Thomas Unold

19.1k total citations · 6 hit papers
244 papers, 12.0k citations indexed

About

Thomas Unold is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Thomas Unold has authored 244 papers receiving a total of 12.0k indexed citations (citations by other indexed papers that have themselves been cited), including 236 papers in Electrical and Electronic Engineering, 209 papers in Materials Chemistry and 70 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Thomas Unold's work include Chalcogenide Semiconductor Thin Films (188 papers), Quantum Dots Synthesis And Properties (171 papers) and Copper-based nanomaterials and applications (73 papers). Thomas Unold is often cited by papers focused on Chalcogenide Semiconductor Thin Films (188 papers), Quantum Dots Synthesis And Properties (171 papers) and Copper-based nanomaterials and applications (73 papers). Thomas Unold collaborates with scholars based in Germany, United States and United Kingdom. Thomas Unold's co-authors include J.A. Marquez, Martin Stolterfoht, Hans‐Werner Schock, Christian A. Kaufmann, Dieter Neher, Charles J. Hages, Thomas Kirchartz, Christian M. Wolff, Hannes Hempel and S. Levcenko and has published in prestigious journals such as Journal of the American Chemical Society, Physical Review Letters and Advanced Materials.

In The Last Decade

Thomas Unold

240 papers receiving 11.8k citations

Hit Papers

5 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.

Visualization and suppression of interfacial recombination for high-efficiency large-area pin perovskite solar cells

2018 831 citations Martin Stolterfoht, Christian M. Wolff et al. profile →
The impact of energy alignment and interfacial recombination on the internal and external open-circuit voltage of perovskite solar cells

2019 735 citations Martin Stolterfoht, Pietro Caprioglio et al. Energy & Environmental Science profile →
Photoluminescence‐Based Characterization of Halide Perovskites for Photovoltaics

2020 411 citations J.A. Marquez, Martin Stolterfoht et al. Advanced Energy Materials profile →
On the Relation between the Open‐Circuit Voltage and Quasi‐Fermi Level Splitting in Efficient Perovskite Solar Cells

2019 390 citations Pietro Caprioglio, Martin Stolterfoht et al. Advanced Energy Materials profile →
Charge transfer rates and electron trapping at buried interfaces of perovskite solar cells

2021 311 citations Igal Levine, Amran Al‐Ashouri et al. profile →
Understanding Performance Limiting Interfacial Recombination in pin Perovskite Solar Cells

2022 201 citations Jonathan Warby, Fengshuo Zu et al. Advanced Energy Materials profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Thomas Unold Germany	58	11.2k	9.0k	2.2k	1.8k	494	244	12.0k
Ahmed L. Abdelhady Italy	33	8.1k 0.7×	7.2k 0.8×	1.1k 0.5×	1.1k 0.6×	561 1.1×	61	8.8k
Erkki Alarousu Saudi Arabia	39	12.4k 1.1×	10.1k 1.1×	2.9k 1.3×	1.5k 0.9×	747 1.5×	85	13.5k
Yana Vaynzof Germany	50	8.0k 0.7×	5.3k 0.6×	3.1k 1.4×	600 0.3×	814 1.6×	240	9.3k
Qi Jiang China	42	15.1k 1.3×	9.0k 1.0×	6.2k 2.8×	1.9k 1.1×	639 1.3×	144	15.8k
Valerio Adinolfi Canada	19	7.8k 0.7×	6.4k 0.7×	1.7k 0.8×	837 0.5×	307 0.6×	30	8.3k
İbrahim Dursun Saudi Arabia	26	8.2k 0.7×	6.8k 0.8×	1.2k 0.5×	1.5k 0.8×	380 0.8×	42	8.5k
Grant Walters Canada	40	9.8k 0.9×	8.6k 1.0×	1.6k 0.7×	955 0.5×	592 1.2×	53	10.4k
Riccarda Caputo Switzerland	19	8.0k 0.7×	7.6k 0.8×	651 0.3×	1.6k 0.9×	559 1.1×	39	9.1k
Jay B. Patel United Kingdom	38	6.6k 0.6×	4.8k 0.5×	1.8k 0.8×	708 0.4×	216 0.4×	85	7.0k

Countries citing papers authored by Thomas Unold

Since Specialization

Citations

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

Fields of papers citing papers by Thomas Unold

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Thomas Unold

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

Ye, Fangyuan, Shuo Zhang, Felix Lang, et al.. (2025). Minimizing Recombination at the Perovskite/C₆₀ Interface through a Volatile Highly Dense Molecular Interlayer. ACS Energy Letters. 10(6). 2942–2951. 4 indexed citations

