Controlled perturbation of the thermodynamic equilibrium by microfluidic separation of porphyrin-based aggregates in a multi-component self-assembling system

F.A. Helmich, E.W. Meijer

Research output: Contribution to journalArticleAcademicpeer-review

9 Citations (Scopus)

Abstract

In a microfluidic H-cell, a multi-component self-assembled system is brought out-of-equilibrium by changing the bimodal composition of porphyrin stacks and pyridine-capped dimers. Driven by their different diffusivities, diffusion-controlled separation in methylcyclohexane reveals different compositions when detected in-line and off-line, which demonstrates the kinetic behaviour of this metastable system. The microfluidic technique also proves to be highly equipped to determine diffusion constants of the different assemblies.
Original languageEnglish
Pages (from-to)1796-1798
Number of pages3
JournalChemical Communications
Volume49
Issue number18
DOIs
Publication statusPublished - 2013

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