Search Results - "Kunugi, Yoshihito"

Solution-Processible n-Channel Organic Field-Effect Transistors Based on Dicyanomethylene-Substituted Terthienoquinoid Derivative by Handa, Sayuri, Miyazaki, Eigo, Takimiya, Kazuo, Kunugi, Yoshihito

“…A new hybrid-type dicyanomethylene-substituted terthienoquinoid compound as a highly soluble n-channel organic semiconductor was synthesized, and its…”
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Physical and electrochemical properties of room-temperature dicyanamide ionic liquids based on quaternary phosphonium cations by Tsunashima, Katsuhiko, Kodama, Shun, Sugiya, Masashi, Kunugi, Yoshihito

“…The physicochemical and electrochemical properties of room temperature ionic liquids based on quaternary phosphonium cations together with a dicyanamide anion…”
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Low viscous and highly conductive phosphonium ionic liquids based on bis(fluorosulfonyl)amide anion as potential electrolytes by Tsunashima, Katsuhiko, Kawabata, Atsuko, Matsumiya, Masahiko, Kodama, Shun, Enomoto, Ryuichi, Sugiya, Masashi, Kunugi, Yoshihito

“…The physical and electrochemical properties of room-temperature ionic liquids based on quaternary phosphonium cations together with a bis(fluorosulfonyl)amide…”
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Development of New Semiconducting Materials for Durable High-performance Air-stable Organic Field-effect Transistors by Takimiya, Kazuo, Kunugi, Yoshihito, Otsubo, Tetsuo

“…New thiophene- and selenophene-fused aromatic compounds were successfully developed as high-performance semiconducting materials for organic field-effect…”
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Organic Field-Effect Transistors Based on Solution-Processed Single Crystal Films of Alkylphenyl Chrysene Derivatives by Kunugi, Yoshihito, Mada, Ayami, Otsuki, Hiroyuki, Okamoto, Kazuo

“…We synthesized alkyl-substituted phenyl chrysenes as novel solution-processable transistor materials for single crystal organic transistors. All devices…”
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Disilanobithiophene-dithienylbenzothiadiazole alternating polymer as donor material of bulk heterojunction polymer solar cells by Nakashima, Makoto, Murata, Noriyasu, Suenaga, Yu, Naito, Hiroyoshi, Sasaki, Takuya, Kunugi, Yoshihito, Ohshita, Joji

“…[Display omitted] •A new D-A polymer (pDSBT-BHTBT) was used as a host material of BHJ-PSCs.•The optimization of cell fabrication parameters led to the…”
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Synthesis of silicon- or carbon-bridged polythiophenes and application to organic thin-film transistors by Nakashima, Makoto, Miyazaki, Masayuki, Ooyama, Yousuke, Fujita, Yuki, Murata, Shuhei, Kunugi, Yoshihito, Ohshita, Joji

“…Silicon- and carbon-bridged polythiophenes, dithienosilole (DTS) and cyclopentadithiophene (DTC) homopolymers with 2-ethylhexyl or n -octyl substituents on the…”
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Dye-Sensitized Solar Cell Utilizing Electrostatic Inkjet by Umezu, Shinjiro, Kunugi, Yoshihito, Ohmori, Hitoshi

“…Solar cell is one of the key technologies in this century because this has possibility to clear energy problems. We tried to pattern good titania layer of…”
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Molecular Modification of 2,6-Diphenylbenzo[1,2-b:4,5-b′]dichalcogenophenes by Introduction of Strong Electron-withdrawing Groups: Conversion from p- to n-Channel OFET Materials by Takimiya, Kazuo, Kunugi, Yoshihito, Ebata, Hideaki, Otsubo, Tetsuo

“…2,6-Diphenylbenzo[1,2-b:4,5-b′]dithiophene (DPh-BDT) and -diselenophene (DPh-BDS) as p-channel semiconducting materials were modified by introducing fluoro,…”
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Spray-coated Pt counter electrode of dye-sensitized solar cell utilizing electrostatic inkjet printing by Umezu, Shinjiro, Kosugi, Kyosuke, Kunugi, Yoshihito, Shimoyama, Yuki

