N掺杂和光化学合成CoSex助催化剂改性石墨相氮化碳以提高其光催化产氢性能

O644.1; 开发一种高效的产氢光催化剂对于将太阳能转化为氢能至关重要.该研究将氮掺杂石墨相氮化碳(CN)与光化学合成得到的助催化剂CoSeA相结合,通过原位合成制备了一种高效的光催化产氢材料.该材料的最佳光催化性能较CN提高285倍.光电化学试验表明,氮掺杂和引入CoSex可以有效促进光生电荷载流子的分离,从而提高CN的产氢活性.该工作为利用光化学沉积方法制备新型光催化剂提供了新的视角....

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Published in东华大学学报（英文版） Vol. 41; no. 3; pp. 249 - 256
Main Authors 刘思伟, 郗传俊, 张琳萍, 宣为民, 侯煜
Format Journal Article
LanguageChinese
Published 东华大学生态纺织教育部重点实验室,上海 201620 2024
东华大学化学与化工学院,上海 201620
Subjects
产氢
光催化剂
助催化剂
氮掺杂
co-catalyst
CoSex
photocatalyst
hydrogen production
nitrogen-doping
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Abstract O644.1; 开发一种高效的产氢光催化剂对于将太阳能转化为氢能至关重要.该研究将氮掺杂石墨相氮化碳(CN)与光化学合成得到的助催化剂CoSeA相结合,通过原位合成制备了一种高效的光催化产氢材料.该材料的最佳光催化性能较CN提高285倍.光电化学试验表明,氮掺杂和引入CoSex可以有效促进光生电荷载流子的分离,从而提高CN的产氢活性.该工作为利用光化学沉积方法制备新型光催化剂提供了新的视角.
AbstractList O644.1; 开发一种高效的产氢光催化剂对于将太阳能转化为氢能至关重要.该研究将氮掺杂石墨相氮化碳(CN)与光化学合成得到的助催化剂CoSeA相结合,通过原位合成制备了一种高效的光催化产氢材料.该材料的最佳光催化性能较CN提高285倍.光电化学试验表明,氮掺杂和引入CoSex可以有效促进光生电荷载流子的分离,从而提高CN的产氢活性.该工作为利用光化学沉积方法制备新型光催化剂提供了新的视角.
Abstract_FL Developing an efficient photocatalyst for hydrogen production is crucial for the conversion of solar energy to hydrogen.An efficient photocatalytic hydrogen evolution material was prepared by altering the graphite carbon nitride(CN)through nitrogen-doping and employing CoSex as a co-catalyst through a photochemical synthesis route.The optimal photocatalytic performance of the material is 285 times higher than that of CN.Photoelectrochemical experiments demonstrate that nitrogen-doping and introducing CoSex can effectively promote the separation of photogenerated charge carriers,thus increasing the hydrogen evolution activity of CN.This work may provide new perspectives for the preparation of novel photocatalysts by photochemical deposition methods.
Author 侯煜
郗传俊
张琳萍
刘思伟
宣为民
AuthorAffiliation 东华大学化学与化工学院,上海 201620;东华大学生态纺织教育部重点实验室,上海 201620
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Author_FL XI Chuanjun
HOU Yu
XUAN Weimin
LIU Siwei
ZHANG Linping
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DocumentTitle_FL Modification of Graphite Carbon Nitride by Nitrogen-Doping and in situ Loading CoSex as Co-Catalyst by Light-Assisted Synthesis for Enhanced Photocatalytic Hydrogen Production
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Keywords 产氢
光催化剂
助催化剂
氮掺杂
co-catalyst
CoSex
photocatalyst
hydrogen production
nitrogen-doping
Language Chinese
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东华大学化学与化工学院,上海 201620
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Title N掺杂和光化学合成CoSex助催化剂改性石墨相氮化碳以提高其光催化产氢性能
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