Nikolai V. Tkachenko

10.0k total citations · 1 hit paper
299 papers, 8.5k citations indexed

About

Nikolai V. Tkachenko is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Organic Chemistry. According to data from OpenAlex, Nikolai V. Tkachenko has authored 299 papers receiving a total of 8.5k indexed citations (citations by other indexed papers that have themselves been cited), including 212 papers in Materials Chemistry, 109 papers in Electrical and Electronic Engineering and 90 papers in Organic Chemistry. Recurrent topics in Nikolai V. Tkachenko's work include Porphyrin and Phthalocyanine Chemistry (131 papers), Photochemistry and Electron Transfer Studies (75 papers) and Fullerene Chemistry and Applications (63 papers). Nikolai V. Tkachenko is often cited by papers focused on Porphyrin and Phthalocyanine Chemistry (131 papers), Photochemistry and Electron Transfer Studies (75 papers) and Fullerene Chemistry and Applications (63 papers). Nikolai V. Tkachenko collaborates with scholars based in Finland, Japan and Russia. Nikolai V. Tkachenko's co-authors include Helge Lemmetyinen, Hiroshi Imahori, Shunichi Fukuzumi, Alexander Efimov, Kei Ohkubo, Tomokazu Umeyama, Hiroaki Kotani, Visa Vehmanen, Marja Niemi and Yoshihiro Matano 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

Nikolai V. Tkachenko

292 papers receiving 8.0k 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.

Electron-Transfer State of 9-Mesityl-10-methylacridinium Ion with a Much Longer Lifetime and Higher Energy Than That of the Natural Photosynthetic Reaction Center

2004 605 citations Nikolai V. Tkachenko, Helge Lemmetyinen 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						Papers	Cites
Nikolai V. Tkachenko Finland	45	5.9k	2.9k	2.7k	1.6k	1.4k	299	8.5k
Oliver S. Wenger Switzerland	60	5.8k 1.0×	5.3k 1.9×	3.1k 1.1×	1.8k 1.1×	2.5k 1.8×	268	11.7k
Ayan Datta India	48	4.4k 0.8×	2.3k 0.8×	2.1k 0.8×	1.1k 0.6×	1.2k 0.8×	314	8.3k
Albert M. Brouwer Netherlands	42	4.7k 0.8×	3.2k 1.1×	1.8k 0.7×	1.4k 0.8×	427 0.3×	198	9.0k
Wai‐Ming Kwok Hong Kong	46	4.4k 0.8×	1.7k 0.6×	2.5k 0.9×	1.5k 0.9×	643 0.5×	154	7.4k
Nagatoshi Koumura Japan	35	4.5k 0.8×	3.0k 1.0×	1.6k 0.6×	465 0.3×	3.0k 2.2×	90	8.3k
Hirendra N. Ghosh India	47	5.7k 1.0×	885 0.3×	3.3k 1.2×	1.4k 0.9×	2.9k 2.1×	265	8.2k
Gianfranco Scorrano Italy	50	5.3k 0.9×	5.4k 1.9×	1.2k 0.4×	933 0.6×	1.1k 0.8×	214	9.1k
Gion Calzaferri Switzerland	53	6.7k 1.1×	999 0.3×	1.9k 0.7×	1.1k 0.7×	1.1k 0.8×	265	9.3k
Naoki Aratani Japan	53	10.5k 1.8×	4.3k 1.5×	2.7k 1.0×	1.2k 0.8×	551 0.4×	285	13.5k
Glib Baryshnikov Sweden	45	4.4k 0.7×	2.3k 0.8×	2.7k 1.0×	661 0.4×	596 0.4×	281	6.8k

Countries citing papers authored by Nikolai V. Tkachenko

Since Specialization

Citations

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

Fields of papers citing papers by Nikolai V. Tkachenko

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Nikolai V. Tkachenko. 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 Nikolai V. Tkachenko. The network helps show where Nikolai V. Tkachenko may publish in the future.

Co-authorship network of co-authors of Nikolai V. Tkachenko

This figure shows the co-authorship network connecting the top 25 collaborators of Nikolai V. Tkachenko. A scholar is included among the top collaborators of Nikolai V. Tkachenko 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 Nikolai V. Tkachenko. Nikolai V. Tkachenko 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

1.

Khan, Ramsha, et al.. (2025). Long‐Lived Excimer‐Like Emission From a π‐Stacked Trichromophore Comprising Perylene Monoimide and Perylene Diimide Units. Chemistry - A European Journal. 31(30). e202500810–e202500810.

2.

Tkachenko, Nikolai V., et al.. (2025). Ultrafast Modulation of Guided‐Mode Resonance in a Nonlinear Silicon Nitride Grating. Advanced Optical Materials. 13(7). 1 indexed citations

3.

