Bisquinoxaline-Fused Porphyrins for Dye-Sensitized Solar Cells

Hiroshi Imahori, Hiroaki Iijima, Hironobu Hayashi, Yuuki Toude, Tomokazu Umeyama, Yoshihiro Matano, Seigo Ito

CHEMSUSCHEM 4(6) 797-805 2011年査読有り
Effects of fullerene encapsulation on structure and photophysical properties of porphyrin-linked single-walled carbon nanotubes

Tomokazu Umeyama, Junya Mihara, Hironobu Hayashi, Naoki Kadota, Vladimir Chukharev, Nikolai V. Tkachenko, Helge Lemmetyinen, Kaname Yoshida, Seiji Isoda, Hirohi Imahori

CHEMICAL COMMUNICATIONS 47(42) 11781-11783 2011年査読有り
Synthesis and photovoltaic properties of thiophene-imide-fused thiophene alternating copolymers with different alkyl side chains

Tomokazu Umeyama, Masaaki Oodoi, Osamu Yoshikawa, Takashi Sagawa, Susumu Yoshikawa, Douvogianni Evgenia, Noriyasu Tezuka, Yoshihiro Matano, Kati Stranius, Nikolai V. Tkachencko, Helge Lemmetyinen, Hiroshi Imahori

JOURNAL OF MATERIALS CHEMISTRY 21(33) 12454-12461 2011年査読有り
Formation of single-walled carbon nanotube thin films enriched with semiconducting nanotubes and their application in photoelectrochemical devices

Li Wei, Noriyasu Tezuka, Tomokazu Umeyama, Hiroshi Imahori, Yuan Chen

NANOSCALE 3(4) 1845-1849 2011年査読有り
Good Solvent Effects of C-70 Cluster Formations and Their Electron-Transporting and Photoelectrochemical Properties

Noriyasu Tezuka, Tomokazu Umeyama, Yoshihiro Matano, Tetsuya Shishido, Mitsuo Kawasaki, Masayuki Nishi, Kazuyuki Hirao, Heli Lehtivuori, Nikolai V. Ikachenko, Helge Lemmetyinen, Yoshihito Honsho, Shu Seki, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY B 114(45) 14287-14297 2010年11月査読有り
光電変換素子材料としてのカーボンナノチューブ

梅山有和

化学と工業 = Chemistry and chemical industry 63(9) 742-742 2010年9月
Effects of π-Elongation and the Fused Position of Quinoxaline-Fused Porphyrins as Sensitizers in Dye-Sensitized Solar Cells on Optical, Electrochemical, and Photovoltaic Properties

Aiko Kira, Yusuke Matsubara, Hiroaki Iijima, Tomokazu Umeyama, Yoshihiro Matano, Seigo Ito, Marja Niemi, Nikolai V. Tkachenko, Helge Lemmetyinen, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY C 114(25) 11293-11304 2010年7月査読有り
有機薄膜太陽電池のしくみと高効率化に向けたナノカーボン材料の活用(レーダー)

梅山有和

化学と教育 58(7) 308-309 2010年7月
Effects of meso-Diarylamino Group of Porphyrins as Sensitizers in Dye-Sensitized Solar Cells on Optical, Electrochemical, and Photovoltaic Properties

Hiroshi Imahori, Yusuke Matsubara, Hiroaki Iijima, Tomokazu Umeyama, Yoshihiro Matano, Seigo Ito, Marja Niemi, Nikolai V. Tkachenko, Helge Lemmetyinen

JOURNAL OF PHYSICAL CHEMISTRY C 114(23) 10656-10665 2010年6月査読有り
Oligothiophene Bearing 1-Hydroxy-1-oxodithieno[2,3-b:3 ',2 '-d]phosphole as a Novel Anchoring Group for Dye-sensitized Solar Cells

Aiko Kira, Yuki Shibano, Soonchul Kang, Hironobu Hayashi, Tomokazu Umeyama, Yoshihiro Matano, Hiroshi Imahori

CHEMISTRY LETTERS 39(5) 448-450 2010年5月査読有り
Selective Formation and Efficient Photocurrent Generation of [70]Fullerene-Single-Walled Carbon Nanotube Composites

