Automatic spray-LBL machine based on in-situ QCM monitoring

Nanae Fukao, Kyu Hong Kyung, Kouji Fujimoto, Seimei Shiratori

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Aqueous-based spray-layer-by-layer (spray-LBL) techniques have become an innovative, economic, and fast fabrication process, particularly in comparison to conventional LBL dipping techniques. The spray-LBL method has enhanced the growth of polyelectrolyte multilayer films using spray pressure. In this study, we have fabricated an automatic spray-LBL machine and have monitored the real-time growth of multilayer films using quartz crystal microbalance (QCM) techniques. We have discussed the process of multilayer thin film growth and the effect of spray pressure on film growth. We have fabricated polyelectrolyte multilayer films on gold, using poly(allylamine hydrochloride) (PAH) as the polycation and poly(acrylic acid) (PAA) as the polyanion. UV-vis spectroscopic data showed that visible light transmission was similar to that of bare slide glass. Fabrication using the automatic spray-LBL machine and real-time QCM monitoring allows the fabrication of optical quality thin films with precise thickness.

Original languageEnglish
Pages (from-to)2964-2969
Number of pages6
JournalMacromolecules
Volume44
Issue number8
DOIs
Publication statusPublished - 2011 Apr 26

Fingerprint

Quartz crystal microbalances
Multilayer films
Monitoring
carbopol 940
Film growth
Polyelectrolytes
Fabrication
Thin films
Polycyclic aromatic hydrocarbons
Light transmission
Gold
Acrylics
Glass
Economics
Acids

ASJC Scopus subject areas

  • Organic Chemistry
  • Materials Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry

Cite this

Automatic spray-LBL machine based on in-situ QCM monitoring. / Fukao, Nanae; Kyung, Kyu Hong; Fujimoto, Kouji; Shiratori, Seimei.

In: Macromolecules, Vol. 44, No. 8, 26.04.2011, p. 2964-2969.

Research output: Contribution to journalArticle

Fukao, Nanae ; Kyung, Kyu Hong ; Fujimoto, Kouji ; Shiratori, Seimei. / Automatic spray-LBL machine based on in-situ QCM monitoring. In: Macromolecules. 2011 ; Vol. 44, No. 8. pp. 2964-2969.
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