研究目的
Investigating the effect of substrate temperature on the spray coated PEDOT:PSS thin film morphology for organic solar cells.
研究成果
The study concludes that substrate temperature significantly affects the morphology and conductivity of spray coated PEDOT:PSS films, with 150°C being optimal for improving film quality and OSC performance. Higher temperatures lead to the formation of voids and cracks, reducing film conductivity and device efficiency.
研究不足
The study is limited to the effect of substrate temperature on PEDOT:PSS films and does not explore other parameters that might influence film morphology and device performance. The highest temperature tested was 200°C, beyond which the film quality deteriorates significantly.
1：Experimental Design and Method Selection:
The study explores the effect of substrate temperature (100°C, 150°C, 200°C) on the morphology, electrical properties, and photovoltaic performance of spray coated PEDOT:PSS thin films.
2：Sample Selection and Data Sources:
PEDOT:PSS films were spray coated on ITO coated glass and normal glass substrates at different temperatures.
3：List of Experimental Equipment and Materials:
SEM (TM3000 top, Hitachi), optical profilometer (Zeta 3D tomography), UV-vis-NIR spectrophotometer (Perkin Elmer Lambda 1050), Hall Effect Measurement System (Van Der Pauw HMS-3000), solar simulator (Oriel Sol 3A), source meter (Keithley 2440).
4：0). Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: PEDOT:PSS was spray coated at optimized conditions, followed by characterization of morphology, conductivity, and transmittance. OSCs were fabricated and their performance was evaluated.
5：Data Analysis Methods:
Morphological analysis via SEM, conductivity measurement via Hall Effect system, photovoltaic performance evaluation via J-V characteristics.
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