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Issue 11, 2016
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Self-powered fluorescence display devices based on a fast self-charging/recharging battery (Mg/Prussian blue)

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Abstract

Stimuli-responsive (such as voltage and/or light) fluorescence display systems have attracted particular attention in their promising fields of application. However, there are few examples of self-powered fluorescence display devices. Here we designed and fabricated a self-powered fluorescence display device based on a fast-charging/recharging battery. The specially designed battery was composed of a Prussian blue (PB) cathode and a magnesium metal anode with a high theoretical redox potential difference (∼2.8 V). Moreover, smartly adding a trace amount of NaClO in the electrolyte could realize oxidizing PW to PB ∼480 times faster than when oxidizing without NaClO, leading to the fast self-charging and high power density (maximum power density of 13.34 mW cm−2, about two to three orders of magnitude larger than previous bio-fuel cells) of the Mg/PB battery. Most importantly, PB was used as not only the cathodic catalyst but also as an electrochromic material, making it possible to construct a self-powered and rechargeable electrochromic fluorescence display with only two electrodes. Besides, fluorescent [Ru(bpy)3]2+-doped silica nanoparticles (Ru@SiO2), were selected as the fluorescence resonance energy transfer (FRET) donor to match PB (FRET acceptor). To the best of our knowledge, we demonstrated a self-powered and rechargeable electrochromic fluorescence display with only two electrodes for the first time.

Graphical abstract: Self-powered fluorescence display devices based on a fast self-charging/recharging battery (Mg/Prussian blue)

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Publication details

The article was received on 26 May 2016, accepted on 05 Jul 2016 and first published on 05 Jul 2016


Article type: Edge Article
DOI: 10.1039/C6SC02347A
Chem. Sci., 2016,7, 6721-6727
  • Open access: Creative Commons BY-NC license
    All publication charges for this article have been paid for by the Royal Society of Chemistry

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    Self-powered fluorescence display devices based on a fast self-charging/recharging battery (Mg/Prussian blue)

    H. Zhang, Y. Yu, L. Zhang, Y. Zhai and S. Dong, Chem. Sci., 2016, 7, 6721
    DOI: 10.1039/C6SC02347A

    This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material and it is not used for commercial purposes.

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