Tomokazu Umeyama, Noriyasu Tezuka, Shu Seki, Yoshihiro Matano, Masayuki Nishi, Kazuyuki Hirao, Heli Lehtivuori, Nikolai V. Tkachenko, Helge Lemmetyinen, Yoshihide Nakao, Shigeyoshi Sakaki, Hiroshi Imahori

ADVANCED MATERIALS 22(15) 1767-+ 2010年4月査読有り
太陽電池を指向したフラーレン-カーボンナノチューブ複合材料 (特集ライセンス技術の開発と展望)

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ケミカルエンジニヤリング 55(3) 204-209 2010年3月
Comparison of Cluster Formation, Film Structure, Microwave Conductivity, and Photoelectrochemical Properties of Composites Consisting of Single-Walled Carbon Nanotubes with C-60, C-70, and C-84

Noriyasu Tezuka, Tomokazu Umeyama, Shu Seki, Yoshihiro Matano, Masayuki Nishi, Kazuyuki Hirao, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY C 114(7) 3235-3247 2010年2月査読有り
Dispersion of carbon nanotubes by photo- and thermal-responsive polymers containing azobenzene unit in the backbone

Tomokazu Umeyama, Kazuhiro Kawabata, Noriyasu Tezuka, Yoshihiro Matano, Yuji Miyato, Kazumi Matsushige, Masahiko Tsujimoto, Seiji Isoda, Mikio Takano, Hiroshi Imahori

CHEMICAL COMMUNICATIONS 46(32) 5969-5971 2010年査読有り
Oligothiophene Bearing 1-Hydroxy-1-oxodithieno[2,3-b:3',2'-d]phosphole as a Novel Anchoring Group for Dye-sensitized Solar Cells

Aiko Kira, Yuki Shibano, Soonchul Kang, Hironobu Hayashi, Tomokazu Umeyama, Yoshihiro Matano, Hiroshi Imahori

Chemistry Letters 39(5) 448-450 2010年査読有り
Large π-Aromatic Molecules as Potential Sensitizers for Highly Efficient Dye-Sensitized Solar Cells

Hiroshi Imahori, Tomokazu Umeyama, Seigo Ito

ACCOUNTS OF CHEMICAL RESEARCH 42(11) 1809-1818 2009年11月査読有り
Porphyrin-modified electrodes for solar energy conversion

Hiroshi Imahori, Tomokazu Umeyama

JOURNAL OF PORPHYRINS AND PHTHALOCYANINES 13(10) 1063-1068 2009年10月査読有り
Effects of Porphyrin Substituents and Adsorption Conditions on Photovoltaic Properties of Porphyrin-Sensitized TiO2 Cells

Hiroshi Imahori, Shinya Hayashi, Hironobu Hayashi, Akane Oguro, Seunghun Eu, Tomokazu Umeyama, Yoshihiro Matano

JOURNAL OF PHYSICAL CHEMISTRY C 113(42) 18406-18413 2009年10月査読有り
Synthesis and Photophysical and Photovoltaic Properties of Porphyrin-Furan and -Thiophene Alternating Copolymers

Tomokazu Umeyama, Takeshi Takamatsu, Noriyasu Tezuka, Yoshihiro Matano, Yasuyuki Araki, Takehiko Wada, Osamu Yoshikawa, Takashi Sagawa, Susumu Yoshikawa, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY C 113(24) 10798-10806 2009年6月査読有り
Effects of Electrode Structure on Photoelectrochemical Properties of ZnO Electrodes Modified with Porphyrin-Fullerene Composite Layers with an Intervening Fullerene Monolayer

Hironobu Hayashi, Aiko Kira, Tomokazu Umeyama, Yoshihiro Matano, Patcharee Charoensirithavorn, Takashi Sagawa, Susumu Yoshikawa, Nikolai V. Tkachenko, Helge Lemmetyinen, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY C 113(24) 10819-10828 2009年6月査読有り
Donor-Acceptor Nanoarchitecture on Semiconducting Electrodes for Solar Energy Conversion

Hiroshi Imahori, Tomokazu Umeyama

JOURNAL OF PHYSICAL CHEMISTRY C 113(21) 9029-9039 2009年5月査読有り
Supramolecular Donor-Acceptor Heterojunctions by Vectorial Stepwise Assembly of Porphyrins and Coordination-Bonded Fullerene Arrays for Photocurrent Generation

