Enhanced transmittance of glass plates for solar cells using nano-imprint lithography

Kang Soo Han, Ju Hyeon Shin, Heon Lee

Research output: Contribution to journalArticlepeer-review

68 Citations (Scopus)


A nanometer scale polymer pattern was formed on the surface of a glass plate by nano-imprint lithography with the aim of reducing the reflection of light at the surface. Since this polymeric nano-pattern is smaller than the wavelength of light, the effective refractive index near the surface changes gradually, and reduces the amount of reflection. Such a nano-pattern was formed on one or both sides of a glass plate, which will be used as the protective layer for solar cell devices. As a result, a solar cell with a both-side patterned glass plate as a protective layer showed up to 2.5% increase (5.14-5.27%) in total conversion efficiency, compared to a solar cell with a bare glass plate.

Original languageEnglish
Pages (from-to)583-587
Number of pages5
JournalSolar Energy Materials and Solar Cells
Issue number3
Publication statusPublished - 2010 Mar


  • Anti-reflection
  • Moth-eye
  • Nano-imprint lithography
  • Quantum efficiency
  • Transmittance

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films


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