Tomokazu Umeyama: search on Z-Library

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1

Cleaner synthesis and systematical characterization of sustainable poly(isosorbide-co-ethylene terephthalate) by environ-benign and highly active catalysts

Li, Xin-Gui, Song, Ge, Huang, Mei-Rong, Ohara, Tomoya, Yamada, Hiroki, Umeyama, Tomokazu, Higashino, Tomohiro, Imahori, Hiroshi

Journal:

Journal of Cleaner Production

Year:

2019

Language:

english

File:

PDF, 2.99 MB

english, 2019

2

Analysis of Sputtering Damage on I-V Curves for Perovskite Solar Cells and Simulation with Reversed Diode Model

Kanda, Hiroyuki, Uzum, Abdullah, Baranwal, Ajay Kumar, Peiris, Nirmal T. A., Umeyama, Tomokazu, Imahori, Hiroshi, Segawa, Hiroshi, Miyasaka, Tsutomu, Ito, Seigo

Journal:

The Journal of Physical Chemistry C

Year:

2016

Language:

english

File:

PDF, 1.55 MB

english, 2016

3

Formation and Photodynamic Behavior of Transition Metal Dichalcogenide Nanosheet-Fullerene Inorganic-Organic Nanohybrids on Semiconducting Electrodes

Baek, Jinseok, Umeyama, Tomokazu, Choi, Wookjin, Tsutsui, Yusuke, Yamada, Hiroki, Seki, Shu, Imahori, Hiroshi

Journal:

Chemistry - A European Journal

Year:

2017

Language:

english

File:

PDF, 49.93 MB

english, 2017

4

Unique cohesive nature of the β 1 -isomer of [70]PCBM fullerene on structures and photovoltaic performances of bulk heterojunction films with PffBT4T-2OD polymers

Umeyama, Tomokazu, Igarashi, Kensho, Sakamaki, Daisuke, Seki, Shu, Imahori, Hiroshi

Journal:

Chemical Communications

Year:

2018

Language:

english

File:

PDF, 1.78 MB

english, 2018

5

Development of clean performance-tunable waterborne polyurethane using acetyl tributyl citrate for transferable holographic films

Li, Xin-Gui, Xie, Yun-Bin, Huang, Mei-Rong, Umeyama, Tomokazu, Imahori, Hiroshi

Journal:

Journal of Cleaner Production

Year:

2021

File:

PDF, 4.37 MB

2021

6

Segregated Donor–Acceptor Columns in Liquid Crystals That Exhibit Highly Efficient Ambipolar Charge Transport

Hayashi, Hironobu, Nihashi, Wataru, Umeyama, Tomokazu, Matano, Yoshihiro, Seki, Shu, Shimizu, Yo, Imahori, Hiroshi

Journal:

Journal of the American Chemical Society

Year:

2011

Language:

english

File:

PDF, 783 KB

english, 2011

7

Synthesis of Poly(cyclodiborazane)s Bearing a Disilanylene Unit and Their Optical and Electrochemical Properties

Matsumi, Noriyoshi, Umeyama, Tomokazu, Chujo, Yoshiki

Journal:

Year:

2001

Language:

english

File:

PDF, 37 KB

english, 2001

8

Occurrence of photoinduced charge separation by the modulation of the electronic coupling between pyrene dimers and chemically converted graphenes

Umeyama, Tomokazu, Baek, Jinseok, Mihara, Junya, Tkachenko, Nikolai V., Imahori, Hiroshi

Journal:

Chemical Communications

Year:

2017

Language:

english

File:

PDF, 1.74 MB

english, 2017

9

Efficient Exciton Diffusion in Micrometer-Sized Domains of Nanographene-Based Nonfullerene Acceptors with Long Exciton Lifetimes in Blend Films with Conjugated Polymer

Umeyama, Tomokazu, Igarashi, Kensho, Sasada, Daiki, Ishida, Keiichi, Koganezawa, Tomoyuki, Ohtani, Shunsuke, Tanaka, Kazuo, Imahori, Hiroshi

