Fig. 4 | Nature Communications

Fig. 4

From: All-small-molecule organic solar cells with over 14% efficiency by optimizing hierarchical morphologies

Fig. 4

Quantification of the energy losses. a, b Fourier-transform photocurrent spectroscopy of ZR1:Y6, ZR1:IDIC-4Cl blend and corresponding single component solar cell. c The electroluminescence quantum efficiency of ZR1:Y6 and ZR1:IDIC-4Cl blend solar cells at different injected currents. d Schematic diagram for energy loss of ZR1:Y6 and ZR1:IDIC-4Cl blend solar cells.

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