Octopus-inspired deception and signaling systems from an exceptionally-stable acene variant

Preeta Pratakshya, Chengyi Xu, David J. Dibble, Aliya Mukazhanova, Panyiming Liu, Anthony M. Burke, Reina Kurakake, Robert Lopez, Philip R. Dennison, Sahar Sharifzadeh and Alon A. Gorodetsky ()
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Preeta Pratakshya: University of California, Irvine
Chengyi Xu: University of California, Irvine
David J. Dibble: University of California, Irvine
Aliya Mukazhanova: Boston University
Panyiming Liu: University of California, Irvine
Anthony M. Burke: University of California, Irvine
Reina Kurakake: University of California, Irvine
Robert Lopez: University of California, Irvine
Philip R. Dennison: University of California, Irvine
Sahar Sharifzadeh: Boston University
Alon A. Gorodetsky: University of California, Irvine

Nature Communications, 2023, vol. 14, issue 1, 1-11

Abstract: Abstract Multifunctional platforms that can dynamically modulate their color and appearance have attracted attention for applications as varied as displays, signaling, camouflage, anti-counterfeiting, sensing, biomedical imaging, energy conservation, and robotics. Within this context, the development of camouflage systems with tunable spectroscopic and fluorescent properties that span the ultraviolet, visible, and near-infrared spectral regions has remained exceedingly challenging because of frequently competing materials and device design requirements. Herein, we draw inspiration from the unique blue rings of the Hapalochlaena lunulata octopus for the development of deception and signaling systems that resolve these critical challenges. As the active material, our actuator-type systems incorporate a readily-prepared and easily-processable nonacene-like molecule with an ambient-atmosphere stability that exceeds the state-of-the-art for comparable acenes by orders of magnitude. Devices from this active material feature a powerful and unique combination of advantages, including straightforward benchtop fabrication, competitive baseline performance metrics, robustness during cycling with the capacity for autonomous self-repair, and multiple dynamic multispectral operating modes. When considered together, the described exciting discoveries point to new scientific and technological opportunities in the areas of functional organic materials, reconfigurable soft actuators, and adaptive photonic systems.

Date: 2023
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DOI: 10.1038/s41467-023-40163-7

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