• 文献标题:   2D host-guest supramolecular chemistry for an on-monolayer graphene emitting platform
  • 文献类型:   Article
  • 作  者:   KIM B, CHO C, ARFAOUI I, PARIS C, PETIT C, LE BAHERS T, KIM E, ATTIAS AJ
  • 作者关键词:  
  • 出版物名称:   MATERIALS HORIZONS
  • ISSN:   2051-6347 EI 2051-6355
  • 通讯作者地址:   Yonsei Univ
  • 被引频次:   0
  • DOI:   10.1039/d0mh00950d
  • 出版年:   2020

▎ 摘  要

Here is reported a novel strategy of non-covalent functionalization of graphene to avoid the electronic coupling between this semi-metal and directly adsorbed optically active molecules. Graphene-confined supramolecular host-guest recognition is used to elaborate an emitting hybrid platform. It is shown that the cavities of an on-monolayer graphene nanoporous self-assembled network are able to trap zinc phthalocyanine molecules coordinated to an emitting axial ligand. As a result, the emission of the hybrid system exhibits the same features as the isolated molecular emitter, demonstrating that the fluorescence is not quenched by graphene and that the well-controlled inter-chromophore distance prevents any interaction between the dyes. Furthermore, an in-depth modelling study confirms the weak interaction between the out of plane emitting moieties and the monolayer graphene. This work opens a new avenue for the realization of innovative light-responsive graphene-based devices in nanophotonics and optoelectronics.