2023
Highly Stable Tin Iodide Perovskites Synthesized in Ambient Aqueous Phase
using Alkali Iodides and Ascorbic Acid
Koji Yokoyama, Shun Yokoyama, Hideyuki Takahashi
2023 MRS Fall Meeting
ポスター発表、2023年11月
Bandgap Optimization by Cu Doping of Ag-In Halide Double Perovskites for
Photovoltaic Applications
Shunnosuke Ikegaya, Koji Yokoyama, Shun Yokoyama, Hideyuki Takahashi
2023 MRS Fall Meeting
ポスター発表、2023年11月
Aqueous Synthesis of Copper Plates Based on Anisotropic Growth of Copper
Crystals with Bromide Ions
Yusaku Noda, Shun Yokoyama, Hideyuki Takahashi
2023 MRS Fall Meeting
ポスター発表、2023年11月
Fabrication of Cu-Ag core-shell nanowire films as transparent conductive
films based on environment-friendly manner for ITO-free perovskite solar
cells
Shun Yokoyama, Hiromi Koga, Koji Yokoyama, Hideyuki Takahashi
12th International Colloids Conference
ポスター発表、2023年6月
Synthesis and morphological control of Fe metal particles by controlling
the metal complex condition in basic solution
Hideyuki Takahashi, Koji Yokoyama, Yuma Araya, Tomokazu Asakura, Shoichi
Kumon, Kimitaka Sato, Shun Yokoyama
2023 ECS Spring Meeting
ポスター発表、2023年5月
2020
Water phase synthesis method of CuInS2 nanoparticles and its application
for photovoltaic device
Hideyuki Takahashi, Mitsuo Goto, Shun Yokoyama
2020 ECS fall meeting
ポスター発表(オンライン)、2020年10月
Platinum Recycling for Synthesis of Pt-Based Electrocatalysts
T. Nakamoto, S. Yokoyama, H. Takahashi
ACS Spring 2020 National Meeting & Expo
ポスター発表(オンライン)、2020年5月
2019
Rapid Synthesis of Copper Nanowires with High Aspect Ratios in Ascorbic
Acid Aqueous Solution
Hiroki Oikawa , Shun Yokoyama , Kenichi Motomiya , Hideyuki Takahashi
2019 MRS Fall Meeting
ポスター発表、2019年12月
Synthesis of Ga-Doped ZnO Nanocrystals Using Esterification Reaction for
High-Performance Transparent Conductive Films
遠藤拓也，横山俊，本宮憲一，高橋英志
2019 MRS Fall Meeting
ポスター発表、2019年12月
Development of Morphology Control Method of Coating Layer Utilizing the
Ligand Interaction between Iron Particle Surface and Buffer Solution
Yuki Asano, Akira Kishimoto, Takahiro Ito, Masanobu Kawata, Shun Yokoyama,
Hideyuki Takahashi
236th ECS Meeting
ポスター発表、2019年10月
Synthesis of highly active electrocatalysts from recycling intermediate
T. Nakamoto, R. Seki, K. Motomiya, S. Yokoyama, K. Tohji, and H. Takahashi
Asian Pacific Confederation of Chemical Engineering 2019
ポスター発表+ショートコミュニケーション、2019年9月
Interconnection between Material Synthesis and Recycling Process for Enhanced
Sustainability of Platinum
T. Nakamoto, R. Seki, K. Motomiya, S. Yokoyama, K. Tohji, and H. Takahashi
Asian Pacific Confederation of Chemical Engineering 2019
ポスター発表+ショートコミュニケーション、2019年9月
Morphology-Controlled Pt Alloy Nanoparticles for Oxygen Reduction Reaction
T. Nakamoto, R. Seki, S. Yokoyama, S. Tsuchida, H. Takahashi, K. Tohji
235th ECS Meeting
ポスター発表、2019年5月
2018
Formation of CZTS Absorber by Heat Treatment of Copper Tape Plated with
Zinc and Tin via Electrodeposition for CZTS Solar Cells
Hugo Erawan, Shun Yokoyama, Hideyuki Takahashi, Kazuyuki Tohji
AiMES 2018 (Cancun)
ポスター発表、2018年10月
Synthesis of CuInS2 Compound Solar Cell Nanoparticles in an Aqueous Solution
By Controlling the Concentration of Metal Complexes
