Abstract
High-dispersive spherical silver nanoparticles were prepared by solvothemal process, using ethylene glycol as solvent and reducing agent. The silver nanoparticles were characterized by X-ray diffraction and FESEM to analyze the size, shape and morphology. X-Ray diffraction (XRD) pattern indicated that the silver nanoparticles were well-crystallized with no crystallographic impurities. The average size calculated by Debye–scherrer’s fomula was 48 nm, which well agreed with the result of FESEM. From the FESEM, it was demonstrated that the silver nanoparticles were high-dispersive and spherical in shape. Thick silver films were prepared by screen-printing using the front contact silver paste containing the as-prepared silver nanoparticles. The experimental results indicated that the silver nanoparticles were favor to sintering of micro-size silver particles, and contributed to improve the photovoltaic performances of crystalline silicon solar cells.
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Che, Q., Yang, H., Lu, L. et al. Nanoparticles-aided silver front contact paste for crystalline silicon solar cells. J Mater Sci: Mater Electron 24, 524–528 (2013). https://doi.org/10.1007/s10854-012-0941-0
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DOI: https://doi.org/10.1007/s10854-012-0941-0