The fabrication of front electrodes of Si solar cell by dispensing printing
- Authors
- Kim, Do-Hyung; Ryu, Sung-Soo; Shin, Dongwook; Shin, Jung-Han; Jeong, Jwa-Jin; Kim, Hyeong-Jun; Chang, Hyo Sik
- Issue Date
- Feb-2012
- Publisher
- ELSEVIER
- Keywords
- Dispensing printing; Electrode; Ag paste; Efficiency; Aspect ratio; Crystalline silicon solar cell
- Citation
- MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, v.177, no.2, pp.217 - 222
- Indexed
- SCIE
SCOPUS
- Journal Title
- MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
- Volume
- 177
- Number
- 2
- Start Page
- 217
- End Page
- 222
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/166391
- DOI
- 10.1016/j.mseb.2011.12.027
- ISSN
- 0921-5107
- Abstract
- The dispensing printing was applied to fabricate the front electrodes of silicon solar cell. In this method, a micro channel nozzle and normal Ag paste were employed. The aspect ratio and line width of electrodes could be controlled by the process variables such as the inner diameter of nozzle, dispensing speed, discharge pressure, and the gap between wafer and nozzle. For the nozzle with the inner diameter of 50 mu m, the line width and aspect ratio of electrode were under 90 mu m and more than similar to 0.2, respectively. When comparing the efficiency of solar cell prepared by conventional screen printing and the dispensing printing, the latter exhibited 19.1%, which is 0.8% absolute higher than the former even with the same Ag paste. This is because the electrode by dispensing printing has uniform aspect ratio and narrow line width over the length of electrode.
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