Tunable Interlayer Interactions in Exfoliated 2D van der Waals Framework Fe(SCN)2(Pyrazine)2

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 46 vom: 15. Nov., Seite e2409959
1. Verfasser: McKenzie, Jacob (VerfasserIn)
Weitere Verfasser: Pennington, Doran L, Ericson, Thomas, Cope, Elana, Kaufman, Aaron J, Cozzolino, Anthony F, Johnson, David C, Kadota, Kentaro, Hendon, Christopher H, Brozek, Carl K
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 2D exciton metal‐organic framework van der Waals
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520 |a 2D materials can be isolated as monolayer sheets when interlayer interactions involve weak van der Waals forces. These atomically thin structures enable novel topological physics and open chemical questions of how to tune the structure and properties of the sheets while maintaining them as isolated monolayers. Here, this work investigates 2D electroactive sheets that exfoliate in solution into colloidal nanosheets, but aggregate upon oxidation, giving rise to tunable interlayer charge transfer absorption and photoluminescence. This optical behavior resembles interlayer excitons, now intensely studied due to their long-lived emission, but which remain difficult to tune through synthetic chemistry. Instead, the interlayer excitons of these framework sheets can be modulated through control of solvent, electrolyte, oxidation state, and the composition of the framework building blocks. Compared to other 2D materials, these framework sheets display the largest known interlayer binding strengths, attributable to specific orbital interactions between the sheets, and among the longest interlayer exciton lifetimes. Taken together, this study provides a microscopic basis for manipulating long-range opto-electronic behavior in van der Waals materials through molecular synthetic chemistry 
650 4 |a Journal Article 
650 4 |a 2D 
650 4 |a exciton 
650 4 |a metal‐organic framework 
650 4 |a van der Waals 
700 1 |a Pennington, Doran L  |e verfasserin  |4 aut 
700 1 |a Ericson, Thomas  |e verfasserin  |4 aut 
700 1 |a Cope, Elana  |e verfasserin  |4 aut 
700 1 |a Kaufman, Aaron J  |e verfasserin  |4 aut 
700 1 |a Cozzolino, Anthony F  |e verfasserin  |4 aut 
700 1 |a Johnson, David C  |e verfasserin  |4 aut 
700 1 |a Kadota, Kentaro  |e verfasserin  |4 aut 
700 1 |a Hendon, Christopher H  |e verfasserin  |4 aut 
700 1 |a Brozek, Carl K  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 36(2024), 46 vom: 15. Nov., Seite e2409959  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:36  |g year:2024  |g number:46  |g day:15  |g month:11  |g pages:e2409959 
856 4 0 |u http://dx.doi.org/10.1002/adma.202409959  |3 Volltext 
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