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1

High-performance carbon counter electrode for dye-sensitized solar cells

Kiyoaki Imoto, Kohshin Takahashi, Takahiro Yamaguchi, Teruhisa Komura, Jun-ichi Nakamura, Kazuhiko Murata

Journal:

Solar Energy Materials and Solar Cells

Année:

2003

Langue:

english

Fichier:

PDF, 220 KB

english, 2003

2

Three-layer organic solar cell with high-power conversion efficiency of 3.5%

Kohshin Takahashi, Noriko Kuraya, Takahiro Yamaguchi, Teruhisa Komura, Kazuhiko Murata

Journal:

Solar Energy Materials and Solar Cells

Année:

2000

Langue:

english

Fichier:

PDF, 216 KB

english, 2000

3

10.5796/electrochemistry.79.861

TAKAHASHI, Kohshin

Journal:

Electrochemistry

Année:

2011

Fichier:

PDF, 642 KB

2011

4

Sexi-Thiophene-Based Photovoltaic Cells With High Light Absorption Coefficient via Crystalline Polymorph Control

Taima, Tetsuya, Shahiduzzaman, Md, Ishizeki, Takaaki, Yamamoto, Kohei, Karakawa, Makoto, Kuwabara, Takayuki, Takahashi, Kohshin

Journal:

The Journal of Physical Chemistry C

Année:

2017

Langue:

english

Fichier:

PDF, 1.06 MB

english, 2017

5

Interface engineering of compact-TiO x in planar perovskite solar cells using low-temperature processable high-mobility fullerene derivative

Shahiduzzaman, Md., Karakawa, Makoto, Yamamoto, Kohei, Kusumi, Takuji, Yonezawa, Kyosuke, Kuwabara, Takayuki, Takahashi, Kohshin, Taima, Tetsuya

Journal:

Solar Energy Materials and Solar Cells

Année:

2018

Langue:

english

Fichier:

PDF, 890 KB

english, 2018

6

Influence of coating steps of perovskite on low-temperature amorphous compact TiO x upon the morphology, crystallinity, and photovoltaic property correlation in planar perovskite solar cells

Shahiduzzaman, Md., Furumoto, Yoshikazu, Yamamoto, Kohei, Yonezawa, Kyosuke, Azuma, Yosuke, Kitamura, Michinori, Matsuzaki, Hiroyuki, Karakawa, Makoto, Kuwabara, Takayuki, Takahashi, Kohshin, Taima, T

Journal:

Japanese Journal of Applied Physics

Année:

2018

Langue:

english

Fichier:

PDF, 1.07 MB

english, 2018

7

Inverted bulk-heterojunction organic solar cell using chemical bath deposited titanium oxide as electron collection layer

Takayuki Kuwabara, Hirokazu Sugiyama, Mitsuhiro Kuzuba, Takahiro Yamaguchi, Kohshin Takahashi

Journal:

Organic Electronics

Année:

2010

Langue:

english

Fichier:

PDF, 488 KB

english, 2010

8

Flexible inverted polymer solar cells containing an amorphous titanium oxide electron collection electrode

Ikumi Sasajima, Shogo Uesaka, Takayuki Kuwabara, Takahiro Yamaguchi, Kohshin Takahashi

Journal:

Organic Electronics

Année:

2011

Langue:

english

Fichier:

PDF, 766 KB

english, 2011

9

Highly durable inverted-type organic solar cell using amorphous titanium oxide as electron collection electrode inserted between ITO and organic layer

Takayuki Kuwabara, Taketoshi Nakayama, Konosuke Uozumi, Takahiro Yamaguchi, Kohshin Takahashi

Journal:

Solar Energy Materials and Solar Cells

Année:

2008

Langue:

english

Fichier:

PDF, 830 KB

english, 2008

10

Inverted type bulk-heterojunction organic solar cell using electrodeposited titanium oxide thin films as electron collector electrode

Takayuki Kuwabara, Hirokazu Sugiyama, Takahiro Yamaguchi, Kohshin Takahashi

Journal:

Thin Solid Films

Année:

2009

Langue:

english

Fichier:

PDF, 585 KB

english, 2009

11

Electrostatic incorporation of alizarin red S into poly[1-methyl-3-(pyrrol-1-ylmethyl)pyridinium] films

