Abstract：
:Chemical clocks are often used as exciting classroom experiments, where an induction time is followed by rapidly changing colours that expose oscillating concentration patterns. This type of reaction belongs to a class of nonlinear chemical kinetics also linked to chaos, wave propagation and Turing patterns. Despite its vastness in occurrence and applicability, the clock reaction is only well understood for liquid-state processes. Here we report a chemical clock reaction, in which a solidifying entity, metal-organic framework UiO-66, displays oscillations in crystal dimension and number, as shown by X-ray scattering. In rationalizing this result, we introduce a computational approach, the metal-organic molecular orbital methodology, to pinpoint interaction between the tectonic building blocks that construct the metal-organic framework material. In this way, we show that hydrochloric acid plays the role of autocatalyst, bridging separate processes of condensation and crystallization.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Goesten MG,de Lange MF,Olivos-Suarez AI,Bavykina AV,Serra-Crespo P,Krywka C,Bickelhaupt FM,Kapteijn F,Gascon Jdoi
10.1038/ncomms11832subject
Has Abstractpub_date
2016-06-10 00:00:00pages
11832issn
2041-1723pii
ncomms11832journal_volume
7pub_type
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