Koichi Iwata

(岩田耕一)

Profile Information

Affiliation: Professor, Faculty of Science, Department of Chemistry, Faculty of Science Department of Chemistry, Gakushuin University

Degree: (BLANK)(The University of Tokyo)

J-GLOBAL ID: 200901030161773730
researchmap Member ID: 1000255661

External link: https://www-cc.gakushuin.ac.jp/~20040130/index.htm

Research Interests

Research Areas

Nanotechnology/Materials / Basic physical chemistry /

Research History

Professor, Gakushuin University Faculty of Science, Department of Chemistry

Awards

Papers

Femtosecond Time-resolved Near-infrared Spectroscopy of Oligothiophenes and Polythiophene: Energy Location and Effective Conjugation Length of Their Low-lying Excited States

Shunnosuke Okino, Tomohisa Takaya, Koichi Iwata

CHEMISTRY LETTERS, 44(8) 1059-1061, Aug, 2015 Peer-reviewed
Rapid microstructure characterization of polymer thin films with 2D-array multifocus Raman microspectroscopy

Ashok Zachariah Samuel, Sohshi Yabumoto, Kenichi Kawamura, Koichi Iwata

ANALYST, 140(6) 1847-1851, 2015 Peer-reviewed
Viscosity Heterogeneity inside Lipid Bilayers of Single-Component Phosphatidylcholine Liposomes Observed with Picosecond Time-Resolved Fluorescence Spectroscopy

Yuki Nojima, Koichi Iwata

JOURNAL OF PHYSICAL CHEMISTRY B, 118(29) 8631-8641, Jul, 2014 Peer-reviewed
Relaxation Mechanism of beta-Carotene from S-2 (1B(u)(+)) State to Si (2A(g)(-)) State: Femtosecond Time-Resolved Near-IR Absorption and Stimulated Resonance Raman Studies in 900-1550 nm Region

Tomohisa Takaya, Koichi Iwata

JOURNAL OF PHYSICAL CHEMISTRY A, 118(23) 4071-4078, Jun, 2014 Peer-reviewed
Ultrafast bimolecular radical reaction between S1 p-terphenyl and carbon tetrachloride: mode-specific acceleration of vibrational dephasing in reactant molecule

Koichi Iwata

JOURNAL OF RAMAN SPECTROSCOPY, 39(11) 1512-1517, Nov, 2008 Peer-reviewed

Misc.

Control of Electron Flow Direction in Photoexcited Cycloplatinated Complex Containing Conjugated Polymer-Single-Walled Carbon Nanotube Hybrids

Wenjuan Xiong, Lili Du, Kin Cheung Lo, Haiting Shi, Tomohisa Takaya, Koichi Iwata, Wai Kin Chan, David Lee Phillips

JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 9(14) 3819-3824, Jul, 2018
Excited-State Dynamics of Pyrene Incorporated into Poly(substituted methylene)s: Effects of Dense Packing of Pyrenes on Excimer Formation

Tomohisa Takaya, Tatsuya Oda, Yuki Shibazaki, Yumiko Hayashi, Hiroaki Shimomoto, Eiji Ihara, Yukihide Ishibashi, Tsuyoshi Asahi, Koichi Iwata

MACROMOLECULES, 51(14) 5430-5439, Jul, 2018
The effect of regioisomerism on the photophysical properties of alkylated-naphthalene liquids

B. Narayan, K. Nagura, T. Takaya, K. Iwata, A. Shinohara, H. Shinmori, H. Wang, Q. Li, X. Sun, H. Li, S. Ishihara, T. Nakanishi

Physical Chemistry Chemical Physics, 20(5) 2970-2975, Feb 7, 2018
Novel physical chemistry approaches in biophysical researches with advanced application of lasers: Detection and manipulation

Koichi Iwata, Masahide Terazima, Hiroshi Masuhara

Biochimica et Biophysica Acta - General Subjects, 1862(2) 335-357, Feb 1, 2018
Vibrational relaxation dynamics of b-carotene and its derivatives with substituents on terminal rings in electronically excited states as studied by femtosecond time-resolved stimulated Raman spectroscopy in the near-IR region

Tomohisa Takaya, Masato Anan, Koichi Iwata

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 20(5) 3320-3327, Feb, 2018

Presentations

““Loose Electrons” Examined with Femtosecond Time-Resolved Near-Infrared Spsectroscopy - Solvated Electron and TiO2 Single Crystals”

12th Trombay Symposium on Radiation and Photochemistry (TSRP-2014), IT-15, Bhabha Atomic Research Centre, Mumbai, India, 2014
“Basic processes of chemical reactions studied with picosecond time-resolved Raman spectroscopy and femtosecond time-resolved near-IR spectroscopy”

The First Taiwan International Symposium on Raman Spectroscopy, IL-2, National Chiao Tung University, Hsinchu, Taiwan, 2013
“How to measure a Raman spectrum...?”

Taiwan Association of Raman Spectroscopy Summer Camp, Hsinchu, Taiwan, 2013
“Basic Processes in Chemical Reactions Examined with Time-resolved Vibrational Spectroscopy”

Seventh International Conference on Advanced Vibrational Spectroscopy (ICAVS7), PL-4(Plenary Lecture), Kobe Convention Center, Kobe, Japan, 2013
“Photocarrier Dynamics in TiO2 Single Crystals Studied with Femtosecond Time-resolved Near-infrared Spectroscopy”

2013 Korea - Japan Symposium on Frontier Photoscience (KJFP-2013), Invited Lecture 50, Hoam Faculty House, Seoul National University, Seoul , Korea, 2013

Professional Memberships

Works

Research Projects

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