Nanoscale texture control of polyelectrolyte multilayer using spray layer-by-layer method

Kyu Hong Kyung, Seimei Shiratori

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Weak polyelectrolyte multilayer thin films deposited by sequential spraying of poly(allylamine hydrochloride) (PAH) and poly(acrylic acid) (PAA) solutions are described. Using the spray layer-by-layer (spray-LBL) method, nanoscale texture structures were fabricated considering several factors such as the concentration of spray solution, spray quantity, and the flow rate of spray solution. It was also found that the formation of nanoscale texture structures was dependent on all three factors. Then, their surface morphologies were characterized. The surface morphologies of the fabricated films were observed by field-emission scanning electron microscopy (FE-SEM) and atomic force microscopy (AFM). The FESEM and AFM images showed that using the spray-LBL method, the surface morphology can be controlled with nanometer-order accuracy. As a result, the speed of fabricating thin films by the spray-LBL method was markedly increased compared with that by the dipping LBL method.

Original languageEnglish
Article number025602
JournalJapanese Journal of Applied Physics
Volume50
Issue number2
DOIs
Publication statusPublished - 2011 Feb

Fingerprint

Polyelectrolytes
Surface morphology
sprayers
Multilayers
textures
Textures
Atomic force microscopy
Thin films
Multilayer films
Spraying
Polycyclic aromatic hydrocarbons
Field emission
Acrylics
Flow rate
atomic force microscopy
Scanning electron microscopy
Acids
spraying
hydrochlorides
acrylic acid

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Nanoscale texture control of polyelectrolyte multilayer using spray layer-by-layer method. / Kyung, Kyu Hong; Shiratori, Seimei.

In: Japanese Journal of Applied Physics, Vol. 50, No. 2, 025602, 02.2011.

Research output: Contribution to journalArticle

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