A simple way of transforming a colloidal dispersion of nanoparticles into a mesoporous solid with noticeable thermal stability is described. The strategy consists into the partial replacement of the shell of monotopic capping ligands, with proper functionalization to impart good dispersability, by rigid polytopic ligands that favor a controlled aggregation.

Controlled Self‐Assembly of Mesoporous CuO Networks Guided by Organic Interlinking
José Antonio Ayllón, Julio Fraile, Concepción Domingo
Particle and Particle Systems Characterization 36(3):1800453, 2019
DOI: 10.1002/ppsc.201800453

Figure: Scheme showing the process to transform a nanoparticle dispersion into a mesoporous material using a polytopic linker.

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