Photocatalytic hydrogen production using TiO2 nanogranules prepared by hydrothermal route

被引：50
作者：
Hunge, Y. M. [1 ]
Yadav, A. A. [2 ]
Mathe, V. L. [1 ]
机构：
[1] Savitribai Phule Pune Univ, Dept Phys, Pune 411007, Maharashtra, India
[2] Inst Sci, Dept Phys, Mumbai 410032, Maharashtra, India
来源：
CHEMICAL PHYSICS LETTERS | 2019年 / 731卷
关键词：
Semiconductors; Solar energy materials; Photocatalytic hydrogen production; GAS-SENSING PROPERTIES; VISIBLE-LIGHT; DEGRADATION; WATER; CDS; OXYGEN; RED;
D O I：
10.1016/j.cplett.2019.07.010
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this investigation TiO2, nanogranules were synthesized by simple, cost effective hydrothermal route. The stepwise study of various structural, morphological and compositional properties of TiO2 photocatalyst is done. XRD study reveals that the TiO2 thin films are polycrystalline in nature with the tetragonal crystal structure. SEM images show that the substrate surface is covered with a uniform, nanogranule like morphology. Optical band gap lies in the ultraviolet region. Hydrothermally prepared TiO2 nanogranules show a good photocatalytic H-2 evolution activity. The photocatalytic hydrogen production rate for TiO2 nanogranules found to be 79.1 mu mol g(-1) h(-1) after each 9 h cycle.
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页数：4
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