Takahiro Yamaguchi, Yuji Yokono, Kohshin Takahashi, Teruhisa Komura

Journal:

Electrochimica Acta

Année:

2002

Langue:

english

Fichier:

PDF, 169 KB

english, 2002

12

Electron transfer rate of redox ion controlled by electrostatic interaction with bilayer films assembled using thiolate–copper ion–carboxylate bridges

Takahiro Yamaguchi, Rei Sakai, Kohshin Takahashi, Teruhisa Komura

Journal:

Electrochimica Acta

Année:

2003

Langue:

english

Fichier:

PDF, 228 KB

english, 2003

13

Photocurrent increment in organic solar cell with mixed solid of merocyanine and zinc porphyrin

Kohshin Takahashi, Masanori Higashi, Yoshihiro Tsuda, Takahiro Yamaguchi, Teruhisa Komura, Shoji Ito, Kazuhiko Murata

Journal:

Thin Solid Films

Année:

1998

Langue:

english

Fichier:

PDF, 344 KB

english, 1998

14

Sensitization effect by porphyrin in polythiophene/perylene dye two-layer solar cells

Kohshin Takahashi, Ikuo Nakajima, Kiyoaki Imoto, Takahiro Yamaguchi, Teruhisa Komura, Kazuhiko Murata

Journal:

Solar Energy Materials and Solar Cells

Année:

2003

Langue:

english

Fichier:

PDF, 207 KB

english, 2003

15

Enhanced quantum yield in porphyrin/electron-donor double-layer solar cells

Kohshin Takahashi, Seiichiro Nakatani, Takahiro Yamaguchi, Teruhisa Komura, Shoji Ito, Kazuhiko Murata

Journal:

Solar Energy Materials and Solar Cells

Année:

1997

Langue:

english

Fichier:

PDF, 606 KB

english, 1997

16

Catalytic epoxidation of cyclohexene by covalently linked manganese porphyrin–viologen complex

Yoshihiro Tsuda, Kohshin Takahashi, Takahiro Yamaguchi, Syuichi Matsui, Teruhisa Komura

Journal:

Journal of Molecular Catalysis A: Chemical

Année:

1998

Langue:

english

Fichier:

PDF, 247 KB

english, 1998

17

Dioxygen-activated reductive epoxidation of cyclohexene using Mn(III) porphyrin as catalyst and hexylviologen as electron mediator

Yoshihiro Tsuda, Kohshin Takahashi, Takahiro Yamaguchi, Syuichi Matsui, Teruhisa Komura, Ikuzo Nishiguchi

Journal:

Journal of Molecular Catalysis A: Chemical

Année:

1999

Langue:

english

Fichier:

PDF, 189 KB

english, 1999

18

Highly selective epoxidation of cyclohexene by reductive activation of molecular dioxygen using hexylviologen as catalyst

Yoshihiro Tsuda, Syuichi Matsui, Kohshin Takahashi

Journal:

Journal of Molecular Catalysis A: Chemical

Année:

1999

Langue:

english

Fichier:

PDF, 134 KB

english, 1999

19

Oxygen reduction at negatively charged iron porphyrins heat-treated and bridged by alkaline-earth metal ions

Takahiro Yamaguchi, Kengo Tsukamoto, Osamu Ikeda, Ryotaro Tanaka, Takayuki Kuwabara, Kohshin Takahashi

Journal:

Electrochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 987 KB

english, 2010

20

Electrochemical characteristics of viologen carboxylic acid derivatives assembled onto Au electrode as a synthetic receptor for electron-rich compounds

Takahiro Yamaguchi, Kohshin Takahashi, Teruhisa Komura

Journal:

Electrochimica Acta

Année:

2001

Langue:

english

Fichier:

PDF, 217 KB

english, 2001

21

Photoinduced electron transfer from porphyrin to C60 in a C60|porphyrin double-layer photoelectrochemical cell

Kohshin Takahashi, Katuyoshi Etoh, Yoshihiro Tsuda, Takahiro Yamaguchi, Teruhisa Komura, Shoji Ito, Kazuhiko Murata

Journal:

Journal of Electroanalytical Chemistry

Année:

1997

Langue:

english

Fichier:

