Determination of molar extinction coefficients for endohedral metallofullerene Dy@C82(C2v)


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Abstract

Isomerically pure endohedral metallofullerene Dy@C82(C2v) was synthesized by the electric arc method, extracted from the soot with o-dichlorobenzene, isolated from the extract by HPLC, and characterized by mass spectrometry and spectrophotometry. The spectrophotometric titration of a solution of endohedral metallofullerene Dy@C82(C2v) was conducted with potassium perchlorotriphenylmethide. The concentration of Dy@C82(C2v) in o-dichlorobenzene was determined, and the molar absorption coefficients for its neutral and anionic forms were calculated (3.0•103 (at 927 nm) and 4.0•103 mol–1 L cm–1 (at 884 nm), respectively.

About the authors

I. E. Kareev

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Author for correspondence.
Email: kareev@icp.ac.ru
Russian Federation, 1 prosp. Akad. Semenova, Chernogolovka, Moscow Region, 142432

V. M. Nekrasov

Department of Fundamental Physics and Chemical Engineering, M. V. Lomonosov Moscow State University

Email: kareev@icp.ac.ru
Russian Federation, Moscow, 119991

A. E. Dutlov

Department of Fundamental Physics and Chemical Engineering, M. V. Lomonosov Moscow State University

Email: kareev@icp.ac.ru
Russian Federation, Moscow, 119991

V. P. Bubnov

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: kareev@icp.ac.ru
Russian Federation, 1 prosp. Akad. Semenova, Chernogolovka, Moscow Region, 142432

V. M. Martynenko

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: kareev@icp.ac.ru
Russian Federation, 1 prosp. Akad. Semenova, Chernogolovka, Moscow Region, 142432

E. E. Laukhina

Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC); CIBER de Bioingenieria, Biomateriales y Nanomedicina (CIBER-BBN)

Email: kareev@icp.ac.ru
Spain, Bellaterra, Campus UAB, 08193; Monforte de Lemos 3—5, Pabellon 11, Madrid, 28029

J. Veciana

Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC)

Email: kareev@icp.ac.ru
Spain, Bellaterra, Campus UAB, 08193

C. Rovira

Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC)

Email: kareev@icp.ac.ru
Spain, Bellaterra, Campus UAB, 08193

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