Study of Langmuir monolayers of crown-ether C60 derivatives and their interaction with different subphase ions

Shaopeng Wang; Roger M. Leblanc; Francisco Arias; Luis Echegoyen

doi:10.1016/S0040-6090(98)00616-6

Study of Langmuir monolayers of crown-ether C₆₀ derivatives and their interaction with different subphase ions

Shaopeng Wang, Roger M. Leblanc, Francisco Arias, Luis Echegoyen

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

8 Scopus citations

Abstract

The Langmuir monolayers of two crown-ether C₆₀ derivatives with different crown size (18-crown-6, and 15-crown-5) were studied by surface spectrophotometry and Brewster angle microscopy. The surface pressure-area (π-A) isotherms of the C₆₀ derivatives on pure water and different subphase ions were obtained. The limiting area of the isotherms depends on both the crown size and the presence of subphase ions. The larger crown size gave the larger limiting area of the isotherm. The addition of K^•, Ba^2• or NH₄^• to the subphase stabilized the monolayers and increased the limiting areas of the monolayer. Brewster angle microscopy shows different aggregation properties of crown-ether C₆₀ derivative monolayers on pure water compared with those on K^•, Ba^2• or NH₄^• subphases.

Original language	English (US)
Pages (from-to)	141-144
Number of pages	4
Journal	Thin Solid Films
Volume	327-329
Issue number	1-2
DOIs	https://doi.org/10.1016/S0040-6090(98)00616-6
State	Published - Jan 1 1998
Externally published	Yes

Keywords

Brewster angle microscopy
C60 derivatives
Crown-ether
Fullerene
Langmuir monolayer
Surf ace spectrophotometry

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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title = "Study of Langmuir monolayers of crown-ether C60 derivatives and their interaction with different subphase ions",

abstract = "The Langmuir monolayers of two crown-ether C60 derivatives with different crown size (18-crown-6, and 15-crown-5) were studied by surface spectrophotometry and Brewster angle microscopy. The surface pressure-area (π-A) isotherms of the C60 derivatives on pure water and different subphase ions were obtained. The limiting area of the isotherms depends on both the crown size and the presence of subphase ions. The larger crown size gave the larger limiting area of the isotherm. The addition of K•, Ba2• or NH4• to the subphase stabilized the monolayers and increased the limiting areas of the monolayer. Brewster angle microscopy shows different aggregation properties of crown-ether C60 derivative monolayers on pure water compared with those on K•, Ba2• or NH4• subphases.",

keywords = "Brewster angle microscopy, C60 derivatives, Crown-ether, Fullerene, Langmuir monolayer, Surf ace spectrophotometry",

author = "Shaopeng Wang and Leblanc, {Roger M.} and Francisco Arias and Luis Echegoyen",

year = "1998",

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T1 - Study of Langmuir monolayers of crown-ether C60 derivatives and their interaction with different subphase ions

AU - Wang, Shaopeng

AU - Leblanc, Roger M.

AU - Arias, Francisco

AU - Echegoyen, Luis

PY - 1998/1/1

Y1 - 1998/1/1

N2 - The Langmuir monolayers of two crown-ether C60 derivatives with different crown size (18-crown-6, and 15-crown-5) were studied by surface spectrophotometry and Brewster angle microscopy. The surface pressure-area (π-A) isotherms of the C60 derivatives on pure water and different subphase ions were obtained. The limiting area of the isotherms depends on both the crown size and the presence of subphase ions. The larger crown size gave the larger limiting area of the isotherm. The addition of K•, Ba2• or NH4• to the subphase stabilized the monolayers and increased the limiting areas of the monolayer. Brewster angle microscopy shows different aggregation properties of crown-ether C60 derivative monolayers on pure water compared with those on K•, Ba2• or NH4• subphases.

AB - The Langmuir monolayers of two crown-ether C60 derivatives with different crown size (18-crown-6, and 15-crown-5) were studied by surface spectrophotometry and Brewster angle microscopy. The surface pressure-area (π-A) isotherms of the C60 derivatives on pure water and different subphase ions were obtained. The limiting area of the isotherms depends on both the crown size and the presence of subphase ions. The larger crown size gave the larger limiting area of the isotherm. The addition of K•, Ba2• or NH4• to the subphase stabilized the monolayers and increased the limiting areas of the monolayer. Brewster angle microscopy shows different aggregation properties of crown-ether C60 derivative monolayers on pure water compared with those on K•, Ba2• or NH4• subphases.

KW - Brewster angle microscopy

KW - C60 derivatives

KW - Crown-ether

KW - Fullerene

KW - Langmuir monolayer

KW - Surf ace spectrophotometry

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EP - 144

JO - Thin Solid Films

JF - Thin Solid Films

SN - 0040-6090

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