An Electrically Conducting Three-Dimensional Iron–Catecholate Porous Framework

Andre Mähringer; Markus Döblinger; Matthias Hennemann; Christoph Gruber; Dominik Fehn; Patricia I. Scheurle; Pouya Hosseini; Irina Santourian; Alfred Schirmacher; Julian M. Rotter; Gunther Wittstock; Karsten Meyer; Timothy Clark; Thomas Bein; Dana D. Medina

doi:10.1002/anie.202102670

An Electrically Conducting Three-Dimensional Iron–Catecholate Porous Framework

Andre Mähringer
, Markus Döblinger
, Matthias Hennemann
, Christoph Gruber
, Dominik Fehn
, Patricia I. Scheurle
, Pouya Hosseini
, Irina Santourian
, Alfred Schirmacher
, Julian M. Rotter
, Gunther Wittstock
, Karsten Meyer
, Timothy Clark
, Thomas Bein
, Dana D. Medina

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

We report the synthesis of a unique cubic metal–organic framework (MOF), Fe-HHTP-MOF, comprising hexahydroxytriphenylene (HHTP) supertetrahedral units and Fe^III ions, arranged in a diamond topology. The MOF is synthesized under solvothermal conditions, yielding a highly crystalline, deep black powder, with crystallites of 300–500 nm size and tetrahedral morphology. Nitrogen sorption analysis indicates a highly porous material with a surface area exceeding 1400 m² g⁻¹. Furthermore, Fe-HHTP-MOF shows broadband absorption from 475 up to 1900 nm with excellent absorption capability of 98.5 % of the incoming light over the visible spectral region. Electrical conductivity measurements of pressed pellets reveal a high intrinsic electrical conductivity of up to 10⁻³ S cm⁻¹. Quantum mechanical calculations predict Fe-HHTP-MOF to be an efficient electron conductor, exhibiting continuous charge-carrier pathways throughout the structure.

Original language	English
Pages (from-to)	18065-18072
Number of pages	8
Journal	Angewandte Chemie - International Edition
Volume	60
Issue number	33
DOIs	https://doi.org/10.1002/anie.202102670
State	Published - 9 Aug 2021
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2021 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.

Keywords

electrical conductivity
iron-catecholate
metal–organic frameworks
porosity
three-dimensional framework

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10.1002/anie.202102670

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Mähringer, A., Döblinger, M., Hennemann, M., Gruber, C., Fehn, D., Scheurle, P. I., Hosseini, P., Santourian, I., Schirmacher, A., Rotter, J. M., Wittstock, G., Meyer, K., Clark, T., Bein, T., & Medina, D. D. (2021). An Electrically Conducting Three-Dimensional Iron–Catecholate Porous Framework. Angewandte Chemie - International Edition, 60(33), 18065-18072. https://doi.org/10.1002/anie.202102670

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title = "An Electrically Conducting Three-Dimensional Iron–Catecholate Porous Framework",

abstract = "We report the synthesis of a unique cubic metal–organic framework (MOF), Fe-HHTP-MOF, comprising hexahydroxytriphenylene (HHTP) supertetrahedral units and FeIII ions, arranged in a diamond topology. The MOF is synthesized under solvothermal conditions, yielding a highly crystalline, deep black powder, with crystallites of 300–500 nm size and tetrahedral morphology. Nitrogen sorption analysis indicates a highly porous material with a surface area exceeding 1400 m2 g−1. Furthermore, Fe-HHTP-MOF shows broadband absorption from 475 up to 1900 nm with excellent absorption capability of 98.5 \% of the incoming light over the visible spectral region. Electrical conductivity measurements of pressed pellets reveal a high intrinsic electrical conductivity of up to 10−3 S cm−1. Quantum mechanical calculations predict Fe-HHTP-MOF to be an efficient electron conductor, exhibiting continuous charge-carrier pathways throughout the structure.",

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Mähringer, A, Döblinger, M, Hennemann, M, Gruber, C, Fehn, D, Scheurle, PI, Hosseini, P, Santourian, I, Schirmacher, A, Rotter, JM, Wittstock, G, Meyer, K, Clark, T, Bein, T & Medina, DD 2021, 'An Electrically Conducting Three-Dimensional Iron–Catecholate Porous Framework', Angewandte Chemie - International Edition, vol. 60, no. 33, pp. 18065-18072. https://doi.org/10.1002/anie.202102670

TY - JOUR

T1 - An Electrically Conducting Three-Dimensional Iron–Catecholate Porous Framework

AU - Mähringer, Andre

AU - Döblinger, Markus

AU - Hennemann, Matthias

AU - Gruber, Christoph

AU - Fehn, Dominik

AU - Scheurle, Patricia I.

AU - Hosseini, Pouya

AU - Santourian, Irina

AU - Schirmacher, Alfred

AU - Rotter, Julian M.

AU - Wittstock, Gunther

AU - Meyer, Karsten

AU - Clark, Timothy

AU - Bein, Thomas

AU - Medina, Dana D.

PY - 2021/8/9

Y1 - 2021/8/9

N2 - We report the synthesis of a unique cubic metal–organic framework (MOF), Fe-HHTP-MOF, comprising hexahydroxytriphenylene (HHTP) supertetrahedral units and FeIII ions, arranged in a diamond topology. The MOF is synthesized under solvothermal conditions, yielding a highly crystalline, deep black powder, with crystallites of 300–500 nm size and tetrahedral morphology. Nitrogen sorption analysis indicates a highly porous material with a surface area exceeding 1400 m2 g−1. Furthermore, Fe-HHTP-MOF shows broadband absorption from 475 up to 1900 nm with excellent absorption capability of 98.5 % of the incoming light over the visible spectral region. Electrical conductivity measurements of pressed pellets reveal a high intrinsic electrical conductivity of up to 10−3 S cm−1. Quantum mechanical calculations predict Fe-HHTP-MOF to be an efficient electron conductor, exhibiting continuous charge-carrier pathways throughout the structure.

AB - We report the synthesis of a unique cubic metal–organic framework (MOF), Fe-HHTP-MOF, comprising hexahydroxytriphenylene (HHTP) supertetrahedral units and FeIII ions, arranged in a diamond topology. The MOF is synthesized under solvothermal conditions, yielding a highly crystalline, deep black powder, with crystallites of 300–500 nm size and tetrahedral morphology. Nitrogen sorption analysis indicates a highly porous material with a surface area exceeding 1400 m2 g−1. Furthermore, Fe-HHTP-MOF shows broadband absorption from 475 up to 1900 nm with excellent absorption capability of 98.5 % of the incoming light over the visible spectral region. Electrical conductivity measurements of pressed pellets reveal a high intrinsic electrical conductivity of up to 10−3 S cm−1. Quantum mechanical calculations predict Fe-HHTP-MOF to be an efficient electron conductor, exhibiting continuous charge-carrier pathways throughout the structure.

KW - electrical conductivity

KW - iron-catecholate

KW - metal–organic frameworks

KW - porosity

KW - three-dimensional framework

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VL - 60

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JO - Angewandte Chemie - International Edition

JF - Angewandte Chemie - International Edition

IS - 33

ER -

An Electrically Conducting Three-Dimensional Iron–Catecholate Porous Framework

Abstract

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Keywords

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