Observing the Growth of Metal-Organic Frameworks by in Situ Liquid Cell Transmission Electron Microscopy.
| Title: | Observing the Growth of Metal-Organic Frameworks by in Situ Liquid Cell Transmission Electron Microscopy. |
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| Authors: | Patterson, Joseph P.1, Abelian, Patricia2, Denny Jr., Michael S.1, Chiwoo Park3, Browning, Nigel D.2, Cohen, Seth M.1, Evans, James E.2,4, Gianneschi, Nathan C.1 ncgianneschi@ucsd.edu |
| Source: | Journal of the American Chemical Society. 6/17/2015, Vol. 137 Issue 23, p7322-7328. 7p. |
| Subject Terms: | *CRYSTAL morphology, *TRANSMISSION electron microscopy, *ELECTRON microscopy, *CRYSTALLOGRAPHY, *METALS |
| Abstract: | Liquid cell transmission electron microscopy (LCTEM) can provide direct observations of solution-phase nanoscale materials, and holds great promise as a tool for monitoring dynamic self-assembled nanomaterials. Control over particle behavior within the liquid cell, and under electron beam irradiation, is of paramount importance for this technique to contribute to our understanding of chemistry and materials science at the nanoscale. However, this type of control has not been demonstrated for complex, organic macromolecular materials, which form the basis for all biological systems and all of polymer science, and encompass important classes of advanced porous materials. Here we show that by controlling the liquid cell membrane surface chemistry and electron beam conditions, the dynamics and growth of metal--organic frameworks (MOFs) can be observed. Our results demonstrate that hybrid organic/inorganic beam-sensitive materials can be analyzed with LCTEM and, at least in the case of ZIF-8 dynamics, the results correlate with observations from bulk growth or other standard synthetic conditions. Furthermore, we show that LCTEM can be used to better understand how changes to synthetic conditions result in changes to particle size. We anticipate that direct, nanoscale imaging by LCTEM of MOF nucleation and growth mechanisms may provide insight into controlled MOF crystal morphology, domain composition, and processes influencing defect formation. [ABSTRACT FROM AUTHOR] |
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| Items | – Name: Title Label: Title Group: Ti Data: Observing the Growth of Metal-Organic Frameworks by in Situ Liquid Cell Transmission Electron Microscopy. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Patterson%2C+Joseph+P%2E%22">Patterson, Joseph P.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Abelian%2C+Patricia%22">Abelian, Patricia</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Denny+Jr%2E%2C+Michael+S%2E%22">Denny Jr., Michael S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Chiwoo+Park%22">Chiwoo Park</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Browning%2C+Nigel+D%2E%22">Browning, Nigel D.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Cohen%2C+Seth+M%2E%22">Cohen, Seth M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Evans%2C+James+E%2E%22">Evans, James E.</searchLink><relatesTo>2,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Gianneschi%2C+Nathan+C%2E%22">Gianneschi, Nathan C.</searchLink><relatesTo>1</relatesTo><i> ncgianneschi@ucsd.edu</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Journal+of+the+American+Chemical+Society%22">Journal of the American Chemical Society</searchLink>. 6/17/2015, Vol. 137 Issue 23, p7322-7328. 7p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22CRYSTAL+morphology%22">CRYSTAL morphology</searchLink><br />*<searchLink fieldCode="DE" term="%22TRANSMISSION+electron+microscopy%22">TRANSMISSION electron microscopy</searchLink><br />*<searchLink fieldCode="DE" term="%22ELECTRON+microscopy%22">ELECTRON microscopy</searchLink><br />*<searchLink fieldCode="DE" term="%22CRYSTALLOGRAPHY%22">CRYSTALLOGRAPHY</searchLink><br />*<searchLink fieldCode="DE" term="%22METALS%22">METALS</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Liquid cell transmission electron microscopy (LCTEM) can provide direct observations of solution-phase nanoscale materials, and holds great promise as a tool for monitoring dynamic self-assembled nanomaterials. Control over particle behavior within the liquid cell, and under electron beam irradiation, is of paramount importance for this technique to contribute to our understanding of chemistry and materials science at the nanoscale. However, this type of control has not been demonstrated for complex, organic macromolecular materials, which form the basis for all biological systems and all of polymer science, and encompass important classes of advanced porous materials. Here we show that by controlling the liquid cell membrane surface chemistry and electron beam conditions, the dynamics and growth of metal--organic frameworks (MOFs) can be observed. Our results demonstrate that hybrid organic/inorganic beam-sensitive materials can be analyzed with LCTEM and, at least in the case of ZIF-8 dynamics, the results correlate with observations from bulk growth or other standard synthetic conditions. Furthermore, we show that LCTEM can be used to better understand how changes to synthetic conditions result in changes to particle size. We anticipate that direct, nanoscale imaging by LCTEM of MOF nucleation and growth mechanisms may provide insight into controlled MOF crystal morphology, domain composition, and processes influencing defect formation. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Journal of the American Chemical Society is the property of American Chemical Society and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1021/Jacs.5b00817 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 7 StartPage: 7322 Subjects: – SubjectFull: CRYSTAL morphology Type: general – SubjectFull: TRANSMISSION electron microscopy Type: general – SubjectFull: ELECTRON microscopy Type: general – SubjectFull: CRYSTALLOGRAPHY Type: general – SubjectFull: METALS Type: general Titles: – TitleFull: Observing the Growth of Metal-Organic Frameworks by in Situ Liquid Cell Transmission Electron Microscopy. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Patterson, Joseph P. – PersonEntity: Name: NameFull: Abelian, Patricia – PersonEntity: Name: NameFull: Denny Jr., Michael S. – PersonEntity: Name: NameFull: Chiwoo Park – PersonEntity: Name: NameFull: Browning, Nigel D. – PersonEntity: Name: NameFull: Cohen, Seth M. – PersonEntity: Name: NameFull: Evans, James E. – PersonEntity: Name: NameFull: Gianneschi, Nathan C. IsPartOfRelationships: – BibEntity: Dates: – D: 17 M: 06 Text: 6/17/2015 Type: published Y: 2015 Identifiers: – Type: issn-print Value: 00027863 Numbering: – Type: volume Value: 137 – Type: issue Value: 23 Titles: – TitleFull: Journal of the American Chemical Society Type: main |
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