Journal:

ACS Applied Materials & Interfaces

Year:

2020

File:

PDF, 1.63 MB

2020

10

Donor−Acceptor Nanoarchitecture on Semiconducting Electrodes for Solar Energy Conversion

Imahori, Hiroshi, Umeyama, Tomokazu

Journal:

The Journal of Physical Chemistry C

Year:

2009

Language:

english

File:

PDF, 4.66 MB

english, 2009

11

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:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2007

Language:

english

File:

PDF, 232 KB

english, 2007

12

An efficient electron transport material of tin oxide for planar structure perovskite solar cells

Murugadoss, Govindhasamy, Kanda, Hiroyuki, Tanaka, Soichiro, Nishino, Hitoshi, Ito, Seigo, Imahoric, Hiroshi, Umeyama, Tomokazu

Journal:

Journal of Power Sources

Year:

2016

Language:

english

File:

PDF, 1.58 MB

english, 2016

13

Good Solvent Effects of C 70 Cluster Formations and Their Electron-Transporting and Photoelectrochemical Properties †

Tezuka, Noriyasu, Umeyama, Tomokazu, Matano, Yoshihiro, Shishido, Tetsuya, Kawasaki, Mitsuo, Nishi, Masayuki, Hirao, Kazuyuki, Lehtivuori, Heli, Tkachenko, Nikolai V., Lemmetyinen, Helge, Honsho, Yosh

Journal:

Journal of Physical Chemistry B

Year:

2010

Language:

english

File:

PDF, 1.73 MB

english, 2010

14

Synthesis and Isolation of cis -2 Regiospecific Ethylene-Tethered Indene Dimer–[70]Fullerene Adduct for Polymer Solar Cell Applications

Tao, Ran, Umeyama, Tomokazu, Higashino, Tomohiro, Koganezawa, Tomoyuki, Imahori, Hiroshi

Journal:

ACS Applied Materials & Interfaces

Year:

2015

Language:

english

File:

PDF, 3.36 MB

english, 2015

15

[AIP WOMEN IN PHYSICS: Third IUPAP International Conference on Women in Physics - Seoul (South Korea) (8–10 October 2008)] AIP Conference Proceedings - Preparation of Covalently Modified Single-Walled Carbon Nanotubes with Controlled Functionalization Ratio and Their Structural and Photophysical Properties (abstract)

Umeyama, Tomokazu, Tezuka, Noriyasu, Matano, Yoshihiro, Imahori, Hiroshi, Hartline, Beverly Karplus, Horton, Renee K., Kaicher, Catherine M.

Year:

2009

Language:

english

File:

PDF, 107 KB

english, 2009

16

A chemical approach to perovskite solar cells: control of electron-transporting mesoporous TiO 2 and utilization of nanocarbon materials

Umeyama, Tomokazu, Imahori, Hiroshi

Journal:

Dalton Transactions

Year:

2017

Language:

english

File:

PDF, 2.15 MB

english, 2017

17

Unique Tube-Ring Interactions: Complexation of Single-Walled Carbon Nanotubes with Cycloparaphenyleneacetylenes

Miki, Koji, Saiki, Kenzo, Umeyama, Tomokazu, Baek, Jinseok, Noda, Takeru, Imahori, Hiroshi, Sato, Yuta, Suenaga, Kazu, Ohe, Kouichi

Journal:

Year:

2018

Language:

english

File:

PDF, 3.88 MB

english, 2018

18

Self-assembling porphyrins and phthalocyanines for photoinduced charge separation and charge transport

Imahori, Hiroshi, Umeyama, Tomokazu, Kurotobi, Kei, Takano, Yuta

Journal:

Chemical Communications

Year:

2012

Language:

english

File:

PDF, 2.07 MB

english, 2012

19

Synthesis of low bandgap polymers based on thienoquinodimethane units and their applications in bulk heterojunction solar cells

