Electrochromic photonic crystal displays with versatile color tunability

An electrochromic photonic crystal (EPC) display device that combines chemical (electrochromic) and physical (photonic) coloring mechanisms is reported for the first time. This EPC exhibits superior and versatile color tunability. The TiO 2 inverse opals fabricated by atomic layer deposition are ado...

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Bibliographic Details
Published in:Electrochemistry communications 2011-11, Vol.13 (11), p.1163-1165
Main Authors: Liu, Lijun, Karuturi, Siva Krishna, Su, Liap Tat, Wang, Qing, Tok, Alfred Iing Yoong
Format: Article
Language:English
Subjects:
Chemistry
Color tunability
Display devices
Electrochemistry
Electrochromic
Exact sciences and technology
General and physical chemistry
Miscellaneous (electroosmosis, electrophoresis, electrochromism, electrocrystallization, ...)
Photonic crystals
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Summary:An electrochromic photonic crystal (EPC) display device that combines chemical (electrochromic) and physical (photonic) coloring mechanisms is reported for the first time. This EPC exhibits superior and versatile color tunability. The TiO 2 inverse opals fabricated by atomic layer deposition are adopted as EPC material. Results show that the photonic band gaps selectively modified the optical properties of the EPC and enabled facile tuning of electrochromic colors. In addition, the reversible photonic and photonic modified electrochromic coloring states with insertion/extraction of lithium ions enable novel and promising approaches for future display applications. ► We study electrochromic photonic crystal (EPC) device. ► TiO 2 inverse opals were fabricated by atomic layer deposition as EPC material. ► EPCs exhibits superior and versatile color tunability. ► The reversible electrochromic coloring states were obtained with insertion/extraction of lithium ions.
ISSN:1388-2481
1873-1902
DOI:10.1016/j.elecom.2011.09.007