Aiko Kira, Tomokazu Umeyama, Yoshihiro Matano, Kaname Yoshida, Seiji Isoda, Jong Kang Park, Dongho Kim, Hiroshi Imahori

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 131(9) 3198-+ 2009年3月査読有り
Substituent Effects of Porphyrins on Structures and Photophysical Properties of Amphiphilic Porphyrin Aggregates

Kohei Hosomizu, Masaaki Oodoi, Tomokazu Umeyama, Yoshihiro Matano, Kaname Yoshida, Seiji Isoda, Marja Isosomppi, Nikolai V. Tkachenko, Helge Lemmetyinen, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY B 112(51) 16517-16524 2008年12月
Substituent Effects of Porphyrins on Structures and Photophysical Properties of Amphiphilic Porphyrin Aggregates

Kohei Hosomizu, Masaaki Oodoi, Tomokazu Umeyama, Yoshihiro Matano, Kaname Yoshida, Seiji Isoda, Marja Isosomppi, Nikolai V. Tkachenko, Helge Lemmetyinen, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY B 112(51) 16517-16524 2008年12月査読有り
Synthesis of sterically hindered phthalocyanines and their applications to dye-sensitized solar cells

Seunghun Eu, Takashi Katoh, Tomokazu Umeyama, Yoshihiro Matano, Hiroshi Imahori

DALTON TRANSACTIONS (40) 5476-5483 2008年10月
Naphthyl-fused pi-elongated porphyrins for dye-sensitized TiO2 cells

Shinya Hayashi, Masanobu Tanaka, Hironobu Hayashi, Seunghun Eu, Tomokazu Umeyama, Yoshihiro Matano, Yasuyuki Araki, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY C 112(39) 15576-15585 2008年10月
Fused five-membered porphyrin for dye-sensitized solar cells

Shinya Hayashi, Yusuke Matsubara, Seunghun Eu, Hironobu Hayashi, Tomokazu Umeyama, Yoshihiro Matano, Hiroshi Imahori

CHEMISTRY LETTERS 37(8) 846-847 2008年8月
Tunable soret-band splitting of an amphiphilic porphyrin by surface pressure

Gustavo de Miguel, Kohei Hosomizu, Tomokazu Umeyama, Yoshihiro Matano, Hiroshi Imahori, Maria T. Martin-Romero, Luis Camacho

CHEMPHYSCHEM 9(11) 1511-1513 2008年8月
Clusterization, electrophoretic deposition, and photoelectrochemical properties of fullerene-functionalized carbon nanotube composites

Tomokazu Umeyama, Noriyasu Tezuka, Mitsuru Fujita, Shinya Hayashi, Naoki Kadota, Yoshihiro Matano, Hiroshi Imahori

CHEMISTRY-A EUROPEAN JOURNAL 14(16) 4875-4885 2008年
Light harvesting and energy transfer in multiporphyrin-modified CdSe nanoparticles

Soonchul Kang, Masakazu Yasuda, Hiroshi Miyasaka, Hironobu Hayashi, Mitsuo Kawasaki, Tomokazu Umeyama, Yoshihiro Matano, Kaname Yoshida, Seiji Isoda, Hiroshi Imahori

CHEMSUSCHEM 1(3) 254-261 2008年
meso-3,5-Bis(trifluoromethyl)phenyl-Substituted Expanded Porphyrins: Synthesis, Characterization, and Optical, Electrochemical, and Photophysical Properties

Soonchul Kang, Hironobu Hayashi, Tomokazu Umeyama, Yoshihiro Matano, Nikolai V. Tkachenko, Helge Lemmetyinen, Hiroshi Imahori

CHEMISTRY-AN ASIAN JOURNAL 3(12) 2065-2074 2008年査読有り
Carbon nanotube-modified electrodes for solar energy conversion

Tomokazu Umeyama, Hiroshi Imahori

ENERGY & ENVIRONMENTAL SCIENCE 1(1) 120-133 2008年査読有り
meso-3,5-Bis(trifluoromethyl)phenyl-Substituted Expanded Porphyrins: Synthesis, Characterization, and Optical, Electrochemical, and Photophysical Properties

