Hisao Ishii

12.9k total citations · 1 hit paper
336 papers, 10.9k citations indexed

About

Hisao Ishii is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Hisao Ishii has authored 336 papers receiving a total of 10.9k indexed citations (citations by other indexed papers that have themselves been cited), including 189 papers in Electrical and Electronic Engineering, 93 papers in Materials Chemistry and 91 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Hisao Ishii's work include Organic Electronics and Photovoltaics (90 papers), Molecular Junctions and Nanostructures (83 papers) and Organic Light-Emitting Diodes Research (58 papers). Hisao Ishii is often cited by papers focused on Organic Electronics and Photovoltaics (90 papers), Molecular Junctions and Nanostructures (83 papers) and Organic Light-Emitting Diodes Research (58 papers). Hisao Ishii collaborates with scholars based in Japan, Germany and United States. Hisao Ishii's co-authors include Kazuhiko Seki, Eisuke Ito, K. Sugiyama, Yukio Ouchi, Yutaka Noguchi, Yasuo Nakayama, Michio Niwano, Daisuke Yoshimura, N. Hayashi and Yuya Tanaka and has published in prestigious journals such as Journal of the American Chemical Society, Physical Review Letters and Advanced Materials.

In The Last Decade

Hisao Ishii

319 papers receiving 10.7k citations

Hit Papers

align trajectories

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.

Energy Level Alignment and Interfacial Electronic Structures at Organic/Metal and Organic/Organic Interfaces

1999 2.7k citations Hisao Ishii, K. Sugiyama et al. Advanced Materials profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Hisao Ishii Japan	48	8.0k	3.5k	2.8k	2.2k	1.3k	336	10.9k
M. Nielsen Denmark	53	8.1k 1.0×	3.8k 1.1×	5.2k 1.9×	3.6k 1.6×	2.2k 1.6×	193	13.7k
Guglielmo Lanzani Italy	58	8.7k 1.1×	6.8k 1.9×	3.3k 1.2×	2.9k 1.3×	2.3k 1.7×	410	14.5k
Masamichi Fujihira Japan	46	4.8k 0.6×	2.4k 0.7×	823 0.3×	3.2k 1.4×	1.8k 1.3×	295	8.4k
Dmitry Bedrov United States	54	2.9k 0.4×	3.0k 0.8×	1.5k 0.5×	1.2k 0.5×	1.3k 1.0×	186	9.0k
Pulak Dutta United States	44	2.6k 0.3×	2.2k 0.6×	785 0.3×	2.5k 1.1×	1.5k 1.1×	162	7.4k
Ilia N. Ivanov United States	57	4.8k 0.6×	6.8k 1.9×	1.8k 0.6×	846 0.4×	1.9k 1.4×	219	10.5k
Laurens D. A. Siebbeles Netherlands	59	8.5k 1.1×	7.3k 2.1×	2.7k 1.0×	2.3k 1.0×	1.1k 0.8×	246	13.4k
Dietrich R. T. Zahn Germany	53	9.1k 1.1×	9.9k 2.8×	1.3k 0.5×	3.4k 1.5×	2.8k 2.1×	833	15.7k
Garry Rumbles United States	63	8.4k 1.0×	6.4k 1.8×	4.4k 1.6×	1.7k 0.8×	1.5k 1.1×	230	12.6k
Thomas Bjørnholm Denmark	50	3.8k 0.5×	2.3k 0.7×	701 0.3×	2.3k 1.0×	1.4k 1.0×	169	7.5k

Countries citing papers authored by Hisao Ishii

Since Specialization

Citations

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

Fields of papers citing papers by Hisao Ishii

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hisao Ishii

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

All Works

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20 of 20 papers shown

Lin, Zesen, Jin-Ting Ye, Yuya Tanaka, et al.. (2025). Blue organic long-persistent luminescence via upconversion from charge-transfer to locally excited singlet state. Nature Communications. 16(1). 2686–2686. 7 indexed citations

Suzuki, Masato, et al.. (2025). Kelvin Probe Method to Evaluate Polarization Properties of Liquids. The Journal of Physical Chemistry A. 129(11). 2812–2821. 1 indexed citations

Moriyama, Masaru, M. J. O’Hara, Katsuyuki Morii, et al.. (2025). Highly efficient photoelectron emission from stable low-work-function surfaces using organic bases. Applied Physics Letters. 126(24).

