Fabrication of multilayer films using a spinning process

Jinhan Cho; Kookheon Char; Jong Dal Hong; Ki Bong Lee

Fabrication of multilayer films using a spinning process

Jinhan Cho, Kookheon Char, Jong Dal Hong, Ki Bong Lee

Department of Chemical and Biological Engineering

Research output: Contribution to journal › Conference article

Abstract

We introduce a method to build up organic/organic and organic/inorganic multilayer films composed of cationic poly(allylamine hydrochloride) (PAH) and negatively charged poly(sodium 4-styrenesulfonate) (PSS) or inorganic cadmium sulfide (CdS) nanoparticles using a spinning process. Since the deposition of each layer is made at a high spinning speed, the adsorption time for the formation of a homogeneous thin layer takes only 8 to 15 seconds. The adsorbed film thickness per bilayer can be easily controlled from about 5Å to 40Å by varying the spinning speed (Ω) and the mole concentration of polyelectrolytes. We also demonstrated with X-ray reflectivity that the alternating organic/inorganic ultrathin films fabricated by the spin SA process retain highly ordered internal structure in comparison with those prepared by the conventional SA process.

Original language	English
Pages (from-to)	P6251-P6255
Journal	Materials Research Society Symposium - Proceedings
Volume	648
Publication status	Published - 2001
Event	Growth, Evolution and Properties of Surfaces, Thin Films and Self-Organized Strutures - Boston, MA, United States Duration: 2000 Nov 27 → 2000 Dec 1

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Cho, J., Char, K., Hong, J. D., & Lee, K. B. (2001). Fabrication of multilayer films using a spinning process. Materials Research Society Symposium - Proceedings, 648, P6251-P6255.

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title = "Fabrication of multilayer films using a spinning process",

abstract = "We introduce a method to build up organic/organic and organic/inorganic multilayer films composed of cationic poly(allylamine hydrochloride) (PAH) and negatively charged poly(sodium 4-styrenesulfonate) (PSS) or inorganic cadmium sulfide (CdS) nanoparticles using a spinning process. Since the deposition of each layer is made at a high spinning speed, the adsorption time for the formation of a homogeneous thin layer takes only 8 to 15 seconds. The adsorbed film thickness per bilayer can be easily controlled from about 5{\AA} to 40{\AA} by varying the spinning speed (Ω) and the mole concentration of polyelectrolytes. We also demonstrated with X-ray reflectivity that the alternating organic/inorganic ultrathin films fabricated by the spin SA process retain highly ordered internal structure in comparison with those prepared by the conventional SA process.",

author = "Jinhan Cho and Kookheon Char and Hong, {Jong Dal} and Lee, {Ki Bong}",

year = "2001",

language = "English",

volume = "648",

pages = "P6251--P6255",

journal = "Materials Research Society Symposium Proceedings",

issn = "0272-9172",

publisher = "Materials Research Society",

note = "Growth, Evolution and Properties of Surfaces, Thin Films and Self-Organized Strutures ; Conference date: 27-11-2000 Through 01-12-2000",

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TY - JOUR

T1 - Fabrication of multilayer films using a spinning process

AU - Cho, Jinhan

AU - Char, Kookheon

AU - Hong, Jong Dal

AU - Lee, Ki Bong

PY - 2001

Y1 - 2001

N2 - We introduce a method to build up organic/organic and organic/inorganic multilayer films composed of cationic poly(allylamine hydrochloride) (PAH) and negatively charged poly(sodium 4-styrenesulfonate) (PSS) or inorganic cadmium sulfide (CdS) nanoparticles using a spinning process. Since the deposition of each layer is made at a high spinning speed, the adsorption time for the formation of a homogeneous thin layer takes only 8 to 15 seconds. The adsorbed film thickness per bilayer can be easily controlled from about 5Å to 40Å by varying the spinning speed (Ω) and the mole concentration of polyelectrolytes. We also demonstrated with X-ray reflectivity that the alternating organic/inorganic ultrathin films fabricated by the spin SA process retain highly ordered internal structure in comparison with those prepared by the conventional SA process.

AB - We introduce a method to build up organic/organic and organic/inorganic multilayer films composed of cationic poly(allylamine hydrochloride) (PAH) and negatively charged poly(sodium 4-styrenesulfonate) (PSS) or inorganic cadmium sulfide (CdS) nanoparticles using a spinning process. Since the deposition of each layer is made at a high spinning speed, the adsorption time for the formation of a homogeneous thin layer takes only 8 to 15 seconds. The adsorbed film thickness per bilayer can be easily controlled from about 5Å to 40Å by varying the spinning speed (Ω) and the mole concentration of polyelectrolytes. We also demonstrated with X-ray reflectivity that the alternating organic/inorganic ultrathin films fabricated by the spin SA process retain highly ordered internal structure in comparison with those prepared by the conventional SA process.

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M3 - Conference article

AN - SCOPUS:0035558510

VL - 648

SP - P6251-P6255

JO - Materials Research Society Symposium Proceedings

JF - Materials Research Society Symposium Proceedings

SN - 0272-9172

T2 - Growth, Evolution and Properties of Surfaces, Thin Films and Self-Organized Strutures

Y2 - 27 November 2000 through 1 December 2000

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