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Naphthalene diimide-based non-fullerene acceptors flanked by open-ended and aromatizable acceptor functionalities

journal contribution
posted on 2022-10-26, 04:31 authored by D Srivani, A Agarwal, S V Bhosale, A L Puyad, W Xiang, R A Evans, Akhil Gupta
Herein we present the design, synthesis and characterization of two novel, naphthalene diimide (NDI) core-based non-fullerene acceptors, N5 and N6, comprising respectively 2-methoxyethyl-2-cyanoacetate and cyanopyridone acceptor functionalities at the terminals. The influence of terminal units on optoelectronic and photovoltaic properties was studied. The target chromophore bearing cyanopyridone acceptor units (N6) afforded a power conversion efficiency of 6.10% when paired with the conventional donor polymer poly(3-hexylthiophene), a result that is the highest for the NDI core-based non-fullerene acceptors.

History

Journal

Chemical Communications

Volume

53

Pagination

11157 - 11160

ISSN

1359-7345

eISSN

1364-548X

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