Title :
Screen printed finger electrode with high aspect ratio by single printing for crystal Si solar cell using novel screen mask
Author :
Itoh, Uichi ; Yoshida, Manabu ; Tokuhisa, Hideo ; Ushifusa, Nobuyuki ; Sumita, Isao ; Fukunishi, Takashi ; Aoki, Mari ; Ohshita, Yoshio ; Kamata, Hidetoshi
Author_Institution :
Nat. Inst. of Adv. Ind. & Sci. Technol. (AIST), Tsukuba, Japan
Abstract :
We developed novel screen mask with repellent property to organic solvent containing in Ag paste to print finger electrode with high aspect ratio by single printing and to reduce bleeding caused by spreading the paste at the edge of electrode line. The average height of finger electrode is 40.6 μm and average width is 64.0 μm when using the mask with 40 μm thick emulsion layer composed of 30μm hard layer and 10μm soft layer. The designed opening for electrode is 60 μm.
Keywords :
electrochemical electrodes; elemental semiconductors; emulsions; masks; silicon; silver; solar cells; wetting; Ag paste; Ag-Si; bleeding reduction; crystal Si solar cell; emulsion layer; organic solvent; paste spreading; repellent property; screen mask; screen printed finger electrode; single printing; size 40 mum; Electrodes; Fingers; Hemorrhaging; Photovoltaic cells; Printing; Silicon; Surface treatment; photovoltaic cells; screen mask; screen printing technology; silicon;
Conference_Titel :
Photovoltaic Specialists Conference (PVSC), 2012 38th IEEE
Conference_Location :
Austin, TX
Print_ISBN :
978-1-4673-0064-3
DOI :
10.1109/PVSC.2012.6318026
