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Electrodeposition of 3D ordered macroporous germanium from ionic liquids: A feasible method to make photonic crystals with a high dielectric constant

  • Xiangdong Meng*
  • , Rihab Al-Salman
  • , Jiupeng Zhao
  • , Natalia Borissenko
  • , Yao Li
  • , Frank Endres
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Clausthal University of Technology
  • School of Chemistry and Chemical Engineering, Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A promising method for the production of germanium photonic crystals consists of electrodeposition of Ge from GeCl4-containing ionic liquids inside templates of polystyrene colloidal crystals and subsequent removal of the template. This room-temperature method gives rise to the fabrication of a three-dimensional highly ordered macroporous germanium nanostructure (see picture; scale: 2μm) as a prototype of a photonic crystal.

Original languageEnglish
Pages (from-to)2703-2707
Number of pages5
JournalAngewandte Chemie - International Edition
Volume48
Issue number15
DOIs
StatePublished - 30 Mar 2009

Keywords

  • Electrodeposition
  • Ionic liquids
  • Nanostructures
  • Photonic crystals
  • Semiconductors

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