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Main Title: A Nanotubular Metal–Organic Framework with a Narrow Bandgap from Extended Conjugation**
Author(s): Ayhan, M. Menaf
Bayraktar, Ceyda
Yu, Kai Bin
Hanna, Gabriel
Yazaydin, A. Ozgur
Zorlu, Yunus
Yücesan, Gündoğ
Type: Article
Abstract: A one‐dimensional nanotubular metal–organic framework (MOF) [Ni(Cu‐H4TPPA)]⋅2 (CH3)2NH2+ (H8TPPA=5,10,15,20‐tetrakis[p‐phenylphosphonic acid] porphyrin) constructed by using the arylphosphonic acid H8TPPA is reported. The structure of this MOF, known as GTUB‐4, was solved by using single‐crystal X‐ray diffraction and its geometric accessible surface area was calculated to be 1102 m2 g−1, making it the phosphonate MOF with the highest reported surface area. Due to the extended conjugation of its porphyrin core, GTUB‐4 possesses narrow indirect and direct bandgaps (1.9 eV and 2.16 eV, respectively) in the semiconductor regime. Thermogravimetric analysis suggests that GTUB‐4 is thermally stable up to 400 °C. Owing to its high surface area, low bandgap, and high thermal stability, GTUB‐4 could find applications as electrodes in supercapacitors.
Subject(s): high surface area
ligand design
metal–organic frameworks
semiconductive MOFs
Issue Date: 15-Oct-2020
Date Available: 17-May-2021
Language Code: en
DDC Class: 660 Chemische Verfahrenstechnik
Journal Title: Chemistry – A European Journal
Publisher: Wiley
Volume: 26
Issue: 65
Publisher DOI: 10.1002/chem.202001917
Page Start: 14813
Page End: 14816
EISSN: 1521-3765
ISSN: 0947-6539
TU Affiliation(s): Fak. 3 Prozesswissenschaften » Inst. Lebensmitteltechnologie und Lebensmittelchemie » FG Lebensmittelchemie und Toxikologie
Appears in Collections:Technische Universität Berlin » Publications

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