Visible emission of organic-inorganic hybrid EL device using niobium oxide nanoparticles

Mitsuru Inada; Shunpei Toyoshima; Shohei Murotani; Akito Mizobata; Moegi Nomura; Tasuku Matoba; Masanori Takigawa; Mahito Yamamoto; Yasushi Obora

doi:10.1117/12.3028169

30 September 2024 Visible emission of organic-inorganic hybrid EL device using niobium oxide nanoparticles

Mitsuru Inada, Shunpei Toyoshima, Shohei Murotani, Akito Mizobata, Moegi Nomura, Tasuku Matoba, Masanori Takigawa, Mahito Yamamoto, Yasushi Obora

Author Affiliations +

Proceedings Volume 13122, Organic and Hybrid Light Emitting Materials and Devices XXVIII; 131220R (2024) https://doi.org/10.1117/12.3028169
Event: Organic Photonics + Electronics, 2024, San Diego, California, United States

Abstract

Recently, we have successfully synthesized niobium oxide nanoparticles (Nb NPs) with a particle size of less than 4 nm by DMF reduction. Nb NPs dispersed in water or alcohol showed blue-pale photoluminescence. We then fabricated organic-inorganic hybrid EL devices using Nb NPs as the emitting layer. These EL devices showed emission in a wide visible region including the red region. We found that Nb NPs have emission centers in the wide visible region and that their emission color may be controlled by the density of nanoparticles due to the Förster-type resonance energy transfer.

Conference Presentation

Citation Download Citation

Mitsuru Inada, Shunpei Toyoshima, Shohei Murotani, Akito Mizobata, Moegi Nomura, Tasuku Matoba, Masanori Takigawa, Mahito Yamamoto, and Yasushi Obora "Visible emission of organic-inorganic hybrid EL device using niobium oxide nanoparticles", Proc. SPIE 13122, Organic and Hybrid Light Emitting Materials and Devices XXVIII, 131220R (30 September 2024); https://doi.org/10.1117/12.3028169

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