Frank Ortmann

5.7k total citations · 1 hit paper
104 papers, 4.3k citations indexed

About

Frank Ortmann is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Frank Ortmann has authored 104 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 70 papers in Electrical and Electronic Engineering, 46 papers in Materials Chemistry and 38 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Frank Ortmann's work include Organic Electronics and Photovoltaics (47 papers), Molecular Junctions and Nanostructures (33 papers) and Graphene research and applications (23 papers). Frank Ortmann is often cited by papers focused on Organic Electronics and Photovoltaics (47 papers), Molecular Junctions and Nanostructures (33 papers) and Graphene research and applications (23 papers). Frank Ortmann collaborates with scholars based in Germany, Spain and France. Frank Ortmann's co-authors include F. Bechstedt, W. G. Schmidt, Karsten Hannewald, Stephan Roche, Karl Sebastian Schellhammer, Gianaurelio Cuniberti, Dinh Van Tuan, Karl Leo, Xinliang Feng and Sebastian Hutsch and has published in prestigious journals such as Journal of the American Chemical Society, Physical Review Letters and Advanced Materials.

In The Last Decade

Frank Ortmann

102 papers receiving 4.3k 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.

Semiempirical van der Waals correction to the density functional description of solids and molecular structures

2006 714 citations Frank Ortmann, F. Bechstedt et al. Physical Review B profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Frank Ortmann Germany	36	2.4k	2.2k	1.2k	780	569	104	4.3k
E. Goovaerts Belgium	32	2.3k 1.0×	1.8k 0.8×	1.7k 1.4×	767 1.0×	394 0.7×	197	4.9k
Hideo Kishida Japan	31	1.7k 0.7×	1.2k 0.5×	947 0.8×	473 0.6×	579 1.0×	167	4.2k
Eun‐Cheol Lee South Korea	29	1.8k 0.7×	1.5k 0.7×	558 0.5×	510 0.7×	471 0.8×	105	3.5k
Claudio Fontanesi Italy	30	1.1k 0.4×	2.0k 0.9×	779 0.7×	495 0.6×	487 0.9×	161	3.6k
Adam P. Willard United States	30	1.5k 0.6×	1.5k 0.7×	1.0k 0.9×	532 0.7×	630 1.1×	77	4.1k
Junrong Zheng China	37	1.3k 0.5×	1.7k 0.8×	2.0k 1.7×	372 0.5×	400 0.7×	83	4.8k
R. Tubino Italy	36	3.5k 1.5×	2.7k 1.3×	893 0.8×	774 1.0×	638 1.1×	195	5.3k
Jean‐Louis Sauvajol France	38	4.1k 1.7×	966 0.4×	895 0.8×	609 0.8×	873 1.5×	182	4.9k
Taijū Tsuboi Japan	33	3.4k 1.4×	3.0k 1.4×	578 0.5×	542 0.7×	214 0.4×	228	4.5k
Roland Resel Austria	50	3.7k 1.5×	5.1k 2.3×	1.8k 1.5×	1.2k 1.6×	560 1.0×	325	8.1k

Countries citing papers authored by Frank Ortmann

Since Specialization

Citations

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

Fields of papers citing papers by Frank Ortmann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Frank Ortmann

This figure shows the co-authorship network connecting the top 25 collaborators of Frank Ortmann. A scholar is included among the top collaborators of Frank Ortmann 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 Frank Ortmann. Frank Ortmann 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

Kleemann, Hans, et al.. (2025). Novel Cerium‐Based p‐Dopants with Low Parasitic Absorption for Improved Organic Devices. Advanced Science. 12(14). e2414959–e2414959. 2 indexed citations

Fuchs, L., Marcello Righetto, Roman Guntermann, et al.. (2025). Spatiotemporal Spectroscopy of Fast Excited-State Diffusion in 2D Covalent Organic Framework Thin Films. Journal of the American Chemical Society. 147(2). 1758–1766. 8 indexed citations

Ortmann, Frank, et al.. (2024). Engineering the electrostatic potential in a COF's pore by selecting quadrupolar building blocks and linkages. npj 2D Materials and Applications. 8(1). 2 indexed citations

