Search Results - "Kushida, Tomokatsu"

A Radical Anion of Structurally Constrained Triphenylborane by Kushida, Tomokatsu, Yamaguchi, Shigehiro

“…Chemical reduction of the structurally constrained triphenylborane 1 with K produced a radical anion. EPR analysis demonstrated the delocalization of the…”
Get full text

Mixed-Orbital Charge Transport in N‑Shaped Benzene- and Pyrazine-Fused Organic Semiconductors by Yu, Craig P., Kumagai, Shohei, Kushida, Tomokatsu, Mitani, Masato, Mitsui, Chikahiko, Ishii, Hiroyuki, Takeya, Jun, Okamoto, Toshihiro

“…The hole-carrier transport of organic semiconductors is widely known to occur via intermolecular orbital overlaps of the highest occupied molecular orbitals…”
Get full text

Photochemical Intramolecular C−H Addition of Dimesityl(hetero)arylboranes through a [1,6]‐Sigmatropic Rearrangement by Ando, Naoki, Fukazawa, Aiko, Kushida, Tomokatsu, Shiota, Yoshihito, Itoyama, Shuhei, Yoshizawa, Kazunari, Matsui, Yasunori, Kuramoto, Yutaro, Ikeda, Hiroshi, Yamaguchi, Shigehiro

“…A new reaction mode for triarylboranes under photochemical conditions was discovered. Photoirradiation of dimesitylboryl‐substituted (hetero)arenes produced…”
Get full text

Planarized B-phenylborataanthracene anions: structural and electronic impacts of coplanar constraint by Kushida, Tomokatsu, Zhou, Zhiguo, Wakamiya, Atsushi, Yamaguchi, Shigehiro

“…Potassium and lithium salts of anionic B-phenylborataanthracenes, whose phenyl groups were fixed in a coplanar fashion, were synthesized. These compounds…”
Get more information

Synthesis and Reversible Control of the Fluorescent Properties of a Divalent Tin Dipyrromethene by Kobayashi, Junji, Kushida, Tomokatsu, Kawashima, Takayuki

“…A fluorescent chlorostannylene bearing a dipyrromethene ligand was synthesized. Its fluorescence quantum yield was low, Φf = 0.04, probably because of the…”
Get full text

Constraint-induced structural deformation of planarized triphenylboranes in the excited state by Kushida, Tomokatsu, Camacho, Cristopher, Shuto, Ayumi, Irle, Stephan, Muramatsu, Masayasu, Katayama, Tetsuro, Ito, Syoji, Nagasawa, Yutaka, Miyasaka, Hiroshi, Sakuda, Eri, Kitamura, Noboru, Zhou, Zhiguo, Wakamiya, Atsushi, Yamaguchi, Shigehiro

“…Triphenylboranes planarized with three methylene bridges exhibited dual fluorescence bands around 340 and 400 nm despite their structural constraint. To…”
Get full text

Control of molecular doping in conjugated polymers by thermal annealing by Fujimoto, Ryo, Watanabe, Shun, Yamashita, Yu, Tsurumi, Junto, Matsui, Hiroyuki, Kushida, Tomokatsu, Mitsui, Chikahiko, Yi, Hee Taek, Podzorov, Vitaly, Takeya, Jun

“…Doping is one of the most fundamental building blocks for semiconductor processing, and enables adaptation to both charge concentration and electrical…”
Get full text

Planarized Triarylboranes: Stabilization by Structural Constraint and Their Plane-to-Bowl Conversion by Zhou, Zhiguo, Wakamiya, Atsushi, Kushida, Tomokatsu, Yamaguchi, Shigehiro

“…Triphenylborane and 9,10-diphenyl-9,10-dihydro-9,10-diboraanthracene, constrained to a planar arrangement with methylene tethers, were synthesized by…”
Get full text

A Planarized Triphenylborane Mesogen: Discotic Liquid Crystals with Ambipolar Charge-Carrier Transport Properties by Kushida, Tomokatsu, Shuto, Ayumi, Yoshio, Masafumi, Kato, Takashi, Yamaguchi, Shigehiro

“…A discotic liquid‐crystalline (LC) material, consisting of a planarized triphenylborane mesogen, was synthesized. X‐ray diffraction analysis confirmed that…”
Get full text

Boracyclophanes: Modulation of the σ/π Character in Boron-Benzene Interactions by Kushida, Tomokatsu, Yamaguchi, Shigehiro

“…Character sketch: Boracyclophanes, in which the benzene ring coordinates to the boron atom, were synthesized. X‐ray crystallographic analysis and theoretical…”
Get full text

π‑Extended Planarized Triphenylboranes with Thiophene Spacers by Shuto, Ayumi, Kushida, Tomokatsu, Fukushima, Tatsuya, Kaji, Hironori, Yamaguchi, Shigehiro

“…Planarized triphenylboranes extended with thiophene or bithiophene spacers were synthesized, which showed intense fluorescences in solution and reversible…”
Get full text

