Gradient functional characteristic of polymer/nanoparticle stacks on a polyethylene naphthalate film

Kenta Fukada, Seimei Shiratori

研究成果: Article査読

13 被引用数 (Scopus)

抄録

Gradient refractive index layered antireflection (GRIL-AR) films were fabricated using a layer-by-layer (LbL) self-assembly method. As a substrate, we chose indium tin oxide-polyethylene naphthalate (ITO-PEN; the refractive index of PEN is 1.77). We deposited the GRIL-AR films on the PEN side of ITO-PEN, and the refractive index was gradually decreased from 1.59 to 1.35 by alternating deposition cycles of SiO2 as a low-refractive-index material and TiO2 as a high-refractive-index material. In the LbL process, each material was movable because it was coated in wet conditions; this may have led to fabrication of the gradient refractive index. When poly(ethylene imine) (PEI) was compared with poly(diallyldimethylammonium chloride), antireflection (AR) using PEI showed high abrasion durability because of the loopy structure of the polymer and a high polymer ratio in the film. With the drying process, the prepared film showed enhanced abrasion durability. GRIL-AR on ITO-PEN showed broad-band AR properties.

本文言語English
ページ(範囲)979-986
ページ数8
ジャーナルIndustrial and Engineering Chemistry Research
54
3
DOI
出版ステータスPublished - 2015 1 28

ASJC Scopus subject areas

  • 化学工学(全般)
  • 化学 (全般)
  • 産業および生産工学

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