Youichi Sakamoto

4.3k total citations · 3 hit papers
34 papers, 3.8k citations indexed

About

Youichi Sakamoto is a scholar working on Electrical and Electronic Engineering, Organic Chemistry and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, Youichi Sakamoto has authored 34 papers receiving a total of 3.8k indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Electrical and Electronic Engineering, 15 papers in Organic Chemistry and 7 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in Youichi Sakamoto's work include Organic Electronics and Photovoltaics (20 papers), Synthesis and Properties of Aromatic Compounds (12 papers) and Molecular Junctions and Nanostructures (9 papers). Youichi Sakamoto is often cited by papers focused on Organic Electronics and Photovoltaics (20 papers), Synthesis and Properties of Aromatic Compounds (12 papers) and Molecular Junctions and Nanostructures (9 papers). Youichi Sakamoto collaborates with scholars based in Japan, United States and Germany. Youichi Sakamoto's co-authors include Toshiyasu Suzuki, Shizuo Tokito, Yasunori Taga, Masamichi Ikai, Youji Inoue, Fumio Satō, Masafumi Kobayashi, Shigeru Yamago, Takahiro Iwamoto and Yoshiki Watanabe and has published in prestigious journals such as Journal of the American Chemical Society, Angewandte Chemie International Edition and The Journal of Chemical Physics.

In The Last Decade

Youichi Sakamoto

33 papers receiving 3.8k citations

Hit Papers

Highly efficient phosphorescence from organic light-emitt... 2001 2026 2009 2017 2001 2004 2011 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Highly efficient phosphorescence from organic light-emitting devices with an exciton-block layer
    2001 700 citations Shizuo Tokito, Youichi Sakamoto et al. profile →
  2. Perfluoropentacene:  High-Performance p−n Junctions and Complementary Circuits with Pentacene
    2004 661 citations Youichi Sakamoto, Toshiyasu Suzuki et al. Journal of the American Chemical Society profile →
  3. Selective and Random Syntheses of [n]Cycloparaphenylenes (n = 8–13) and Size Dependence of Their Electronic Properties
    2011 469 citations Takahiro Iwamoto, Yoshiki Watanabe et al. Journal of the American Chemical Society profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Youichi Sakamoto Japan 22 2.4k 1.6k 1.5k 914 328 34 3.8k
V. Fattori Italy 36 3.7k 1.5× 2.2k 1.4× 778 0.5× 1.1k 1.3× 397 1.2× 92 4.4k
Massimo Cocchi Italy 36 3.7k 1.5× 2.4k 1.5× 941 0.6× 1.0k 1.1× 518 1.6× 81 4.5k
Nadine E. Gruhn United States 30 2.2k 0.9× 1.1k 0.7× 884 0.6× 712 0.8× 537 1.6× 72 3.6k
Begoña Milián‐Medina Spain 29 1.6k 0.7× 2.0k 1.3× 892 0.6× 506 0.6× 322 1.0× 54 3.2k
J. P. Calbert Belgium 14 2.6k 1.1× 1.2k 0.7× 530 0.4× 1.2k 1.3× 571 1.7× 16 3.3k
Sigurd Höger Germany 38 1.8k 0.7× 2.2k 1.4× 2.3k 1.6× 686 0.8× 350 1.1× 154 4.7k
Daniele Fazzi Italy 40 3.1k 1.3× 1.7k 1.1× 861 0.6× 2.1k 2.3× 280 0.9× 98 4.6k
Piétrick Hudhomme France 28 997 0.4× 1.1k 0.7× 1.1k 0.7× 504 0.6× 852 2.6× 100 2.7k
A.M. van de Craats Netherlands 18 1.5k 0.6× 1.4k 0.9× 810 0.6× 674 0.7× 1.4k 4.1× 27 3.0k
Masatoshi Kozaki Japan 31 1.2k 0.5× 1.4k 0.9× 1.0k 0.7× 351 0.4× 891 2.7× 145 3.0k

Countries citing papers authored by Youichi Sakamoto

Since Specialization
Citations

This map shows the geographic impact of Youichi Sakamoto's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Youichi Sakamoto with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Youichi Sakamoto more than expected).

Fields of papers citing papers by Youichi Sakamoto

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Youichi Sakamoto. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Youichi Sakamoto. The network helps show where Youichi Sakamoto may publish in the future.

