Hiroshi Imahori

30.0k total citations · 3 hit papers
450 papers, 26.0k citations indexed

About

Hiroshi Imahori is a scholar working on Materials Chemistry, Organic Chemistry and Electrical and Electronic Engineering. According to data from OpenAlex, Hiroshi Imahori has authored 450 papers receiving a total of 26.0k indexed citations (citations by other indexed papers that have themselves been cited), including 324 papers in Materials Chemistry, 196 papers in Organic Chemistry and 161 papers in Electrical and Electronic Engineering. Recurrent topics in Hiroshi Imahori's work include Porphyrin and Phthalocyanine Chemistry (229 papers), Fullerene Chemistry and Applications (119 papers) and Molecular Junctions and Nanostructures (77 papers). Hiroshi Imahori is often cited by papers focused on Porphyrin and Phthalocyanine Chemistry (229 papers), Fullerene Chemistry and Applications (119 papers) and Molecular Junctions and Nanostructures (77 papers). Hiroshi Imahori collaborates with scholars based in Japan, United States and Finland. Hiroshi Imahori's co-authors include Tomokazu Umeyama, Shunichi Fukuzumi, Yoshiteru Sakata, Yoshihiro Matano, Tomohiro Higashino, Seigo Ito, Hiroko Yamada, Koichi Tamaki, Osamu Ito and Dirk M. Guldi and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of the American Chemical Society and Nucleic Acids Research.

In The Last Decade

Hiroshi Imahori

442 papers receiving 25.5k citations

Hit Papers

align trajectories sort by overperformance

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.

Large π-Aromatic Molecules as Potential Sensitizers for Highly Efficient Dye-Sensitized Solar Cells

2009 912 citations Hiroshi Imahori, Tomokazu Umeyama et al. profile →
Donor‐Linked Fullerenes: Photoinduced electron transfer and its potential application

1997 536 citations Hiroshi Imahori et al. profile →
Porphyrins as excellent dyes for dye-sensitized solar cells: recent developments and insights

2014 526 citations Tomohiro Higashino, Hiroshi Imahori profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Hiroshi Imahori Japan	83	19.4k	10.1k	8.3k	5.5k	3.7k	450	26.0k
Raymond Ziessel France	91	21.3k 1.1×	8.5k 0.8×	7.4k 0.9×	3.4k 0.6×	2.6k 0.7×	500	30.9k
Mamoru Fujitsuka Japan	72	15.2k 0.8×	6.0k 0.6×	6.1k 0.7×	9.2k 1.7×	3.1k 0.8×	529	22.2k
Francis D’Souza United States	69	14.5k 0.7×	6.2k 0.6×	5.7k 0.7×	2.3k 0.4×	3.0k 0.8×	537	19.6k
Anthony Harriman United Kingdom	71	15.3k 0.8×	4.9k 0.5×	4.9k 0.6×	2.0k 0.4×	3.7k 1.0×	333	20.7k
Dirk M. Guldi Germany	105	35.8k 1.8×	21.2k 2.1×	14.9k 1.8×	4.1k 0.7×	5.4k 1.4×	937	47.5k
Jianzhang Zhao China	84	20.4k 1.1×	5.1k 0.5×	8.1k 1.0×	2.0k 0.4×	3.8k 1.0×	459	27.2k
Sebastiano Campagna Italy	63	9.7k 0.5×	5.4k 0.5×	4.9k 0.6×	2.8k 0.5×	1.8k 0.5×	250	18.3k
Karl M. Kadish United States	68	15.7k 0.8×	7.0k 0.7×	4.0k 0.5×	2.5k 0.5×	2.1k 0.6×	704	21.4k
Felix N. Castellano United States	75	12.3k 0.6×	3.4k 0.3×	7.7k 0.9×	3.1k 0.6×	2.1k 0.6×	277	18.0k
Gerald J. Meyer United States	67	9.8k 0.5×	2.4k 0.2×	4.3k 0.5×	10.1k 1.8×	2.1k 0.6×	339	18.3k

Countries citing papers authored by Hiroshi Imahori

Since Specialization

Citations

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

Fields of papers citing papers by Hiroshi Imahori

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hiroshi Imahori

This figure shows the co-authorship network connecting the top 25 collaborators of Hiroshi Imahori. A scholar is included among the top collaborators of Hiroshi Imahori 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 Hiroshi Imahori. Hiroshi Imahori is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Yamada, Kenta, Mizuho Kondo, Tomoyuki Koganezawa, et al.. (2025). Effects of non-fused and fused substituents in quinoxaline-based central units on conformation, aggregation, and photovoltaic properties of non-fused ring electron acceptors. Journal of Materials Chemistry C. 13(16). 7984–7995.

2.

Umeyama, Tomokazu, et al.. (2024). Development of Non-Fullerene Acceptors with π-Extended Central Unit for Organic Photovoltaic Devices. Journal of Photopolymer Science and Technology. 37(2). 197–204. 1 indexed citations

3.

