Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Kosuke Sawabe"'
Autor:
Taku Hasobe, Satria Zulkarnaen Bisri, Hajime Nakanotani, Yohei Yomogida, Chihaya Adachi, Kosuke Sawabe, Taishi Takenobu, Yoshihiro Iwasa, Hayato Sakai, Shota Gocho
Publikováno v:
Organic Electronics, 14(11), 2737-2742. ELSEVIER SCIENCE BV
We report a novel concept for multi-color light emission from an ambipolar organic single-crystal transistor using natural optical waveguides, the self-absorption effect, Davydov splitting and the unique alignment of the transition dipole moments. We
Autor:
Taishi Takenobu, Federico Rosei, Brandon Djukic, Wei Hsin Sun, Afshin Dadvand, Dmitrii F. Perepichka, Insik Chung, Andrey G. Moiseev, Kosuke Sawabe
Publikováno v:
Angewandte Chemie. 124:3903-3907
Conductive and emissive: organic transistors made from a simple styrylanthracene derivative have high charge mobility and high luminescence quantum yields. These properties are attributed to the lack of singlet fission, and challenge the idea that th
Autor:
Kenichi Maruyama, Kosuke Sawabe, Shu Hotta, Taishi Takenobu, Jinpeng Li, Tomo Sakanoue, Yoshihiro Iwasa, Wataru Takahashi
Publikováno v:
Scientific Reports
Electrically driven organic lasers are among the best lasing devices due to their rich variety of emission colors as well as other advantages, including printability, flexibility and stretchability. However, electrically driven lasing in organic mate
Autor:
Taishi Takenobu, Takeshi Yamao, Yoshihiro Iwasa, Masaki Imakawa, Kenichi Maruyama, Satria Zulkarnaen Bisri, Kosuke Sawabe, Shu Hotta
Publikováno v:
Scientific Reports
Scientific Reports, 2:985. Nature Publishing Group
Scientific Reports, 2:985. Nature Publishing Group
Organic light-emitting transistors (OLETs) are of great research interest because they combine the advantage of the active channel of a transistor that can control the luminescence of an in-situ light-emitting diode in the same device. Here we report
Autor:
Kosuke Sawabe, Masaki Imakawa, Shu Hotta, Taishi Takenobu, Yoshihiro Iwasa, Masaki Nakano, Takeshi Yamao
Publikováno v:
Advanced materials (Deerfield Beach, Fla.). 24(46)
Extremely high current densities are realized in single-crystal ambipolar light-emitting transistors using an electron-injection buffer layer and a current-confinement structure via laser etching. Moreover, a linear increase in the luminance was obse
Autor:
Shu Hotta, Taishi Takenobu, Kosuke Sawabe, Yoshihiro Iwasa, Takeshi Yamao, Yohei Yomogida, Chihaya Adachi, Satria Zulkarnaen Bisri, Satoshi Tsuda
Publikováno v:
Advanced materials (Deerfield Beach, Fla.). 23(24)
A new method for investigating light-emitting property in organic devices is demonstrated. We apply the ambipolar light-emitting transistors (LETS) to directly observe the recombination zone, and find a strong link between the transistor performance
Autor:
Shu Hotta, Taishi Takenobu, Yoshihiro Iwasa, Takeshi Yamao, Satria Zulkarnaen Bisri, Kosuke Sawabe, Yohei Yomogida, Hidekazu Shimotani
Publikováno v:
Applied Physics Letters, 97(17):173301
We have fabricated ambipolar light-emitting field-effect transistors made of 1,4-bis(5-phenylthiophen-2-yl)benzene (AC5) single crystals, which have 35% fluorescent quantum efficiency. The obtained hole and electron mobilities were 2.9 x 10(-1) cm(2)
Publikováno v:
Applied Physics Letters. 101:073501
We report a significant lowering of the Schottky barrier height (SBH) in nickel (Ni)/rubrene devices by the insertion of a tetrafluoro-tetracyanoquinodimethane (F4TCNQ), molybdenum trioxide (MoO3), or tetracyanoquinodimethane (TCNQ) layers at the dev
Publikováno v:
Applied Physics Letters. 100:263301
Optically pumped amplified spontaneous emission (ASE) is demonstrated in the active layer of the polymer light-emitting electrochemical cells (LECs). The active layer blend of the light-emitting polymer and the ionic liquid retained a high degree of
Publikováno v:
Applied Physics Letters. 99:233301
A modified transmission-line method (TLM) is proposed to extract the contact resistance from the transistor saturation region. The conventional TLM requires a linear current–voltage characteristic, and this requirement strongly limits its applicati