Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Toshinari Ogiwara"'
Publikováno v:
The Journal of Physical Chemistry A. 119:3415-3418
The spin sublevel dynamics of the excited triplet state in thermally activated delayed fluorescence (TADF) molecules have not been investigated for high-intensity organic light-emitting diode materials. Understanding the mechanism for intersystem cro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::835d88fdf64024232f3fc50a0661cac7
https://doi.org/10.1021/acs.jpca.5b02253
https://doi.org/10.1021/acs.jpca.5b02253
Autor:
Hirokatsu Ito, Yumiko Mizuki, Ryo Naraoka, Masakazu Funahashi, Toshinari Ogiwara, Hitoshi Kuma
Publikováno v:
Journal of the Society for Information Display. 22:76-82
The relationship between molecular shape of fluorescent blue dopants (BDs) and degree of molecular orientation was studied. BDs with larger ovality showed higher degree of orientation and higher external quantum efficiency (EQE) over 10% in a fluores
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a707b0fb7e0504c319def9e22218069
https://doi.org/10.1002/jsid.214
https://doi.org/10.1002/jsid.214
Autor:
Yuichiro Kawamura, Takushi Shiomi, Kei-ichi Yasukawa, Shota Sawano, Hiromi Nakano, Hisato Matsumoto, Toshinari Ogiwara, Keiji Okinaka, Kazumasa Nagao, Kazunari Kawamoto
Publikováno v:
Proceedings of the International Display Workshops. :844
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8eaa03909f78eb295927348e6150bef5
https://doi.org/10.36463/idw.2019.0844
https://doi.org/10.36463/idw.2019.0844
Autor:
Yumiko Mizuki, Ryo Naraoka, Toshinari Ogiwara, Hitoshi Kuma, Masakazu Funahashi, Hirokatsu Ito
Publikováno v:
SID Symposium Digest of Technical Papers. 44:515-518
The relationship between molecular shape of fluorescent blue dopants (BDs) and molecular orientation factor was studied. BDs with larger ovality showed higher orientation factor and higher EQE over 10% in a fluorescent blue device. Impedance spectros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a2398ec3a6c07e64887488abacb9680
https://doi.org/10.1002/j.2168-0159.2013.tb06258.x
https://doi.org/10.1002/j.2168-0159.2013.tb06258.x
Autor:
Yusuke Wakikawa, Toshinari Ogiwara, Kimio Akiyama, Yutaka Takahashi, Tomohiro Suzuki, Yuka Takahashi, Tadaaki Ikoma, Shozo Tero-Kubota
Publikováno v:
Synthetic Metals. 160:285-290
An amorphous molecular semiconductor, poly( N -vinylcarbazole) (PVCz), exhibits negative giant magnetoresistance (MR) under ambient conditions. The application of a weak magnetic field of 10 mT to PVCz films doped with lumichrome, in which light exci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b4c17b3cd3e0d9db34a848524a94afb
https://doi.org/10.1016/j.synthmet.2009.10.003
https://doi.org/10.1016/j.synthmet.2009.10.003
Autor:
Jun-ichi Takahashi, Hitoshi Kuma, Toshihiro Iwakuma, Toshinari Ogiwara, Yuichiro Kawamura, Chishio Hosokawa
Publikováno v:
IEICE Transactions on Electronics. :1334-1339
SUMMARY We carried out degradation analysis of a blue phosphorescent organic light emitting diode by both impedance spectroscopy and transient electroluminescence (EL) spectroscopy. The number of semicircles observed in the Cole-Cole plot of the modu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0a75da7e235a3a488fa968170be3f25
https://doi.org/10.1587/transele.e92.c.1334
https://doi.org/10.1587/transele.e92.c.1334
Autor:
Masao Kaneko, Toshinari Ogiwara, Takayoshi Norimatsu, Keiji Nagai, Sou Ogasawara, Toshiyuki Abe, Akio Tajiri
Publikováno v:
Journal of Electroanalytical Chemistry. 587:127-132
An organic bilayer composed of 3,4,9,10-perylenetetracarboxyl-bisbenzimidazole (PTCBI, n-type semiconductor) and 29H,31H-phthalocyanine (H2Pc, p-type semiconductor) works as a photoanode capable of O2 evolution in the water phase especially when the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18852ac6dfc90db8afc3e3b896dfdd6c
https://doi.org/10.1016/j.jelechem.2005.11.001
https://doi.org/10.1016/j.jelechem.2005.11.001
Publikováno v:
Chemical Physics Letters. 411:378-383
The magnetic field effects on the carrier yield have been studied to clarify the spin dynamic process during photoinduced carrier generation in a fullerene (C60)-doped poly(N-vinylcarbazole) (PVCz) film. The charge transfer (CT) complex of C60 and th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c18d2a05e9f8e8eab907a6ddedc4e8d
https://doi.org/10.1016/j.cplett.2005.06.066
https://doi.org/10.1016/j.cplett.2005.06.066
Publikováno v:
Chemistry Letters. 34:1424-1425
A significant wavelength dependence of the excitation light was observed in the magnetic field effects (MFE) on the photocarrier generation of a benzene-1,2,4,5-tetracarbonitrile-doped poly(N-vinyl...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cc46f006fbe5ac7d91033913a9ec1cd
https://doi.org/10.1246/cl.2005.1424
https://doi.org/10.1246/cl.2005.1424
Autor:
Hiroshi Yamamoto, Toshihiro Iwakuma, Yukitoshi Jinde, Tomoki Kato, Yuichiro Kawamura, Chishio Hosokawa, Toshinari Ogiwara, Kazuki Nishimura, Masaki Numata, Masahiro Kawamura
Publikováno v:
SID Symposium Digest of Technical Papers. 40:310
We successfully found new phosphorescent host materials. Red host material PRH-01 with a red phosphorescent emitter achieved very high performance of 4.9 V, current efficiency of 20.2 cd/A and half lifetime of 150,000 hrs at an initial luminance of 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f686f9300369e2469017853d25af9be0
https://doi.org/10.1889/1.3256772
https://doi.org/10.1889/1.3256772