Fluorescent Organic π‐Radicals Stabilized with Boron: Featuring a SOMO–LUMO Electronic Transition by Ito, Masato, Shirai, Shusuke, Xie, Yongfa, Kushida, Tomokatsu, Ando, Naoki, Soutome, Hiroki, Fujimoto, Kazuhiro J., Yanai, Takeshi, Tabata, Kenichi, Miyata, Yasuo, Kita, Hiroshi, Yamaguchi, Shigehiro

“…We report on the fluorescence properties of a new class of emissive and stable π‐radicals that contain a boron atom at a position distant from the radical…”
Get full text

Boron-Stabilized Planar Neutral π‑Radicals with Well-Balanced Ambipolar Charge-Transport Properties by Kushida, Tomokatsu, Shirai, Shusuke, Ando, Naoki, Okamoto, Toshihiro, Ishii, Hiroyuki, Matsui, Hiroyuki, Yamagishi, Masakazu, Uemura, Takafumi, Tsurumi, Junto, Watanabe, Shun, Takeya, Jun, Yamaguchi, Shigehiro

“…Organic neutral π-monoradicals are promising semiconductors with balanced ambipolar carrier-transport abilities, which arise from virtually identical spatial…”
Get full text

Boracyclophanes: Modulation of the [sigma]/[pi]Character in Boron-Benzene Interactions by Kushida, Tomokatsu, Yamaguchi, Shigehiro

“…Character sketch: Boracyclophanes, in which the benzene ring coordinates to the boron atom, were synthesized. X-ray crystallographic analysis and theoretical…”
Get full text

Alkyl-Substituted Selenium-Bridged V‑Shaped Organic Semiconductors Exhibiting High Hole Mobility and Unusual Aggregation Behavior by Okamoto, Toshihiro, Mitani, Masato, Yu, Craig P, Mitsui, Chikahiko, Yamagishi, Masakazu, Ishii, Hiroyuki, Watanabe, Go, Kumagai, Shohei, Hashizume, Daisuke, Tanaka, Shota, Yano, Masafumi, Kushida, Tomokatsu, Sato, Hiroyasu, Sugimoto, Kunihisa, Kato, Takashi, Takeya, Jun

“…Toward the development of high-performance organic semiconductors (OSCs), carrier mobility is the most important requirement for next-generation OSC-based…”
Get full text

Boracyclophanes: Modulation of the σ/π Character in Boron-Benzene Interactions by Kushida, Tomokatsu, Yamaguchi, Shigehiro

“…Charakterzeichnung: Boracyclophane, in denen der Benzolring an das Boratom koordiniert, wurden synthetisiert. Die Eigenschaften der Bor‐Benzol‐Wechselwirkung…”
Get full text

Fluorescent Organic π‐Radicals Stabilized with Boron: Featuring a SOMO–LUMO Electronic Transition by Ito, Masato, Shirai, Shusuke, Xie, Yongfa, Kushida, Tomokatsu, Ando, Naoki, Soutome, Hiroki, Fujimoto, Kazuhiro J., Yanai, Takeshi, Tabata, Kenichi, Miyata, Yasuo, Kita, Hiroshi, Yamaguchi, Shigehiro

“…We report on the fluorescence properties of a new class of emissive and stable π‐radicals that contain a boron atom at a position distant from the radical…”
Get full text

Constraint-induced structural deformation of planarized triphenylboranes in the excited stateElectronic supplementary information (ESI) available: Experimental details, NMR spectra for all new compounds, photophysical properties of 5 and 6 at room temperature, time profiles of time-resolved spectroscopies, and details of theoretical calculations. See DOI: 10.1039/c3sc52751d by Kushida, Tomokatsu, Camacho, Cristopher, Shuto, Ayumi, Irle, Stephan, Muramatsu, Masayasu, Katayama, Tetsuro, Ito, Syoji, Nagasawa, Yutaka, Miyasaka, Hiroshi, Sakuda, Eri, Kitamura, Noboru, Zhou, Zhiguo, Wakamiya, Atsushi, Yamaguchi, Shigehiro

“…Triphenylboranes planarized with three methylene bridges exhibited dual fluorescence bands around 340 and 400 nm despite their structural constraint. To…”
Get full text

A Planarized Triphenylborane Mesogen: Discotic Liquid Crystals with Ambipolar Charge-Carrier Transport Properties by Kushida, Tomokatsu, Shuto, Ayumi, Yoshio, Masafumi, Kato, Takashi, Yamaguchi, Shigehiro

“…A discotic liquid‐crystalline (LC) material, consisting of a planarized triphenylborane mesogen, was synthesized. X‐ray diffraction analysis confirmed that…”
Get full text

Photochemical Intramolecular C−H Addition of Dimesityl(hetero)arylboranes through a [1,6]‐Sigmatropic Rearrangement by Ando, Naoki, Fukazawa, Aiko, Kushida, Tomokatsu, Shiota, Yoshihito, Itoyama, Shuhei, Yoshizawa, Kazunari, Matsui, Yasunori, Kuramoto, Yutaro, Ikeda, Hiroshi, Yamaguchi, Shigehiro

“…A new reaction mode for triarylboranes under photochemical conditions was discovered. Photoirradiation of dimesitylboryl‐substituted (hetero)arenes produced…”
Get full text