研究目的
Investigating the comparative photovoltaic performance of Ba0.94La0.06SnO3 and TiO2 nanoparticles in perovskite solar cells using CH3NH3SnCl3 as an absorber and NiO as a hole transport layer.
研究成果
The Ba0.94La0.06SnO3 based perovskite solar cells showed better efficiency compared to TiO2 based cells, attributed to the higher electron mobility of Ba0.94La0.06SnO3. Further optimization of the fabrication process and components could enhance the performance.
研究不足
The study is limited by the fabrication process and components of the perovskite solar cells, which may affect the efficiency. Further optimization is needed to achieve better performance.
1：Experimental Design and Method Selection:
The study compares the photovoltaic performance of Ba
2：94La06SnO3 and TiO2 nanoparticles synthesized via cetyltriammonium bromide assisted wet chemical route and sol-gel method, respectively, using CH3NH3SnCl3 as an absorber and NiO as a hole transport layer. Sample Selection and Data Sources:
The samples include Ba
3：94La06SnO3, TiO2, NiO, and CH3NH3SnCl3 nanoparticles. List of Experimental Equipment and Materials:
X-ray diffractometer (Rigaku Mini Flex), UV-Visible spectrometer (PG instruments Pvt. Ltd. T90+), potentiostatic electrochemical impedance spectroscopy (PEIS) module of potentiostat (Biologic Sp-240), Xenon source of 100 W, silicon power meter (1000 W/m2).
4：2). Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: Synthesis of nanoparticles, fabrication of perovskite solar cells, characterization of structural and optical properties, and photovoltaic performance measurement.
5：Data Analysis Methods:
X-ray diffraction analysis, UV-Visible spectroscopy, electrochemical impedance spectroscopy, and photovoltaic measurements.
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