Yamakata, Akira, Kosaku Kato, Masahiro Higashi, et al.. (2024). Boosting charge separation in organic photovoltaics: unveiling dipole moment variations in excited non-fullerene acceptor layers. Chemical Science. 15(32). 12686–12694. 9 indexed citations

4.

Guo, Qi, Behnam Ghalei, Detao Qin, et al.. (2023). Graphene oxide-fullerene nanocomposite laminates for efficient hydrogen purification. Chemical Communications. 59(66). 10012–10015. 3 indexed citations

5.

Umeyama, Tomokazu, Yuki Ikeda, W. Ryan Osterloh, et al.. (2023). An emissive charge-transfer excited-state at the well-defined hetero-nanostructure interface of an organic conjugated molecule and two-dimensional inorganic nanosheet. Chemical Science. 14(42). 11914–11923. 9 indexed citations

6.

Numata, Tomohiro, et al.. (2020). Elucidation of the Mechanisms for the Underlying Depolarization and Reversibility by Photoactive Molecule.. Cellular Physiology and Biochemistry. 54(5). 899–916. 1 indexed citations

7.

Kanda, Hiroyuki, Naoyuki Shibayama, Abdullah Üzüm, et al.. (2018). Effect of Silicon Surface for Perovskite/Silicon Tandem Solar Cells: Flat or Textured?. ACS Applied Materials & Interfaces. 10(41). 35016–35024. 47 indexed citations

8.

Cai, Ning, Yuta Takano, Tomohiro Numata, et al.. (2017). Strategy to Attain Remarkably High Photoinduced Charge-Separation Yield of Donor–Acceptor Linked Molecules in Biological Environment via Modulating Their Cationic Moieties. The Journal of Physical Chemistry C. 121(32). 17457–17465. 11 indexed citations

9.

Imahori, Hiroshi. (2017). Solar Cells 1. 1 indexed citations

10.

Fujimori, Yamato, Yukihiro Tsuji, Tomohiro Higashino, et al.. (2017). Structural Effects on the Incident Photon-to-Current Conversion Efficiency of Zn Porphyrin Dyes on the Low-Index Planes of TiO₂. ACS Omega. 2(1). 128–135. 7 indexed citations

11.

Liu, Jinxuan, Wencai Zhou, Yamato Fujimori, et al.. (2016). A new class of epitaxial porphyrin metal–organic framework thin films with extremely high photocarrier generation efficiency: promising materials for all-solid-state solar cells. Journal of Materials Chemistry A. 4(33). 12739–12747. 84 indexed citations

12.

Matano, Yoshihiro & Hiroshi Imahori. (2012). Synthesis of Chain Type and Fused ^|^pi;-Conjugated Phosphole Derivatives. Journal of Synthetic Organic Chemistry Japan. 70(6). 629–639. 2 indexed citations

13.

Umeyama, Tomokazu, Noriyasu Tezuka, Shu Seki, et al.. (2011). Carbon Nanotube Wiring of Donor–Acceptor Nanograins by Self‐Assembly and Efficient Charge Transport. Angewandte Chemie. 123(20). 4711–4715. 5 indexed citations

14.

Umeyama, Tomokazu, Noriyasu Tezuka, Shu Seki, et al.. (2011). Carbon Nanotube Wiring of Donor–Acceptor Nanograins by Self‐Assembly and Efficient Charge Transport. Angewandte Chemie International Edition. 50(20). 4615–4619. 38 indexed citations

15.

Li, Wei, Noriyasu Tezuka, Tomokazu Umeyama, Hiroshi Imahori, & Yuan Chen. (2011). Formation of single-walled carbon nanotube thin films enriched with semiconducting nanotubes and their application in photoelectrochemical devices. Nanoscale. 3(4). 1845–1845. 13 indexed citations

16.

Matano, Yoshihiro, Masato Fujita, Arihiro Saito, & Hiroshi Imahori. (2010). Synthesis, structures, optical and electrochemical properties, and complexation of 2,5-bis(pyrrol-2-yl)phospholes. Comptes Rendus Chimie. 13(8-9). 1035–1047. 16 indexed citations

17.

Murakami, Tatsuya, Kunihiro Tsuchida, Mitsuru Hashida, & Hiroshi Imahori. (2010). Size control of lipid-based drugcarrier by drug loading. Molecular BioSystems. 6(5). 789–791. 16 indexed citations

18.

Miguel, Gustavo de, Kohei Hosomizu, Tomokazu Umeyama, et al.. (2008). Tunable Soret‐Band Splitting of an Amphiphilic Porphyrin by Surface Pressure. ChemPhysChem. 9(11). 1511–1513. 17 indexed citations

19.

Imahori, Hiroshi & Yukie Mori. (2003). Photo Energy Coversion Mimicking Photosynthesis. Kobunshi. 52(5). 331–331.

20.

Imahori, Hiroshi. (2000). Organic solar cells based on photosynthesis. 69(10). 1192–1195. 1 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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