Soonchul Kang, Hironobu Hayashi, Tomokazu Umeyama, Yoshihiro Matano, Nikolai V. Tkachenko, Helge Lemmetyinen, Hiroshi Imahori

CHEMISTRY-AN ASIAN JOURNAL 3(12) 2065-2074 2008年
Solar energy turns organic

Hiroshi Imahori, Tomokazu Umeyama

ENERGY & ENVIRONMENTAL SCIENCE 1(1) T55-T55 2008年査読有り
Quinoxaline-Fused Porphyrins for Dye-Sensitized Solar Cells

Eu Seunghun, Hayashi Shinya, Umeyama Tomokazu, Matano Yoshihiro, Araki Yasuyuki, Imahori Hiroshi

Journal of Physical Chemistry C 112(11) 4396-4405 2008年査読有り

5334
Hydrogen-bonding effects on film structure and photoelectrochemical properties of porphyrin and fullerene composites on nanostructured TiO2 electrodes

Aiko Kira, Masanobu Tanaka, Tomokazu Umeyama, Yoshihiro Matano, Naoki Yoshimoto, Yi Zhang, Shen Ye, Heli Lehtivuori, Nikolai V. Tkachenko, Helge Lemmetyinen, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY C 111(36) 13618-13626 2007年9月
Electrophoretic deposition of single-walled carbon nanotubes covalently modified with bulky porphyrins on nanostructured SnO2 electrodes for photoelectrochemical devices

Tomokazu Umeyama, Mitsuru Fujita, Noriyasu Tezuka, Naoki Kadota, Yoshihiro Matano, Kaname Yoshida, Seiji Isoda, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY C 111(30) 11484-11493 2007年8月
Photoinduced energy transfer in composites of poly[(p-phenylene-1,2-vinylene)-co-(p-phenylene-1,1-vinylidene)] and single-walled carbon nanotubes

Tomokazu Umeyama, Naoki Kadota, Noriyasu Tezuka, Yoshihiro Matano, Hiroshi Imahori

CHEMICAL PHYSICS LETTERS 444(4-6) 263-267 2007年8月
Synthesis of sulfur-containing hyperbranched polymers by the bisthiolation polymerization of diethynyl disulfide derivatives

Akiko Nakahashi, Masaki Fujita, Eisuke Miyoshi, Tomokazu Umeyama, Kensuke Naka, Yoshiki Chujo

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 45(16) 3580-3587 2007年8月
Synthesis of poly(vinylene-phosphine)s: Ring-collapsed radical alternating copolymerization of methyl-substituted cyclooligophosphine with acetylenic compounds

Kensuke Naka, Tomokazu Umeyama, Akiko Nakahashi, Yoshiki Chujo

MACROMOLECULES 40(14) 4854-4858 2007年7月
Retention of intrinsic electronic properties of soluble single-walled carbon nanotubes after a significant degree of sidewall functionalization by the bingel reaction

Tomokazu Umeyama, Noriyasu Tezuka, Mitsuru Fujita, Yoshihiro Matano, Norihiko Takeda, Kei Murakoshi, Kaname Yoshida, Seiji Isoda, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY C 111(27) 9734-9741 2007年7月
Electron-donating perylene tetracarboxylic acids for dye-sensitized solar cells

Yuki Shibano, Tomokazu Umeyama, Yoshihiro Matano, Hiroshi Imahori

ORGANIC LETTERS 9(10) 1971-1974 2007年5月
Large reorganization energy of pyrrolidine-substituted perylenediimide in electron transfer

Yuki Shibano, Tomokazu Umeyama, Yoshihiro Matano, Nikolai V. Tkachenko, Helge Lemmetyinen, Yasuyuki Araki, Osamu Ito, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY C 111(16) 6133-6142 2007年4月
Effects of 5-membered heteroaromatic spacers on structures of porphyrin films and photovoltaic properties of porphyrin-sensitized TiO2 cells

Seunghun Eu, Shinya Hayashi, Tomokazu Umeyama, Akane Oguro, Mitsuo Kawasaki, Naoki Kadota, Yoshihiro Matano, Hiroshi Imahori

