Tunable Lyotropic Photonic Liquid Crystal Based on Graphene Oxide

Peng Li, Minhao Wong, Xi Zhang, Haiqing Yao, Ryohei Ishige, Atsushi Takahara, Masahiro Miyamoto, Riichi Nishimura, Hung Jue Sue

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)

Abstract

A direct colloidal self-assembly approach was utilized to prepare photonic crystals based on exfoliated graphene oxide (GO) in aqueous solution. The GO sheets form ordered photonic structure spontaneously without the need for multiple processing steps. The wavelength of light reflected by the GO photonic crystal dispersion can be controlled over the entire visible light spectrum simply by varying the GO concentration. The aspect ratio of the GO sheets and mediation of the intersheet forces are found to be the key factors influencing the stability of photonic crystal formation. The usefulness and limitations of the GO photonic crystals prepared in this study are discussed. (Graph Presented).

Original languageEnglish
Pages (from-to)79-86
Number of pages8
JournalACS Photonics
Volume1
Issue number1
DOIs
Publication statusPublished - Jan 15 2014

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biotechnology
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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