Co-authorship network of co-authors of Youichi Sakamoto

This figure shows the co-authorship network connecting the top 25 collaborators of Youichi Sakamoto. A scholar is included among the top collaborators of Youichi Sakamoto based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Youichi Sakamoto. Youichi Sakamoto is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Sakamoto, Youichi & Toshiyasu Suzuki. (2017). Perfluorinated and Half-Fluorinated Rubrenes: Synthesis and Crystal Packing Arrangements. The Journal of Organic Chemistry. 82(15). 8111–8116. 26 indexed citations
2.
Sakamoto, Youichi & Toshiyasu Suzuki. (2013). Tetrabenzo[8]circulene: Aromatic Saddles from Negatively Curved Graphene. Journal of the American Chemical Society. 135(38). 14074–14077. 217 indexed citations
3.
Iwamoto, Takahiro, Yoshiki Watanabe, Youichi Sakamoto, Toshiyasu Suzuki, & Shigeru Yamago. (2011). Selective and Random Syntheses of [n]Cycloparaphenylenes (n = 8–13) and Size Dependence of Their Electronic Properties. Journal of the American Chemical Society. 133(21). 8354–8361. 469 indexed citations breakdown →
4.
Delgado, M. Carmen Ruiz, Demétrio A. da Silva Filho, Nadine E. Gruhn, et al.. (2009). Impact of Perfluorination on the Charge-Transport Parameters of Oligoacene Crystals. Journal of the American Chemical Society. 131(4). 1502–1512. 163 indexed citations
5.
Ohkubo, Kei, Youichi Sakamoto, Toshiyasu Suzuki, et al.. (2008). Synthesis, Structure, and Transport Property of Perfluorinated Oligofluorenes. Chemistry - A European Journal. 14(15). 4472–4474. 17 indexed citations
6.
Hinderhofer, Alexander, Ute Heinemeyer, Alexander Gerlach, et al.. (2007). Optical properties of pentacene and perfluoropentacene thin films. The Journal of Chemical Physics. 127(19). 194705–194705. 120 indexed citations
7.
Osuna, Reyes Malavé, Rocío Ponce Ortiz, M. Carmen Ruiz Delgado, et al.. (2005). Synthesis and Characterization of Three Novel Perfluoro-oligothiophenes Ranging in Length from the Trimer to the Pentamer. The Journal of Physical Chemistry B. 109(44). 20737–20745. 15 indexed citations
8.
Sakamoto, Youichi, Toshiyasu Suzuki, Masafumi Kobayashi, et al.. (2004). Perfluoropentacene:  High-Performance p−n Junctions and Complementary Circuits with Pentacene. Journal of the American Chemical Society. 126(26). 8138–8140. 661 indexed citations breakdown →
9.
Ito, Kaname, Toshiyasu Suzuki, Youichi Sakamoto, et al.. (2003). Oligo(2,6‐anthrylene)s: Acene–Oligomer Approach for Organic Field‐Effect Transistors. Angewandte Chemie International Edition. 42(10). 1159–1162. 175 indexed citations
10.
Shinmyozu, Teruo, Youichi Sakamoto, M. Yasutake, et al.. (2003). Synthesis, Structure, and Reaction of [3n]Cyclophanes (n = 2-6). Journal of Synthetic Organic Chemistry Japan. 61(8). 778–796.
11.
Yasutake, M., Youichi Sakamoto, Ming Zhou, et al.. (2002). An Alternative Synthetic Route of [35](1,2,3,4,5)Cyclophane, and Structural Properties of Multibridged [3n]Cyclophanes and Their Charge-Transfer Complexes in the Solid State1. Journal of the American Chemical Society. 124(34). 10136–10145. 27 indexed citations
12.
Sakamoto, Youichi, Toshiyasu Suzuki, Atsushi Miura, et al.. (2001). ChemInform Abstract: Perfluorinated Oligo(p‐Phenylene)s: Efficient n‐Type Semiconductors for Organic Light‐Emitting Diodes.. ChemInform. 32(8). 6 indexed citations
13.
Sakamoto, Youichi, et al.. (2001). Tetradecafluorosexithiophene:  The First Perfluorinated Oligothiophene. Journal of the American Chemical Society. 123(19). 4643–4644. 161 indexed citations
14.
Yamanoi, Yoshinori, Youichi Sakamoto, Takahiro Kusukawa, et al.. (2001). Dynamic Assembly of Coordination Boxes from (en)Pd(II) Unit and a Rectangular Panel-Like Ligand:  NMR, CSI-MS, and X-ray Studies. Journal of the American Chemical Society. 123(5). 980–981. 155 indexed citations
15.
16.
Sakamoto, Youichi, Toshiyasu Suzuki, Atsushi Miura, et al.. (2000). Synthesis, Characterization, and Electron-Transport Property of Perfluorinated Phenylene Dendrimers. Journal of the American Chemical Society. 122(8). 1832–1833. 147 indexed citations
17.
Yasutake, M., et al.. (1999). Improved Synthesis, Structure, and Cycloaddition Reaction of [34](1,2,4,5)Cyclophane. European Journal of Organic Chemistry. 1999(5). 1223–1231. 17 indexed citations
18.
Takehara, Kô, et al.. (1999). The first osmium(II), ruthenium(II) and iron(II) complexes of [3 ]cyclophanes (n=2–4): synthesis and electrochemical study. Journal of Organometallic Chemistry. 577(1). 58–68. 11 indexed citations
19.
Sakamoto, Youichi, et al.. (1999). Formation of novel cage compounds via photoreaction of [3.3.3](1,3,5)cyclophane. Tetrahedron Letters. 40(5). 919–922. 9 indexed citations
20.
Sakamoto, Youichi, et al.. (1996). Synthesis of a “Molecular Pinwheel”: [3.3.3.3.3.3](1,2,3,4,5,6)Cyclophane. Angewandte Chemie International Edition in English. 35(5). 549–550. 33 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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