Kohei Sato, Shun Yokoyama, Hideyuki Takahashi, Kazuyuki Tohji
AiMES 2018 (Cancun)
ポスター発表、2018年10月
2017
MWO4/Pt/CdS (M=Co, Ni, Zn) artificial solid Z-Scheme system for effective
photocatalytic H2 generation
Mingjie Li, Shun Yokoyama, Hideyuki Takahashi, Kazuyuki Tohji
5th Nano Today Conference
ポスター発表、2017年12月
Low cost synthesis of Cu-Pt core-shell nanoparticles for fuel cell catalysts
T. Nakamoto, S. Tsuchida, R. Seki, Y. Ueyama, S. Yokoyama, H. Takahashi,
K. Tohji
5th Nano Today Conference
ポスター発表、2017年12月
Relationship Between the Condition and Activity of NiS and/or Ni Co-Catalyst
on CdS Photo-Catalysts Surface
Morihiro Iwama, Kozo Shinoda, Shun Yokoyama, Hideyuki Takahashi, Kazuyuki
Tohji
SQU-Chemistry Conference(2017): Green and Sustainable Chemistry
ポスター発表、2017年11月
Development of aqueous phase Fe nanoparticle synthesis method and its application
for bonding material
Katsuya Ushita, Shun Yokoyama, Hideyuki Takahashi, Kazuyuki Tohji
SQU-Chemistry Conference(2017): Green and Sustainable Chemistry
ポスター発表、2017年11月
Crystal Size Effect of Nanostructured Bi2Te3 on Thermoelectric Properties
Tatsuichiro NAKAMOTO, Shun YOKOYAMA, Kenichi MOTOMIYA, Koichi HARATA, Hideyuki
TAKAHASHI, Kazuyuki TOHJI
9th International Conference on Materials for Advanced Technologies
ポスター発表、2017年6月
2016
Development of effective extraction process of insoluble Sb species in
urban mine by controlling the metal complexes condition -Relationship between
the local structure of Sb in urban mine and the condition of Sb complexes
in Sb-tartaric acid-OH aqueous system-"
Hideyuki Takahashi, Shunya Ueno, Shun Yokoyama, Kazuyuki Tohji
230th Meeting of The Electrochemical Society
ポスター発表、2016年10月
Synthesis of CIGS(Cu(In,Ga)Se2) photovoltaic materials in an aqueous solution
for the printable solar cell application
高城 雅樹, 横山 俊, 高橋 英志, 田路 和幸
230th Meeting of The Electrochemical Society
ポスター発表、2016年10月
Synthesis of Oxidation-Resistnat Copper Nanoparticles for Fabricating Conductive
Patterns in Aqueous Solution
鈴木一平, 横山俊, 高橋英志, 田路和幸
230th Meeting of The Electrochemical Society
ポスター発表、2016年10月
Aqueous phase synthesis of Cu/Pt core-shell nanoparticles supported on
carbon black by controlling Cu and Pt complexes for a PEFC cathode catalyst
照井洋輔,横山俊,高橋英志,田路和幸,土田修三,関良平,谷口泰士,上山康博
230th Meeting of The Electrochemical Society
ポスター発表、2016年10月
2015
Basic study to synthesize binary, ternary and quaternary tin sulfide semiconductor
nanoparticles in aqueous solution
Takashi Mabuchi, Shun Yokoyama, Hideyuki Takahashi, Kazuyuki Tohji
The International Chemical Congress of Pacific Basin Societies 2015
口頭発表、2015年12月
Synthesis of Sn-Bi-Te tertiary thermoelectric alloy nanoparticles by controlling
the metal complexes condition in aqueous solution
今冴登、横山俊、高橋英志、田路和幸
The International Chemical Congress of Pacific Basin Societies 2015
ポスター発表、2015年12月
Effective recovery process of insoluble Sb in urban mine by controlling
the metal complexes condition in Sb-tartaric acid-OH aqueous system
上野峻矢、横山俊、篠田弘造、高橋英志、田路和幸
The International Chemical Congress of Pacific Basin Societies 2015
ポスター発表、2015年12月
Development of hydrometallurgical recovery process of antimony by controlling
the metal complexes condition in Sb-Cl-OH aqueous solution system
