D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Materials Science D-index 65 Citations 13,574 378 World Ranking 2358 National Ranking 120
Chemistry D-index 74 Citations 19,074 539 World Ranking 2084 National Ranking 132

Overview

What is he best known for?

The fields of study he is best known for:

  • Organic chemistry
  • Catalysis
  • Oxygen

Takakazu Yamamoto mainly investigates Polymer chemistry, Polymer, Condensation polymer, Organic chemistry and Nickel. Takakazu Yamamoto interconnects Copolymer, Palladium, Conjugated system, Thiophene and Alkyl in the investigation of issues within Polymer chemistry. His study in Palladium is interdisciplinary in nature, drawing from both Aryl, Carbonylation, Double carbonylation and Medicinal chemistry.

His Polymer research incorporates themes from Absorption, Electron acceptor and Solubility. His work deals with themes such as Arylene, Poly, Side chain, Halogenation and Infrared spectroscopy, which intersect with Condensation polymer. His study on Nickel also encompasses disciplines like

  • Oxidative addition which is related to area like Allylic rearrangement,
  • Triphenylphosphine, which have a strong connection to Ether.

His most cited work include:

  • 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 (411 citations)
  • .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 (358 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 (357 citations)

What are the main themes of his work throughout his whole career to date?

The scientist’s investigation covers issues in Polymer chemistry, Polymer, Organic chemistry, Medicinal chemistry and Condensation polymer. His Polymer chemistry research incorporates elements of Copolymer, Polymerization, Conjugated system, Thiophene and Catalysis. His Conjugated system research is multidisciplinary, relying on both Absorption and Pyridine.

His Polymer study also includes fields such as

  • Electrochemistry which intersects with area such as Inorganic chemistry,
  • Molecule and related Crystallography. Takakazu Yamamoto has included themes like Palladium, Ligand, Stereochemistry, Aryl and Reductive elimination in his Medicinal chemistry study. His research on Condensation polymer frequently links to adjacent areas such as Monomer.

He most often published in these fields:

  • Polymer chemistry (49.13%)
  • Polymer (31.34%)
  • Organic chemistry (20.47%)

What were the highlights of his more recent work (between 2003-2015)?

  • Polymer chemistry (49.13%)
  • Polymer (31.34%)
  • Conjugated system (16.22%)

In recent papers he was focusing on the following fields of study:

Takakazu Yamamoto spends much of his time researching Polymer chemistry, Polymer, Conjugated system, Condensation polymer and Copolymer. His research in Polymer chemistry intersects with topics in Thiophene, Organic chemistry, Alkyl, Electrochemistry and Monomer. His Polymer research also works with subjects such as

  • Photoluminescence together with Photochemistry,
  • Molecule which connect with Crystallography.

Takakazu Yamamoto focuses mostly in the field of Conjugated system, narrowing it down to matters related to Optoelectronics and, in some cases, Thin film. His Condensation polymer study incorporates themes from Molar mass distribution, Ring, Intrinsic viscosity and Nickel. His research integrates issues of Quantum yield, Phenylene, Catalysis and Pyrrole in his study of Copolymer.

Between 2003 and 2015, his most popular works were:

  • 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 (112 citations)
  • Alignment and Field-Effect Transistor Behavior of an Alternative π-Conjugated Copolymer of Thiophene and 4-Alkylthiazole (78 citations)
  • Twist glass transition in regioregulated poly(3-alkylthiophene) (69 citations)

In his most recent research, the most cited papers focused on:

  • Organic chemistry
  • Catalysis
  • Oxygen

Takakazu Yamamoto focuses on Polymer chemistry, Polymer, Conjugated system, Condensation polymer and Copolymer. His Polymer chemistry study combines topics from a wide range of disciplines, such as Thiophene, Alkyl, Quantum yield, Cyclic voltammetry and Monomer. His Polymer research is multidisciplinary, incorporating elements of Absorption, Molecule and Catalysis.

His Conjugated system research includes themes of Arylene, Thermal stability and Polymerization. His research investigates the connection between Condensation polymer and topics such as Nickel that intersect with issues in Palladium, Crystallographic data, Schiff base, Triphenylphosphine and Poly. His Copolymer research integrates issues from Phenylene and Electrochemistry.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

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

Takakazu Yamamoto;Dharma Komarudin;Minoru Arai;Bang-Lin Lee.
Journal of the American Chemical Society (1998)

644 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.
Macromolecules (1992)

546 Citations

.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.
Journal of the American Chemical Society (1994)

546 Citations

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

Takakazu Yamamoto;Kenichi Sanechika;Akio Yamamoto.
Journal of Polymer Science: Polymer Letters Edition (1980)

494 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.
Bulletin of the Chemical Society of Japan (1978)

450 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.
Journal of the American Chemical Society (1971)

415 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

Takakazu Yamamoto;† Zhen-hua Zhou;Takaki Kanbara;Masaki Shimura.
Journal of the American Chemical Society (1996)

409 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.
Journal of the American Chemical Society (1996)

275 Citations

Preparation and characterization of poly(thienylene)s.

Takakazu Yamamoto;Ken-ichi Sanechika;Akio Yamamoto.
Bulletin of the Chemical Society of Japan (1983)

269 Citations

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

Fumiyuki Ozawa;Hidehiko Soyama;Hisayoshi Yanagihara;Issei Aoyama.
Journal of the American Chemical Society (1985)

221 Citations

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