Atomic-Resolution Imaging of the Ice Nucleating Silver Iodide Surface: Does this Polar Surface Reconstruct at the Atomic Scale?

Sabath F, Aleff C, Latus A, Bechstein R, Kühnle A (2022)
Advanced Materials Interfaces 9: 2201065.

Zeitschriftenaufsatz | E-Veröff. vor dem Druck | Englisch
 
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Abstract / Bemerkung
Silver iodide (AgI) particles are known for their outstanding ice nucleation ability. The effective ice nucleation has been explained by the structural similarity of the AgI surfaces and the basal plane of ice I-h. However, the relevant AgI surfaces are polar, i.e., thermodynamically instable. This fact implies the existence of a stabilization mechanism. The nature of this stabilization mechanism remains, however, unknown. Additionally, calculations suggest that exclusively the silver-terminated and not the iodine-terminated surfaces nucleate ice. So far, no atomically resolved images at any AgI-water interface exist. This is most likely due to the delicate synthesis and the photolytic degradation of AgI. Here, atomic-resolution images of the AgI-water interface of freshly cleaved crystals are provided. Most importantly, the atomic structure of these surfaces closely resembles the bulk-truncated geometry, regardless of the termination. In an attempt to reduce ion adsorption, crystals cleaved in ethanol are investigated. Also in this case, a bulk-truncated geometry is obtained. The measurements thus reveal no indication for a reconstruction of the AgI cleavage planes neither in water nor in ethanol. This study provides atomic-scale insights into the interfacial structure, which is essential for understanding the excellent ice nucleation ability of AgI.
Stichworte
atomic force microscopy; atomic resolution; bulk-truncated structures; silver iodide
Erscheinungsjahr
2022
Zeitschriftentitel
Advanced Materials Interfaces
Band
9
Art.-Nr.
2201065
eISSN
2196-7350
Finanzierungs-Informationen
Open-Access-Publikationskosten wurden durch die Universität Bielefeld im Rahmen des DEAL-Vertrags gefördert.
Page URI
https://pub.uni-bielefeld.de/record/2966350

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Sabath F, Aleff C, Latus A, Bechstein R, Kühnle A. Atomic-Resolution Imaging of the Ice Nucleating Silver Iodide Surface: Does this Polar Surface Reconstruct at the Atomic Scale? Advanced Materials Interfaces . 2022;9: 2201065.
Sabath, F., Aleff, C., Latus, A., Bechstein, R., & Kühnle, A. (2022). Atomic-Resolution Imaging of the Ice Nucleating Silver Iodide Surface: Does this Polar Surface Reconstruct at the Atomic Scale? Advanced Materials Interfaces , 9, 2201065. https://doi.org/10.1002/admi.202201065
Sabath, Franziska, Aleff, Christian, Latus, Annamaria, Bechstein, Ralf, and Kühnle, Angelika. 2022. “Atomic-Resolution Imaging of the Ice Nucleating Silver Iodide Surface: Does this Polar Surface Reconstruct at the Atomic Scale?”. Advanced Materials Interfaces 9: 2201065.
Sabath, F., Aleff, C., Latus, A., Bechstein, R., and Kühnle, A. (2022). Atomic-Resolution Imaging of the Ice Nucleating Silver Iodide Surface: Does this Polar Surface Reconstruct at the Atomic Scale? Advanced Materials Interfaces 9:2201065.
Sabath, F., et al., 2022. Atomic-Resolution Imaging of the Ice Nucleating Silver Iodide Surface: Does this Polar Surface Reconstruct at the Atomic Scale? Advanced Materials Interfaces , 9: 2201065.
F. Sabath, et al., “Atomic-Resolution Imaging of the Ice Nucleating Silver Iodide Surface: Does this Polar Surface Reconstruct at the Atomic Scale?”, Advanced Materials Interfaces , vol. 9, 2022, : 2201065.
Sabath, F., Aleff, C., Latus, A., Bechstein, R., Kühnle, A.: Atomic-Resolution Imaging of the Ice Nucleating Silver Iodide Surface: Does this Polar Surface Reconstruct at the Atomic Scale? Advanced Materials Interfaces . 9, : 2201065 (2022).
Sabath, Franziska, Aleff, Christian, Latus, Annamaria, Bechstein, Ralf, and Kühnle, Angelika. “Atomic-Resolution Imaging of the Ice Nucleating Silver Iodide Surface: Does this Polar Surface Reconstruct at the Atomic Scale?”. Advanced Materials Interfaces 9 (2022): 2201065.
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2023-03-08T14:44:42Z
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