PDF, 765 KB

english, 1997

22

Synthesis and Characterization of Thieno[3,4-b]thiophene-Based Copolymers Bearing 4-Substituted Phenyl Ester Pendants: Facile Fine-Tuning of HOMO Energy Levels

Yamamoto, Tomoyuki, Ikai, Tomoyuki, Kuzuba, Mitsuhiro, Kuwabara, Takayuki, Maeda, Katsuhiro, Takahashi, Kohshin, Kanoh, Shigeyoshi

Journal:

Année:

2011

Langue:

english

Fichier:

PDF, 1.04 MB

english, 2011

23

Flexible inverted polymer solar cells on polyethylene terephthalate substrate containing zinc oxide electron-collection-layer prepared by novel sol–gel method and low-temperature treatments

Takayuki Kuwabara, Tomoaki Nakashima, Takahiro Yamaguchi, Kohshin Takahashi

Journal:

Organic Electronics

Année:

2012

Langue:

english

Fichier:

PDF, 713 KB

english, 2012

24

Mechanistic Insights into UV-Induced Electron Transfer from PCBM to Titanium Oxide in Inverted-Type Organic Thin Film Solar Cells Using AC Impedance Spectroscopy

Kuwabara, Takayuki, Iwata, Chiaki, Yamaguchi, Takahiro, Takahashi, Kohshin

Journal:

ACS Applied Materials & Interfaces

Année:

2010

Langue:

english

Fichier:

PDF, 2.09 MB

english, 2010

25

Porphyrin dye-sensitization of polythiophene in a conjugated polymer/TiO2 p–n hetero-junction solar cell

Kohshin Takahashi, Youhei Takano, Takahiro Yamaguchi, Jun-ichi Nakamura, Chiho Yokoe, Kazuhiko Murata

Journal:

Synthetic Metals

Année:

2005

Langue:

english

Fichier:

PDF, 258 KB

english, 2005

26

Organic solid-state solar cells with a mixture of monomeric porphyrins for light-harvesting and regioregular polythiophene for charge transport

Kohshin Takahashi, Takayoshi Iwanaga, Takahiro Yamaguchi, Teruhisa Komura, Kazuhiko Murata

Journal:

Synthetic Metals

Année:

2001

Langue:

english

Fichier:

PDF, 125 KB

english, 2001

27

Characterization of water-soluble externally HCl-doped conducting polyaniline

Kohshin Takahashi, Kunihiro Nakamura, Takahiro Yamaguchi, Teruhisa Komura, Shoji Ito, Ryuji Aizawa, Kazuhiko Murata

Journal:

Synthetic Metals

Année:

2002

Langue:

english

Fichier:

PDF, 194 KB

english, 2002

28

Enhanced photocurrent by Schottky-barrier solar cell composed of regioregular polythiophene with merocyanine dye

Kohshin Takahashi, Kazunori Tsuji, Kiyoaki Imoto, Takahiro Yamaguchi, Teruhisa Komura, Kazuhiko Murata

Journal:

Synthetic Metals

Année:

2002

Langue:

english

Fichier:

PDF, 215 KB

english, 2002

29

Simple synthesis of water-soluble conducting polyaniline

Shoji Ito, Kazuhiko Murata, Seiichi Teshima, Ryuji Aizawa, Yoshinobu Asako, Kohshin Takahashi, Brian M. Hoffman

Journal:

Synthetic Metals

Année:

1998

Langue:

english

Fichier:

PDF, 273 KB

english, 1998

30

Synthesis of seleno[3,4-c]pyrrole-4,6-dione-based polymers for polymer solar cells

Tomoyuki Ikai, A.K.M. Fakhrul Azam, Mitsuhiro Kuzuba, Takayuki Kuwabara, Katsuhiro Maeda, Kohshin Takahashi, Shigeyoshi Kanoh

Journal:

Synthetic Metals

Année:

2012

Langue:

english

Fichier:

PDF, 482 KB

english, 2012

31

Sensitization Effect of Porphyrin Dye on the Photocurrent of Al/Polythiophene Schottky-Barrier Cells

Takahashi, Kohshin, Asano, Madoka, Imoto, Kiyoaki, Yamaguchi, Takahiro, Komura, Teruhisa, Nakamura, Jyun-ichi, Murata, Kazuhiko

Journal:

