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  • Table_1.xlsx: Specific performance parameters in different preparation conditions based on organic solar cells in this paper.
  • Figure_2c.xlsx: Histogram of PCE measurement for devices in corresponding condition under AM 1.5G, 100 mA cm−2.
  • Figure_3b.xlsx: Carrier mobility of the D18:2BTh-2F-C2 in various conditions.
  • Supplementary_Figure_2.xlsx: Transmission spectrum evolution. Time-dependent optical transmitance measurement.
  • Supplementary_Figure_4.xlsx: Normalized absorption of 2BTh-2F-C2 in various solvents.
  • Supplementary_Figure_5.xlsx: In situ thickness variation curve of films.
  • Supplementary_Figure_6.xlsx: The film thickness variation before annealing and after annealing for active layers with solid additive of DIB.
  • Supplementary_Figure_7.xlsx: TOF-SIMS measurement.
  • Supplementary_Figure_8.xlsx: Line cut profiles for D18:2BTh-2F-C2 films without and with DIB.
  • Supplementary_Figure_9.xlsx: Waterfall plots of in situ UV–vis absorption spectra for D18:2BTh-2F-C2 blend precursor solution.
  • Supplementary_Figure_10.xlsx: Linecut in 520 nm and 790 nm wavelength of in situ UV–vis absorption spectra for D18:2BTh-2F-C2 blend precursor solution.
  • Supplementary_Figure_12.xlsx: Device performance optimization for D18:2BTh-2F-C2.
  • Supplementary_Figure_13.xlsx: The device performance of 2PACz as HTL compared with PEDOT: PSS.
  • Supplementary_Figure_15.xlsx: Relative EQE curves of D18:2BTh-2F-C2 device prepared from OXY and CF&OXY precursor solution compared to CF precursor solution.
  • Supplementary_Figure_16.xlsx: UV-vis absorption spectroscopy of pure D18 and 2BTh-2F-C2 film.
  • Supplementary_Figure_17.xlsx: VOC and VOC*FF versus JSC for the efficient NFREA-based devices reported in the literature and regression analysis.
  • Supplementary_Figure_23.xlsx: Performance based on various NFREAs.
  • Supplementary_Figure_24.xlsx: Performance based on various conventional BHJ.
  • Supplementary_Figure_25.xlsx: Device performance optimization for PM6:2BTh-2F-C2 for constituent content in binary solvent of CF&OXY.
  • Supplementary_Figure_26.xlsx: Performance based on D18 batches.
  • Supplementary_Figure_28.xlsx: Representative at indicated delay times of TAS for CF, OXY, CF&OXY based blended film.
  • Supplementary_Figure_29.xlsx: SCLC measurement in different conditions of electron-only devices and hole-only devices.
  • Supplementary_Figure_30.xlsx: Transient photovoltage and transient photocurrent.
  • Supplementary_Figure_31.xlsx: JSC and VOC as a function of light intensity.
  • Supplementary_Figure_32.xlsx: FTIR spectra of D18 and 2BTh-2F-C2.
  • Supplementary_Figure_33.xlsx: Morphological characterization of acceptor.
  • Supplementary_Figure_34.xlsx: Crystal morphology characterization, line cut profiles for D18 and 2BTh-2F-C2 neat films.
  • Supplementary_Figure_36.xlsx: Crystal morphology characterization for BHJ.
  • Supplementary_Figure_38.xlsx: Linecut of surface profile for CF, OXY, CF&OXY condistion.
  • Supplementary_Table_7.xlsx: The device optimization for OXY content in CF&OXY mixed solution for D18:2BTh-2F-C2 under AM 1.5G, 100 mA cm−2.
  • Supplementary_Table_8.xlsx: The device optimization for solid additive DIB content under AM 1.5G, 100 mA cm−2.
  • Supplementary_Table_24.xlsx: The efficiency for CF, OXY, CF&OXY based devices in area of 5.2 mm2 and 100 mm2 under AM 1.5G, 100 mA cm−2.