| Sumario: | Figure S1 Maximum power point tracking of Current density stability under continuous illumination under 1000 LUX for 150 h for CLEMPP and CLEMP devices; Figure S2 Statistical efficiency distributions of CLEMP and CLEMPP devices under 50% of 1-sun condition (AM 1.5 G) at 50 mW cm-2; Figure S3 J–V curves of QS-DSSC devices incorporating different Cu-complex formulations combined with PEO/PVDF-HFP (10:0 and 9:1 wt%) with and without MXene intercalation (CLEMP, CLEMPP) under 1000 LUX 150 h (a) before stability, and (b) after stability assessment; Figure S4 UV-Visible (a) Absorption and (b) Reflectance of CLEMPP (QS electrolyte with MXene) and CLEPP (QS without MXene); Figure S5 Input power tracking, Temperature, and Humidity of outdoor measurements for the ISOS-O-2 protocol (Barcelona, 41.5021° N, 2.1039° E, Spain) experiment; Figure S6 Cyclic voltammetry measurements at different scan rates from 100 to 500 mV s-1 for (a) CLEMPP, (b) CLEMP, and (c) CLEPP electrolytes sandwiched between symmetric carbon counter electrodes, (d) Cyclic voltammetry measurements of different electrolytes at 200 mV s-1 with Pt symmetric electrodes for Ion conductivity calculation; Figure S7 The structure and morphology of MXene sheets: (a & b) FESEM image of Ti3C2 MXene at different scales, 10 and 3 µm, respectively. (c) X-ray diffraction patterns of MXene powder, MXene: Cu complex with only PEO (CLEMP) and PEO/PVDF-HFP polymers (CLEMPP). (d) FTIR spectra of MXene: Cu complex QS electrolytes with only PEO and PEO/PVDF-HFP polymers; Figure S8 FESEM surface images of (a) CLEMPP; (b) CLEMP; (c) CLEPP; (d) CLEP QS electrolytes; Figure S9 Electron image micrograph and EDS elemental mapping images of (a) CLEMPP; (b) CLEPP QS electrolytes; Figure S10 FESEM cross-section images of (a) FTO/ TiO2 mesoporous electrode; (b) FTO/ Carbon counter electrode; (c & d) 25 µm & 2 µm scale of CLEMPP QS electrolyte on FTO/ TiO2 film, respectively; (e & f ) 25 µm & 2 µm scale of CLEPP QS electrolyte on FTO/ TiO2 film, respectively; Table S1 Photovoltaic performance values of DSSC using Cu-complex liquid electrolyte and PEO/PVDF-HFP as polymers for QSE systems. The compositions of QSEs are 10:0, 9:1, and 7:3 of PEO/PVDF-HFP were measured under 1 Sun condition (AM 1.5G) with an intensity of 100 mW cm-2.
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