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首页> 外文期刊>RSC Advances >Effect of glass frit in Ag paste on the electrical properties of front-side Ag contacts for crystalline-silicon solar cells
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Effect of glass frit in Ag paste on the electrical properties of front-side Ag contacts for crystalline-silicon solar cells

机译：银浆中的玻璃粉对晶体硅太阳能电池正面银触点电性能的影响

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摘要

The effect of glass frit, used in front-side silver pastes, on the electrical properties of front-side silver contacts in silicon solar cells was studied. Glass frits with the same composition but three different degrees of crystallization were prepared by introducing some nucleating agents to provide nucleation sites for the formation of the crystal structure of the glass-frit. The phase structure of the glass frits was characterized using X-ray diffraction. The Ag-Si contacts were investigated using scanning electron microscopy, and the results indicated that glass frit with a moderate crystallization degree facilitated to acquire optimal size crystalline Ag, which was distributed uniformly in the glass layer and silicon substrate. Therefore, an excellent metallized contact was achieved. In addition, the particle size and proportion of glass frit in the paste also had an impact on the electrical properties of the solar cells. The results demonstrated that a silver paste consisting of 3 wt% crystalline glass frit with a particle size of 3.12 mm not only ensured sufficient adhesion of the silver electrode, but also improved the Ag-Si contact to enhance the conversion efficiency of the solar cells.
机译：研究了用于正面银浆中的玻璃粉对硅太阳能电池中正面银触点的电性能的影响。通过引入一些成核剂以提供用于形成玻璃料的晶体结构的成核位点，来制备具有相同组成但三种不同结晶度的玻璃料。使用X射线衍射表征玻璃料的相结构。利用扫描电子显微镜对Ag-Si接触进行了研究，结果表明，具有中等结晶度的玻璃料有助于获得最佳尺寸的结晶Ag，其均匀分布在玻璃层和硅基板中。因此，获得了优异的金属化接触。另外，糊料中玻璃粉的粒径和比例也对太阳能电池的电性能有影响。结果表明，由3重量％的结晶玻璃料组成的银浆，其粒径为3.12mm，不仅确保了银电极的充分粘附，而且改善了Ag-Si接触以提高太阳能电池的转化效率。

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