Robert Hahn

6.9k total citations · 3 hit papers
117 papers, 5.7k citations indexed

About

Robert Hahn is a scholar working on Electrical and Electronic Engineering, Renewable Energy, Sustainability and the Environment and Materials Chemistry. According to data from OpenAlex, Robert Hahn has authored 117 papers receiving a total of 5.7k indexed citations (citations by other indexed papers that have themselves been cited), including 60 papers in Electrical and Electronic Engineering, 46 papers in Renewable Energy, Sustainability and the Environment and 39 papers in Materials Chemistry. Recurrent topics in Robert Hahn's work include TiO2 Photocatalysis and Solar Cells (25 papers), Advancements in Battery Materials (24 papers) and Advanced Photocatalysis Techniques (24 papers). Robert Hahn is often cited by papers focused on TiO2 Photocatalysis and Solar Cells (25 papers), Advancements in Battery Materials (24 papers) and Advanced Photocatalysis Techniques (24 papers). Robert Hahn collaborates with scholars based in Germany, United States and Saudi Arabia. Robert Hahn's co-authors include Patrik Schmuki, Andrei Ghicov, Jan M. Macák, Hiroaki Tsuchiya, Kouji Yasuda, Sebastian Bauer, Sergiu P. Albu, Giuseppe Antonio Elia, Krystan Marquardt and Katrin Hoeppner 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

Robert Hahn

116 papers receiving 5.6k 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.

TiO2 nanotubes: Self-organized electrochemical formation, properties and applications

2007 1.2k citations Robert Hahn, Patrik Schmuki et al. profile →
An Overview and Future Perspectives of Aluminum Batteries

2016 746 citations Giuseppe Antonio Elia, Robert Hahn et al. profile →
Self-Organized, Free-Standing TiO₂ Nanotube Membrane for Flow-through Photocatalytic Applications

2007 637 citations Robert Hahn, Patrik Schmuki et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Robert Hahn Germany	34	2.7k	2.7k	2.6k	827	680	117	5.7k
Jun‐Young Park South Korea	36	2.4k 0.9×	2.2k 0.8×	1.1k 0.4×	670 0.8×	700 1.0×	249	4.3k
Mingyang Li China	47	5.2k 1.9×	3.3k 1.2×	5.4k 2.1×	799 1.0×	873 1.3×	237	8.6k
O. Savadogo Canada	35	2.1k 0.8×	3.4k 1.3×	2.1k 0.8×	976 1.2×	426 0.6×	151	5.5k
Guohua Gao China	38	1.8k 0.7×	3.5k 1.3×	2.3k 0.9×	430 0.5×	1.7k 2.5×	118	5.7k
Andrea Lamberti Italy	41	2.1k 0.8×	2.3k 0.9×	1.6k 0.6×	1.8k 2.1×	2.0k 2.9×	171	5.6k
Kai Qi China	35	1.5k 0.6×	2.6k 1.0×	2.2k 0.8×	517 0.6×	1.3k 1.9×	110	4.7k
Zichao Yang China	17	2.2k 0.8×	2.2k 0.8×	836 0.3×	474 0.6×	1.1k 1.6×	32	4.4k
Jin Xu China	39	1.2k 0.5×	2.2k 0.8×	903 0.3×	739 0.9×	732 1.1×	146	5.2k
Turgut M. Gür United States	38	3.9k 1.4×	3.7k 1.4×	1.7k 0.6×	802 1.0×	1.4k 2.0×	112	7.0k
Qing Han China	49	5.8k 2.1×	4.2k 1.6×	5.5k 2.1×	650 0.8×	1.0k 1.5×	223	9.6k

Countries citing papers authored by Robert Hahn

Since Specialization

Citations

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

Fields of papers citing papers by Robert Hahn

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Robert Hahn

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

Das, Sayan, et al.. (2025). Advanced garnet-polymer hybrid electrolytes for enhanced lithium metal battery performance. Materials Today Energy. 49. 101846–101846. 2 indexed citations

Hahn, Robert, et al.. (2023). Energy Assessment of Different Powertrain Options for Heavy-Duty Vehicles and Energy Implications of Autonomous Driving. Energies. 16(18). 6512–6512. 4 indexed citations

