Fabrication of microfluidic electrogenerated chemiluminescence cells incorporated with titanium dioxide nanoparticles to improve luminescent performances

Koji Okada, Ryoichi Ishimatsu, Jun Mizuno, Takashi Kasahara

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We demonstrated microfluidic electrogenerated chemiluminescence cells incorporated with titanium dioxide nanoparticles (TiO2 NPs). SU-8-based microchannels were fabricated on a fluorine doped tin oxide cathodes-patterned glass substrate. TiO2 NPs were coated on the cathodes as an electron injection layer. The enclosed microchannels were achieved by a direct bonding of the SU-8 surface to an indium tin oxide anode-patterned polyethylene terephthalate film via vacuum ultraviolet treatment. A tris(2,2′-bipyridine)ruthenium(II) solution was used as an emitter. The proposed device exhibited a maximum luminance of 93.5 cd m-2 at 3.3 V, which is 1.45 times higher than that of device without TiO2 NPs.

    Original languageEnglish
    Article number107001
    JournalApplied Physics Express
    Volume13
    Issue number10
    DOIs
    Publication statusPublished - Oct 1 2020

    All Science Journal Classification (ASJC) codes

    • Engineering(all)
    • Physics and Astronomy(all)

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