Congcong Yin, Muning Chen, Ziyin Zhang, Kai Liu, Jinglin Gao, Xin Zhao, Yuping Wu, Yong Wang
{"title":"具有自适应孔的光活化三维共价有机框架膜用于co2识别和分离","authors":"Congcong Yin, Muning Chen, Ziyin Zhang, Kai Liu, Jinglin Gao, Xin Zhao, Yuping Wu, Yong Wang","doi":"10.1126/sciadv.adw8452","DOIUrl":null,"url":null,"abstract":"Creation of membrane channels capable of recognizing diverse molecules is desirable for advancing molecular transport and separation, but it remains difficult to precisely control their conformation and achieve dynamic adaption to specific molecules. Here, we demonstrate fine-tuning the pore environment within 3D covalent organic framework (COF) that can precisely control its pore size and polarity to recognize CO <jats:sub>2</jats:sub> . The pores are integrated with azobenzene units with photo-adaptable trans-to-cis isomerization, enabling dynamic pore size regulation at angstrom scale. Moreover, the isomerization induces drastic changes in intrapore polarity, which exert profound effects on the intermolecular affinity through the dipole-quadrupole interaction. Featuring these dynamic natures, the 3D COF membrane cooperating the size exclusion effect with a molecular recognition ability toward CO <jats:sub>2</jats:sub> . As a result, light-gating separation experiments show the superior CO <jats:sub>2</jats:sub> capture performance with a N <jats:sub>2</jats:sub> /CO <jats:sub>2</jats:sub> selectivity of 27.6. Theoretical calculations reveal that cis-state azobenzene can reduce the electron transfer barrier from azobenzene to CO <jats:sub>2</jats:sub> , thereby providing a molecular recognition pathway.","PeriodicalId":21609,"journal":{"name":"Science Advances","volume":"6 1","pages":""},"PeriodicalIF":12.5000,"publicationDate":"2025-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Light-activated 3D covalent organic framework membranes with adaptive pores for CO 2 recognition and separation\",\"authors\":\"Congcong Yin, Muning Chen, Ziyin Zhang, Kai Liu, Jinglin Gao, Xin Zhao, Yuping Wu, Yong Wang\",\"doi\":\"10.1126/sciadv.adw8452\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Creation of membrane channels capable of recognizing diverse molecules is desirable for advancing molecular transport and separation, but it remains difficult to precisely control their conformation and achieve dynamic adaption to specific molecules. Here, we demonstrate fine-tuning the pore environment within 3D covalent organic framework (COF) that can precisely control its pore size and polarity to recognize CO <jats:sub>2</jats:sub> . The pores are integrated with azobenzene units with photo-adaptable trans-to-cis isomerization, enabling dynamic pore size regulation at angstrom scale. Moreover, the isomerization induces drastic changes in intrapore polarity, which exert profound effects on the intermolecular affinity through the dipole-quadrupole interaction. Featuring these dynamic natures, the 3D COF membrane cooperating the size exclusion effect with a molecular recognition ability toward CO <jats:sub>2</jats:sub> . As a result, light-gating separation experiments show the superior CO <jats:sub>2</jats:sub> capture performance with a N <jats:sub>2</jats:sub> /CO <jats:sub>2</jats:sub> selectivity of 27.6. Theoretical calculations reveal that cis-state azobenzene can reduce the electron transfer barrier from azobenzene to CO <jats:sub>2</jats:sub> , thereby providing a molecular recognition pathway.\",\"PeriodicalId\":21609,\"journal\":{\"name\":\"Science Advances\",\"volume\":\"6 1\",\"pages\":\"\"},\"PeriodicalIF\":12.5000,\"publicationDate\":\"2025-08-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Science Advances\",\"FirstCategoryId\":\"103\",\"ListUrlMain\":\"https://doi.org/10.1126/sciadv.adw8452\",\"RegionNum\":1,\"RegionCategory\":\"综合性期刊\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MULTIDISCIPLINARY SCIENCES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Science Advances","FirstCategoryId":"103","ListUrlMain":"https://doi.org/10.1126/sciadv.adw8452","RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MULTIDISCIPLINARY SCIENCES","Score":null,"Total":0}
Light-activated 3D covalent organic framework membranes with adaptive pores for CO 2 recognition and separation
Creation of membrane channels capable of recognizing diverse molecules is desirable for advancing molecular transport and separation, but it remains difficult to precisely control their conformation and achieve dynamic adaption to specific molecules. Here, we demonstrate fine-tuning the pore environment within 3D covalent organic framework (COF) that can precisely control its pore size and polarity to recognize CO 2 . The pores are integrated with azobenzene units with photo-adaptable trans-to-cis isomerization, enabling dynamic pore size regulation at angstrom scale. Moreover, the isomerization induces drastic changes in intrapore polarity, which exert profound effects on the intermolecular affinity through the dipole-quadrupole interaction. Featuring these dynamic natures, the 3D COF membrane cooperating the size exclusion effect with a molecular recognition ability toward CO 2 . As a result, light-gating separation experiments show the superior CO 2 capture performance with a N 2 /CO 2 selectivity of 27.6. Theoretical calculations reveal that cis-state azobenzene can reduce the electron transfer barrier from azobenzene to CO 2 , thereby providing a molecular recognition pathway.
期刊介绍:
Science Advances, an open-access journal by AAAS, publishes impactful research in diverse scientific areas. It aims for fair, fast, and expert peer review, providing freely accessible research to readers. Led by distinguished scientists, the journal supports AAAS's mission by extending Science magazine's capacity to identify and promote significant advances. Evolving digital publishing technologies play a crucial role in advancing AAAS's global mission for science communication and benefitting humankind.