Electrochromic properties of nanochromic windows assembled by the layer-by-layer self-assembly technique

Yuna Kim, Eunkyoung Kim

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17 Citations (Scopus)


Nanostructure controlled electrochromic (EC) multilayer films were assembled by the layer-by-layer (LBL) technique using poly(aniline-N-butylsulfonate)s (PANBUS) as polyanion, and vinyl benzyl dimethyl alkyl ammonium-chloride (VBDA) and polyaniline as the counter cation. The building up of such multilayer films on an indium-tin oxide (ITO) substrate was characterized by the increment of the absorbance through UV-Vis spectroscopy and layer thickness. Electrochromic response was highly dependent on the alkylchain length of VBDA. Higher color contrast was observed when the EC film was prepared from the VBDA having a shorter alkylchain length. An all-solid-state EC display showed EC response at 3 V within 5 s with a stable memory effect.

Original languageEnglish
Pages (from-to)e202-e205
JournalCurrent Applied Physics
Issue numberSUPPL. 1
Publication statusPublished - 2006 Aug

Bibliographical note

Funding Information:
We acknowledge the financial support of the MOCIE (Ministry of Commerce, Industry, and Energy) and MEHRD (Ministry of Education and Human Resources Development), Republic of Korea.

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • General Physics and Astronomy


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