上野峻矢、横山俊、篠田弘造、高橋英志、田路和幸
The International Chemical Congress of Pacific Basin Societies 2015
口頭発表、2015年12月
High Young’s Modulus, Flexible Multi-Walled Carbon Nanotube Fibers Produced
by De-fluorination
Hikaru Nishizaka, Yoshinori Sato, Kazutaka Hirano, Yohinori Sato, Tatsuhiro
Yabune, Motomiya Kenichi and Kazuyuki Tohji
2nd Edition Nanotech Dubai 2015 International Conference and Exibition
口頭発表、2015年3月
Evaluation of the flexibility of carbon nanotube fibers with high Young’s
modulus
Hikaru Nishizaka, Yoshinori Sato, Kazutaka Hirano, Yohinori Sato, Motomiya
Kenichi and Kazuyuki Tohji
The Energy and Materials Research Conference 2015
ポスター発表、2015年2月
2014
Properties of sulfuric acid-baced electric double layer capacitors with
single-walled carbon nanotube electrodes by in situ Raman scattering spectroscopy
and AC impedance spectroscopy.
Daiki Mabuchi, Shinichi Ogino, Yoshinori Sato, Takashi Itoh, Kazuyuki Tohji
Materials Today Asia 2014
ポスター発表、2014年12月
Alternative Effect of Transition Metal Sulfides against to Noble Metals
for Photo-Decomposition of Hydrogen Sulfide
伊藤康友、横山俊、高橋英志、田路和幸
MRS Fall Meeting 2014
ポスター発表、2014年12月
Activity and Stability of Ni Co-Catalyst on CdS Photocatalysts under Sulfurized
Condition
伊藤康友、横山俊、高橋英志、田路和幸
MRS Fall Meeting 2014
ポスター発表、2014年12月
Study for Relationship between Thermoelectric Properties and Size of Bismuth
Telluride (Bi2Te3) Nanoparticles Synthesized in Aqueous Solution
佐藤恵太、横山俊、高橋英志、田路和幸
MRS Fall Meeting 2014
ポスター発表、2014年12月
Development of the Particle Size Control Method for Cu-In Alloy Particles
and it’s Application for CIS (CuInSe2) Solar Cell
Hironari Fujiki, Shun Yokoyama, Takayuki Kai, Hideyuki Takahashi, Kazuyuki
Tohji
MRS Fall Meeting 2014
ポスター発表、2014年12月
Synthesis of Cu-In alloy Nanoparticles by Using Chemical Reduction Method
in Aqueous Solution
Hironari Fujiki, Shun Yokoyama, Hideyuki Takahashi, Kazuyuki Tohji
MRS Fall Meeting 2014
ポスター発表、2014年12月
Aqueous phase synthesis of CuIn alloy nanoparticles and its application
for CIGS solar cell
Hideyuki Takahashi, Hironari Fujiki, Shun Yokoyama, Kazuyuki Tohji
226th Meeting of The Electrochemical Society
ポスター発表、2014年10月
Slip inhibition between graphenes by de-fluorination of fluorinated multi-walled
carbon nanotubes
Hikaru Nishizaka, Yoshinori Sato, Kazutaka Hirano, Tatsuhiro Yabune, Motomiya
Kenichi, Kazuyuki Tohji
Fifteenth International Conference on the Science and Application of Nanotubes
ポスター発表、2014年6月
Synthesis of Cu-In alloy (CuIn and Cu2In) nanoparticles in aqueous solution
for the application of CIGS solar cell
Hironari Fujiki, Shun Yokoyama, Hideyuki Takahashi, Kazuyuki Tohji
225th Meeting of The Electrochemical Society
ポスター発表、2014年5月
2013
Photo-thermo electric power of single-walled carbon nanotube films
榊原甫，佐藤義倫，伊野浩介，伊藤暁彦，末永智一，後藤孝，本宮憲一, 田路和幸
3rd nanotoday 2013 conference
ポスター発表、2013年12月
Tensile strength of individual multi-walled carbon nanotube constituting
MWCNT fiber
Hideaki Suzuki, Yoshinori Sato, Go Yamamoto, Kenichi Motomiya, Toshiyuki
Hashida, Kazuyuki Tohji
3rd nanotoday 2013 conference
ポスター発表、2013年12月
Influence of ascorbic acid on the synthesis of nanostructured Bi2Te3 at
an aqueous chemical reduction method.
