• 文献标题:   Switching Vertical to Horizontal Graphene Growth Using Faraday Cage-Assisted PECVD Approach for High-Performance Transparent Heating Device
  • 文献类型:   Article
  • 作  者:   QI Y, DENG B, GUO X, CHEN SL, GAO J, LI TR, DOU ZP, CI HN, SUN JY, CHEN ZL, WANG RY, CUI LZ, CHEN XD, CHEN K, WANG HH, WANG S, GAO P, RUMMELI MH, PENG HL, ZHANG YF, LIU ZF
  • 作者关键词:   faraday cage, laiddown graphene, plasmaenhanced chemical vapor deposition, vertical graphene
  • 出版物名称:   ADVANCED MATERIALS
  • ISSN:   0935-9648 EI 1521-4095
  • 通讯作者地址:   Peking Univ
  • 被引频次:   17
  • DOI:   10.1002/adma.201704839
  • 出版年:   2018

▎ 摘  要

Plasma-enhanced chemical vapor deposition (PECVD) is an applicable route to achieve low-temperature growth of graphene, typically shaped like vertical nanowalls. However, for transparent electronic applications, the rich exposed edges and high specific surface area of vertical graphene (VG) nanowalls can enhance the carrier scattering and light absorption, resulting in high sheet resistance and low transmittance. Thus, the synthesis of laid-down graphene (LG) is imperative. Here, a Faraday cage is designed to switch graphene growth in PECVD from the vertical to the horizontal direction by weakening ion bombardment and shielding electric field. Consequently, laid-down graphene is synthesized on low-softening-point soda-lime glass (6 cm x 10 cm) at approximate to 580 degrees C. This is hardly realized through the conventional PECVD or the thermal chemical vapor deposition methods with the necessity of high growth temperature (1000 degrees C-1600 degrees C). Laid-down graphene glass has higher transparency, lower sheet resistance, and much improved macroscopic uniformity when compare to its vertical graphene counterpart and it performs better in transparent heating devices. This will inspire the next-generation applications in low-cost transparent electronics.