Effect of platinum dispersion on photocatalytic performance of Pt-TiO2

  • Lili Hou
  • Min Zhang
  • Zhongjie Guan
  • Qiuye Li
  • Jianjun Yang
Research Paper


Noble metal Pt nanoparticles have been considered as the most effective co-catalyst to improve the photocatalytic hydrogen production activity of TiO2. In this study, the effect of the dispersion of Pt nanoparticles on the photoactivity of TiO2 nanotubes was investigated. Compared with the samples that the co-catalyst of Pt nanoparticles agglomerated or freely dispersed, the sample with the uniformly dispersion of Pt nanoparticles showed a higher performance for photocatalytic hydrogen production. The photocatalysts were characterized systematically by TEM, BET, UV-Vis, XPS, and PL techniques, and the relationship between the structure and the photoactivity was investigated in detail. The results demonstrated that the dispersion status of Pt nanoparticles had a crucial effect on the photocatalytic activity.


TiO2 Pt co-catalyst Dispersion Photocatalytic hydrogen production 


Funding information

This work was supported by the National Natural Science Foundation of China (21673066, 51702087 and 21703054), Program for Science & Technology Innovation Talents (15HASTIT043), and Innovative Research Team (16IRTSTHN015) from the University of Henan Province.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  1. 1.National & Local Joint Engineering Research Center for Applied Technology of Hybrid Nanomaterials, Collaborative Innovation Center of Nano Functional Materials and Applications of Henan ProvinceHenan UniversityKaifengPeople’s Republic of China

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