Takuji Hatakeyama

15.0k total citations · 8 hit papers
126 papers, 12.6k citations indexed

About

Takuji Hatakeyama is a scholar working on Organic Chemistry, Materials Chemistry and Electrical and Electronic Engineering. According to data from OpenAlex, Takuji Hatakeyama has authored 126 papers receiving a total of 12.6k indexed citations (citations by other indexed papers that have themselves been cited), including 71 papers in Organic Chemistry, 64 papers in Materials Chemistry and 58 papers in Electrical and Electronic Engineering. Recurrent topics in Takuji Hatakeyama's work include Luminescence and Fluorescent Materials (54 papers), Organic Light-Emitting Diodes Research (54 papers) and Organoboron and organosilicon chemistry (33 papers). Takuji Hatakeyama is often cited by papers focused on Luminescence and Fluorescent Materials (54 papers), Organic Light-Emitting Diodes Research (54 papers) and Organoboron and organosilicon chemistry (33 papers). Takuji Hatakeyama collaborates with scholars based in Japan, Spain and Taiwan. Takuji Hatakeyama's co-authors include Masaharu Nakamura, Susumu Oda, Soichiro Nakatsuka, Kiichi Nakajima, Kazuki Yoshiura, Toshiaki Ikuta, Jingping Ni, K. Shiren, S. HASHIMOTO and Shintaro Nomura and has published in prestigious journals such as Journal of the American Chemical Society, Chemical Society Reviews and Advanced Materials.

In The Last Decade

Takuji Hatakeyama

119 papers receiving 12.5k citations

Hit Papers

Ultrapure Blue Thermally Activated Delayed Fluorescence M... 2015 2026 2018 2022 2016 2019 2021 2017 2015 500 1000 1.5k
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. Ultrapure Blue Thermally Activated Delayed Fluorescence Molecules: Efficient HOMO–LUMO Separation by the Multiple Resonance Effect
    2016 1.7k citations Takuji Hatakeyama, K. Shiren et al. Advanced Materials profile →
  2. Narrowband deep-blue organic light-emitting diode featuring an organoboron-based emitter
    2019 1.3k citations Yasuhiro Kondo, Susumu Oda et al. profile →
  3. Stable pure-blue hyperfluorescence organic light-emitting diodes with high-efficiency and narrow emission
    2021 632 citations Chin‐Yiu Chan, Yi‐Ting Lee et al. profile →
  4. One-Shot Multiple Borylation toward BN-Doped Nanographenes
    2017 479 citations Susumu Oda, Kiichi Nakajima et al. Journal of the American Chemical Society profile →
  5. One‐Step Borylation of 1,3‐Diaryloxybenzenes Towards Efficient Materials for Organic Light‐Emitting Diodes
    2015 419 citations Kiichi Nakajima, Soichiro Nakatsuka et al. Angewandte Chemie International Edition profile →
  6. Solution‐Processable Pure Green Thermally Activated Delayed Fluorescence Emitter Based on the Multiple Resonance Effect
    2020 320 citations Susumu Oda, Nobuhiro Yasuda et al. Advanced Materials profile →
  7. One-Shot Synthesis of Expanded Heterohelicene Exhibiting Narrowband Thermally Activated Delayed Fluorescence
    2021 226 citations Susumu Oda, Yuki Yamasaki et al. Journal of the American Chemical Society profile →
  8. Organoboron-based multiple-resonance emitters: synthesis, structure–property correlations, and prospects
    2024 217 citations Masashi Mamada, Masahiro Hayakawa et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Takuji Hatakeyama Japan 55 7.6k 7.3k 5.3k 956 938 126 12.6k
You‐Xuan Zheng China 51 6.5k 0.9× 8.3k 1.2× 4.0k 0.8× 881 0.9× 962 1.0× 303 10.9k
Eli Zysman‐Colman United Kingdom 57 8.9k 1.2× 8.2k 1.1× 3.8k 0.7× 1.1k 1.2× 615 0.7× 310 13.0k
Yu‐Wu Zhong China 52 4.5k 0.6× 4.6k 0.6× 2.9k 0.5× 2.1k 2.2× 825 0.9× 260 9.3k
Atsushi Wakamiya Japan 63 8.9k 1.2× 9.1k 1.3× 5.1k 1.0× 3.0k 3.1× 768 0.8× 273 14.3k
Guijiang Zhou China 46 6.6k 0.9× 5.5k 0.8× 1.9k 0.3× 2.0k 2.1× 330 0.4× 174 8.6k
Muhammad S. Khan Oman 45 3.3k 0.4× 2.7k 0.4× 2.5k 0.5× 1.1k 1.2× 894 1.0× 151 6.4k
Qian Miao Hong Kong 59 4.7k 0.6× 5.2k 0.7× 5.0k 0.9× 1.6k 1.7× 317 0.3× 196 10.1k
Takuma Yasuda Japan 63 10.4k 1.4× 9.3k 1.3× 2.4k 0.4× 2.2k 2.3× 247 0.3× 187 13.7k
D. Venkataraman United States 41 2.5k 0.3× 2.9k 0.4× 3.3k 0.6× 1.7k 1.8× 1.8k 1.9× 115 7.7k
Paul J. Low United Kingdom 52 3.4k 0.4× 2.5k 0.3× 4.7k 0.9× 585 0.6× 1.6k 1.7× 264 8.5k

