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Supplementary information files for "A simple and sequential strategy for the introduction of complexity and hierarchy in hydrogen-bonded organic framework (HOF) crystals for environmental applications"

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posted on 2025-01-31, 09:06 authored by Chris Halliwell, Kenny JolleyKenny Jolley, Keith YendallKeith Yendall, Mark ElsegoodMark Elsegood, Gary N Parkinson, Antonio Fernandez-MatoAntonio Fernandez-Mato

Supplementary files for article "A simple and sequential strategy for the introduction of complexity and hierarchy in hydrogen-bonded organic framework (HOF) crystals for environmental applications"

Hydrogen-bonded organic frameworks (HOFs) are a new class of crystalline porous organic molecular materials (POMMs) with great potential for a diverse range of applications. HOFs face common challenges to POMMs, and in general to purely organic crystals, that is, the difficulty of integrating complexity in crystals. Herein, we propose a simple and sequential strategy for the formation of HOFs with hierarchical superstructures. The strategy is based on controlling the assembly conditions, avoiding the use of any surface functionalization or template, which allows to obtain hierarchical crystalline porous superstructures in an easy manner. As proof of concept, we obtained the first example of core–shell (HOF-on-HOF) crystals and HOFs with hierarchical superstructures having superhydrophobicity and trapping abilities for the capture of persistent water contaminants such as oils and microplastics. We expect that this strategy could serve as inspiration for the construction of more intricate multiscale structures that could greatly expand the library of HOF materials.

©The Author(s) CC BY 4.0

Funding

Royal Society. Grant Number: RGS\R1\221390

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  • Science
  • Aeronautical, Automotive, Chemical and Materials Engineering

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  • Chemistry
  • Materials

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