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Magneto-luminescent molecules have significant applications in data storage and quantum computing. However, design of these bi-functional molecules coupled with magnetic behavior and photoluminescence is still challenging. In this work, we report a metallofullerene DyErScN@h-C80 exhibiting single-molecule magnet (SMM) behavior and near-infrared emission. For DyErScN@h-C80, two functional lanthanide metal ions of Dy3+ (SMM function) and Er3+ (luminescent function) are integrated inside a fullerene cage using a trimetallic nitride template, and its structure has been unambiguously characterized by single-crystal X-ray diffraction. Magnetic measurements revealed that DyErScN@h-C80 behaves as a SMM with a blocking temperature up to 9 K resulting from the intramolecular magnetic interaction between Dy3+ and Er3+ ions. Moreover, DyErScN@h-C80 exhibits temperature-dependent near-infrared emission around 1.5 µm with multiple splitting peaks from Er3+, which arises from the influence of Dy3+ ion. This study provides a new strategy to synthesize new magneto-luminescent molecule materials.


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Luminescent single-molecule magnet of metallofullerene DyErScN@h-C80

Show Author's information Mingzhe Nie1,5Jin Xiong2Chong Zhao1,5Haibing Meng1,5Kun Zhang4Yibo Han4Jie Li1Bingwu Wang2( )Lai Feng3( )Chunru Wang1( )Taishan Wang1( )
Beijing National Laboratory for Molecular Sciences,Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences,Beijing,100190,China;
Beijing National Laboratory of Molecular Science,College of Chemistry and Molecular Engineering, State Key Laboratory of Rare Earth Materials Chemistry and Applications, Peking University,Beijing,100871,China;
Soochow Institute for Energy and Materials InnovationS(SIEMIS),College of Physics, Optoelectronics and Energy & Jiangsu Key Laboratory of Advanced; Carbon Materials and Wearable Energy Technologies, Soochow University,Suzhou,215006,China;
Wuhan National High Magnetic Field Center and School of Physics,Huazhong University of Science and Technology,Wuhan,430074,China;
University of Chinese Academy of Sciences,Beijing,100049,China;

Abstract

Magneto-luminescent molecules have significant applications in data storage and quantum computing. However, design of these bi-functional molecules coupled with magnetic behavior and photoluminescence is still challenging. In this work, we report a metallofullerene DyErScN@h-C80 exhibiting single-molecule magnet (SMM) behavior and near-infrared emission. For DyErScN@h-C80, two functional lanthanide metal ions of Dy3+ (SMM function) and Er3+ (luminescent function) are integrated inside a fullerene cage using a trimetallic nitride template, and its structure has been unambiguously characterized by single-crystal X-ray diffraction. Magnetic measurements revealed that DyErScN@h-C80 behaves as a SMM with a blocking temperature up to 9 K resulting from the intramolecular magnetic interaction between Dy3+ and Er3+ ions. Moreover, DyErScN@h-C80 exhibits temperature-dependent near-infrared emission around 1.5 µm with multiple splitting peaks from Er3+, which arises from the influence of Dy3+ ion. This study provides a new strategy to synthesize new magneto-luminescent molecule materials.

Keywords: metallofullerene, single-molecule magnet, near-infrared photoluminescence

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Publication history
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Acknowledgements

Publication history

Received: 18 February 2019
Revised: 13 April 2019
Accepted: 29 April 2019
Published: 14 May 2019
Issue date: July 2019

Copyright

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Acknowledgements

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Nos. 51672281, 61227902, 51832008, and 51772195) and Beijing Natural Science Foundation (No. 2162050). T. S. W. particularly thanks the Youth Innovation Promotion Association of CAS (No. 2015025). The ab initio calculations in this work were supported by High-performance Computing Platform of Peking University. We thank Dr. Youming Zou (SHMFF, HMFL, CAS) for the EPR measurements.

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