Experimental and simulation study for ultrathin (∼100 μm) mono crystalline silicon solar cell with 156×156 mm2 area

Kyeom Seon Do, Tae Hyeon Baek, Min Gu Kang, Sung Jin Choi, Gi Hwan Kang, Gwon Jong Yu, Jeong Chul Lee, Jae Min Myoung, Hee Eun Song

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


A reduction in silicon material consumption in the photovoltaic industry is required for cost reduction. Using crystalline silicon wafers of less than 120 microns of thickness is a promising way for cost and material reduction in the solar cell production. The standard thickness of crystalline silicon solar cells is currently around 180 microns. If the wafers are thinner than 100 microns in the silicon solar cells, the amount of silicon will be reduced by almost half, which should result in prominent cost reduction. With this aim, many groups have worked with thin crystalline silicon wafers. However, most of them have studied with small size substrates. In this paper, we present the electrical characteristics for thin single crystalline silicon solar cells of 100 and 115 μm thickness and 156×156 mm2 area manufactured through a conventional process. We have achieved 17.2% conversion efficiency with a 115 μm silicon substrate and 16.8% with a 100 μm substrate. This enables the commercialization of the thin crystalline silicon solar cells with high conversion efficiency. We also suggest issues to be solved in thin crystalline silicon solar cell manufacturing.

Original languageEnglish
Pages (from-to)545-550
Number of pages6
JournalMetals and Materials International
Issue number3
Publication statusPublished - 2014 May

Bibliographical note

Funding Information:
The authors would like to acknowledge the support from the Indian Institute of Technology Kanpur in preparation of this manuscript. The authors declare no conflict of interest.

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry


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