Umeyama, Tomokazu, Watanabe, Yusuke, Oodoi, Masaaki, Evgenia, Douvogianni, Shishido, Tetsuya, Imahori, Hiroshi

Journal:

Journal of Materials Chemistry

Year:

2012

Language:

english

File:

PDF, 333 KB

english, 2012

20

Synthesis and Properties of Alternating Acceptor−Donor π-Conjugated Copolymers of Cyclodiborazane with Dithiafulvene

Naka, Kensuke, Umeyama, Tomokazu, Chujo, Yoshiki

Journal:

Year:

2000

Language:

english

File:

PDF, 62 KB

english, 2000

21

Molecular interactions on single-walled carbon nanotubes revealed by high-resolution transmission microscopy

Umeyama, Tomokazu, Baek, Jinseok, Sato, Yuta, Suenaga, Kazu, Abou-Chahine, Fawzi, Tkachenko, Nikolai V., Lemmetyinen, Helge, Imahori, Hiroshi

Journal:

Nature Communications

Year:

2015

Language:

english

File:

PDF, 1.58 MB

english, 2015

22

Long-Range Observation of Exciplex Formation and Decay Mediated by One-Dimensional Bridges

Baek, Jinseok, Umeyama, Tomokazu, Stranius, Kati, Yamada, Hiroki, Tkachenko, Nikolai V., Imahori, Hiroshi

Journal:

The Journal of Physical Chemistry C

Year:

2017

Language:

english

File:

PDF, 1.79 MB

english, 2017

23

Biochemical and Immunohistochemical Demonstration of Metallothionein in the Rat Prostate

Umeyama, Tomokazu, Saruki, Kazuhisa, Imai, Kyouichi, Yamanaka, Hidetoshi, Kimura, Masami, Nakajima, Katsuyuki

Journal:

The Journal of Urology

Year:

1987

Language:

english

File:

PDF, 52 KB

english, 1987

24

Effective role of eco-friendly acetyl tributyl citrate in large-scale catalyst-free synthesis of waterborne polyurethanes without volatile organic compounds

Li, Xin-Gui, Xie, Yun-Bin, Huang, Mei-Rong, Umeyama, Tomokazu, Ohara, Tomoya, Imahori, Hiroshi

Journal:

Journal of Cleaner Production

Year:

2019

Language:

english

File:

PDF, 2.14 MB

english, 2019

25

Substituent Effects of Porphyrins on Structures and Photophysical Properties of Amphiphilic Porphyrin Aggregates

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

Journal:

Journal of Physical Chemistry B

Year:

2008

Language:

english

File:

PDF, 647 KB

english, 2008

26

Electron Transfer Cascade by Organic/Inorganic Ternary Composites of Porphyrin, Zinc Oxide Nanoparticles, and Reduced Graphene Oxide on a Tin Oxide Electrode that Exhibits Efficient Photocurrent Generation

Hayashi, Hironobu, Lightcap, Ian V., Tsujimoto, Masahiko, Takano, Mikio, Umeyama, Tomokazu, Kamat, Prashant V., Imahori, Hiroshi

Journal:

Journal of the American Chemical Society

Year:

2011

Language:

english

File:

PDF, 3.10 MB

english, 2011

27

Effects of Electrode Structure on Photoelectrochemical Properties of ZnO Electrodes Modified with Porphyrin−Fullerene Composite Layers with an Intervening Fullerene Monolayer

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

Journal:

The Journal of Physical Chemistry C

Year:

2009

Language:

english

File:

PDF, 1.13 MB

english, 2009

28

Density Functional Theory Studies on Chemical Functionalization of Single-Walled Carbon Nanotubes by Bingel Reaction

Umeyama, Tomokazu, Fueno, Hiroyuki, Kawabata, Eisuke, Kobayashi, Yoshikazu, Tanaka, Kazuyoshi, Tezuka, Noriyasu, Matano, Yoshihiro, Imahori, Hiroshi

Journal:

Bulletin of the Chemical Society of Japan

Year:

