New 4,5-diaza-9,9'-spirobifluorene derivative – promising electron acceptor for nonfullerene polymer solar cells

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Abstract


New 4,5-diaza-9,9'-spirobifluorene derivative 8 with two electron-accepting perylene diimide moieties has been prepared. The compound 8 was characterized by NMR spectroscopy, elemental analysis, UV-spectroscopy and cyclic voltammetry. Energies of HOMO/LUMO levels are of -5.81 eV/-3.89 eV; Egopt and Egech values are of 1.75 eV and 1.92 eV, respectively. Low-lying energy levels and strong absorption in the visible region of UV- spectrum indicate the potential use of the compound 8 as a new promising electron acceptor in nonfullerene polymer solar cells.


About the authors

S. A. Kuklin

Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences

Author for correspondence.
Email: ineos-50@mail.ru

Russian Federation, Moscow

I. O. Konstantinov

Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences

Email: ineos-50@mail.ru

Russian Federation, Moscow

A. S. Peregudov

Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences

Email: ineos-50@mail.ru

Russian Federation, Moscow

I. E. Ostapov

Lomonosov Moscow State University

Email: ineos-50@mail.ru

Russian Federation, Moscow

A. G. Buyanovskaya

Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences

Email: ineos-50@mail.ru

Russian Federation, Moscow

I. Yu. Toropygun

Orekhovich Institute of Biomedical Chemistry

Email: ineos-50@mail.ru

Russian Federation, Moscow

A. R. Khokhlov

Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences

Email: ineos-50@mail.ru

Russian Federation, Moscow

academician of the RAS

Y. Zou

Central South University

Email: ineos-50@mail.ru

Taiwan, Province of China, Changsha

D. Yu. Godovskii

Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences

Email: ineos-50@mail.ru

Russian Federation, Moscow

M. L. Keshtov

Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences

Email: ineos-50@mail.ru

Russian Federation, Moscow

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