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

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

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

20 of 20 papers shown

#	Work	Indexed citations
1	Long‐Lived Excimer‐Like Emission From a π‐Stacked Trichromophore Comprising Perylene Monoimide and Perylene Diimide Units 2025 ·Chemistry - A European Journal ·(unknown), Ramsha Khan, (unknown), Nikolai V. Tkachenko, (unknown), Özgür Altan Bozdemir, Anthony Harriman	0
2	Ultrafast Modulation of Guided‐Mode Resonance in a Nonlinear Silicon Nitride Grating 2025 ·Advanced Optical Materials ·(unknown), Nikolai V. Tkachenko, Robert Fickler, Tapio Niemi	1
3	Elucidating the Supramolecular Interaction of Positively Supercharged Fluorescent Protein with Anionic Phthalocyanines 2024 ·Advanced Biology ·(unknown), Ramsha Khan, (unknown), (unknown), Rubén D. Costa, Petr Zimčík, Veronika Novakova, Tero‐Petri Ruoko, Nikolai V. Tkachenko, Eduardo Anaya‐Plaza, Mauri A. Kostiainen	0
4	Contactless analysis of surface passivation and charge transfer at the TiO₂–Si interface 2024 ·Physical Chemistry Chemical Physics ·Ramsha Khan, Xiaolong Liu, Ville Vähänissi, Harri Ali‐Löytty, Hannu P. Pasanen, Hele Savin, Nikolai V. Tkachenko	2
5	Tailoring the Surface Properties of ZnO Nanowires by ALD Deposition 2024 ·Advanced Materials Technologies ·C. Baratto, G. Faglia, (unknown), Matteo Ferroni, (unknown), (unknown), (unknown), Tapio Niemi, Nikolai V. Tkachenko, V. Golovanov	2
6	Effect of Single-Crystal TiO₂/Perovskite Band Alignment on the Kinetics of Electron Extraction 2024 ·The Journal of Physical Chemistry Letters ·(unknown), Hannu P. Pasanen, Ramsha Khan, Nikolai V. Tkachenko, Csaba Janáky, Gergely F. Samu	9
7	The windmill, the dragon, and the frog: geometry control over the spectral, magnetic, and electrochemical properties of cobalt phthalocyanine regioisomers 2024 ·Physical Chemistry Chemical Physics ·Nikolai V. Tkachenko, V. Golovanov, (unknown), (unknown), M. R. Ajayakumar, Atsuya Muranaka, Nagao Kobayashi, Alexander Efimov	3
8	Transient Absorption Spectroscopy of Films: Impact of Refractive Index 2024 ·The Journal of Physical Chemistry C ·Hannu P. Pasanen, Ramsha Khan, (unknown), Nikolai V. Tkachenko	12
9	Electron‐Deficient Phenanthrenequinone Derivative for Photoactivated Hydrogen Atom Transfer Mediated Oxidation of Secondary Alcohols 2023 ·ChemPhotoChem ·(unknown), (unknown), (unknown), Nikita A. Durandin, Nikolai V. Tkachenko, Martin Nieger, Juho Helaja	1
10	Is carrier mobility a limiting factor for charge transfer in TiO 2 /Si devices? A study by transient reflectance spectroscopy 2023 ·Surfaces and Interfaces ·Ramsha Khan, Hannu P. Pasanen, Harri Ali‐Löytty, Hussein M. Ayedh, Jesse Saari, Ville Vähänissi, Mika Valden, Hele Savin, Nikolai V. Tkachenko	4
11	Thermodynamic Control of Intramolecular Singlet Fission and Exciton Transport in Linear Tetracene Oligomers 2022 ·Angewandte Chemie International Edition ·Shunta Nakamura, Hayato Sakai, Masaaki Fuki, (unknown), Fumitaka Ishiwari, Akinori Saeki, Nikolai V. Tkachenko, Yasuhiro Kobori, Taku Hasobe	18
12	Thermodynamic Control of Intramolecular Singlet Fission and Exciton Transport in Linear Tetracene Oligomers 2022 ·Angewandte Chemie ·Shunta Nakamura, Hayato Sakai, Masaaki Fuki, (unknown), Fumitaka Ishiwari, Akinori Saeki, Nikolai V. Tkachenko, Yasuhiro Kobori, Taku Hasobe	1
13	Supramolecular Singlet Fission of Pentacene Dimers within Polyaromatic Capsules 2021 ·Journal of the American Chemical Society ·Lorenzo Catti, (unknown), Yuya Tanaka, Hayato Sakai, Taku Hasobe, Nikolai V. Tkachenko, Michito Yoshizawa	29
14	Fast non-ambipolar diffusion of charge carriers and the impact of traps and hot carriers on it in CsMAFA perovskite and GaAs 2021 ·Materials Advances ·Hannu P. Pasanen, Maning Liu, Hermann Kahle, Paola Vivo, Nikolai V. Tkachenko	4
15	Comparison of the heat-treatment effect on carrier dynamics in TiO₂ thin films deposited by different methods 2021 ·Physical Chemistry Chemical Physics ·Ramsha Khan, Harri Ali‐Löytty, Antti Tukiainen, Nikolai V. Tkachenko	10
16	Optimization of Photogenerated Charge Carrier Lifetimes in ALD Grown TiO2 for Photonic Applications 2020 ·Nanomaterials ·Ramsha Khan, Harri Ali‐Löytty, Jesse Saari, Mika Valden, Antti Tukiainen, Kimmo Lahtonen, Nikolai V. Tkachenko	27
17	Effects of orientation at the phthalocyanine–CdSe interface on the electron transfer characteristics 2017 ·Physical Chemistry Chemical Physics ·V. Golovanov, (unknown), Viktoria Golovanova, Nikolai V. Tkachenko, Tapio T. Rantala	4
18	Structural photoactivation of a full-length bacterial phytochrome 2016 ·Science Advances ·Alexander Björling, Oskar Berntsson, Heli Lehtivuori, Heikki Takala, Ashley J. Hughes, Matthijs R. Panman, Maria Hoernke, Stephan Niebling, Léocadie Henry, Robert Henning, Irina Kosheleva, Vladimir Chukharev, Nikolai V. Tkachenko, Andreas Menzel, Gemma Newby, Dmitry Khakhulin, Michaël Wulff, Janne A. Ihalainen, Sebastian Westenhoff	92
19	Carbon Nanotube Wiring of Donor–Acceptor Nanograins by Self‐Assembly and Efficient Charge Transport 2011 ·Angewandte Chemie ·Tomokazu Umeyama, Noriyasu Tezuka, (unknown), Shu Seki, Yoshihiro Matano, Yoshihide Nakao, Tetsuya Shishido, Masayuki Nishi, Kazuyuki Hirao, Heli Lehtivuori, Nikolai V. Tkachenko, Helge Lemmetyinen, Hiroshi Imahori	5
20	Carbon Nanotube Wiring of Donor–Acceptor Nanograins by Self‐Assembly and Efficient Charge Transport 2011 ·Angewandte Chemie International Edition ·Tomokazu Umeyama, Noriyasu Tezuka, (unknown), Shu Seki, Yoshihiro Matano, Yoshihide Nakao, Tetsuya Shishido, Masayuki Nishi, Kazuyuki Hirao, Heli Lehtivuori, Nikolai V. Tkachenko, Helge Lemmetyinen, Hiroshi Imahori	38

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.

Explore authors with similar magnitude of impact