Single-Crystalline Silicon Solar Cell with Selective Emitter Formed by Screen Printing and Chemical Etching Method: A Feasibility Study

<table>Cross-sectional SEM views for (a) a 2 <i>μ</i>m deep trench and (b) a 15 <i>μ</i>m deep trench, both being filled with silver paste. (c) is a prospective view for the silver-filled 15 <i>μ</i>m deep trench, while (d) indicates the top view dimension for the busbar/gridline pattern.</table>

International Journal of Photoenergy

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Figure 4

Figure 4: Single-Crystalline Silicon Solar Cell with Selective Emitter Formed by Screen Printing and Chemical Etching Method: A Feasibility Study 