Preparation and luminescence properties of organic phosphorescent nanoparticles

Yousuke Miyashita; Shinichi Horino; Hitoshi Kasai; Hidetoshi Oikawa; Hachiro Nakanishi

doi:10.1143/JJAP.51.025002

Preparation and luminescence properties of organic phosphorescent nanoparticles

Yousuke Miyashita, Shinichi Horino, Hitoshi Kasai, Hidetoshi Oikawa, Hachiro Nakanishi

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Organic phosphorescent nanoparticles, which have a host-guest-type structure and show photosensitized phosphorescence, were successfully prepared by a reprecipitation method. Concentration quenching, which is disadvantage for organic nanophosphors, was efficiently suppressed with a host-guest-type structure widely used in organic light-emitting diodes. The study of luminescence properties revealed that the host material acts as a photosensitizer leading to the phosphorescence of the guest materials. Depending on the guest material, organic phosphorescent nanoparticles showed emission spectra of blue, green, and red. By adjusting the mixing ratio of phosphorescent nanoparticle dispersion liquids, the emission spectrum was tunable and white luminescence was observed.

Original language	English
Article number	025002
Journal	Japanese journal of applied physics
Volume	51
Issue number	2 PART 1
DOIs	https://doi.org/10.1143/JJAP.51.025002
Publication status	Published - 2012 Feb

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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abstract = "Organic phosphorescent nanoparticles, which have a host-guest-type structure and show photosensitized phosphorescence, were successfully prepared by a reprecipitation method. Concentration quenching, which is disadvantage for organic nanophosphors, was efficiently suppressed with a host-guest-type structure widely used in organic light-emitting diodes. The study of luminescence properties revealed that the host material acts as a photosensitizer leading to the phosphorescence of the guest materials. Depending on the guest material, organic phosphorescent nanoparticles showed emission spectra of blue, green, and red. By adjusting the mixing ratio of phosphorescent nanoparticle dispersion liquids, the emission spectrum was tunable and white luminescence was observed.",

author = "Yousuke Miyashita and Shinichi Horino and Hitoshi Kasai and Hidetoshi Oikawa and Hachiro Nakanishi",

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T1 - Preparation and luminescence properties of organic phosphorescent nanoparticles

AU - Miyashita, Yousuke

AU - Horino, Shinichi

AU - Kasai, Hitoshi

AU - Oikawa, Hidetoshi

AU - Nakanishi, Hachiro

PY - 2012/2

Y1 - 2012/2

N2 - Organic phosphorescent nanoparticles, which have a host-guest-type structure and show photosensitized phosphorescence, were successfully prepared by a reprecipitation method. Concentration quenching, which is disadvantage for organic nanophosphors, was efficiently suppressed with a host-guest-type structure widely used in organic light-emitting diodes. The study of luminescence properties revealed that the host material acts as a photosensitizer leading to the phosphorescence of the guest materials. Depending on the guest material, organic phosphorescent nanoparticles showed emission spectra of blue, green, and red. By adjusting the mixing ratio of phosphorescent nanoparticle dispersion liquids, the emission spectrum was tunable and white luminescence was observed.

AB - Organic phosphorescent nanoparticles, which have a host-guest-type structure and show photosensitized phosphorescence, were successfully prepared by a reprecipitation method. Concentration quenching, which is disadvantage for organic nanophosphors, was efficiently suppressed with a host-guest-type structure widely used in organic light-emitting diodes. The study of luminescence properties revealed that the host material acts as a photosensitizer leading to the phosphorescence of the guest materials. Depending on the guest material, organic phosphorescent nanoparticles showed emission spectra of blue, green, and red. By adjusting the mixing ratio of phosphorescent nanoparticle dispersion liquids, the emission spectrum was tunable and white luminescence was observed.

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Preparation and luminescence properties of organic phosphorescent nanoparticles

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