Takakazu Yamamoto

Takakazu Yamamoto publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Takakazu Yamamoto sits on this spectrum.

Takakazu Yamamoto D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Takakazu Yamamoto sits on this spectrum.

Overview

Best Publications

• .pi.-Conjugated Poly(pyridine-2,5-diyl), Poly(2,2'-bipyridine-5,5'-diyl), and Their Alkyl Derivatives. Preparation, Linear Structure, Function as a Ligand to Form Their Transition Metal Complexes, Catalytic Reactions, n-Type Electrically Conducting Properties, Optical Properties, and Alignment on Substrates

  Takakazu Yamamoto;Tsukasa Maruyama;Zhen-Hua Zhou;Takayori Ito

  652
  Citations

• Preparation of π-conjugated poly(thiophene-2,5-diyl), poly(p-phenylene), and related polymers using zerovalent nickel complexes. Linear structure and properties of the π-conjugated polymers

  Takakazu Yamamoto;Atsushi Morita;Yuichi Miyazaki;Tsukasa Maruyama

  619
  Citations

• Preparation of thermostable and electric-conducting poly(2,5-thienylene)

  Takakazu Yamamoto;Kenichi Sanechika;Akio Yamamoto

  550
  Citations

• A Novel Type of Polycondensation Utilizing Transition Metal-Catalyzed C–C Coupling. I. Preparation of Thermostable Polyphenylene Type Polymers

  Takakazu Yamamoto;Yasuhiro Hayashi;Akio Yamamoto

  513
  Citations

• Organo (dipyridyl) nickel complexes. I. Stability and activation of the alkyl-nickel bonds of dialkyl (dipyridyl) nickel by coordination with various substituted olefins

  Takakazu Yamamoto;Akio Yamamoto;Sakuji Ikeda

  436
  Citations

• Extensive studies on pi-stacking of poly(3-alkylthiophene-2,5-diyl)s and poly(4-alkylthiazole-2,5-diyl)s by optical spectroscopy, NMR analysis, light scattering analysis, and X-ray crystallography

  Unknown

  410
  Citations

• Preparation and characterization of poly(thienylene)s.

  Takakazu Yamamoto;Ken-ichi Sanechika;Akio Yamamoto

  290
  Citations

• Mechanism of CC coupling reactions of aromatic halides, promoted by Ni(COD)2 in the presence of 2,2′-bipyridine and PPh3, to give biaryls

  Takakazu Yamamoto;Shoichiro Wakabayashi;Kohtaro Osakada

  287
  Citations

• Preparation of New Electron-Accepting π-Conjugated Polyquinoxalines. Chemical and Electrochemical Reduction, Electrically Conducting Properties, and Use in Light-Emitting Diodes

  Takakazu Yamamoto;Kiyoshi Sugiyama;Takashi Kushida;Tetsuji Inoue

  283
  Citations

• Palladium-catalyzed double carbonylation of aryl halides to give .alpha.-keto amides. Mechanistic studies

  Fumiyuki Ozawa;Hidehiko Soyama;Hisayoshi Yanagihara;Issei Aoyama

  257
  Citations

• π-Conjugated Donor−Acceptor Copolymers Constituted of π-Excessive and π-Deficient Arylene Units. Optical and Electrochemical Properties in Relation to CT Structure of the Polymer

  Unknown

  248
  Citations

• Rechargeable Zn∣ZnSO4∣MnO2-type cells

  Takakazu Yamamoto;Takayuki Shoji

  217
  Citations

• A novel type of polycondensation of polyhalogenated organic aromatic compounds producing thermostable polyphenylene type polymers promoted by nickel complexes.

  Takakazu Yamamoto;Akio Yamamoto

  195
  Citations

• Palladium catalyzed C−C coupling for synthesis of π-conjugated polymers composed of arylene and ethynylene units

  Kenichi Sanechika;Takakazu Yamamoto;Akio Yamamoto

  189
  Citations

• Zinc-manganese dioxide galvanic cell using zinc sulphate as electrolyte. Rechargeability of the cell

  Takayuki Shoji;Masakazu Hishinuma;Takakazu Yamamoto

  188
  Citations

• New coplanar (ABA)n-type donor-acceptor π-conjugated copolymers constituted of alkylthiophene (unit A) and pyridazine (unit B): Synthesis using hexamethylditin, self-organized solid structure, and optical and electrochemical properties of the copolymers

  Takuma Yasuda;Yoshimasa Sakai;Shinji Aramaki;Takakazu Yamamoto

  181
  Citations

• Catalytic double carbonylation of organohalogen compounds promoted by palladium complexes

  Fumiyuki Ozawa;Hidehiko Soyma;Takakazu Yamamoto;Akio Yamamoto

  180
  Citations

• .pi.-Conjugated Soluble Poly(aryleneethynylene) Type Polymers. Preparation by Palladium-Catalyzed Coupling Reaction, Nonlinear Optical Properties, Doping, and Chemical Reactivity

  Takakazu Yamamoto;Wataru Yamada;Masakazu Takagi;Kenichi Kizu

  180
  Citations

• Electrically conducting and thermally stable π-conjugated poly(arylene)s prepared by organometallic processes

  Unknown

  179
  Citations

• Mechanisms of double and single carbonylation reactions of aryl iodides catalyzed by palladium complexes to give .alpha.-keto esters and esters

  Fumiyuki. Ozawa;Nobuo. Kawasaki;Hidekazu. Okamoto;Takakazu. Yamamoto

  171
  Citations

• AN ASSOCIATIVE MECHANISM FOR REDUCTIVE ELIMINATION OF D8 NIR2(PR3)2

  K. Tatsumi;A. Nakamura;S. Komiya;A. Yamamoto

  162
  Citations

• π-Conjugated and Light Emitting Poly(4,4‘-dialkyl-2,2‘-bithiazole-5,5‘-diyl)s and Their Analogues Comprised of Electron-Accepting Five-Membered Rings. Preparation, Regioregular Structure, Face-to-Face Stacking, and Electrochemical and Optical Properties

  Takakazu Yamamoto;Hajime Suganuma;Tsukasa Maruyama;Tetsushi Inoue

  155
  Citations

• Interaction of palladium(0) complexes with allylic acetates, allyl ethers, allyl phenyl chalcogenides, allylic alcohols, and allylamines. Oxidative addition, condensation, disproportionation, and .pi.-complex formation

  Takakazu Yamamoto;Mitsuru Akimoto;Osamu Saito;Akio Yamamoto

  154
  Citations