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Issue 34, 2019
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Tolerance in superstructures formed from high-quality colloidal ZnO nanoparticles with hexagonal cross-section

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Abstract

Particle-based materials are expected to exhibit cooperative effects, if nanoparticles form periodic arrays. For particle shapes deviating from a spherical morphology, it is difficult to obtain monodisperse samples. Therefore, we investigated the influence of polydispersity of anisotropic nanoparticles in 2D colloidal crystallization. We work with hexagonal ZnO nanoplates with sizes below 50 nm, and tuned the directionality of the inter-particle interaction by choice of capping agents. Surprisingly, there was no glass to crystal transition for a critical polydispersity value, but a continuous transition.

Graphical abstract: Tolerance in superstructures formed from high-quality colloidal ZnO nanoparticles with hexagonal cross-section

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Supplementary files

Article information


Submitted
25 May 2019
Accepted
27 Jul 2019
First published
29 Jul 2019

CrystEngComm, 2019,21, 5137-5144
Article type
Paper

Tolerance in superstructures formed from high-quality colloidal ZnO nanoparticles with hexagonal cross-section

S. Theiss, M. Voggel, M. Schlötter, S. Sutter, M. T. Stöckl and S. Polarz, CrystEngComm, 2019, 21, 5137
DOI: 10.1039/C9CE00811J

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