Günther, Florian, et al.. (2024). Direct visualization of the charge transfer state dynamics in dilute-donor organic photovoltaic blends. Nature Communications. 15(1). 9851–9851. 4 indexed citations

Wang, Shu‐Jen, Sebastian Hutsch, Felix Talnack, et al.. (2023). Band Structure Engineering in Highly Crystalline Organic Semiconductors. Chemistry of Materials. 35(18). 7867–7874. 3 indexed citations

Matysik, Jörg, et al.. (2023). Spin Dynamics of Flavoproteins. International Journal of Molecular Sciences. 24(9). 8218–8218. 10 indexed citations

Schellhammer, Karl Sebastian, Fupin Liu, Yulia Krupskaya, et al.. (2023). Directed exciton transport highways in organic semiconductors. Nature Communications. 14(1). 5599–5599. 18 indexed citations

Talnack, Felix, Sebastian Hutsch, Yulia Krupskaya, et al.. (2022). Thermal behavior and polymorphism of 2,9-didecyldinaphtho[2,3-b:2′,3′-f]thieno[3,2-b]thiophene thin films. Molecular Systems Design & Engineering. 7(5). 507–519. 10 indexed citations

Shin, Nara, Karl Sebastian Schellhammer, Min Ho Lee, et al.. (2021). Electronic Doping and Enhancement of n‐Channel Polycrystalline OFET Performance through Gate Oxide Modifications with Aminosilanes. Advanced Materials Interfaces. 8(16). 10 indexed citations

10.

Ajayakumar, M. R., Ji Ma, Andrea Lucotti, et al.. (2021). Persistent peri ‐Heptacene: Synthesis and In Situ Characterization. Angewandte Chemie. 133(25). 13972–13977. 11 indexed citations

11.

Ortstein, Katrin, Sebastian Hutsch, Mike Hambsch, et al.. (2021). Band gap engineering in blended organic semiconductor films based on dielectric interactions. Nature Materials. 20(10). 1407–1413. 26 indexed citations

12.

Perinot, Andrea, Hartmut Komber, Sandra Hultmark, et al.. (2021). Influence of synthetic pathway, molecular weight and side chains on properties of indacenodithiophene-benzothiadiazole copolymers made by direct arylation polycondensation. Journal of Materials Chemistry C. 9(13). 4597–4606. 9 indexed citations

13.

Hutsch, Sebastian, Johannes Benduhn, Karl Sebastian Schellhammer, et al.. (2020). Molecular vibrations reduce the maximum achievable photovoltage in organic solar cells. Nature Communications. 11(1). 1488–1488. 46 indexed citations

14.

Ma, Ji, Ke Zhang, Karl Sebastian Schellhammer, et al.. (2019). Wave-shaped polycyclic hydrocarbons with controlled aromaticity. Chemical Science. 10(14). 4025–4031. 46 indexed citations

15.

Schwarze, Martin, Karl Sebastian Schellhammer, Katrin Ortstein, et al.. (2019). Impact of molecular quadrupole moments on the energy levels at organic heterojunctions. Nature Communications. 10(1). 2466–2466. 117 indexed citations

16.

Schwarze, Martin, Christopher Gaul, Reinhard Scholz, et al.. (2019). Molecular parameters responsible for thermally activated transport in doped organic semiconductors. Nature Materials. 18(3). 242–248. 145 indexed citations

17.

Kaiser, Christina, Karl Sebastian Schellhammer, Johannes Benduhn, et al.. (2019). Manipulating the Charge Transfer Absorption for Narrowband Light Detection in the Near-Infrared. Chemistry of Materials. 31(22). 9325–9330. 45 indexed citations

18.

Tuan, Dinh Van, Frank Ortmann, Aron W. Cummings, David Soriano, & Stephan Roche. (2016). Spin dynamics and relaxation in graphene dictated by electron-hole puddles. LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas). 27 indexed citations

19.

Soriano, David, Frank Ortmann, & Stephan Roche. (2012). Three-Dimensional Models of Topological Insulators: Engineering of Dirac Cones and Robustness of the Spin Texture. Physical Review Letters. 109(26). 266805–266805. 18 indexed citations

20.

Ortmann, Frank, et al.. (2010). Au(110)上の単一システインの吸着第一原理研究. Physical Review B. 81(4). 1–45407. 18 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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