JOURNAL OF PHYSICAL CHEMISTRY C 111(8) 3528-3537 2007年3月
Effects of porphyrin substituents on film structure and photoelectrochemical properties of porphyrin/fullerene composite clusters electrophoretically deposited on nanostructured SnO2 electrodes

Hiroshi Imahori, Masahiro Ueda, Soonchul Kang, Hironobu Hayashi, Shinya Hayashi, Hironori Kaji, Shu Seki, Akinori Saeki, Seiichi Tagawa, Tomokazu Umeyama, Yoshihiro Matano, Kaname Yoshida, Seiji Isoda, Motoo Shiro, Nikolai V. Tkachenko, Helge Lemmetyinen

CHEMISTRY-A EUROPEAN JOURNAL 13(36) 10182-10193 2007年査読有り
Effects of porphyrin substituents on film structure and photoelectrochemical properties of porphyrin/fullerene composite clusters electrophoretically deposited on nanostructured SnO2 electrodes

Hiroshi Imahori, Masahiro Ueda, Soonchul Kang, Hironobu Hayashi, Shinya Hayashi, Hironori Kaji, Shu Seki, Akinori Saeki, Seiichi Tagawa, Tomokazu Umeyama, Yoshihiro Matano, Kaname Yoshida, Seiji Isoda, Motoo Shiro, Nikolai V. Tkachenko, Helge Lemmetyinen

CHEMISTRY-A EUROPEAN JOURNAL 13(36) 10182-10193 2007年
Novel unsymmetrically pi-elongated porphyrin for dye-sensitized TiO2 cells

Masanobu Tanaka, Shinya Hayashi, Seunghun Eu, Tomokazu Umeyama, Yoshihiro Matano, Hiroshi Imahori

CHEMICAL COMMUNICATIONS (20) 2069-2071 2007年
Effects of 5-Membered Heteroaromatic Spacers on Structures of Porphyrin Films and Photovoltaic Properties of Porphyrin-Sensitized TiO2 Cells

Seunghun Eu, Shinya Hayashi, Tomokazu Umeyama, Akane Oguro, Mitsuo Kawasaki, Naoki Kadota, Yoshihiro Matano, Hiroshi Imahori

The Journal of Physical Chemistry C 111(8) 3528-3537 2007年査読有り
Electron-Donating Perylene-Tetracarboxylic Acids for Dye-Sensitized Solar Cells

Yuki Shibano, Tomokazu Umeyama, Yoshihiro Matano, Hiroshi Imahori

Organic Letters 9(10) 1971-1974 2007年査読有り
Comparison of electrode structures and photovoltaic properties of porphyrin-sensitized solar cells with TiO(2) and Nb, Ge, Zr-added TiO(2) composite electrodes

Hiroshi Imahori, Shinya Hayashi, Tomokazu Umeyama, Seunghun Eu, Akane Oguro, Soonchul Kang, Yoshihiro Matano, Tetsuya Shishido, Supachai Ngamsinlapasathian, Susumu Yoshikawa

LANGMUIR 22(26) 11405-11411 2006年12月

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PffBT4T-2ODとの複合薄膜中でのβ1-[70]PCBMの高凝集挙動

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日本化学会第98春季年会(2018) 2018年3月
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架橋構造置換基を有するcis-1型フラーレン二付加体の合成および有機薄膜太陽電池への応用

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書籍等出版物

元素ブロック材料の創出と応用展開

梅山有和 (担当:分担執筆, 範囲:炭素で構成された一次元および二次元ナノ元素ブロックの化学修飾と光機能)

シーエムシー出版 2016年6月
太陽光と光電変換機能―異分野融合から生まれる次世代太陽電池―

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シーエムシー出版 2016年1月
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Imahori, Hiroshi, Umeyama, Tomokazu (担当:分担執筆, 範囲:Fullerene-Modified Electrodes and Solar Cells)

2012年
Supramolecular Chemistry of Fullerenes and Carbon Nanotubes

Imahori, Hiroshi, Umeyama, Tomokazu (担当:分担執筆, 範囲:Applications of Supramolecular Ensembles with Fullerenes and CNTs: Solar Cells and Transistors)

2012年
炭素表面処理

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技術情報協会 2011年