• 文献标题:   An Eco-Friendly, CMOS-Compatible Transfer Process for Large-Scale CVD-Graphene
  • 文献类型:   Article
  • 作  者:   MOON JY, KIM SI, SON SK, KANG SG, LIM JY, LEE DK, AHN B, WHANG D, YU HK, LEE JH
  • 作者关键词:   chemical vapor deposition, graphene, moo3, transfer, water soluble
  • 出版物名称:   ADVANCED MATERIALS INTERFACES
  • ISSN:   2196-7350
  • 通讯作者地址:   Ajou Univ
  • 被引频次:   4
  • DOI:   10.1002/admi.201900084
  • 出版年:   2019

▎ 摘  要

Since the first realization of graphene synthesis through the chemical vapor deposition (CVD) method in 2009, CVD-graphene is regarded as a key material in the future electronics industry, and one that requires high standard characteristics. However, because graphene itself is not a semiconductor, therefore it does not have a bandgap, a promising application is considered to integrate its use with semiconductors, rather than completely replace Si or Ge. Although numerous methods for a clean and uniform graphene transfer process are developed, graphene growth and transfer methods that are applicable to current mainstream Si-based complementary metal-oxide-semiconductor (CMOS) manufacturing processes are not yet introduced. This study implements an eco-friendly and CMOS-compatible graphene transfer process through water-soluble inorganic MoO3 film as a supporting layer. Since the monolayer graphene is grown on hydrogen-terminated semiconductor Ge surface, the MoO3 thin film coated graphene is easily delaminated from the Ge substrate. The separated graphene could be transferred to arbitrary substrate without a chemical wet etching process, and the remaining Ge substrate could be employed for about 50 times multiple reuse for the growth of graphene, without degradation of the crystallinity of the graphene.