• 文献标题:   Large-scale patterned multi-layer graphene films as transparent conducting electrodes for GaN light-emitting diodes
  • 文献类型:   Article
  • 作  者:   JO G, CHOE M, CHO CY, KIM JH, PARK W, LEE S, HONG WK, KIM TW, PARK SJ, HONG BH, KAHNG YH, LEE T
  • 作者关键词:  
  • 出版物名称:   NANOTECHNOLOGY
  • ISSN:   0957-4484 EI 1361-6528
  • 通讯作者地址:   Gwangju Inst Sci Technol
  • 被引频次:   224
  • DOI:   10.1088/0957-4484/21/17/175201
  • 出版年:   2010

▎ 摘  要

This work demonstrates a large-scale batch fabrication of GaN light-emitting diodes (LEDs) with patterned multi-layer graphene (MLG) as transparent conducting electrodes. MLG films were synthesized using a chemical vapor deposition (CVD) technique on nickel films and showed typical CVD-synthesized MLG film properties, possessing a sheet resistance of similar to 620 Omega/square with a transparency of more than 85% in the 400-800 nm wavelength range. The MLG was applied as the transparent conducting electrodes of GaN-based blue LEDs, and the light output performance was compared to that of conventional GaN LEDs with indium tin oxide electrodes. Our results present a potential development toward future practical application of graphene electrodes in optoelectronic devices.