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Tsuyoshi Asahi

Tsuyoshi Asahi

D-Index & Metrics

Chemistry

D-Index
49
Citations
8088
World Ranking
14884
National Ranking
1163

Overview

Tsuyoshi Asahi is affiliated with Ehime University in Japan and has contributed extensively to the field of Materials Science, with a particular focus on Materials Chemistry. Their research spans several subfields including Biomedical Engineering, Electronic, Optical and Magnetic Materials, Physical and Theoretical Chemistry, and Molecular Biology.

The scientist's main topics of study include:

  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Luminescence and Fluorescent Materials
  • Advanced biosensing and bioanalysis techniques
  • Biosensors and Analytical Detection
  • Porphyrin and Phthalocyanine Chemistry

Asahi has published frequently in several academic venues, most notably:

  • The Cambridge Structural Database (20 publications)
  • The Journal of Physical Chemistry C (4 publications)
  • RSC Advances (3 publications)
  • Chemical Science (2 publications)
  • Angewandte Chemie International Edition (1 publication)

Frequent collaborators include Yukihide Ishibashi (34 coauthored works), Hiromitsu Maeda (24), Yohei Haketa (23), Yoichi Kobayashi (14), and Nobuhiro Yasuda (14).

Selected recent papers by Tsuyoshi Asahi are:

  • "Ion-pairing π-electronic systems: ordered arrangement and noncovalent interactions of negatively charged porphyrins," 2021, Chemical Science
  • "Charge-Segregated Stacking Structure with Anisotropic Electric Conductivity in NIR-Absorbing and Emitting Positively Charged π-Electronic Systems," 2022, Angewandte Chemie International Edition
  • "Molecular detection using aptamer-modified gold nanoparticles with an immobilized DNA brush for the prevention of non-specific aggregation," 2021, RSC Advances
  • "Nanosecond laser photothermal effect-triggered amplification of photochromic reactions in diarylethene nanoparticles," 2020, Chemical Communications
  • "Effect of DNA density immobilized on gold nanoparticles on nucleic acid detection," 2023, RSC Advances

Best Publications

  • Charge Carrier Dynamics of Standard TiO2 Catalysts Revealed by Femtosecond Diffuse Reflectance Spectroscopy

    Akihiro Furube;Tsuyoshi Asahi;Hiroshi Masuhara;Hiromi Yamashita

  • The bell-shaped energy gap dependence of the charge recombination reaction of geminate radical ion pairs produced by fluorescence quenching reaction in acetonitrile solution

    Noboru Mataga;Tsuyoshi Asahi;Yu Kanda;Tadashi Okada

  • Charge recombination process of ion pair state produced by excitation of charge-transfer complex in acetonitrile solution. Essentially different character of its energy gap dependence from that of geminate ion pair formed by encounter between fluorescer and quencher

    Tsuyoshi Asahi;Noboru Mataga

  • Design, Synthesis, Structural and Nonlinear Optical Properties of Photochromic Crystals: Toward Reversible Molecular Switches

    Michel Sliwa;Sylvie Létard;Isabelle Malfant;Martine Nierlich

  • Intramolecular photoinduced charge separation and charge recombination of the product ion pair states of a series of fixed-distance dyads of porphyrins and quinones: energy gap and temperature dependences of the rate constants

    Tsuyoshi Asahi;Masaya Ohkohchi;Ryohzi Matsusaka;Noboru Mataga

  • Laser Fabrication and Spectroscopy of Organic Nanoparticles

    T. Asahi;T. Sugiyama;H. Masuhara;H. Masuhara

  • Femtosecond-picosecond laser photolysis studies on the dynamics of excited charge-transfer complexes : aromatic hydrocarbon-acid anhydride, -tetracyanoethylene, and -tetracyanoquinodimethane systems in acetonitrile solutions

