Itaru Osaka

14.5k total citations · 6 hit papers
205 papers, 12.8k citations indexed

About

Itaru Osaka is a scholar working on Electrical and Electronic Engineering, Polymers and Plastics and Organic Chemistry. According to data from OpenAlex, Itaru Osaka has authored 205 papers receiving a total of 12.8k indexed citations (citations by other indexed papers that have themselves been cited), including 169 papers in Electrical and Electronic Engineering, 139 papers in Polymers and Plastics and 43 papers in Organic Chemistry. Recurrent topics in Itaru Osaka's work include Organic Electronics and Photovoltaics (159 papers), Conducting polymers and applications (139 papers) and Perovskite Materials and Applications (65 papers). Itaru Osaka is often cited by papers focused on Organic Electronics and Photovoltaics (159 papers), Conducting polymers and applications (139 papers) and Perovskite Materials and Applications (65 papers). Itaru Osaka collaborates with scholars based in Japan, United States and Taiwan. Itaru Osaka's co-authors include Kazuo Takimiya, Eigo Miyazaki, Richard D. McCullough, Tomoyuki Koganezawa, Shoji Shinamura, Masahiro Nakano, Masahiko Saito, Kazuaki Kawashima, Takamichi Mori and Hideo Ohkita and has published in prestigious journals such as Journal of the American Chemical Society, Advanced Materials and Angewandte Chemie International Edition.

In The Last Decade

Itaru Osaka

201 papers receiving 12.8k citations

Hit Papers

Thienoacene‐Based Organic Semiconductors 2008 2026 2014 2020 2011 2015 2008 2014 2017 250 500 750
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. Thienoacene‐Based Organic Semiconductors
    2011 900 citations Kazuo Takimiya, Shoji Shinamura et al. profile →
  2. Efficient inverted polymer solar cells employing favourable molecular orientation
    2015 774 citations Tomoyuki Koganezawa, Itaru Osaka et al. profile →
  3. Advances in Molecular Design and Synthesis of Regioregular Polythiophenes
    2008 677 citations Itaru Osaka et al. profile →
  4. Organic Semiconductors Based on [1]Benzothieno[3,2-b][1]benzothiophene Substructure
    2014 470 citations Kazuo Takimiya, Itaru Osaka et al. profile →
  5. Stretchable and waterproof elastomer-coated organic photovoltaics for washable electronic textile applications
    2017 411 citations Hiroaki Jinno, Kenjiro Fukuda et al. profile →
  6. Self-powered ultraflexible photonic skin for continuous bio-signal detection via air-operation-stable polymer light-emitting diodes
    2021 201 citations Hiroaki Jinno, Tomoyuki Yokota et al. Nature Communications profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Itaru Osaka Japan 56 9.8k 7.4k 3.1k 2.3k 1.1k 205 12.8k
Yanhou Geng China 63 10.6k 1.1× 7.9k 1.1× 2.0k 0.6× 3.7k 1.6× 1.5k 1.4× 347 13.2k
Yen‐Ju Cheng Taiwan 48 8.4k 0.9× 6.9k 0.9× 1.6k 0.5× 2.4k 1.0× 749 0.7× 137 10.3k
Richard D. McCullough United States 51 9.5k 1.0× 8.7k 1.2× 3.3k 1.1× 3.7k 1.6× 1.4k 1.3× 107 13.1k
Zhiyuan Xie China 59 11.0k 1.1× 7.1k 1.0× 1.4k 0.5× 4.7k 2.0× 811 0.7× 391 13.0k
Helmut Neugebauer Austria 45 9.7k 1.0× 7.8k 1.0× 1.5k 0.5× 3.1k 1.4× 1.4k 1.3× 152 12.3k
Christian B. Nielsen United Kingdom 54 8.8k 0.9× 7.4k 1.0× 1.3k 0.4× 2.3k 1.0× 1.3k 1.2× 142 11.1k
Zhishan Bo China 61 11.0k 1.1× 8.9k 1.2× 2.0k 0.7× 3.9k 1.7× 1.1k 1.0× 367 14.0k
Barry C. Thompson United States 46 9.3k 1.0× 8.8k 1.2× 1.9k 0.6× 2.5k 1.1× 924 0.8× 139 11.7k
Xiaozhang Zhu China 49 7.4k 0.8× 5.5k 0.7× 1.9k 0.6× 2.2k 0.9× 443 0.4× 165 9.2k
Pierre M. Beaujuge Saudi Arabia 49 10.1k 1.0× 9.4k 1.3× 1.2k 0.4× 2.3k 1.0× 987 0.9× 93 12.3k

Countries citing papers authored by Itaru Osaka

Since Specialization
Citations

This map shows the geographic impact of Itaru Osaka'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 Itaru Osaka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Itaru Osaka more than expected).

Fields of papers citing papers by Itaru Osaka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Itaru Osaka. 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 Itaru Osaka. The network helps show where Itaru Osaka may publish in the future.