Greco, Giorgia, Giuseppe Antonio Elia, Daniel Hermida‐Merino, Robert Hahn, & Simone Raoux. (2023). A Direct Real‐Time Observation of Anion Intercalation in Graphite Process and Its Fully Reversibility by SAXS/WAXS Techniques. Small Methods. 7(6). e2201633–e2201633. 9 indexed citations

Elia, Giuseppe Antonio, Giorgia Greco, Paul H. Kamm, et al.. (2020). Simultaneous X‐Ray Diffraction and Tomography Operando Investigation of Aluminum/Graphite Batteries. Advanced Functional Materials. 30(43). 36 indexed citations

Greco, Giorgia, Dragomir Tatchev, Armin Hoell, et al.. (2018). Influence of the electrode nano/microstructure on the electrochemical properties of graphite in aluminum batteries. Journal of Materials Chemistry A. 6(45). 22673–22680. 25 indexed citations

Rauscher, T., Thomas Gimpel, Robert Hahn, et al.. (2018). Ultrashort-pulse laser structured titanium surfaces with sputter-coated platinum catalyst as hydrogen evolution electrodes for alkaline water electrolysis. International Journal of Hydrogen Energy. 43(15). 7216–7226. 37 indexed citations

Hahn, Robert, et al.. (2016). Variable Capacitor Energy Harvesting Based on Polymer Dielectric and Composite Electrode. Energy Harvesting and Systems. 3(4). 277–285. 3 indexed citations

Maurer, Johannes, et al.. (2016). Embedding of wearable electronics into smart sensor insole. Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft). 597–601. 5 indexed citations

Melzer, Christian, et al.. (2015). Mechanical Testing on the Core Sample Transportation Mechanism of the ExoMars 2018 Mission. ESA Special Publication. 737. 53. 1 indexed citations

10.

Al‐Thabaiti, Shaeel A., Robert Hahn, Ning Liu, et al.. (2014). NH3 treatment of TiO2 nanotubes: from N-doping to semimetallic conductivity. Chemical Communications. 50(59). 7960–7960. 26 indexed citations

11.

Kado, Yuya, Robert Hahn, Chong Lee, & Patrik Schmuki. (2012). Strongly enhanced photocurrent response for Na doped Ta3N5-nano porous structure. Electrochemistry Communications. 17. 67–70. 40 indexed citations

12.

Jha, Himendra, Poulomi Roy, Robert Hahn, Indhumati Paramasivam, & Patrik Schmuki. (2011). Fast formation of aligned high-aspect ratio TiO2 nanotube bundles that lead to increased open circuit voltage when used in dye sensitized solar cells. Electrochemistry Communications. 13(3). 302–305. 14 indexed citations

13.

Hahn, Robert. (2008). Ethanol: Law, Economics, and Politics. 19(3). 434. 2 indexed citations

14.

Hahn, Robert, et al.. (2008). Development of micro fuel cells with organic substrates and electronics manufacturing technologies. Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft). 15. 1323–1331. 3 indexed citations

15.

Hahn, Robert, et al.. (2006). Low profile power inductors based on ferromagnetic LTCC technology. Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft). 6 pp.–6 pp.. 38 indexed citations

16.

Hahn, Robert. (2004). Autonomous Energy Supply for Electronic Grains and Wireless Sensors. Frequenz. 58(3-4). 3 indexed citations

17.

Hahn, Robert, A. Ginolas, J.K. Wolf, et al.. (2002). High power multichip modules employing the planar embedding technique and microchannel water heat sinks. 49–56. 13 indexed citations

18.

Hahn, Robert, et al.. (1999). High performance liquid cooled aluminium nitride heat sinks. Microelectronics International. 16(1). 21–26. 10 indexed citations

19.

Hahn, Robert, et al.. (1996). Measurement of inductive coupling between coplanar superconducting transmission lines. IEEE Transactions on Applied Superconductivity. 6(1). 5–9. 1 indexed citations

20.

Hahn, Robert, et al.. (1986). Assessing the Influence of Power Pools on Emission Constrained Economic Dispatch. IEEE Power Engineering Review. PER-6(2). 30–31. 3 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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