Emulation of evolutionary selection as the growth mechanism of supported layered double hydroxide frameworks

M. S. Pedraza-Chan, U. Salazar-Kuri, R. Sánchez-Zeferino, I. I. Ruiz-López, A. Escobedo-Morales*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The evolutionary selection is proposed as the actual growth mechanism of supported layered double hydroxide (LDH) frameworks constituted by interconnected sheet-like structures with apparent preferential orientation. This growth mechanism was emulated through an algorithm that accounts for different synthesis conditions. The generated structures were compared with supported ZnAl-LDH frameworks synthesized by hydrothermal route using different precursor concentrations and reaction temperatures. The simulated structures were found to mimic the topology of the synthesized LDH frameworks. Moreover, the proposed model anticipates the effect of the synthesis parameters in the resulting morphological features. Finally, the distinctive characteristics of those structures generated by the evolutionary selection mechanism are proposed.

Original languageEnglish
Article number106159
JournalApplied Clay Science
Volume210
DOIs
StatePublished - 1 Sep 2021

Bibliographical note

Funding Information:
M.-S.P.Ch. acknowledges the financial support given by the Mexican Council of Science and Technology (CONACYT-MX) through the doctoral scholarship No. 711605. The authors thank Dr. G. F. Pérez-Sánchez for his assistance in SEM analysis.

Publisher Copyright:
© 2021 Elsevier B.V.

Keywords

  • Evolutionary selection
  • Growth mechanism
  • Hydrotalcite-like compound
  • Layered double hydroxide

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