研究目的
Investigating the preparation and properties of transparent cellulose nanofibrils composites (TCNC) from rotary-cutting poplar veneer (RPV) for enhancing light acquisition in solar cells.
研究成果
TCNC from RPV demonstrates high transmittance, high haze, and equal refractive index fluctuation, significantly enhancing solar cell performance and mechanical properties compared to ER. Future work aims to optimize preparation processes and material quality.
研究不足
The study acknowledges the need to reduce time and resource consumption in TCNC preparation and to improve TCNC quality for solar cell applications.
1:Experimental Design and Method Selection:
The study involved stripping lignin from RPV through hydrothermal and impregnation treatments, followed by infiltrating epoxy resin (ER) into the delignified RPV to prepare TCNC.
2:Sample Selection and Data Sources:
Original RPV samples were used, and their properties before and after delignification were analyzed.
3:List of Experimental Equipment and Materials:
Included FTIR-850 for spectroscopy, Quanta 450 scanning electron microscopy for microstructure examination, WGT-S transmittance and haze tester for optical properties, S130C photodiode power sensor for light intensity distribution, and CS310H electrochemical workstation for electrical properties.
4:Experimental Procedures and Operational Workflow:
Detailed steps included delignification treatments, ER infiltration, and solidification on solar cells.
5:Data Analysis Methods:
FTIR spectra analysis, SEM imaging, transmittance and haze measurements, and current density-voltage curves analysis.
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