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Title: Nanoscale Control of Homoepitaxial Growth on a Two-Dimensional Zeolite

Journal Article · · Angewandte Chemie (International Edition)
ORCiD logo [1];  [2];  [1];  [1];  [1];  [3]; ORCiD logo [1];  [4];  [5];  [6];  [6];  [6]; ORCiD logo [2]; ORCiD logo [1]
  1. Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE Minneapolis MN 55455 USA
  2. Department of Chemical and Biomolecular Engineering, University of Houston, 4726 Calhoun Road Houston TX 77204-4004 USA
  3. Department of Chemical Engineering, Ankara University, Ankara 06100 Turkey
  4. Advanced Photon Source, Argonne National Laboratory, 9700 S. Cass Avenue Lemont IL 60439 USA
  5. Department of Physics, Augsburg College, 2211 Riverside Avenue Minneapolis MN 55454 USA
  6. Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589 Saudi Arabia

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.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
DOE Contract Number:
AC02-06CH11357
OSTI ID:
1395867
Journal Information:
Angewandte Chemie (International Edition), Vol. 56, Issue 2; ISSN 1433-7851
Publisher:
Wiley
Country of Publication:
United States
Language:
English

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