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標題: Aluminum–Titanium Alloy Back Contact Reducing Production Cost of Silicon Thin-Film Solar Cells
作者: Hsin-Yu Wu
Chia-Hsun Hsu
Shui-Yang Lien
Yeu-Long Jiang
關鍵字: silicon thin-film solar cells
aluminum–titanium (AlTi) alloy
contact resistance
摘要: In this study, metal films are fabricated by using an in-line reactive direct current magnetron sputtering system. The aluminum–titanium (AlTi) back contacts are prepared by changing the pressure from 10 mTorr to 25 mTorr. The optical, electrical and structural properties of the metal back contacts are investigated. The solar cells with the AlTi had lower contact resistance than those with the silver (Ag) back contact, resulting in a higher fill factor. The AlTi contact can achieve a solar cell conversion efficiency as high as that obtained from the Ag contact. These findings encourage the potential adoption of AlTi films as an alternative back contact to silver for silicon thin-film solar cells.
Appears in Collections:光電工程研究所



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