Co-authorship network of co-authors of Itaru Osaka

This figure shows the co-authorship network connecting the top 25 collaborators of Itaru Osaka. A scholar is included among the top collaborators of Itaru Osaka 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 Itaru Osaka. Itaru Osaka 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.
Sato, Yuki, Masahiko Saito, Tsubasa Mikie, et al.. (2025). A Rigid Polymer Donor Based on a Simple Benzodithiophene–Thiazole Backbone for Organic Photovoltaics. ChemSusChem. 19(1). e202501961–e202501961.
2.
Saito, Masahiko, Hiroyuki Ichikawa, Hiroyuki Yoshida, et al.. (2024). Manipulating the functionality and structures of π-conjugated polymers utilizing intramolecular noncovalent interactions towards efficient organic photovoltaics. Chemical Science. 15(17). 6349–6362. 7 indexed citations
3.
Adachi, Yohei, et al.. (2024). Twisted diphenoquinones fused with thiophene rings: thiophene analogs of bianthrone. Chemical Communications. 60(75). 10410–10413. 1 indexed citations
4.
5.
Aoyagi, Shinobu, et al.. (2024). Synthesis of indano[60]fullerene thioketone and its application in organic solar cells. Beilstein Journal of Organic Chemistry. 20. 1270–1277. 2 indexed citations
6.
Sato, Yuki, et al.. (2024). Efficient Derivatization of a Thienobenzobisthiazole‐Based π‐Conjugated Polymer Through Late‐Stage Functionalization Towards High‐Efficiency Organic Photovoltaic Cells. Angewandte Chemie International Edition. 63(47). e202409814–e202409814. 5 indexed citations
7.
Saito, Masahiko, Hiroya Yamada, Kakaraparthi Kranthiraja, et al.. (2023). Ordered π-conjugated polymer backbone in amorphous blend for high efficiency nonfullerene organic photovoltaics. Communications Materials. 4(1). 7 indexed citations
8.
Kurosawa, Tadanori, Yu Yamashita, Craig P. Yu, et al.. (2023). Employment of Alkoxy Sidechains in Semicrystalline Semiconducting Polymers for Ambient-Stable p-Doped Conjugated Polymers. Macromolecules. 57(1). 328–338. 6 indexed citations
9.
Nakano, Kyohei, et al.. (2023). Dependence of Exciton Binding Energy on Bandgap of Organic Semiconductors. The Journal of Physical Chemistry Letters. 14(50). 11412–11420. 48 indexed citations
10.
Sato, Yuki, et al.. (2023). Exciton dynamics of a fused ring π-conjugated nonfullerene molecule based on dithienonaphthobisthiadiazole. Japanese Journal of Applied Physics. 62(SK). SK1012–SK1012.
11.
Saito, Masahiko, Tomoyuki Koganezawa, Hayato Saito, et al.. (2023). Interplay Between π‐Conjugated Polymer Donors and Acceptors Determines Crystalline Order of Their Blends and Photovoltaic Performance. Advanced Energy Materials. 13(13). 11 indexed citations
12.
Xue, Dong, Masahiko Saito, Itaru Osaka, & Kazuhiro Marumoto. (2022). Effect of UV-Light Irradiation on Charge-Accumulation States in PTzBT Polymer Solar Cells. Journal of Photopolymer Science and Technology. 35(3). 193–197.
13.
14.
Mikie, Tsubasa, Masahiro Hayakawa, Kenta Okamoto, et al.. (2021). Extended π-Electron Delocalization in Quinoid-Based Conjugated Polymers Boosts Intrachain Charge Carrier Transport. Chemistry of Materials. 33(21). 8183–8193. 36 indexed citations
15.
Jinno, Hiroaki, Tomoyuki Yokota, Mari Koizumi, et al.. (2021). Self-powered ultraflexible photonic skin for continuous bio-signal detection via air-operation-stable polymer light-emitting diodes. Nature Communications. 12(1). 2234–2234. 201 indexed citations breakdown →
16.
Saito, Masahiko, Yasunari Tamai, Hiroyuki Ichikawa, et al.. (2020). Significantly Sensitized Ternary Blend Polymer Solar Cells with a Very Small Content of the Narrow-Band Gap Third Component That Utilizes Optical Interference. Macromolecules. 53(23). 10623–10635. 18 indexed citations
17.
Komeyama, Kimihiro, et al.. (2017). Highly nucleophilic vitamin B12-assisted nickel-catalysed reductive coupling of aryl halides and non-activated alkyl tosylates. Chemical Communications. 53(48). 6401–6404. 50 indexed citations
18.
Kawabata, Kohsuke, Itaru Osaka, José L. Zafra, et al.. (2016). Dithienyl Acenedithiophenediones as New π‐Extended Quinoidal Cores: Synthesis and Properties. Chemistry - A European Journal. 23(19). 4579–4589. 21 indexed citations
19.
Nakano, Masahiro, et al.. (2012). Angular-shaped naphthodifurans, naphtho[1,2-b;5,6-b′]- and naphtho[2,1-b;6,5-b′]-difuran: are they isoelectronic with chrysene?. Chemical Communications. 48(45). 5671–5671. 23 indexed citations
20.
Niimi, Kazuki, Hiroki Mori, Eigo Miyazaki, et al.. (2012). [2,2′]Bi[naphtho[2,3-b]furanyl]: a versatile organic semiconductor with a furan–furan junction. Chemical Communications. 48(47). 5892–5892. 71 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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