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Masa-aki Haga

Masa-aki Haga

D-Index & Metrics

Chemistry

D-Index
54
Citations
8143
World Ranking
12837
National Ranking
969

Research.com Recognitions

  • 2015 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Masa-aki Haga is affiliated with Chuo University in Japan. Their research spans multiple fields including chemistry, materials science, and engineering, with a particular focus on inorganic chemistry, materials chemistry, electrical and electronic engineering, and electrochemistry.

Their work extensively covers topics related to metal-organic frameworks (MOFs), electrocatalysts for energy conversion, and electrochemical analysis and applications. Other key research areas include conducting polymers, advanced battery technologies, polyoxometalates synthesis and applications, and molecular junctions and nanostructures.

Frequent coauthors in their publications include Mitsutoshi Ide, Nattapol Ma, Sarawoot Impeng, Sareeya Bureekaew, and Naoki Morozumi. The scientist has published in a range of venues, notably Electrochimica Acta, which features two of their articles, the Journal of the American Chemical Society, ACS Applied Electronic Materials, Inorganic Chemistry, and ChemElectroChem.

Recent publications by Masa-aki Haga include:

  • Photoexcited Anhydrous Proton Conductivity in Coordination Polymer Glass, 2023, Journal of the American Chemical Society
  • Three-phase electrochemistry of a highly lipophilic neutral ru-complex having tridentate bis(benzimidazolate)pyridine ligands, 2020, Electrochimica Acta
  • Regulation of Ion Transport in Prussian Blue MOF Films by a Ru-Complex Primer Nanolayer on an ITO Electrode and Its Energy Storage Application, 2021, ACS Applied Electronic Materials
  • Redox-Active Ruthenium-Organic Polyhedra with Tunable Surface Functionality and Porosities, 2024, Inorganic Chemistry
  • Electrochemical proton-coupled electron transfer processes to form neutral radicals of azaphenalenes: pKa values of protonated radicals, 2023, Electrochimica Acta

In 2015, Masa-aki Haga was honored as a Fellow of the American Association for the Advancement of Science (AAAS).

Best Publications

  • A photo-hydrogen-evolving molecular device driving visible-light-induced EDTA-reduction of water into molecular hydrogen.

    Hironobu Ozawa;Masa Aki Haga;Ken Sakai

  • Catechol-quinone redox series involving bis(bipyridine)ruthenium(II) and tetrakis(pyridine)ruthenium(II)

    Masaaki Haga;Elaine S. Dodsworth;A. B. P. Lever

  • Highly phosphorescent iridium complexes containing both tridentate bis(benzimidazolyl)-benzene or -pyridine and bidentate phenylpyridine: synthesis, photophysical properties, and theoretical study of Ir-bis(benzimidazolyl)benzene complex.

    Shinya Obara;Masumi Itabashi;Fumio Okuda;Satoru Tamaki

  • Construction of highly ordered lamellar nanostructures through Langmuir-Blodgett deposition of molecularly thin titania nanosheets tens of micrometers wide and their excellent dielectric properties.

    Kosho Akatsuka;Masa Aki Haga;Yasuo Ebina;Minoru Osada

  • Synthesis and protonation-deprotonation reactions of ruthenium(II) complexes containing 2, 2′-bibenzimidazole and related ligands

    Masa-Aki Haga

  • Proton-induced switching of metal-metal interactions in dinuclear ruthenium and osmium complexes bridged by 2,2'-bis(2-pyridyl)bibenzimidazole

    Masaaki Haga;Tomoaki Ano;Kenji Kano;Shin-Ichi Yamabe

  • Fabrication of Densely Packed Titania Nanosheet Films on Solid Surface by Use of Langmuir−Blodgett Deposition Method without Amphiphilic Additives

    Masaru Muramatsu;Kosho Akatsuka;Yasuo Ebina;Kezhi Wang

  • Syntheses and phosphorescent properties of blue emissive iridium complexes with tridentate pyrazolyl ligands.