2011

Language:

english

File:

PDF, 594 KB

english, 2011

29

Sustained photodynamic effect of single chirality-enriched single-walled carbon nanotubes

Fukuda, Ryosuke, Umeyama, Tomokazu, Tsujimoto, Masahiko, Ishidate, Fumiyoshi, Tanaka, Takeshi, Kataura, Hiromichi, Imahori, Hiroshi, Murakami, Tatsuya

Journal:

Year:

2020

File:

PDF, 2.16 MB

2020

30

Carbon Nanotube Wiring of Donor–Acceptor Nanograins by Self-Assembly and Efficient Charge Transport

Dr. Tomokazu Umeyama, Noriyasu Tezuka, Fumiaki Kawashima, Prof. Dr. Shu Seki, Prof. Dr. Yoshihiro Matano, Dr. Yoshihide Nakao, Prof. Dr. Tetsuya Shishido, Dr. Masayuki Nishi, Prof. Dr. Kazuyuki Hirao,

Journal:

Angewandte Chemie International Edition

Year:

2011

Language:

english

File:

PDF, 481 KB

english, 2011

31

Self-Organization of Porphyrins and Fullerenes for Molecular Photoelectrochemical Devices

Tomokazu Umeyama, Hiroshi Imahori

Journal:

Photosynthesis Research

Year:

2006

Language:

english

File:

PDF, 507 KB

english, 2006

32

Carbon nanotube-modified electrodes for solar energy conversion

Umeyama, Tomokazu, Imahori, Hiroshi

Journal:

Energy & Environmental Science

Year:

2008

Language:

english

File:

PDF, 1.68 MB

english, 2008

33

Synthesis of sterically hindered phthalocyanines and their applications to dye-sensitized solar cells

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

Journal:

Dalton Transactions

Year:

2008

Language:

english

File:

PDF, 342 KB

english, 2008

34

π-Conjugated Poly(cyclodiborazane)s with Intramolecular Charge Transferred Structure

Matsumi, Noriyoshi, Umeyama, Tomokazu, Chujo, Yoshiki

Journal:

Year:

2000

Language:

english

File:

PDF, 100 KB

english, 2000

35

Noncovalent Functionalization of FewâLayered Antimonene with Fullerene Clusters and Photoinduced Charge Separation in the Composite

Umeyama, Tomokazu, Ohara, Tomoya, Tsutsui, Yusuke, Nakano, Shota, Seki, Shu, Imahori, Hiroshi

Journal:

Chemistry (Weinheim an der Bergstrasse, Germany)

Year:

2020

File:

PDF, 5.17 MB

2020

36

Naphthyl-Fused π-Elongated Porphyrins for Dye-Sensitized TiO 2 Cells

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

Journal:

The Journal of Physical Chemistry C

Year:

2008

Language:

english

File:

PDF, 429 KB

english, 2008

37

Photofunctional Hybrid Nanocarbon Materials

Umeyama, Tomokazu, Imahori, Hiroshi

Journal:

The Journal of Physical Chemistry C

Year:

2013

Language:

english

File:

PDF, 737 KB

english, 2013

38

A Photoelectrochemical Device with a Nanostructured SnO 2 Electrode Modified with Composite Clusters of Porphyrin-Modified Silica Nanoparticle and Fullerene

Imahori, Hiroshi, Mitamura, Keigo, Shibano, Yuki, Umeyama, Tomokazu, Matano, Yoshihiro, Yoshida, Kaname, Isoda, Seiji, Araki, Yasuyuki, Ito, Osamu

Journal:

Journal of Physical Chemistry B

Year:

2006

Language:

english

File:

PDF, 360 KB

english, 2006

39

Effects of Fullerene Substituents on Structure and Photoelectrochemical Properties of Fullerene Nanoclusters Electrophoretically Deposited on Nanostructured SnO 2 Electrodes

