Dataset

This dataset includes data for figures in the main text and the supporting information. The detailed description of the data is followed. Figure 1. (c) Normalised absorption for the materials. (e) J-V curves for MDMO-PPV:mPCBM (blend ratios, 1:1, 1:2 and 1:4), MDMO-PPV:bPCBM (blend ratio, 1:1), and MDMO-PPV:tPCBM) (blend ratio, 1:1) devices under 100 mW/cm2 illumination at AM1.5G. Figure 3. PPP dynamics at room temperature (300 K) of devices with D-A ratios of (a) 1:2 and (b) 1:1. Figure 4. Temperature-dependent PPP response of MDMO-PPV:bPCBM (1:1) from 160K to 300K. Figure 5. Activation energy as a function of driving energy in the studied blends with different donor: acceptor blend ratios (1:1, 1:2 and 1:4). Figure S1 UV-Vis absorption of films of MDMO-PPV:fullerene derivatives (a) mPCBM (b) bPCBM and (c) tPCBM with blend ratios of 1:1, 1:2 and 1:4. Figure S2 PPP response at room temperature (300 K). (a) MDMO-PPV:mPCBM (b) MDMO-PPV:bPCBM and (c) MDMO-PPV:tPCBM. Figure S3 Typical Raw PPP kinetics without background removal in MDMOPPV:bPCBM(1:1) device. The background signal is assigned to long-lived trapped states and multi-photon excitations. Figure S4 Full dataset of (i) the PPP dynamics in different devices, (ii) temperature dependence of J, dJmax and dJmax/J, and (iii) Arrhenius plots of J and dJmax/J.

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