Understanding fragility and engineering activation stability in two-dimensional covalent organic frameworks

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dc.citation.firstpage9655en_US
dc.citation.journalTitleChemical Scienceen_US
dc.citation.lastpage9667en_US
dc.citation.volumeNumber13en_US
dc.contributor.authorZhu, Dongyangen_US
dc.contributor.authorZhang, Jun-Jieen_US
dc.contributor.authorWu, Xiaoweien_US
dc.contributor.authorYan, Qianqianen_US
dc.contributor.authorLiu, Fangxinen_US
dc.contributor.authorZhu, Yifanen_US
dc.contributor.authorGao, Xiaodongen_US
dc.contributor.authorRahman, Muhammad M.en_US
dc.contributor.authorYakobson, Boris I.en_US
dc.contributor.authorAjayan, Pulickel M.en_US
dc.contributor.authorVerduzco, Rafaelen_US
dc.date.accessioned2022-09-08T14:40:02Zen_US
dc.date.available2022-09-08T14:40:02Zen_US
dc.date.issued2022en_US
dc.description.abstractThe sensitivity of covalent organic frameworks (COFs) to pore collapse during activation processes is generally termed activation stability, and activation stability is important for achieving and maintaining COF crystallinity and porosity which are relevant to a variety of applications. However, current understanding of COF stability during activation is insufficient, and prior studies have focused primarily on thermal stability or on the activation stability of other porous materials, such as metal–organic frameworks (MOFs). In this work, we demonstrate and implement a versatile experimental approach to quantify activation stability of COFs and use this to establish a number of relationships between their pore size, the type of pore substituents, pore architecture, and structural robustness. Additionally, density functional theory calculations reveal the impact on both inter-and intra-layer interactions, which govern activation stability, and we demonstrate that activation stability can be systematically tuned using a multivariate synthesis approach involving mixtures of functionalized and unfunctionalized COF building blocks. Our findings provide novel fundamental insights into the activation stability of COFs and offer guidance for the design of more robust COFs.en_US
dc.identifier.citationZhu, Dongyang, Zhang, Jun-Jie, Wu, Xiaowei, et al.. "Understanding fragility and engineering activation stability in two-dimensional covalent organic frameworks." <i>Chemical Science,</i> 13, (2022) Royal Society of Chemistry: 9655-9667. https://doi.org/10.1039/D2SC03489A.en_US
dc.identifier.digitald2sc03489aen_US
dc.identifier.doihttps://doi.org/10.1039/D2SC03489Aen_US
dc.identifier.urihttps://hdl.handle.net/1911/113193en_US
dc.language.isoengen_US
dc.publisherRoyal Society of Chemistryen_US
dc.rightsThis Open Access Article is licensed under a Creative Commons Attribution-Non Commercial 3.0 Unported Licenceen_US
dc.rights.urihttps://creativecommons.org/licenses/by-nc/3.0/en_US
dc.titleUnderstanding fragility and engineering activation stability in two-dimensional covalent organic frameworksen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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