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Materials 2010, 3(6), 3729-3739; doi:10.3390/ma3063729
Article

Electrochemical Light-Emitting Gel

Received: 11 May 2010 / Revised: 10 June 2010 / Accepted: 18 June 2010 / Published: 19 June 2010
Download PDF [981 KB, 23 June 2010; original version 19 June 2010]

Abstract

Light-emitting gel, a gel state electroluminescence material, is reported. It is composed of a ruthenium complex as the emitter, an ionic liquid as the electrolyte, and oxide nanoparticles as the gelation filler. Emitted light was produced via electrogenerated chemiluminescence. The light-emitting gel operated at low voltage when an alternating current was passed through it, regardless of its structure, which is quite thick. The luminescence property of the gel is strongly affected by nanoparticle materials. TiO2 nanoparticles were a better gelation filler than silica or ZnO was, with respect to luminescence stability, thus indicating a catalytic effect. It is demonstrated that the light-emitting gel device, with quite a simple fabrication process, flashes with the application of voltage.
Keywords: gel; luminescence; electrochemical; ionic liquid; nanoparticle gel; luminescence; electrochemical; ionic liquid; nanoparticle
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Itoh, N. Electrochemical Light-Emitting Gel. Materials 2010, 3, 3729-3739.

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