{"title":"改性g-C3N4光催化还原CO2","authors":"Xuejiao Wang , Suiying Dong , Kezhen Qi , Vadim Popkov , Xianglin Xiang","doi":"10.3866/PKU.WHXB202408005","DOIUrl":null,"url":null,"abstract":"<div><div>The use of carbon-based fuels causes a significant increase in CO<sub>2</sub> emissions, posing a serious threat to the environment. This review explores the potential application of graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>) in photocatalytic CO<sub>2</sub> reduction as a strategy to mitigate global warming. The effectiveness of g-C<sub>3</sub>N<sub>4</sub> (gCN) in this process is hindered by several factors, including rapid exciton recombination, limited solar light absorption, and a lack of active sites for conducting the reduction. To address these challenges, various amendment techniques have been executed, such as adjusting the morphology of g-C<sub>3</sub>N<sub>4</sub>, doping it with different atoms, and forming heterojunctions with other semiconductors. This review highlights the role of S-scheme heterojunctions in expanding the photocatalytic activity of g-C<sub>3</sub>N<sub>4</sub> and emphasizes that, despite its potential as a photocatalyst for CO<sub>2</sub> reduction, further research and innovation are essential to overcome its current limitations.</div><div><span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (108KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>","PeriodicalId":6964,"journal":{"name":"物理化学学报","volume":"40 12","pages":"Article 2408005"},"PeriodicalIF":10.8000,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Photocatalytic CO2 Reduction by Modified g-C3N4\",\"authors\":\"Xuejiao Wang , Suiying Dong , Kezhen Qi , Vadim Popkov , Xianglin Xiang\",\"doi\":\"10.3866/PKU.WHXB202408005\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>The use of carbon-based fuels causes a significant increase in CO<sub>2</sub> emissions, posing a serious threat to the environment. This review explores the potential application of graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>) in photocatalytic CO<sub>2</sub> reduction as a strategy to mitigate global warming. The effectiveness of g-C<sub>3</sub>N<sub>4</sub> (gCN) in this process is hindered by several factors, including rapid exciton recombination, limited solar light absorption, and a lack of active sites for conducting the reduction. To address these challenges, various amendment techniques have been executed, such as adjusting the morphology of g-C<sub>3</sub>N<sub>4</sub>, doping it with different atoms, and forming heterojunctions with other semiconductors. This review highlights the role of S-scheme heterojunctions in expanding the photocatalytic activity of g-C<sub>3</sub>N<sub>4</sub> and emphasizes that, despite its potential as a photocatalyst for CO<sub>2</sub> reduction, further research and innovation are essential to overcome its current limitations.</div><div><span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (108KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>\",\"PeriodicalId\":6964,\"journal\":{\"name\":\"物理化学学报\",\"volume\":\"40 12\",\"pages\":\"Article 2408005\"},\"PeriodicalIF\":10.8000,\"publicationDate\":\"2024-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"物理化学学报\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1000681824001826\",\"RegionNum\":2,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, PHYSICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"物理化学学报","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1000681824001826","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
The use of carbon-based fuels causes a significant increase in CO2 emissions, posing a serious threat to the environment. This review explores the potential application of graphitic carbon nitride (g-C3N4) in photocatalytic CO2 reduction as a strategy to mitigate global warming. The effectiveness of g-C3N4 (gCN) in this process is hindered by several factors, including rapid exciton recombination, limited solar light absorption, and a lack of active sites for conducting the reduction. To address these challenges, various amendment techniques have been executed, such as adjusting the morphology of g-C3N4, doping it with different atoms, and forming heterojunctions with other semiconductors. This review highlights the role of S-scheme heterojunctions in expanding the photocatalytic activity of g-C3N4 and emphasizes that, despite its potential as a photocatalyst for CO2 reduction, further research and innovation are essential to overcome its current limitations.
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