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Belousov-Zhabotinsky reaction in liquid marbles

Fullarton, C; Draper, TC; Phillips, N; de Lacy Costello, BPJ; Adamatzky, A

Authors

Claire Fullarton Claire.Fullarton@uwe.ac.uk
Research Associate in Chemistry anf Material Sciences (Liquid Marbles)

Thomas Draper Tom.Draper@uwe.ac.uk
Research Associate in Chemistry and Unconventional Computing

N Phillips neil.phillips@uwe.ac.uk



Abstract

In Belousov–Zhabotinsky (BZ) type reactions, chemical oxidation waves can be exploited to produce reaction-diffusion processors. This paper reports on a new method of encapsulating BZ solution in a powder coating of either polyethylene (PE) or polytetrafluoroethylene (PTFE), to produce BZ liquid marbles (LMs). BZ LMs have solid-liquid interfaces compared to previously reported encapsulation systems, BZ emulsions and BZ vesicles. Oscillation studies on individual LMs established PE-coated LMs were easier to prepare and more robust than PTFE-coated LMs. Therefore, this coating was used to study BZ LMs positioned in ordered and disordered arrays. Sporadic transfer of excitation waves was observed between LMs in close proximity to each other. These results lay the foundations for future studies on information transmission and processing arrays of BZ LMs. Future work aims to elucidate the effect of other physical stimuli on the dynamics of chemical excitation waves within
these systems.

Journal Article Type Article
Publication Date Jan 16, 2019
Journal Journal of Physics: Materials
Print ISSN 2515-7639
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 2
Issue 1
APA6 Citation Fullarton, C., Draper, T., Phillips, N., de Lacy Costello, B., & Adamatzky, A. (2019). Belousov-Zhabotinsky reaction in liquid marbles. Journal of Physics: Materials, 2(1), https://doi.org/10.1088/2515-7639/aaed4c
DOI https://doi.org/10.1088/2515-7639/aaed4c
Keywords liquid marbles, Belousov-Zhabotinsky (BZ) reaction, chemical excitation wave propagation
Publisher URL http://dx.doi.org/10.1088/2515-7639/aaed4c
Related Public URLs http://iopscience.iop.org/article/10.1088/2515-7639/aaed4c

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