用于制氢和分解染料的 g-C3N4/TiO2 复合光催化剂

IF 1.3 4区 化学 Q4 CHEMISTRY, PHYSICAL
A. V. Zhurenok, A. A. Sushnikova, A. A. Valeeva, A. Yu. Kurenkova, D. D. Mishchenko, E. A. Kozlova, A. A. Rempel’
{"title":"用于制氢和分解染料的 g-C3N4/TiO2 复合光催化剂","authors":"A. V. Zhurenok,&nbsp;A. A. Sushnikova,&nbsp;A. A. Valeeva,&nbsp;A. Yu. Kurenkova,&nbsp;D. D. Mishchenko,&nbsp;E. A. Kozlova,&nbsp;A. A. Rempel’","doi":"10.1134/S0023158423601225","DOIUrl":null,"url":null,"abstract":"<p>The photocatalytic activity of the g-C<sub>3</sub>N<sub>4</sub>/TiO<sub>2</sub> composite samples in the processes of dye (methylene blue) decomposition and hydrogen evolution from an aqueous ethanol solution under the action of visible radiation (400 nm) has been studied. A new original method for the synthesis of the g-C<sub>3</sub>N<sub>4</sub>/TiO<sub>2</sub> composite by depositing g-C<sub>3</sub>N<sub>4</sub>/TiO<sub>2</sub> to TiO<sub>2</sub> nanoparticles during sol-gel synthesis is proposed. The synthesized photocatalysts were characterized by X-ray diffraction, low-temperature gas adsorption, X-ray photoelectron spectroscopy, high-resolution transmission microscopy, and diffuse reflectance spectroscopy in the UV and visible regions. The maximum activity in the hydrogen evolution reaction was 1.3 mmol <span>\\({\\text{g}}_{{{\\text{cat}}}}^{{ - 1}}\\)</span> h<sup>–1</sup>, which exceeds the rate of hydrogen evolution on the unmodified g-C<sub>3</sub>N<sub>4</sub> and TiO<sub>2</sub> samples.</p>","PeriodicalId":682,"journal":{"name":"Kinetics and Catalysis","volume":"65 2","pages":"112 - 121"},"PeriodicalIF":1.3000,"publicationDate":"2024-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Composite Photocatalysts g-C3N4/TiO2 for Hydrogen Production and Dye Decomposition\",\"authors\":\"A. V. Zhurenok,&nbsp;A. A. Sushnikova,&nbsp;A. A. Valeeva,&nbsp;A. Yu. Kurenkova,&nbsp;D. D. Mishchenko,&nbsp;E. A. Kozlova,&nbsp;A. A. Rempel’\",\"doi\":\"10.1134/S0023158423601225\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The photocatalytic activity of the g-C<sub>3</sub>N<sub>4</sub>/TiO<sub>2</sub> composite samples in the processes of dye (methylene blue) decomposition and hydrogen evolution from an aqueous ethanol solution under the action of visible radiation (400 nm) has been studied. A new original method for the synthesis of the g-C<sub>3</sub>N<sub>4</sub>/TiO<sub>2</sub> composite by depositing g-C<sub>3</sub>N<sub>4</sub>/TiO<sub>2</sub> to TiO<sub>2</sub> nanoparticles during sol-gel synthesis is proposed. The synthesized photocatalysts were characterized by X-ray diffraction, low-temperature gas adsorption, X-ray photoelectron spectroscopy, high-resolution transmission microscopy, and diffuse reflectance spectroscopy in the UV and visible regions. The maximum activity in the hydrogen evolution reaction was 1.3 mmol <span>\\\\({\\\\text{g}}_{{{\\\\text{cat}}}}^{{ - 1}}\\\\)</span> h<sup>–1</sup>, which exceeds the rate of hydrogen evolution on the unmodified g-C<sub>3</sub>N<sub>4</sub> and TiO<sub>2</sub> samples.</p>\",\"PeriodicalId\":682,\"journal\":{\"name\":\"Kinetics and Catalysis\",\"volume\":\"65 2\",\"pages\":\"112 - 121\"},\"PeriodicalIF\":1.3000,\"publicationDate\":\"2024-05-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Kinetics and Catalysis\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://link.springer.com/article/10.1134/S0023158423601225\",\"RegionNum\":4,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"CHEMISTRY, PHYSICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Kinetics and Catalysis","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1134/S0023158423601225","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 0

摘要

摘要 研究了 g-C3N4/TiO2 复合样品在可见光辐射(400 nm)作用下从乙醇水溶液中分解染料(亚甲基蓝)和进化氢的光催化活性。研究提出了一种新的合成 g-C3N4/TiO2 复合材料的独创方法,即在溶胶-凝胶合成过程中将 g-C3N4/TiO2 沉积到 TiO2 纳米颗粒上。通过 X 射线衍射、低温气体吸附、X 射线光电子能谱、高分辨率透射显微镜以及紫外和可见光区漫反射光谱对合成的光催化剂进行了表征。氢气进化反应的最大活性为 1.3 mmol \({\text{g}}_{{text\{cat}}}}^{ - 1}}\) h-1,超过了未改性 g-C3N4 和 TiO2 样品的氢气进化速率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Composite Photocatalysts g-C3N4/TiO2 for Hydrogen Production and Dye Decomposition

Composite Photocatalysts g-C3N4/TiO2 for Hydrogen Production and Dye Decomposition

Composite Photocatalysts g-C3N4/TiO2 for Hydrogen Production and Dye Decomposition

The photocatalytic activity of the g-C3N4/TiO2 composite samples in the processes of dye (methylene blue) decomposition and hydrogen evolution from an aqueous ethanol solution under the action of visible radiation (400 nm) has been studied. A new original method for the synthesis of the g-C3N4/TiO2 composite by depositing g-C3N4/TiO2 to TiO2 nanoparticles during sol-gel synthesis is proposed. The synthesized photocatalysts were characterized by X-ray diffraction, low-temperature gas adsorption, X-ray photoelectron spectroscopy, high-resolution transmission microscopy, and diffuse reflectance spectroscopy in the UV and visible regions. The maximum activity in the hydrogen evolution reaction was 1.3 mmol \({\text{g}}_{{{\text{cat}}}}^{{ - 1}}\) h–1, which exceeds the rate of hydrogen evolution on the unmodified g-C3N4 and TiO2 samples.

求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
Kinetics and Catalysis
Kinetics and Catalysis 化学-物理化学
CiteScore
2.10
自引率
27.30%
发文量
64
审稿时长
6-12 weeks
期刊介绍: Kinetics and Catalysis Russian is a periodical that publishes theoretical and experimental works on homogeneous and heterogeneous kinetics and catalysis. Other topics include the mechanism and kinetics of noncatalytic processes in gaseous, liquid, and solid phases, quantum chemical calculations in kinetics and catalysis, methods of studying catalytic processes and catalysts, the chemistry of catalysts and adsorbent surfaces, the structure and physicochemical properties of catalysts, preparation and poisoning of catalysts, macrokinetics, and computer simulations in catalysis. The journal also publishes review articles on contemporary problems in kinetics and catalysis. The journal welcomes manuscripts from all countries in the English or Russian language.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信