.5 times higher than that of pure TiO2 (4.3 mu A/cm(2)) under AM 1.5 G light. The hydrogen (H-2) production rate of the Ce/TiO2 was approximately 0.33 mu mol/h/g, which is more than twice as much as that of the pure anatase TiO2 (0.12 mu mol/h/g). This work demonstrates the effect of Ce doping in the lattice of TiO2 for enhanced photocatalytic hydrogen production.
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MOLECULES
ISSN： 1420-3049
Year： 2023
Issue： 6
Volume： 28
4 . 2
JCR@2023
4 . 2 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
ESI HC Threshold：39
JCR Journal Grade：2
CAS Journal Grade：3
Cited Count：
WoS CC Cited Count： 3
SCOPUS Cited Count： 5
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 4
Affiliated Colleges：
