研究目的
Investigating the effects of Ag NWs/PEDOT:PSS composite as interfacial material for anode on the photovoltaic performance of non-fullerene OSCs.
研究成果
The study demonstrated that Ag NWs/PEDOT:PSS composite interface significantly improves the performance of non-fullerene OSCs, achieving a PCE of 13.53%. The improved performance is attributed to enhanced electrical conductivity, better work function matching with ITO, and reduced charge recombination at the anode/photoactive interface.
研究不足
The study does not explicitly mention limitations, but potential areas for optimization could include further improving the electrical conductivity and stability of the Ag NWs/PEDOT:PSS composite interface.
1：Experimental Design and Method Selection:
The study employed a facile solution-processing method to prepare Ag NWs/PEDOT:PSS composite interface.
2：Sample Selection and Data Sources:
The study used PBDB-T-2Cl:IT-4F photoactive layer system.
3：List of Experimental Equipment and Materials:
Instruments included X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS), scanning electron microscope (SEM), atomic force microscope (AFM), contact angle measurements, spectrophotometer, electrochemical impedance spectrum (EIS), and Keithley 2440 sourcemeter.
4：Experimental Procedures and Operational Workflow:
The composite interface was prepared by uniformly dispersing Ag NWs in PEDOT:PSS aqueous solution, spin-coating on ITO substrate, and annealing. OSCs were fabricated with a structure of ITO/PEDOT:PSS or Ag NWs/PEDOT:PSS/active layer/PDINO/Al.
5：Data Analysis Methods:
The study analyzed data using XPS, UPS, SEM, AFM, contact angle measurements, spectrophotometer, EIS, and J-V characteristics.
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