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Tunable, high single crystal conductivity in a permanently porous metal-organic framework

Xie, Lilia and Sun, Lei and Wan, Ruomeng and Park, Sarah and DeGayner, Jordan and Hendon, Christopher and Harris, David and Dinca, Mircea (2018) Tunable, high single crystal conductivity in a permanently porous metal-organic framework. In: 255th American Chemical Society National Meeting & Exposition, March 18-22, 2018, New Orleans, LA.

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Conductive metal-org. frameworks combine low-energy charge transport pathways with high surface areas, opening up new opportunities for applications in energy and electronics. The ability to systematically control their phys. properties is crit. for realizing their potential. We report tunable single crystal cond. ranging over four orders of magnitude in an ironbased metal-org. framework by modulating the ratio of Fe(III) to Fe(II) in the compd. Cond. values exceed 1 S/cm, the highest reported to date for a single crystal of a porous metal-org. framework. Variable temp. cond. measurements reveal a very small activation energy on the order of 10 meV, consistent with low energy Fe(III) defect states predicted by electronic band structure calcns. These results illustrate the unprecedented realization of high single crystal cond. with a wide range of tunability in a permanently porous material.

Item Type:Conference or Workshop Item (Paper)
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Dinca, Mircea0000-0002-1262-1264
Additional Information:© 2018 American Chemical Society.
Record Number:CaltechAUTHORS:20180713-130841664
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:87833
Deposited By: Tony Diaz
Deposited On:13 Jul 2018 20:17
Last Modified:03 Oct 2019 20:00

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