    Tsuyoshi Asahi;Noboru Mataga

  • Geometry dependence of intramolecular photoinduced electron transfer in synthetic zinc-ferric hybrid diporphyrins

    Atsuhiro Osuka;Kazuhiro Maruyama;Noboru Mataga;Tsuyoshi Asahi

  • Direct observation of a picosecond charge separation process in photoexcited platinum-loaded TiO2 particles by femtosecond diffuse reflectance spectroscopy

    Akihiro Furube;Tsuyoshi Asahi;Hiroshi Masuhara;Hiromi Yamashita

  • Nanoparticle formation of vanadyl phthalocyanine by laser ablation of its crystalline powder in a poor solvent

    Yoshiaki Tamaki;Tsuyoshi Asahi;Hiroshi Masuhara

  • 1,2-Phenylene-bridged diporphyrin linked with porphyrin monomer and pyromellitimide as a model for a photosynthetic reaction center: synthesis and photoinduced charge separation

    Atsuhiro Osuka;Satoshi Nakajima;Kazuhiro Maruyama;Noboru Mataga

  • Activation of plasmons and polarons in solar control cesium tungsten bronze and reduced tungsten oxide nanoparticles

    Kenji Adachi;Tsuyoshi Asahi

  • Absorption and scattering of near-infrared light by dispersed lanthanum hexaboride nanoparticles for solar control filters

    Kenji Adachi;Mitsunobu Miratsu;Tsuyoshi Asahi

  • Single Particle Spectroscopic Investigation on the Interaction between Exciton Transition of Cyanine Dye J-Aggregates and Localized Surface Plasmon Polarization of Gold Nanoparticles

    Takayuki Uwada;Ryo Toyota;Hiroshi Masuhara;Tsuyoshi Asahi

  • Energy gap dependences of charge recombination processes of ion pairs produced by excitation of charge-transfer complexes: solvent polarity effects

    Tsuyoshi Asahi;Masaya Ohkohchi;Noboru Mataga

  • Hot Electron Relaxation Dynamics of Gold Nanoparticles Embedded in MgSO4 Powder Compared To Solution: The Effect of the Surrounding Medium

    Stephan Link;Akihiro Furube;Akihiro Furube;Mona B. Mohamed;Tsuyoshi Asahi

  • Single molecule spectroscopy of organic dye nanoparticles.

    Andre J. Gesquiere;Takayuki Uwada;Tsuyoshi Asahi;Hiroshi Masuhara

  • Tailoring nanoparticles of aromatic and dye molecules by excimer laser irradiation

    Yoshiaki Tamaki;Tsuyoshi Asahi;Hiroshi Masuhara

  • Photoinduced electron-transfer reactions of porphyrin heteroaggregates: energy gap dependence of an intradimer charge recombination process

    Hiroshi Segawa;Chie Takehara;Kenichi Honda;Takeo Shimidzu

  • Synthesis and photoexcited-state dynamics of aromatic group-bridged carotenoid-porphyrin dyads and carotenoid-porphyrin-pyromellitimide triads

    Atsuhiro Osuka;Hiroko Yamada;Kazuhiro Maruyama;Noboru Mataga

Frequent Co-Authors

Hiroshi Masuhara
Hiroshi Masuhara National Yang Ming Chiao Tung University
Atsuhiro Osuka
Atsuhiro Osuka Kyoto University
Kazuhiro Maruyama
Kazuhiro Maruyama Kyoto University
Akihiro Furube
Akihiro Furube University of Tokushima
Hiroshi Miyasaka
Hiroshi Miyasaka Osaka University
Noboru Mataga
Noboru Mataga Osaka University
Iwao Yamazaki
Iwao Yamazaki Hokkaido University
Keitaro Nakatani
Keitaro Nakatani University of Paris-Saclay
Seiya Kobatake
Seiya Kobatake Osaka Metropolitan University
Tamitake Itoh
Tamitake Itoh National Institute of Advanced Industrial Science and Technology

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