Morphology and structure of ZIF-8 during crystallisation measured by dynamic angle-resolved second harmonic scattering

Journal article (2018)

Authors

Stijn Van Cleuvenbergen Katholieke Universiteit Leuven
Zachary J. Smith University of Science and Technology of China
Olivier Deschaume Katholieke Universiteit Leuven
Carmen Bartic Katholieke Universiteit Leuven
Sebastian Wachsmann-Hogiu University of California, McGill University
T. Verbiest Katholieke Universiteit Leuven
Copyright: © 2018 Stijn Van Cleuvenbergen, Zachary J. Smith, Olivier Deschaume, Carmen Bartic, Sebastian Wachsmann-Hogiu, Thierry Verbiest, M.A. van der Veen
DOI: https://doi.org/10.1038/s41467-018-05713-4
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Published Date

2018

Language

English

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Abstract

Recent developments in nonlinear optical light scattering techniques have opened a window into morphological and structural characteristics for a variety of supramolecular systems. However, for the study of dynamic processes, the current way of measuring is often too slow. Here we present an alternative measurement scheme suitable for following dynamic processes. Fast acquisition times are achieved through Fourier imaging, allowing simultaneous detection at multiple scattering angles for different polarization combinations. This allows us to follow the crystal growth of the metal organic framework ZIF-8 in solution. The angle dependence of the signal provides insight into the growth mechanism by probing the evolution of size, shape and concentration, while polarization analysis yields structural information in terms of point group symmetry. Our findings highlight the potential of dynamic angle-resolved harmonic light scattering to probe crystal growth processes, assembly–disassembly of biological systems, adsorption, transport through membranes and myriad other applications.

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