“…Dye-sensitized solar cell (DSC) is highly focused because of low-cost. Generally, DSC was composed of photoelectrode, dye, electrolyte, and counter electrode…”
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New Organic Sensitizers with N-Substituted or Nonsubstituted Pyrrole Units for Dye-sensitized Solar Cells by Hara, Masaki, Kondo, Daisuke, Shono, Tomohiro, Kunugi, Yoshihito, Aihara, Hidenori

“…New organic dyes with pyrrolic conjugated π spacers have been prepared in combination with a triphenylamine donor and a cyanoacrylic acid acceptor. Various…”
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Synthesis and optical properties of organosilicon–oligothiophene branched polymers by Ohshita, Joji, Tominaga, Yuta, Tanaka, Daiki, Mizumo, Tomonobu, Fujita, Yuki, Kunugi, Yoshihito

“…Star-shaped monomers bearing three bromobithiophenyl units linked by an organosilicon core were polymerized with 1:1 mixtures of…”
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2,6-Diarylnaphtho[1,8-bc:5,4-b ‘ c ‘]dithiophenes as New High-Performance Semiconductors for Organic Field-Effect Transistors by Takimiya, Kazuo, Kunugi, Yoshihito, Toyoshima, Yuta, Otsubo, Tetsuo

“…A series of 2,6-diaryl-substituted naphtho[1,8-bc:5,4-b ‘ c ‘]dithiophene derivatives 2 − 6, whose aryl groups include 5-hexyl-2-thienyl, 2,2‘-bithiophen-5-yl,…”
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Dye-Sensitized Solar Cells Based on Quaternary Phosphonium Ionic Liquids as Electrolytes by Kunugi, Yoshihito, Hayakawa, Hideyuki, Tsunashima, Katsuhiko, Sugiya, Masashi

“…Dye-sensitized solar cells using quaternary phosphonium ionic liquids as their electrolytes have been successfully fabricated. Of these, the best device…”
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Organic Field-Effect Transistor Using Oligoselenophene as an Active Layer by Kunugi, Yoshihito, Takimiya, Kazuo, Yamane, Kiwamu, Yamashita, Kazuo, Aso, Yoshio, Otsubo, Tetsuo

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Synthesis and Characterization of 2,9-Bis(perfluorobutyl)pentacene as an n-Type Organic Field-Effect Transistor by Okamoto, Kazuo, Ogino, Kenji, Ikari, Mitsuaki, Kunugi, Yoshihito

“…A novel organic semiconductor, 2,9-bis(perfluorobutyl)pentacene, was synthesized in seven steps, and was characterized by NMR, IR, and UV spectroscopy. From…”
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Synthesis and Optical Properties of Pyridino End-Capped Oligothiophenes by Hwang, Yong-Mook, Ohshita, Joji, Mizumo, Tomonobu, Yoshida, Hiroto, Kunugi, Yoshihito, Sugioka, Takashi

“…Oligothiophenes end-capped with fused pyridino units were synthesized by means of the Stille coupling and their optical properties were studied. These…”
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Applications of Silicon-Bridged Oligothiophenes to Organic FET Materials by Ohshita, Joji, Izumi, Yuki, Kim, Dong-Ha, Kunai, Atsutaka, Kosuge, Takao, Kunugi, Yoshihito, Naka, Akinobu, Ishikawa, Mitsuo

“…Trisilanylene-bridged oligothiophenes were synthesized, and their vapor-deposited and spin-coated films were examined as p-type semiconductors in field-effect…”
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Effects of the silicon core structures on the hole mobility of star-shaped oligothiophenes by Ohshita, Joji, Hatanaka, Yosuke, Matsui, Shigenori, Mizumo, Tomonobu, Kunugi, Yoshihito, Honsho, Yoshihito, Saeki, Akinori, Seki, Shu, Tibbelin, Julius, Ottosson, Henrik, Takeuchi, Takae

“…Star-shaped compounds with three or four oligothiophene units linked by an organosilicon core were prepared and their hole-transport capabilities were studied…”
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Synthesis of Novel Spiro-condensed Dithienosiloles and the Application to Organic FET by Ohshita, Joji, Lee, Kwang-Hoi, Hamamoto, Daisuke, Kunugi, Yoshihito, Ikadai, Junnai, Kwak, Young-Woo, Kunai, Atsutaka

“…Spirobi(dithienosilole)s were prepared and their optical and FET properties were studied. They showed absorption maxima at 358–368 nm, a little red shifted…”
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