Detection of finger interruptions in silicon solar cells using photoluminescence imaging<xref rid="cpb_27_6_068801_fn1" ref-type="fn">*</xref> <fn id="cpb_27_6_068801_fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant Nos. 61504139 and 61275040) and the Fund from the Chinese Academy of Sciences (Grant No. Y072051002).</p> </fn>

Detection of finger interruptions in silicon solar cells using photoluminescence imaging* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 61504139 and 61275040) and the Fund from the Chinese Academy of Sciences (Grant No. Y072051002).

Zhang Lei^{1, 2, †}, Liang Peng^{1, 2}, Zhu Hui-Shi^{1, 2}, Han Pei-De^{1, 2, ‡}

(color online) Images of a monocrystalline solar cell with interrupted fingers induced by laser cutting. (a) EL image with an applied forward bias of 0.676 V. (b) PL image at an applied voltage of 0.476 V under 1-sun illumination. (c) R_S,i image calculated by the C-DCR method.