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The contact resistance of Ag screen-printed contacts to solar cells has been studied by the implementation of three different contact resistance measurements techniques. It was found that Transfer Length Method (TLM) is not appropriate for evaluating screen-printed contacts to solar cells while a new technique using a special pattern consisting of squares is better suited for this kind of metallization...
Screen-printed Ag thick-film metallization is used in the photovoltaic industry for the front-side emitter contacts of crystalline silicon solar cells owing to its cost-effectiveness and high throughput. In order to obtain a better understanding for the formation of Ag crystallites at the paste/Si interface and the correlation between the electrical properties and microstructure of the contact, the...
It has long been known that performance of industrial silicon solar cells depends critically on the firing conditions (e.g., temperature-time profile) of the screen-printed thick film Ag conductors (for front-side contact). Using dual beam (focused ion and electron) microscopy and transmission electron microscopy (TEM), we have investigated the microstructure of the front-side contact/solar cell emitter...
The screen printing is used in the photovoltaic for the realization of solar cells's contacts. The screen printing is divided on this one of the front side and that one of the back side. Ag paste is used as the filling for screen printing. The drying of the spread paste follows after the screen printing of the silicon wafer. The higher stability of the print and the elimination of humidity before...
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