Stable Langmuir and Langmuir−Blodgett Films of Fullerene−Glycodendron Conjugates

The amphiphilic C60-dendrimer conjugates 1 and 2 with one and two glycodendron headgroups, respectively, form stable, ordered monomolecular Langmuir layers at the air−water interface. The bulky glycodendron headgroups in 1 and 2 are very effective in suppressing fullerene aggregation, resulting in r...

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Bibliographic Details
Published in:Langmuir 1998-04, Vol.14 (8), p.1955-1959
Main Authors: Cardullo, Francesca, Diederich, François, Echegoyen, Luis, Habicher, Tilo, Jayaraman, Narayanaswamy, Leblanc, Roger M, Stoddart, J. Fraser, Wang, Shaopeng
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
General and physical chemistry
Langmuir blodgett films
Surface physical chemistry
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Summary:The amphiphilic C60-dendrimer conjugates 1 and 2 with one and two glycodendron headgroups, respectively, form stable, ordered monomolecular Langmuir layers at the air−water interface. The bulky glycodendron headgroups in 1 and 2 are very effective in suppressing fullerene aggregation, resulting in reversible compression and expansion behavior. The absence of fullerene aggregation was also revealed by the UV−vis spectra of the Langmuir monolayers and by Brewster angle microscopy. The monolayers of 1 and 2 were transferred successfully as X-type Langmuir−Blodgett films onto quartz slides; such films could have potential applications in optical technology and as biosensors for glycoproteins.
ISSN:0743-7463
1520-5827
DOI:10.1021/la971221u