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Updated: Apr 18, 2026

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives
Published on: February 7, 2017
Hedgehog-shaped {Mo368} cluster: unique electronic/structural properties, surfactant encapsulation and related
Somenath Garai1, Alice Merca, Susovan Bhowmik
1Fakultät für Chemie der Universität Bielefeld, Anorganische Chemie 1, Postfach 100131, 33501 Bielefeld, Germany. a.mueller@uni-bielefeld.de.
Abstract:
The hedgehog-shaped {Mo368} cluster shows unique electronic (extremely high extinction coefficient) and structural features, especially regarding its size, the high number of delocalized electrons which allows to measure the surface enhanced Raman scattering (SERS) spectrum and the option for coordination chemistry inside the cavity. Its relative instability in aqueous solution can be overcome by embedment in a hydrophobic shell of dimethyldioctadecylammonium cations. The resulting hybrid self-assembles into spherical vesicles in acetone-water mixtures, according to a process directed by hydrophobic-hydrophilic interactions. It also forms rather stable Langmuir monolayers while a second layer evolves under higher surface pressure, in accordance with a rather low alkyl surface density.
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