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journal article·2023-11Open access

A New Family of Layered Metal‐Organic Semiconductors: Cu/V‐Organophosphonates

Patrik Tholen, Lukas Wagner, Jean G. A. Ruthes, Konrad Siemensmeyer, Thi Hai Yen Beglau, Dominik Muth, Yunus Zorlu, Mustafa Okutan, Jan Christoph Goldschmidt, Christoph Janiak, Volker Presser, Özgür Yavuzçetin, Gündoğ Yücesan

Small· Volume 19· Issue 47
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Abstract

Abstract Herein, we report the design and synthesis of a layered redox‐active, antiferromagnetic metal organic semiconductor crystals with the chemical formula [Cu(H 2 O) 2 V(µ‐O)(PPA) 2 ] (where PPA is phenylphosphonate). The crystal structure of [Cu(H 2 O) 2 V(µ‐O)(PPA) 2 ] shows that the metal phosphonate layers are separated by phenyl groups of the phenyl phosphonate linker. Tauc plotting of diffuse reflectance spectra indicates that [Cu(H 2 O) 2 V(µ‐O)(PPA) 2 ] has an indirect band gap of 2.19 eV. Photoluminescence (PL) spectra indicate a complex landscape of energy states with PL peaks at 1.8 and 2.2 eV. [Cu(H 2 O) 2 V(µ‐O)(PPA) 2 ] has estimated hybrid ionic and electronic conductivity values between 0.13 and 0.6 S m −1 . Temperature‐dependent magnetization measurements show that [Cu(H 2 O) 2 V(µ‐O)(PPA) 2 ] exhibits short range antiferromagnetic order between Cu(II) and V(IV) ions. [Cu(H 2 O) 2 V(µ‐O)(PPA) 2 ] is also photoluminescent with photoluminescence quantum yield of 0.02%. [Cu(H 2 O) 2 V(µ‐O)(PPA) 2 ] shows high electrochemical, and thermal stability.
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Research context

Electronic materials

OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · MXene and MAX Phase Materials · Polyoxometalates: Synthesis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institut für Lebensmittelchemie und Toxikologie Technische Universität Berlin Gustav‐Meyer‐Allee 25 13355 Berlin Germany

Department of Physics Philipps‐University Marburg Renthof 7 35037 Marburg Germany

INM—Leibniz Institute for New Materials Campus D22 66123 Saarbrücken Germany

Department of Materials Science and Engineering Saarland University 66123 Campus D22 Saarbrücken Germany

Institut Quantenphänomene in neuen Materialien Helmholtz‐Zentrum Berlin für Materialien und Energie Hahn‐Meitner‐Platz 1 14109 Berlin Germany

Institut für Anorganische Chemie und Strukturchemie Heinrich‐Heine‐Universität Düsseldorf Universitätsstraße 1 40225 Düsseldorf Germany

Department of Chemistry Gebze Technical University Kocaeli 41100 Turkey

Institute of High Frequency and Quantum Electronics University of Siegen 57068 Siegen Germany

saarene - Saarland Center for Energy Materials and Sustainability 66123 Campus C42 Saarbrücken Germany

Department of Physics University of Wisconsin‐Whitewater Whitewater WI 53190 USA

Funding

Deutsche Forschungsgemeinschaft

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