Nanoscale Control of Homoepitaxial Growth on a Two-Dimensional Zeolite

Meera Shete, Manjesh Kumar, Donghun Kim, Neel Rangnekar, Dandan Xu, Berna Topuz, Kumar Varoon Agrawal, Evguenia Karapetrova, Benjamin Stottrup, Shaeel Al-Thabaiti, Sulaiman Basahel, Katabathini Narasimharao, Jeffrey D. Rimer, Michael Tsapatsis

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

Nanoscale crystal growth control is crucial for tailoring two-dimensional (2D) zeolites (crystallites with thickness less than two unit cells) and thicker zeolite nanosheets for applications in separation membranes and as hierarchical catalysts. However, methods to control zeolite crystal growth with nanometer precision are still in their infancy. Herein, we report solution-based growth conditions leading to anisotropic epitaxial growth of 2D zeolites with rates as low as few nanometers per day. Contributions from misoriented surface nucleation and rotational intergrowths are eliminated. Growth monitoring at the single-unit-cell level reveals novel nanoscale crystal-growth phenomena associated with the lateral size and surface curvature of 2D zeolites.

Original languageEnglish (US)
Pages (from-to)535-539
Number of pages5
JournalAngewandte Chemie - International Edition
Volume56
Issue number2
DOIs
StatePublished - Jan 9 2017

Bibliographical note

Publisher Copyright:
© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Keywords

  • crystal engineering
  • crystal growth
  • nanotechnology
  • two-dimensional materials
  • zeolites

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