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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Tung-Po Hsieh Chia-Chih Chuang Chung-Shin Wu Jen-Chuan Chang Jhe-Wei Guo Wei-Chien Chen |
| Copyright Year | 2009 |
| Description | Author affiliation: Photovoltaics Technology Center, Industrial Technology Research Institute, Hsinchu, Taiwan, 310, R.O.C. (Tung-Po Hsieh; Chia-Chih Chuang; Chung-Shin Wu; Jen-Chuan Chang; Jhe-Wei Guo; Wei-Chien Chen) |
| Abstract | Large grain and copper-poor CuInGaSe (CIGS) film is preferred to fabricate high efficiency solar cells. However, the degradation caused by excess copper selenide (CuSe) is still a problem. This study investigates the formation and behavior of excess CuxSe and further compares the cell performances between typical copper-poor and copper-rich solar cells. As the excess CuSe can not be exhaust during the growth, the excess CuSe fully surrounded by the polycrystalline CIGS grain. The CIGS film with excess CuSe would result in serious shunt paths and poor PN junction. A short circuit in the copper-rich CIGS solar cells can be attributed to the conductive CuSe. For high efficiency cells, the best way is to exhaust CuSe during the growth. Or otherwise a dense CIGS film with chemical treatments is necessary to avoid the negative effects of the excess CuSe. |
| Starting Page | 000052 |
| Ending Page | 000054 |
| File Size | 3362057 |
| Page Count | 3 |
| File Format | |
| ISBN | 9781424429493 |
| ISSN | 01608371 |
| DOI | 10.1109/PVSC.2009.5411748 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-06-07 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Copper Photovoltaic cells Scanning electron microscopy Transistors Degradation Substrates Temperature X-ray diffraction Metals industry Circuits |
| Content Type | Text |
| Resource Type | Article |
| Subject | Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering |
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