Anodic Oxide Nanostructures and Their Applications in Energy Generation and Storage

  • Stephen DeWitt
    Stephen DeWitt
    Applied Physics Program, University of Michigan, 2300 Hayward Street, Ann Arbor, Michigan 48109, United States
    Department of Materials Science and Engineering, University of Michigan, 2300 Hayward Street, Ann Arbor, Michigan 48109, United States
  •  and 
  • Katsuyo Thornton*
    Katsuyo Thornton
    Applied Physics Program, University of Michigan, 2300 Hayward Street, Ann Arbor, Michigan 48109, United States
    Department of Materials Science and Engineering, University of Michigan, 2300 Hayward Street, Ann Arbor, Michigan 48109, United States
    *E-mail: [email protected]
DOI: 10.1021/bk-2015-1213.ch002
Publication Date (Web):December 15, 2015
Nanomaterials for Sustainable Energy
Chapter 2pp 19-39
ACS Symposium SeriesVol. 1213
ISBN13: 9780841231160eISBN: 9780841231153
Copyright © 2015 American Chemical Society
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Abstract

This chapter reviews the morphologies, growth mechanisms, and applications of anodic oxide films. Experimentally, it is possible to control the growth conditions of these films to yield several distinct morphologies, including self-ordered nanoporous and nanotubular films and more complex morphologies such as nanolace. Fundamental processes that lead to self-ordering of nanoscale features, including interfacial reactions, ionic transport, stress generation, and space charge accumulation, are discussed. The high-aspect-ratio geometries and nanoscale feature sizes of anodic oxide films are attractive for a range of applications either as an active component or as a template. Specifically, applications to solar cells, batteries, and supercapacitors are reviewed.