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A Co-Crystal Composed of the Paramagnetic Endohedral Metallofullerene La@C82 and a Nickel Porphyrin with High Electron Mobility

Authors

  • Dr. Satoru Sato,

    1. Life Science Center of Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki 305–8577 (Japan)
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  • Dr. Hidefumi Nikawa,

    1. Life Science Center of Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki 305–8577 (Japan)
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  • Prof. Dr. Shu Seki,

    Corresponding author
    1. Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565–0871 (Japan)
    • Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565–0871 (Japan)
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  • Dr. Lu Wang,

    1. Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Okazaki, Aichi 444–8585 (Japan)
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  • Dr. Guangfu Luo,

    1. Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Okazaki, Aichi 444–8585 (Japan)
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  • Prof. Dr. Jing Lu,

    Corresponding author
    1. State Key Laboratory of Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871 (P.R. China)
    • State Key Laboratory of Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871 (P.R. China)
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  • Dr. Masayuki Haranaka,

    1. Life Science Center of Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki 305–8577 (Japan)
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  • Dr. Takahiro Tsuchiya,

    1. Life Science Center of Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki 305–8577 (Japan)
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  • Prof. Dr. Shigeru Nagase,

    Corresponding author
    1. Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Okazaki, Aichi 444–8585 (Japan)
    • Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Okazaki, Aichi 444–8585 (Japan)
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  • Prof. Dr. Takeshi Akasaka

    Corresponding author
    1. Life Science Center of Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki 305–8577 (Japan)
    • Life Science Center of Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki 305–8577 (Japan)
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  • This work was supported in part by a Grant-in-Aid for Scientific Research in Innovation Areas (No. 20108001, “pi-Space”), a Grant-in-Aid for Scientific Research (A) (No. 20245006), The Next Generation Super Computing Project (Nanoscience Project), Nanotechnology Support Project, Grants-in Aid for Scientific Research in Priority Areas (Nos. 20036008, 20038007) and Specially Promoted Research (No. 22000009) from the Ministry of Education, Culture, Sports, Science, and Technology of Japan. S.S. and H.N. thank the Japan Society for the Promotion of Science (JSPS) for Research Fellowships for Young Scientists. J.L. is the supported by the NSFC (Grant No. 10774003), and National 973 Projects (No. 2007CB936200, MOST of China).

Abstract

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Ball and plane: The structure of La@C82 was clarified by single-crystal X-ray diffraction of samples co-crystallized with [NiII(OEP)] (OEP=octaethylporphyrin; see structure La red, N blue, Ni yellow, H pink). The charge-carrier mobility of the co-crystal was determined using flash-photolysis time-resolved microwave conductivity measurements. The material exhibited an anisotropic and high electron mobility of up to 0.9 cm2 V−1 s−1.

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