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Atomically precise ...
Atomically precise single-crystal structures of electrically conducting 2D metal-organic frameworks
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Dou, Jin-Hu (author)
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Arguilla, Maxx Q. (author)
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- Luo, Yi (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Peking University, China
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- Li, Jian (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Peking University, China
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Zhang, Weizhe (author)
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Sun, Lei (author)
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Mancuso, Jenna L. (author)
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Yang, Luming (author)
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Chen, Tianyang (author)
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Parent, Lucas R. (author)
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Skorupskii, Grigorii (author)
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Libretto, Nicole J. (author)
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Sun, Chenyue (author)
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Yang, Min Chieh (author)
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Dip, Phat Vinh (author)
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Brignole, Edward J. (author)
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Miller, Jeffrey T. (author)
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Kong, Jing (author)
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Hendon, Christopher H. (author)
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- Sun, Junliang (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Peking University, China
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Dincă, Mircea (author)
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(creator_code:org_t)
- 2020-11-23
- 2021
- English.
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In: Nature Materials. - : Springer Science and Business Media LLC. - 1476-1122 .- 1476-4660. ; 20, s. 222-228
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Electrically conducting 2D metal-organic frameworks (MOFs) have attracted considerable interest, as their hexagonal 2D lattices mimic graphite and other 2D van der Waals stacked materials. However, understanding their intrinsic properties remains a challenge because their crystals are too small or of too poor quality for crystal structure determination. Here, we report atomically precise structures of a family of 2D pi-conjugated MOFs derived from large single crystals of sizes up to 200 mu m, allowing atomic-resolution analysis by a battery of high-resolution diffraction techniques. A designed ligand core rebalances the in-plane and out-of-plane interactions that define anisotropic crystal growth. We report two crystal structure types exhibiting analogous 2D honeycomb-like sheets but distinct packing modes and pore contents. Single-crystal electrical transport measurements distinctively demonstrate anisotropic transport normal and parallel to the pi-conjugated sheets, revealing a clear correlation between absolute conductivity and the nature of the metal cation and 2D sheet packing motif. Two-dimensional MOFs can possess porosity and electrical conductivity but are difficult to grow as single crystals. Here, by balancing in-plane and out-of-plane interactions, single crystals of sizes up to 200 mu m are grown, allowing in-plane transport measurements and atomic-resolution analysis.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Dou, Jin-Hu
-
Arguilla, Maxx Q ...
-
Luo, Yi
-
Li, Jian
-
Zhang, Weizhe
-
Sun, Lei
-
show more...
-
Mancuso, Jenna L ...
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Yang, Luming
-
Chen, Tianyang
-
Parent, Lucas R.
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Skorupskii, Grig ...
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Libretto, Nicole ...
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Sun, Chenyue
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Yang, Min Chieh
-
Dip, Phat Vinh
-
Brignole, Edward ...
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Miller, Jeffrey ...
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Kong, Jing
-
Hendon, Christop ...
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Sun, Junliang
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Dincă, Mircea
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
- Articles in the publication
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Nature Materials
- By the university
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Stockholm University