化工新型材料

化工新型材料 ›› 2023, Vol. 51 ›› Issue (3) : 132-135. DOI: 10.19817/j.cnki.issn1006-3536.2023.03.024

新材料与新技术

离子液体掺杂金属Ru改性TiO₂光催化材料的制备及性能研究

王亮, 杜瑞成

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Preparation and properties of ionic liquid-doped metal Ru-modified TiO₂ photocatalytic materials

Wang Liang, Du Ruicheng

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文章历史 +

Received		Published
2022-09-12		2023-03-20
Issue Date	Revised Date
2023-03-29	2022-09-12

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摘要

准备实验材料与实验仪器设备,制备0、0.1%、0.3%的TiO₂光催化材料,将其标注为纯TiO₂、0.1%浓度Ru的TiO₂、0.3%浓度Ru的TiO₂,测试金属Ru对TiO₂孔径的影响、改性TiO₂光催化材料紫外-可见光吸收性能和光催化反应性能。结果表明:改性TiO₂光催化材料属于介孔类材料,当金属Ru掺入浓度较低时,TiO₂材料性能不会受到影响,随着金属Ru掺入浓度增加,改性TiO₂光催化材料的体积/孔径比增加;TiO₂光催化材料紫外-可见光吸收性能、光催化降解与离子液体掺杂金属Ru浓度具有正相关关系,离子液体掺杂金属Ru浓度的不断增加,改性TiO₂光催化材料紫外-可见光吸收能力与光催化降解率随之增加。

Abstract

The TiO₂ photocatalytic materials containing Ru concentration of 0,0.1%,and 0.3% were prepared and labeled as pure TiO₂,TiO₂ with 0.1% Ru,TiO₂ with 0.3% Ru.The effects of the metal Ru on the pore size,UV-Visible absorption performance and photocatalytic reaction performance of modified TiO₂ photocatalytic materials were investigated.The results showed that the modified TiO₂ photocatalytic materials belonged to the mesoporous material.When the doping concentration of metal Ru was low,the performance of the TiO₂ materials was not affected.As the doping concentration of metal Ru increased,the volume/pore size ratio of modified TiO₂ photocatalytic materials increased.The UV-visible light absorption performance and photocatalytic degradation of TiO₂ photocatalytic materials were positively correlated with the concentration of Ru doped in ionic liquids,and the UV-visible light absorption capacity and photocatalytic degradation rate increased accordingly.

关键词

离子液体 / 光催化材料 / 改性二氧化钛 / 掺杂金属钌

Key words

ionic liquid / photocatalytic material / modified TiO₂ / doping metal Ru

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离子液体掺杂金属Ru改性TiO₂光催化材料的制备及性能研究[J]. 化工新型材料, 2023, 51(3): 132-135 DOI:10.19817/j.cnki.issn1006-3536.2023.03.024

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