Fig. 1: Materials design and characterization. | Nature Communications

Fig. 1: Materials design and characterization.

From: High performance tandem organic solar cells via a strongly infrared-absorbing narrow bandgap acceptor

Fig. 1: Materials design and characterization.The alternative text for this image may have been generated using AI.

a Molecular structures of the acceptors BTPV-4F and Y6. b Absorption spectra of the BTPV-4F and Y6 films. c Simulated optimal bandgap matching of two sub-cells in tandem OSCs. d Molecular structures of the acceptor m-DTC-2F and the polymer donors PTB7-Th and PM6.

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