Journal of Physical Chemistry B

Année:

2003

Langue:

english

Fichier:

PDF, 315 KB

english, 2003

32

Enhanced Photocurrent Quantum Yield by Electronic Interaction between Zinc Porphyrin and Rhodamine B Molecules in Al/Dye/Au Sandwich-Type Solar Cell

Takahashi, Kohshin, Nakamura, Jyun-ichi, Yamaguchi, Takahiro, Komura, Teruhisa, Ito, Shoji, Murata, Kazuhiko

Journal:

Journal of Physical Chemistry B

Année:

1997

Langue:

english

Fichier:

PDF, 250 KB

english, 1997

33

Effect of UV light irradiation on photovoltaic characteristics of inverted polymer solar cells containing sol–gel zinc oxide electron collection layer

Kuwabara, Takayuki, Tamai, Chika, Omura, Yoshihiro, Yamaguchi, Takahiro, Taima, Tetsuya, Takahashi, Kohshin

Journal:

Organic Electronics

Année:

2013

Langue:

english

Fichier:

PDF, 751 KB

english, 2013

34

Characterization of Inverted-Type Organic Solar Cells with a ZnO Layer as the Electron Collection Electrode by ac Impedance Spectroscopy

Kuwabara, Takayuki, Kawahara, Yoshitaka, Yamaguchi, Takahiro, Takahashi, Kohshin

Journal:

ACS Applied Materials & Interfaces

Année:

2009

Langue:

english

Fichier:

PDF, 778 KB

english, 2009

35

Relation between carrier mobility and cell performance in bulk heterojunction solar cells consisting of soluble polythiophene and fullerene derivatives

Nakamura, Jun-ichi, Murata, Kazuhiko, Takahashi, Kohshin

Journal:

Applied Physics Letters

Année:

2005

Langue:

english

Fichier:

PDF, 333 KB

english, 2005

36

Fullerene acceptor for improving open-circuit voltage in inverted organic photovoltaic devices without accompanying decrease in short-circuit current density

Matsuo, Yutaka, Hatano, Junichi, Kuwabara, Takayuki, Takahashi, Kohshin

Journal:

Applied Physics Letters

Année:

2012

Langue:

english

Fichier:

PDF, 549 KB

english, 2012

37

Factors Affecting the Performance of Bifacial Inverted Polymer Solar Cells with a Thick Photoactive Layer

Kuwabara, Takayuki, Omura, Yoshihiro, Yamaguchi, Takahiro, Taima, Tetsuya, Kohshin, Takahashi, Higashimine, Koichi, Vohra, Varun, Murata, Hideyuki

Journal:

The Journal of Physical Chemistry C

Année:

2014

Langue:

english

Fichier:

PDF, 2.23 MB

english, 2014

38

Enhanced Photocurrent in Al/Porphyrin Schottky Barrier Cell with Heterodimer Consisting of Metal-Free Porphyrin and Zinc Porphyrin

Takahashi, Kohshin, Goda, Tadashi, Yamaguchi, Takahiro, Komura, Teruhisa, Murata, Kazuhiko

Journal:

Journal of Physical Chemistry B

Année:

1999

Langue:

english

Fichier:

PDF, 113 KB

english, 1999

39

Epoxidation of cyclohexene with active oxygen species produced by reducing dioxygen in the presence of Br− ion

Tsuda, Yoshihiro, Matsui, Syuichi, Takahashi, Kohshin

Journal:

Journal of the Chemical Society Perkin Transactions 2

Année:

1999

Langue:

english

Fichier:

PDF, 209 KB

english, 1999

40

Long-lived excited state of C60 in C60/phthalocyanine heterojunction solar cell

Murata, Kazuhiko, Ito, Shoji, Takahashi, Kohshin, Hoffman, Brian M.

