Synthesis and Photocatalytic Activity of ZnGa2O4 Nanocubes

JIANG Yan-bo; JIAO Shu-jie; GAO Shi-yong; WANG Dong-bo; WANG Jin-zhong

doi:10.3788/fgxb20194005.0602

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Synthesis and Photocatalytic Activity of ZnGa₂O₄ Nanocubes

Synthesis and Properties of Materials | 更新时间：2020-08-12

- Synthesis and Photocatalytic Activity of ZnGa₂O₄ Nanocubes
- Chinese Journal of Luminescence Vol. 40, Issue 5, Pages: 602-609(2019)
- 作者机构：
  
  哈尔滨工业大学材料科学与工程学院, 黑龙江哈尔滨 150001
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China(61574051,61774051)
- DOI：10.3788/fgxb20194005.0602
  CLC： O472
- Received：21 May 2018，
  
  Revised：04 August 2018，
  
  Published Online：30 August 2018，
  
  Published：05 May 2019
- 稿件说明：
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姜雁博, 矫淑杰, 高世勇等. 立方纳米结构ZnGa2O4的制备及光催化性质[J]. 发光学报, 2019,40(5): 602-609

JIANG Yan-bo, JIAO Shu-jie, GAO Shi-yong etc. Synthesis and Photocatalytic Activity of ZnGa2O4 Nanocubes[J]. Chinese Journal of Luminescence, 2019,40(5): 602-609
姜雁博, 矫淑杰, 高世勇等. 立方纳米结构ZnGa2O4的制备及光催化性质[J]. 发光学报, 2019,40(5): 602-609 DOI： 10.3788/fgxb20194005.0602.

JIANG Yan-bo, JIAO Shu-jie, GAO Shi-yong etc. Synthesis and Photocatalytic Activity of ZnGa2O4 Nanocubes[J]. Chinese Journal of Luminescence, 2019,40(5): 602-609 DOI： 10.3788/fgxb20194005.0602.

摘要

首先采用水热法在FTO衬底上制备出-GaOOH纳米柱阵列，再以-GaOOH纳米柱/FTO结构作为前驱体进行水热反应，经溶解再结晶过程，-GaOOH纳米柱可转变为边长约为500 nm的ZnGa

纳米立方块。在模拟太阳光源辐照下的一系列光催化实验结果表明:样品对亚甲基蓝具有较强的吸附作用和较高的光催化活性，对罗丹明B、刚果红的吸附能力和光催化作用都很弱，对甲基橙只有较弱的光催化作用；H

可以作为电子捕捉剂和供氧剂，促进样品的导带电子参与活性自由基的形成，使样品对染料表现出持续较高的光催化活性。

Abstract

-GaOOH nanorod arrays on FTO substrates are synthesized by a simple hydrothermal method for the first time

which can be used as a precursor and converted

via

hydrothermal reaction into ZnGa

nanocubes due to a dissolution-recrystallization process. The characterization results of samples indicate that as-prepared ZnGa

on FTO belongs to cubic system and has the cubic morpohology with the size of about 500 nm. A series of photocatalytic experiments have been performed under simulated sunlight irradiation and the results indicate that ZnGa

nanocubes show both enhanced adsorption and photocatalytic abilities for methylene blue compared with rhodamine B and congo red

and only show weak photocatalytic activity for methyl orange. As electron scavenger and oxygen provider

can facilitate the formation of free radicals with high chemical reactivity and make as-prepared samples possess continuous and enhanced photocatalytic activity of dyes.

关键词

Keywords

references

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