研究目的
To develop a cheaper, mildly acidic and less humidity sensitive alternative hole transport material (HTM) for indoor organic photovoltaic (OPV) cells by utilizing PSS doped polyaniline (PANI).
研究成果
PANI:PSS was successfully utilized as an HTM for indoor OPV cells, demonstrating high transmittance, suitable work function, and better stability than PEDOT:PSS. The OPV device achieved a PCE of around 10% under 1000 Lux white LED light, indicating its potential for indoor applications despite the need for further conductivity improvement.
研究不足
The PANI:PSS HTL-based OPV showed lower PCE compared to PEDOT:PSS HTL-based OPV, which may be due to the lower conductivity of PANI:PSS. Further optimization is needed to enhance the conductivity and overall performance of PANI:PSS as HTM.
1：Experimental Design and Method Selection:
The study involved the synthesis of PSS-doped PANI as an alternative HTM for OPV cells. The methodology included chemical synthesis of PANI:PSS, preparation of OPV cell active material, and device fabrication.
2：Sample Selection and Data Sources:
The samples included ITO coated glass substrates, PANI:PSS films, and P3HT:ICBA active material. Data was sourced from UV-Vis spectrophotometer, Kelvin probe, and current density-voltage (J-V) characteristics measurements.
3：List of Experimental Equipment and Materials:
Equipment included a UV-Vis spectrophotometer, Kelvin probe, spin coater, vacuum thermal evaporation system, and Keithley 2401 source meter. Materials included aniline, PSS, P3HT, ICBA, and ITO coated glass substrates.
4：Experimental Procedures and Operational Workflow:
The workflow involved the synthesis of PANI:PSS, preparation of P3HT:ICBA solution, fabrication of OPV devices, and characterization of materials and devices.
5：Data Analysis Methods:
Data analysis involved calculating the power conversion efficiency (PCE) and shunt resistance (RSH) of the OPV devices under indoor light conditions.
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