Exploiting metallic glasses for 19.6 efficient back contact solar cell

Suk Jun Kim, Se Yun Kim, Jin Man Park, Jung Na Heo, Jun Ho Lee, Sang Mock Lee, Do Hyang Kim, Won Tae Kim, Ka Ram Lim, Donghwan Kim, Sung Chan Park, Hyoeng Ki Kim, Min Chul Song, Jucheol Park, Sang Soo Jee, Eun Sung Lee

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


An interdigitated back contact silicon solar cell with conversion efficiency of 19.6 was fabricated by screen-printing the Ag paste. In the Ag paste, oxide glass frits were totally replaced by Al 85Ni 5Y 8Co 2, Al-based metallic glass (MG) ones. The thermoplastic forming of the MG in the super cooled liquid region led to large contact area at the interface between Ag electrodes and Si layers and thus to specific contact resistance (ρ c) as low as 0.86 m cm 2. The specific contact resistance was a function of both contact area and thickness of the interlayer formed at the interface working as a tunneling barrier.

Original languageEnglish
Article number064106
JournalApplied Physics Letters
Issue number6
Publication statusPublished - 2012 Aug 6

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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