Nakamura, Ikuko, Kiyohisa Tanaka, Satoshi Yasuno, et al.. (2024). Reliable measurement of the density of states including occupied in-gap states of an amorphous In–Ga–Zn–O thin film via photoemission spectroscopies: Direct observation of light-induced in-gap states. Journal of Applied Physics. 135(8). 3 indexed citations

Yamane, Daisuke, et al.. (2023). Observation of Surface Potential of Micropatterned Self-assembled Electrets for MEMS Vibrational Energy Harvesters. Sensors and Materials. 35(6). 1985–1985. 3 indexed citations

Kinoshita, Shohei, et al.. (2023). Circuit Simulator Implementation of an Equivalent Circuit Model of Self‐Assembled Electret Vibrational Energy Harvesters Based on An Energy Diagram. IEEJ Transactions on Electrical and Electronic Engineering. 19(5). 920–924.

O’Hara, M. J., et al.. (2023). Impact of Intermittent Deposition on Spontaneous Orientation Polarization of Organic Amorphous Films Revealed by Rotary Kelvin Probe. ACS Applied Materials & Interfaces. 15(49). 57427–57433. 4 indexed citations

Tanaka, Yuya, et al.. (2022). Current Generation Mechanism in Self-assembled Electret-based Vibrational Energy Generators. Sensors and Materials. 34(5). 1859–1859. 7 indexed citations

Asano, K, Hisao Ishii, Katsuyuki Iwatsuki, et al.. (2021). Innervation of Meissner's corpuscles and Merkel ‐cells by transplantation of embryonic dorsal root ganglion cells after peripheral nerve section in rats. Journal of Tissue Engineering and Regenerative Medicine. 15(6). 586–595. 1 indexed citations

10.

Levine, Igal, Michael Kulbak, Carolin Rehermann, et al.. (2021). Direct Probing of Gap States and Their Passivation in Halide Perovskites by High-Sensitivity, Variable Energy Ultraviolet Photoelectron Spectroscopy. The Journal of Physical Chemistry C. 125(9). 5217–5225. 15 indexed citations

11.

O’Hara, M. J., Tatsuya Watanabe, Yuya Tanaka, & Hisao Ishii. (2021). Examination of Spontaneous Orientation Polarization in Wet‐Processed Tris(8‐hydroxyquinolinato)aluminum Film Measured by Rotary Kelvin Probe Method. physica status solidi (a). 218(16). 6 indexed citations

12.

Koswattage, Kaveenga Rasika & Hisao Ishii. (2020). Photoemission investigation of interaction between L‐cysteine and silver surface. Surface and Interface Analysis. 52(8). 513–517. 4 indexed citations

13.

Futera, Zdeněk, Kavita Garg, Xiuyun Jiang, et al.. (2020). Coherent Electron Transport across a 3 nm Bioelectronic Junction Made of Multi-Heme Proteins. The Journal of Physical Chemistry Letters. 11(22). 9766–9774. 52 indexed citations

14.

Noguchi, Yutaka, et al.. (2020). Influence of intermolecular interactions on the formation of spontaneous orientation polarization in organic semiconducting films. Journal of the Society for Information Display. 29(1). 29–37. 24 indexed citations

15.

Noguchi, Yutaka, Wolfgang Brütting, & Hisao Ishii. (2019). Spontaneous orientation polarization in organic light-emitting diodes. Japanese Journal of Applied Physics. 58(SF). SF0801–SF0801. 69 indexed citations

16.

Asano, K, Hisao Ishii, Katsuyuki Iwatsuki, et al.. (2019). Muscle spindle reinnervation using transplanted embryonic dorsal root ganglion cells after peripheral nerve transection in rats. Cell Proliferation. 52(5). e12660–e12660. 9 indexed citations

17.

Paque, J. M., et al.. (2013). Low Temperature Carbonate Control of Barium in Igneous Ca-, Al-Rich Inclusions. Lunar and Planetary Science Conference. 2505. 1 indexed citations

18.

Ishii, Hisao, K. Sugiyama, Etsuro Ito, & Kazuhiko Seki. (1999). Energy level alignment and interfacial electronic structures at organic/metal and organic/organic interfaces (vol 11, pg 605, 1999). Advanced Materials. 11(12). 972–972. 43 indexed citations

19.

Ishii, Hisao, Shinji Hasegawa, Daisuke Yoshimura, et al.. (1997). Electronic Structures of Porphyrins and their Interfaces with Metals Studied by UV Photoemission. Molecular crystals and liquid crystals science technology. Section A, Molecular crystals and liquid crystals. 296(1). 427–444. 14 indexed citations

20.

Ishii, Hisao, et al.. (1987). IGTC-92 An Analysis of Blade Vibration of an Axial Flow Compressor during Rotating Stall(Session C-6 STRENGTH AND VIBRATION). 1987(3). 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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