Photochromic and luminescent compounds as artificial neuron models

Pier Luigi Gentili, Maria Sole Giubila, Raimondo Germani, Mark Heron

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)


This work is an important contribution to the development of neuromorphic engineering based on solutions of nonlinear chemical systems. It reports the results of experiments and simulations regarding the optical communication between the Belousov-Zhabotinsky reaction and photochromic and luminescent materials. It demonstrates that thermally reversible photochromic and luminescent compounds are dynamic models of phasic photo-excitable neurons. Moreover, it shows that photo-reversible photochromic compounds can be used for the implementation of optical synapsis and memory effects. Finally, it reports the first example of transmission of a chaotic signal between a Hydrodynamic Photochemical Oscillator based on a photochromic naphthopyran and a luminescent acridinium salt.

Original languageEnglish
Pages (from-to)149-159
Number of pages11
JournalDyes and Pigments
Early online date5 Apr 2018
Publication statusPublished - 1 Sep 2018


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