Shun Yokoyama1, Keita Sato1, Itoh Takashi2, Hideyuki Takahashi1 and Kazuyuki
Tohji1
2013 MRS fall meetings
ポスター発表、2013年12月
Control of the reduction potential of Cu by the restrict control of complexes
in aqueous solution to synthesize CIGS alloy nano materials
Hideyuki Takahashi, Hironari Fujiki, Shun Yokoyama, Kazuyuki Tohji
2013 MRS fall meetings
ポスター発表、2013年12月
Bactericidal Mechanisms of Stratified ZnS Photocatalysts and ZnO Nanoparticles
Yoshiki Suito, Shun Yokoyama, Hideyuki Takahashi, Koichi Suto, Chihiro
Inoue, Kazuyuki Tohji
224th Meeting of The Electrochemical Society
ポスター発表、2013年10月
Application of Stratified ZnS Photocatalysts against to the Water Clarification
Materials
Yoshiki Suito, Shun Yokoyama, Hideyuki Takahashi, Koichi Suto, Chihiro
Inoue, Kazuyuki Tohji
224th Meeting of The Electrochemical Society
ポスター発表、2013年10月
Improvement of photo-carrier transport efficiency from the semiconductor
particles to electrode by using organic carrier transport materials
Takashi Mabuchi, Shun Yokoyama, Norihiro Shimoi, Hideyuki Takahashi, Kazuyuki
Tohji
224th Meeting of The Electrochemical Society
ポスター発表、2013年10月
Basic study for the construction of wet solar cell using CdS photocatalysts,
Na2S4 electrolyte, and inorganic photo-carrier transport materials
Takashi Mabuchi, Shun Yokoyama, Norihiro Shimoi, Hideyuki Takahashi, Kazuyuki
Tohji
224th Meeting of The Electrochemical Society
ポスター発表、2013年10月
Separation of Redox Site by Utilizing the Nanostructure of ZnS Stratified
Photocatalysts
小林祥大, 横山俊, 高橋英志, 田路和幸
224th Meeting of The Electrochemical Society
ポスター発表、2013年10月
Redox Site Separation Effects for Photocatalytic Activity Using ZnS Stratified
Photocatalysts
小林祥大, 横山俊, 高橋英志, 田路和幸
224th Meeting of The Electrochemical Society
ポスター発表、2013年10月
Evaluation method of reliable specific strength of ultra-light MWCNT fiber
based on uncertainty
Hikaru Nishizaka, Yoshinori Sato, Motomiya Kenichi, Kazuyuki Tohji
The 6th International Symposium of Environmental Leaders
口頭発表、2013年10月
Evaluation of specific strength of ultimate thin MWCNT fiber based on uncertainty
Hikaru Nishizaka, Yoshinori Sato, Motomiya Kenichi, Kazuyuki Tohji
International Symposium of Chemical-Environmental-Biomedical Technology
2013, The 5th International Symposium of Environmental Leaders
ポスター発表、2013年9月