Khan, Ramsha, Rubén D. Costa, Petr Zimčík, et al.. (2024). Elucidating the Supramolecular Interaction of Positively Supercharged Fluorescent Protein with Anionic Phthalocyanines. Advanced Biology. 9(5). e2400308–e2400308.

4.

Khan, Ramsha, Xiaolong Liu, Ville Vähänissi, et al.. (2024). Contactless analysis of surface passivation and charge transfer at the TiO₂–Si interface. Physical Chemistry Chemical Physics. 26(21). 15268–15276. 2 indexed citations

5.

Baratto, C., G. Faglia, Matteo Ferroni, et al.. (2024). Tailoring the Surface Properties of ZnO Nanowires by ALD Deposition. Advanced Materials Technologies. 10(4). 2 indexed citations

6.

Pasanen, Hannu P., et al.. (2024). Effect of Single-Crystal TiO₂/Perovskite Band Alignment on the Kinetics of Electron Extraction. The Journal of Physical Chemistry Letters. 15(7). 2057–2065. 9 indexed citations

7.

Tkachenko, Nikolai V., V. Golovanov, M. R. Ajayakumar, et al.. (2024). The windmill, the dragon, and the frog: geometry control over the spectral, magnetic, and electrochemical properties of cobalt phthalocyanine regioisomers. Physical Chemistry Chemical Physics. 26(26). 18113–18128. 3 indexed citations

8.

Pasanen, Hannu P., et al.. (2024). Transient Absorption Spectroscopy of Films: Impact of Refractive Index. The Journal of Physical Chemistry C. 128(15). 6167–6179. 12 indexed citations

9.

Durandin, Nikita A., et al.. (2023). Electron‐Deficient Phenanthrenequinone Derivative for Photoactivated Hydrogen Atom Transfer Mediated Oxidation of Secondary Alcohols. ChemPhotoChem. 7(10). 1 indexed citations

10.

Khan, Ramsha, Hannu P. Pasanen, Harri Ali‐Löytty, et al.. (2023). Is carrier mobility a limiting factor for charge transfer in TiO 2 /Si devices? A study by transient reflectance spectroscopy. Surfaces and Interfaces. 38. 102871–102871. 4 indexed citations

11.

Nakamura, Shunta, Hayato Sakai, Masaaki Fuki, et al.. (2022). Thermodynamic Control of Intramolecular Singlet Fission and Exciton Transport in Linear Tetracene Oligomers. Angewandte Chemie International Edition. 62(8). e202217704–e202217704. 18 indexed citations

12.

Nakamura, Shunta, Hayato Sakai, Masaaki Fuki, et al.. (2022). Thermodynamic Control of Intramolecular Singlet Fission and Exciton Transport in Linear Tetracene Oligomers. Angewandte Chemie. 135(8). 1 indexed citations

13.

Catti, Lorenzo, Yuya Tanaka, Hayato Sakai, et al.. (2021). Supramolecular Singlet Fission of Pentacene Dimers within Polyaromatic Capsules. Journal of the American Chemical Society. 143(25). 9361–9367. 29 indexed citations

14.

Pasanen, Hannu P., Maning Liu, Hermann Kahle, Paola Vivo, & Nikolai V. Tkachenko. (2021). Fast non-ambipolar diffusion of charge carriers and the impact of traps and hot carriers on it in CsMAFA perovskite and GaAs. Materials Advances. 2(20). 6613–6619. 4 indexed citations

15.

Khan, Ramsha, Harri Ali‐Löytty, Antti Tukiainen, & Nikolai V. Tkachenko. (2021). Comparison of the heat-treatment effect on carrier dynamics in TiO₂ thin films deposited by different methods. Physical Chemistry Chemical Physics. 23(32). 17672–17682. 10 indexed citations

16.

Khan, Ramsha, Harri Ali‐Löytty, Jesse Saari, et al.. (2020). Optimization of Photogenerated Charge Carrier Lifetimes in ALD Grown TiO2 for Photonic Applications. Nanomaterials. 10(8). 1567–1567. 27 indexed citations

17.

Golovanov, V., et al.. (2017). Effects of orientation at the phthalocyanine–CdSe interface on the electron transfer characteristics. Physical Chemistry Chemical Physics. 19(16). 10511–10517. 4 indexed citations

18.

Björling, Alexander, Oskar Berntsson, Heli Lehtivuori, et al.. (2016). Structural photoactivation of a full-length bacterial phytochrome. Science Advances. 2(8). e1600920–e1600920. 92 indexed citations

19.

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

20.

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

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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