Bottom-up preparation of porous metal-oxide ultrathin sheets with adjustable composition/phases and their applications

Small. 2011 Dec 16;7(24):3458-64. doi: 10.1002/smll.201101729. Epub 2011 Nov 7.

Abstract

A facile bottom-up synthesis approach is developed to prepare porous metal-oxide ultrathin sheets, e.g., SnO(2), Fe(2)O(3), and SnO(2)-Fe(2)O(3), with thicknesses of ∼5 nm. Graphene sheets are used as the sacrificing template. Such a process can be extended to the synthesis of multiphased porous metal-oxide thin sheets. These porous thin sheets show interesting applications as gas sensors, effective platforms for matrix-assisted laser desorption/ionization-time-of-flight mass spectrometry, and supercapacitors.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Electrons
  • Graphite / chemistry
  • Metals / chemistry*
  • Nanostructures / chemistry*
  • Nanostructures / ultrastructure
  • Nanotechnology / methods*
  • Oxides / chemistry*
  • Phase Transition*
  • Porosity
  • Temperature

Substances

  • Metals
  • Oxides
  • Graphite