Hotta, Hiroki, Kang, Soonchul, Umeyama, Tomokazu, Matano, Yoshihiro, Yoshida, Kaname, Isoda, Seiji, Imahori, Hiroshi

Journal:

Journal of Physical Chemistry B

Year:

2005

Language:

english

File:

PDF, 231 KB

english, 2005

40

Effects of dihydronaphthyl-based [60]fullerene bisadduct regioisomers on polymer solar cell performance

Kitaura, Shinji, Kurotobi, Kei, Sato, Maki, Takano, Yuta, Umeyama, Tomokazu, Imahori, Hiroshi

Journal:

Chemical Communications

Year:

2012

Language:

english

File:

PDF, 1.05 MB

english, 2012

41

Comparison of Electrode Structures and Photovoltaic Properties of Porphyrin-Sensitized Solar Cells with TiO2 and Nb, Ge, Zr-Added TiO2 Composite Electrodes

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

Journal:

Year:

2006

Language:

english

File:

PDF, 190 KB

english, 2006

42

Photothermal ablation of tumor cells using a single-walled carbon nanotube–peptide composite

Hashida, Yasuhiko, Tanaka, Hironori, Zhou, Shuwen, Kawakami, Shigeru, Yamashita, Fumiyoshi, Murakami, Tatsuya, Umeyama, Tomokazu, Imahori, Hiroshi, Hashida, Mitsuru

Journal:

Journal of Controlled Release

Year:

2014

Language:

english

File:

PDF, 2.29 MB

english, 2014

43

Blend films of an amorphous conjugated polymer and a thermal precursor fullerene: effects of annealing temperatures on film structures and photovoltaic properties

Umeyama, Tomokazu, Shibata, Sho, Imahori, Hiroshi

Journal:

Year:

2016

Language:

english

File:

PDF, 704 KB

english, 2016

44

Glassy Porphyrin/C 60 Composites: Morphological Engineering of C 60 Fullerene with Liquefied Porphyrins

Morisue, Mitsuhiko, Saito, Genki, Sasada, Daiki, Umeyama, Tomokazu, Imahori, Hiroshi, Mitamura, Koji, Masunaga, Hiroyasu, Hoshino, Taiki, Sakurai, Shinichi, Sasaki, Sono

Journal:

Year:

2020

File:

PDF, 3.83 MB

2020

45

Bisquinoxaline-Fused Porphyrins for Dye-Sensitized Solar Cells

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

Journal:

Year:

2011

Language:

english

File:

PDF, 365 KB

english, 2011

46

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

Journal:

Chemistry – An Asian Journal

Year:

2008

Language:

english

File:

PDF, 393 KB

english, 2008

47

Effects of meso -Diarylamino Group of Porphyrins as Sensitizers in Dye-Sensitized Solar Cells on Optical, Electrochemical, and Photovoltaic Properties

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

Journal:

The Journal of Physical Chemistry C

Year:

2010

Language:

english

File:

PDF, 1.10 MB

english, 2010

48

Radical Terpolymerization of Organoarsenic Homocycle, Phenylacetylene, and Vinyl or Butadienyl Monomers

Umeyama, Tomokazu, Naka, Kensuke, Chujo, Yoshiki

Journal:

Year:

2004

Language:

english

File:

PDF, 146 KB

english, 2004

49

Large Reorganization Energy of Pyrrolidine-Substituted Perylenediimide in Electron Transfer

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

Journal:

The Journal of Physical Chemistry C

Year:

2007

Language:

english

File:

PDF, 249 KB

english, 2007

50

Renal Autotransplantation for Localized Amyloidosis of the Ureter

Yazaki, Tsunetada, Iizumi, Tatsuo, Ogawa, Yoshihide, Takeshima, Hitoshi, Umeyama, Tomokazu, Nemoto, Ryosuke, Rinsho, Kenji, Takahashi, Shigeki, Kanoh, Shori, Kitagawa, Ryuichi

Journal:

The Journal of Urology

Year:

1982

Language:

english

File:

PDF, 118 KB

english, 1982

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