Countries citing papers authored by Takuji Hatakeyama

Since Specialization
Citations

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

Fields of papers citing papers by Takuji Hatakeyama

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Takuji Hatakeyama

This figure shows the co-authorship network connecting the top 25 collaborators of Takuji Hatakeyama. A scholar is included among the top collaborators of Takuji Hatakeyama 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 Takuji Hatakeyama. Takuji Hatakeyama 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.
Nakatsuka, Soichiro, Toshiya Yamamoto, Hiroaki Abe, et al.. (2025). One-shot synthesis of BN-embedded hexabenzocoronene via a dearomative triple borylation. Chem. 11(12). 102655–102655.
2.
Hayakawa, Masahiro, et al.. (2025). C 3 -Symmetric Borabuckybowl Featuring a Pyramidal-like sp 2 Boron Atom for Advanced Electronics and Optical Functions. Journal of the American Chemical Society. 147(46). 42839–42846.
3.
Ochi, Junki, Yuki Yamasaki, Susumu Oda, et al.. (2025). Approaching National Television System Committee Blue Gamut Through Asymmetric Modification of MR‐TADF Material. Advanced Optical Materials. 13(23). 2 indexed citations
4.
Mamada, Masashi, Kenkera Rayappa Naveen, Masahiro Hayakawa, et al.. (2025). Late‐Stage C─N Bond Cleavage Enables Diversification of Multiple Resonance Materials. Angewandte Chemie. 137(31).
5.
Mamada, Masashi, Junki Ochi, Susumu Oda, et al.. (2024). Efficient Deep‐Blue Multiple‐Resonance Emitters Based on Azepine‐Decorated ν‐DABNA for CIEy below 0.06. Advanced Materials. 36(30). e2402905–e2402905. 39 indexed citations
6.
Mamada, Masashi, et al.. (2024). Donor-only substituted benzene achieves thermally activated delayed fluorescence. Communications Chemistry. 7(1). 212–212. 2 indexed citations
7.
Ochi, Junki, Yuki Yamasaki, Yasuhiro Kondo, et al.. (2024). Highly efficient multi-resonance thermally activated delayed fluorescence material toward a BT.2020 deep-blue emitter. Nature Communications. 15(1). 2361–2361. 65 indexed citations
8.
Bae, Jaehyun, Miyabi Imai-Imada, Hyung Suk Kim, et al.. (2024). Visualization of Multiple-Resonance-Induced Frontier Molecular Orbitals in a Single Multiple-Resonance Thermally Activated Delayed Fluorescence Molecule. ACS Nano. 18(27). 17987–17995. 4 indexed citations
9.
Lee, Yi‐Ting, Chin‐Yiu Chan, Susumu Oda, et al.. (2024). Bright, efficient, and stable pure-green hyperfluorescent organic light-emitting diodes by judicious molecular design. Nature Communications. 15(1). 3174–3174. 57 indexed citations
10.
Hayakawa, Masahiro, et al.. (2023). Frontispiz: Spiroborate‐Based Host Materials with High Triplet Energies and Ambipolar Charge‐Transport Properties. Angewandte Chemie. 135(14). 1 indexed citations
11.
Sasaki, Tsubasa, et al.. (2022). Unlocking the Full Potential of Electron‐Acceptor Molecules for Efficient and Stable Hole Injection. Advanced Materials. 35(11). e2210413–e2210413. 13 indexed citations
12.
Adak, Laksmikanta, Takuji Hatakeyama, & Masaharu Nakamura. (2021). Iron-Catalyzed Cross-Coupling Reactions Tuned by Bulky Ortho-Phenylene Bisphosphine Ligands. Bulletin of the Chemical Society of Japan. 94(3). 1125–1141. 12 indexed citations
13.
Fukagawa, Hirohiko, et al.. (2018). Correction: High-efficiency ultrapure green organic light-emitting diodes. Materials Chemistry Frontiers. 2(4). 815–815. 1 indexed citations
14.
Nakatsuka, Soichiro, Hajime Gotoh, Keisuke Kinoshita, Nobuhiro Yasuda, & Takuji Hatakeyama. (2017). Divergent Synthesis of Heteroatom‐Centered 4,8,12‐Triazatriangulenes. Angewandte Chemie International Edition. 56(18). 5087–5090. 173 indexed citations
15.
Hatakeyama, Takuji, Toshiaki Ikuta, K. Shiren, et al.. (2016). Efficient HOMO-LUMO separation by multiple resonance effect toward ultrapure blue thermally activated delayed fluorescence. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 9941. 994103–994103. 3 indexed citations
16.
Nakagawa, Naohisa, Takuji Hatakeyama, & Masaharu Nakamura. (2015). Iron‐Catalyzed Diboration and Carboboration of Alkynes. Chemistry - A European Journal. 21(11). 4257–4261. 101 indexed citations
17.
Nakamura, Masaharu, et al.. (2014). Synthesis of 2,7-Disubstituted 5,10-Diaryl-5,10-dihydrophenazines via Iron-Catalyzed Intramolecular Ring-Closing C–H Amination. Heterocycles. 90(2). 893–893. 10 indexed citations
18.
Hatakeyama, Takuji & Masaharu Nakamura. (2007). Iron-Catalyzed Selective Biaryl Coupling:  Remarkable Suppression of Homocoupling by the Fluoride Anion. Journal of the American Chemical Society. 129(32). 9844–9845. 256 indexed citations
19.
Hatakeyama, Takuji, et al.. (2006). Microgram-Scale Testing of Reaction Conditions in Solution Using Nanoliter Plugs in Microfluidics with Detection by MALDI-MS. Journal of the American Chemical Society. 128(8). 2518–2519. 159 indexed citations
20.
Suzuki, Mitsuaki, Takuji Hatakeyama, Shizuo Tokito, & Fumio Satō. (2004). High-Efficiency White Phosphorescent Polymer Light-Emitting Devices. IEEE Journal of Selected Topics in Quantum Electronics. 10(1). 115–120. 23 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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