Journal:

Applied Physics Letters

Année:

1996

Langue:

english

Fichier:

PDF, 366 KB

english, 1996

41

A Sharp Photocurrent Enhancement in Photoelectrochemical Cells with a Photocathode Sensitized by Dye Films of Rhodamine-$\bf C_{18}$ and Methylviolet-$\bf C_{18}$ Prepared by Langmuir-Blodgett Techniques

Fernando, Annesly Nandana, Kitagawa, Akio, MasakuniSuzuki,, Takahashi, Kohshin, TeruhisaKomura,

Journal:

Japanese Journal of Applied Physics

Année:

1995

Fichier:

PDF, 815 KB

1995

42

Characterization of ZnS-layer-inserted bulk-heterojunction organic solar cells by ac impedance spectroscopy

Kuwabara, Takayuki, Nakamoto, Masayuki, Kawahara, Yoshitaka, Yamaguchi, Takahiro, Takahashi, Kohshin

Journal:

Journal of Applied Physics

Année:

2009

Langue:

english

Fichier:

PDF, 767 KB

english, 2009

43

Efficient organic solar cells by penetration of conjugated polymers into perylene pigments

Nakamura, Jun-ichi, Yokoe, Chiho, Murata, Kazuhiko, Takahashi, Kohshin

Journal:

Journal of Applied Physics

Année:

2004

Langue:

english

Fichier:

PDF, 431 KB

english, 2004

44

Thieno[3,4-b]thiophene–benzo[1,2-b:4,5-b′]dithiophene-based polymers bearing optically pure 2-ethylhexyl pendants: Synthesis and application in polymer solar cells

Ikai, Tomoyuki, Kojima, Ryotaro, Katori, Sinji, Yamamoto, Tomoyuki, Kuwabara, Takayuki, Maeda, Katsuhiro, Takahashi, Kohshin, Kanoh, Shigeyoshi

Journal:

Année:

2015

Langue:

english

Fichier:

PDF, 2.81 MB

english, 2015

45

Electrocatalytic activity of electrodeposited cobalt oxide films to produce oxygen gas from water

Kuwabara, Takayuki, Nishizawa, Bungo, Nakamura, Kenta, Ikeda, Yasuo, Yamaguchi, Takahiro, Takahashi, Kohshin

Journal:

Journal of Electroanalytical Chemistry

Année:

2015

Langue:

english

Fichier:

PDF, 1.21 MB

english, 2015

46

Photocurrent from photocorrosion of aluminum electrode in porphyrin/Al Schottky-barrier cells

Murata, Kazuhiko, Ito, Shoji, Takahashi, Kohshin, Hoffman, Brian M.

Journal:

Applied Physics Letters

Année:

1997

Langue:

english

Fichier:

PDF, 259 KB

english, 1997

47

Mechanistic Investigation into the Light Soaking Effect Observed in Inverted Polymer Solar Cells Containing Chemical Bath Deposited Titanium Oxide

Kuwabara, Takayuki, Yano, Katsuhiro, Yamaguchi, Takahiro, Taima, Tetsuya, Takahashi, Kohshin, Son, Donghyun, Marumoto, Kazuhiro

Journal:

The Journal of Physical Chemistry C

Année:

2015

Langue:

english

Fichier:

PDF, 1.37 MB

english, 2015

48

Influence of 4-fluorophenyl pendants in thieno[3,4-b]thiophene-benzo[1,2-b:4,5-b′]dithiophene-based polymers on the performance of photovoltaics

Yamamoto, Tomoyuki, Ikai, Tomoyuki, Katori, Shinji, Kuwabara, Takayuki, Maeda, Katsuhiro, Koganezawa, Tomoyuki, Takahashi, Kohshin, Kanoh, Shigeyoshi

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Année:

2015

Langue:

english

Fichier:

PDF, 633 KB

english, 2015

49

Contribution of Electric-Field-Induced Metal-Free Porphyrin Dication to Photocurrent in Mixed Solid of Metal-Free Porphyrin and o-Chloranil/Al Schottky-Barrier Cell

Takahashi, Kohshin

Journal:

Journal of The Electrochemical Society

Année:

1999

Langue:

english

Fichier:

PDF, 278 KB

english, 1999

50

SPIE Proceedings [SPIE SPIE OPTO - San Francisco, California, United States (Saturday 1 February 2014)] Organic Photonic Materials and Devices XVI - Efficient small-molecule photovoltaic cells using nanostructured template

Tabor, Christopher E., Kajzar, François, Kaino, Toshikuni, Koike, Yasuhiro, Taima, Tetsuya, Zhou, Ying, Kuwabara, Takayuki, Takahashi, Kohshin

Année:

2014

Langue:

english

Fichier:

PDF, 384 KB

english, 2014