    Lifen Yang;Fumio Okuda;Katsuaki Kobayashi;Koichi Nozaki

  • Proton-Induced Tuning of Electrochemical and Photophysical Properties in Mononuclear and Dinuclear Ruthenium Complexes Containing 2,2'-Bis(benzimidazol-2-yl)-4,4'-bipyridine: Synthesis, Molecular Structure, and Mixed-Valence State and Excited-State Properties.

    Masa-aki Haga;Md. Meser Ali;Shiro Koseki;Kaori Fujimoto

  • Syntheses, characterization, and photo-hydrogen-evolving properties of tris(2,2′-bipyridine)ruthenium(II) derivatives tethered to a cis-Pt(II)Cl2 unit: insights into the structure–activity relationship

    Hironobu Ozawa;Yuki Yokoyama;Masa Aki Haga;Ken Sakai

  • Syntheses and properties of emissive iridium(III) complexes with tridentate benzimidazole derivatives.

    Tomona Yutaka;Shinya Obara;Satoshi Ogawa;Koichi Nozaki

  • Fabrication and Placement of a Ring Structure of Nanoparticles by a Laser-Induced Micronanobubble on a Gold Surface

    Sho Fujii;Katsuhiko Kanaizuka;Shoichi Toyabe;Katsuaki Kobayashi

  • Fabrication and functions of surface nanomaterials based on multilayered or nanoarrayed assembly of metal complexes

    Masa-aki Haga;Katsuaki Kobayashi;Keiichi Terada

  • Bis(dioxolene)(bipyridine)ruthenium redox series

    A. B. P. Lever;Pamela R. Auburn;Elaine S. Dodsworth;Masa Aki. Haga

  • Tuning of redox potentials by introducing a cyclometalated bond to bis-tridentate ruthenium(II) complexes bearing bis(N-methylbenzimidazolyl)benzene or -pyridine ligands.

    Wen Wen Yang;Yu Wu Zhong;Shinpei Yoshikawa;Jiang Yang Shao

  • Prospects and Problems of Single Molecule Information Devices

    Yasuo Wada;Masaru Tsukada;Masamichi Fujihira;Kazumi Matsushige

  • Spectrophotometric and voltammetric characterization of complexes of bis(2,2'-bipyridine)(2,2'-bibenzimidazole)ruthenium and -osmium in oxidation states II, III, and IV in acetonitrile−water mixtures

    Alan M. Bond;Masa aki Haga

  • Molecular design of a proton-induced molecular switch based on rod-shaped Ru dinuclear complexes with bis-tridentate 2,6-bis(benzimidazol-2-yl)pyridine derivatives

    Masa-aki Haga;Tomohiro Takasugi;Akihiro Tomie;Masahide Ishizuya

  • Binuclear complexes of ruthenium and osmium bridged by 2,2'-bibenzimidazolate: preparation, electrochemistry, and formation of mixed-valence complexes

    Masaaki Haga;Takeko Matsumura-Inoue;Shinichi Yamabe

  • Proton‐Induced Switching of Electron Transfer Pathways in Dendrimer‐Type Tetranuclear RuOs3 Complexes

    Masa-aki Haga;Md. Meser Ali;Ryuichi Arakawa

Frequent Co-Authors

A. B. P. Lever
A. B. P. Lever York University
Ken Sakai
Ken Sakai Kyushu University
Ryuichi Arakawa
Ryuichi Arakawa Kansai University
Hideo Nagashima
Hideo Nagashima Kyushu University
Alan M. Bond
Alan M. Bond Monash University
Takayoshi Sasaki
Takayoshi Sasaki National Institute for Materials Science
Peter Broekmann
Peter Broekmann University of Bern
Richard Robson
Richard Robson University of Melbourne
Tomiki Ikeda
Tomiki Ikeda Chuo University
Yasuo Ebina
Yasuo Ebina National Institute for Materials Science

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