研究目的
To enhance the physical and chemical properties of ZnO nanoparticles synthesized by an environmental friendly green synthesis method from the leaves extract of Azadirachta indica for solar cell fabrication.
研究成果
The green synthesis of ZnO nanoparticles using Azadirachta indica leaves extract via a domestic microwave oven-assisted solvothermal method is effective for producing nanoparticles with desirable properties for solar cell applications, demonstrating a cell efficiency of 2.1%.
研究不足
The study focuses on the synthesis and characterization of ZnO nanoparticles for solar cell applications but does not explore the scalability of the synthesis method or the long-term stability of the solar cells.
1：Experimental Design and Method Selection
A domestic microwave oven-assisted solvothermal method was used to synthesize ZnO nanoparticles using Azadirachta indica leaves extract as both capping and reducing agent.
2：Sample Selection and Data Sources
Fresh and young greenish leaves of Azadirachta indica were collected, washed, and processed to obtain the extract. Zinc acetate and urea were used in the synthesis process.
3：List of Experimental Equipment and Materials
Domestic microwave oven, Whatmann filter paper, muffle furnace, X-ray powder diffractometer, FTIR spectrometer, UV–Vis spectrophotometer, HRTEM, LCR meter, Keithley 2400 multisource meter.
4：Experimental Procedures and Operational Workflow
The leaves extract was prepared and mixed with zinc acetate and urea. The mixture was irradiated in a microwave oven, washed, dried, and annealed. The synthesized nanoparticles were characterized for structure, morphology, optical, and electrical properties.
5：Data Analysis Methods
PXRD for structural analysis, FTIR for functional groups, UV–Vis for optical properties, HRTEM for morphology, and LCR meter for electrical properties.
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