Alternate multilayer deposition from ammonium amphiphiles and titanium dioxide crystalline nanosheets using the Langmuir-Blodgett technique

Tetsuya Yamaki; Keisuke Asai

doi:10.1021/la0016423

Alternate multilayer deposition from ammonium amphiphiles and titanium dioxide crystalline nanosheets using the Langmuir-Blodgett technique

Tetsuya Yamaki, Keisuke Asai

Research output: Contribution to journal › Article › peer-review

43 Citations (Scopus)

Abstract

A new type of TiO₂ nanosheet organic complex multilayer film was successfully prepared by the Langmuir-Blodgett technique. Surface pressure-area (π-A) curves demonstrated that a stable monolayer of dioctadecyldimethylammonium bromide (DODAB) was formed on an aqueous suspension of TiO₂ nanosheets derived from an exfoliated layered titanate, H_xTi_2-x/4□_x/4O₄·H₂O (x ∼ 0.7; □, vacancy). The hybrid monolayer of the ammonium amphiphiles and the TiO₂ nanosheet was quantitatively transferred onto a hydrophobic quartz plate to form a multilayer film. X-ray diffraction measurements confirmed the formation of an ordered structure of DODAB/TiO₂ with an interlayer distance of 3.4 nm.

Original language	English
Pages (from-to)	2564-2567
Number of pages	4
Journal	Langmuir
Volume	17
Issue number	9
DOIs	https://doi.org/10.1021/la0016423
Publication status	Published - 2001 May 1
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/la0016423

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title = "Alternate multilayer deposition from ammonium amphiphiles and titanium dioxide crystalline nanosheets using the Langmuir-Blodgett technique",

abstract = "A new type of TiO2 nanosheet organic complex multilayer film was successfully prepared by the Langmuir-Blodgett technique. Surface pressure-area (π-A) curves demonstrated that a stable monolayer of dioctadecyldimethylammonium bromide (DODAB) was formed on an aqueous suspension of TiO2 nanosheets derived from an exfoliated layered titanate, HxTi2-x/4□x/4O4·H2 O (x ∼ 0.7; □, vacancy). The hybrid monolayer of the ammonium amphiphiles and the TiO2 nanosheet was quantitatively transferred onto a hydrophobic quartz plate to form a multilayer film. X-ray diffraction measurements confirmed the formation of an ordered structure of DODAB/TiO2 with an interlayer distance of 3.4 nm.",

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AU - Yamaki, Tetsuya

AU - Asai, Keisuke

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Y1 - 2001/5/1

N2 - A new type of TiO2 nanosheet organic complex multilayer film was successfully prepared by the Langmuir-Blodgett technique. Surface pressure-area (π-A) curves demonstrated that a stable monolayer of dioctadecyldimethylammonium bromide (DODAB) was formed on an aqueous suspension of TiO2 nanosheets derived from an exfoliated layered titanate, HxTi2-x/4□x/4O4·H2 O (x ∼ 0.7; □, vacancy). The hybrid monolayer of the ammonium amphiphiles and the TiO2 nanosheet was quantitatively transferred onto a hydrophobic quartz plate to form a multilayer film. X-ray diffraction measurements confirmed the formation of an ordered structure of DODAB/TiO2 with an interlayer distance of 3.4 nm.

AB - A new type of TiO2 nanosheet organic complex multilayer film was successfully prepared by the Langmuir-Blodgett technique. Surface pressure-area (π-A) curves demonstrated that a stable monolayer of dioctadecyldimethylammonium bromide (DODAB) was formed on an aqueous suspension of TiO2 nanosheets derived from an exfoliated layered titanate, HxTi2-x/4□x/4O4·H2 O (x ∼ 0.7; □, vacancy). The hybrid monolayer of the ammonium amphiphiles and the TiO2 nanosheet was quantitatively transferred onto a hydrophobic quartz plate to form a multilayer film. X-ray diffraction measurements confirmed the formation of an ordered structure of DODAB/TiO2 with an interlayer distance of 3.4 nm.

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Alternate multilayer deposition from ammonium amphiphiles and titanium dioxide crystalline nanosheets using the Langmuir-Blodgett technique

Abstract

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