Výsledky vyhledávání - "Yasuhiko Shirota"

Organic materials for optoelectronic applications: Overview

Autor: Yasuhiko Shirota, Hiroshi Kageyama

Electronic, optoelectronic, and photonic devices using inorganic semiconductors, such as silicon transistor-based computers, light-emitting diodes (LEDs), semiconductor laser-based devices, and optical communication devices such as waveguides, have c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::939382371014c444e3f37e84ec136303
https://doi.org/10.1016/b978-0-08-102284-9.00001-2

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Performance of blue fluorescence and red phosphorescent organic light‐emitting diodes using a molecular material with high hole drift mobility

Autor: Takeshi Tamura, Yutaka Ohmori, Tomoyuki Oshiro, Hiroshi Kageyama, Yasuhiko Shirota, Hirotake Kajii

Publikováno v: physica status solidi c. 9:2549-2552

This study focuses on the carrier balance factor and transient characteristics of organic light-emitting diodes (OLEDs) utilizing tris[4-(5-phenylthiophen-2-yl)phenyl] amine (TPTPA) as a blue emissive material or a host material of a red phosphoresce

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4b3ef8593f19d6bfafe4e32c95868ef
https://doi.org/10.1002/pssc.201200438

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Performance of Organic Light-Emitting Diodes Using an Emissive Material with High Hole Drift Mobility

Autor: Hiroshi Kageyama, Yasuhiko Shirota, Takeshi Tamura, Yutaka Ohmori, Hirotake Kajii

Publikováno v: Molecular Crystals and Liquid Crystals. 538:98-102

This study focuses on the performance of organic light-emitting diodes (OLEDs) using an emissive material with high hole drift mobility, tris[4-(5-phenylthiophen- 2-yl)]amine (TPTPA), which exhibits the highest level of hole drift mobility (1.0 × 10

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7bd2a805c1bce8edf364e8c35a08ad1d
https://doi.org/10.1080/15421406.2011.563661

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Organic Photovoltaic Devices Using an Amorphous Molecular Material With High Hole Drift Mobility, Tris[4-(2-thienyl)phenyl]amine

Autor: Yasuhiko Shirota, Masatake Tanaka, Yutaka Ohmori, Hitoshi Ohishi, Hiroshi Kageyama

Publikováno v: IEEE Journal of Selected Topics in Quantum Electronics. 16:1528-1536

A planar p-n heterojunction organic photovoltaic (OPV) device using an amorphous molecular material with a high hole drift mobility of 1.1 × 10-2 cm2/V·s at an electric field of 1.0 × 105 V/cm at 293 K, tris[4-(2-thienyl)phenyl]amine (TTPA), as an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::283b4c335e0b3f530b18933112636b60
https://doi.org/10.1109/jstqe.2009.2039699

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Synthesis and photoinduced surface relief grating formation of novel photo-responsive amorphous molecular materials, 4-[bis(9,9-dimethylfluoren-2-yl)amino]-4′-cyanoazobenzene and 4-[bis(9,9-dimethylfluoren-2-yl)-amino]-4′-nitroazobenzene

Autor: Takahiro Tanino, Toru Takahashi, Yasuhiko Shirota, Hideyuki Nakano

Publikováno v: Dyes and Pigments. 84:102-107

Novel azobenzene-based photo-responsive amorphous molecular materials, 4-[bis(9,9-dimethylfluoren-2-yl)amino]-4′-cyanoazobenzene and 4-[bis(9,9-dimethylfluoren-2-yl)amino]-4′-nitroazobenzene, have been synthesized and the formation of surface rel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::436f4e544a406af2f61ae8b95cc25d60
https://doi.org/10.1016/j.dyepig.2009.07.002

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High-Performance Organic Photovoltaic Devices Using a New Amorphous Molecular Material with High Hole Drift Mobility, Tris[4-(5-phenylthiophen-2-yl)phenyl]amine

Autor: Yutaka Ohmori, Yasuhiko Shirota, Hitoshi Ohishi, Masatake Tanaka, Hiroshi Kageyama

Publikováno v: Advanced Functional Materials. 19:3948-3955

A new amorphous molecular material, tris[4-(5-phenylthiophen-2- yl)phenyl]amine (TPTPA), is synthesized and characterized. TPTPA forms a stable amorphous glass with a glass-transition temperature of 83 °C when the melt sample is cooled. It also form

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a9bf1811bdf61c1da7605fcd39f5ba75
https://doi.org/10.1002/adfm.200901259

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Photoinduced surface relief grating formation using new polymers containing the same azobenzene chromophore as a photochoromic amorphous molecular material

Autor: Hiroyuki Ando, Yasuhiko Shirota, Hideyuki Nakano, Takahiro Tanino

Publikováno v: Materials Chemistry and Physics. 113:376-381

In order to gain an insight into the relationship between the structure of polymer main chain and photoinduced surface relief grating (SRG) formation, new vinyl, acrylate, and methacrylate polymers containing the same azobenzene chromophore as a phot

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae3f2bafcdf57d08790b72ca6b696857
https://doi.org/10.1016/j.matchemphys.2008.07.092

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Relationship between molecular structure and photoinduced surface relief grating formation using azobenzene-based photochromic amorphous molecular materials

Autor: Yasuhiko Shirota, Hiroyuki Ando, Takahiro Tanino, Toru Takahashi, Hideyuki Nakano

Publikováno v: J. Mater. Chem.. 18:242-246

The relationship between molecular structure and photoinduced surface relief grating (SRG) formation has been investigated by using azobenzene-based photochromic amorphous molecular materials. It was shown that modulation depth of SRG formed by irrad

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7279b9b34c07bc5e41b4a3d292f01ccc
https://doi.org/10.1039/b713400b

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