Dedova, Tatjana, Marin Rusu, Atanas Katerski, et al.. (2024). Sb2S3 solar cells with TiO2 electron transporting layers synthesized by ALD and USP methods. Solar Energy Materials and Solar Cells. 280. 113279–113279. 4 indexed citations

Kim, Yongshin, Hannes Hempel, Thomas Unold, & David B. Mitzi. (2023). Ag Alloying in Cu_2−yAg_yBa(Ge,Sn)Se₄Films and Photovoltaic Devices. Solar RRL. 7(7). 3 indexed citations

Etgar, Lioz, Oleksandra Shargaieva, Thomas Unold, et al.. (2023). Phase Segregation Mechanisms in Mixed-Halide CsPb(Br_xI_1–x)₃ Nanocrystals in Dependence of Their Sizes and Their Initial [Br]:[I] Ratios. ACS Materials Au. 3(6). 687–698. 3 indexed citations

Levine, Igal, Marin Rusu, Peter Knittel, et al.. (2023). Surface‐Mediated Charge Transfer of Photogenerated Carriers in Diamond. Small Methods. 7(11). e2300423–e2300423. 22 indexed citations

Crovetto, Andrea, Danny Kojda, Feng Yi, et al.. (2022). Crystallize It before It Diffuses: Kinetic Stabilization of Thin-Film Phosphorus-Rich Semiconductor CuP ₂. Journal of the American Chemical Society. 144(29). 13334–13343. 9 indexed citations

Peña‐Camargo, Francisco, Jarla Thiesbrummel, Hannes Hempel, et al.. (2022). Revealing the doping density in perovskite solar cells and its impact on device performance. Applied Physics Reviews. 9(2). 48 indexed citations

Näsström, Hampus, Oleksandra Shargaieva, Pascal Becker, et al.. (2022). Combinatorial inkjet printing for compositional tuning of metal-halide perovskite thin films. Journal of Materials Chemistry A. 10(9). 4906–4914. 16 indexed citations

Warby, Jonathan, Fengshuo Zu, Stefan Zeiske, et al.. (2022). Understanding Performance Limiting Interfacial Recombination in pin Perovskite Solar Cells. Advanced Energy Materials. 12(12). 201 indexed citations breakdown →

10.

Xu, Ke, Amran Al‐Ashouri, Eike Köhnen, et al.. (2022). Slot-Die Coated Triple-Halide Perovskites for Efficient and Scalable Perovskite/Silicon Tandem Solar Cells. ACS Energy Letters. 7(10). 3600–3611. 71 indexed citations

11.

Gutierrez‐Partida, Emilio, Hannes Hempel, Sebastián Caicedo‐Dávila, et al.. (2021). Large-Grain Double Cation Perovskites with 18 μs Lifetime and High Luminescence Yield for Efficient Inverted Perovskite Solar Cells. ACS Energy Letters. 6(3). 1045–1054. 67 indexed citations

12.

Oksenberg, Eitan, Ivan G. Scheblykin, Ernesto Joselevich, et al.. (2021). Deconvoluting Energy Transport Mechanisms in Metal Halide Perovskites Using CsPbBr₃ Nanowires as a Model System. Advanced Functional Materials. 31(22). 16 indexed citations

13.

Caicedo‐Dávila, Sebastián, René Gunder, J.A. Marquez, et al.. (2020). Effects of Postdeposition Annealing on the Luminescence of Mixed-Phase CsPb₂Br₅/CsPbBr₃ Thin Films. The Journal of Physical Chemistry C. 124(36). 19514–19521. 20 indexed citations

14.

Song, Angang, Peter Bogdanoff, Ibbi Y. Ahmet, et al.. (2020). Assessment of a W:BiVO₄–CuBi₂O₄Tandem Photoelectrochemical Cell for Overall Solar Water Splitting. ACS Applied Materials & Interfaces. 12(12). 13959–13970. 67 indexed citations

15.

Krause, Maximilian, Matthias Maiberg, Philip Jackson, et al.. (2020). Microscopic origins of performance losses in highly efficient Cu(In,Ga)Se2 thin-film solar cells. Nature Communications. 11(1). 4189–4189. 102 indexed citations

16.

Suchan, Klara, Justus Just, Pascal Becker, Eva Unger, & Thomas Unold. (2020). Opticalin situmonitoring during the synthesis of halide perovskite solar cells reveals formation kinetics and evolution of optoelectronic properties. Journal of Materials Chemistry A. 8(20). 10439–10449. 50 indexed citations

17.

Canil, Laura, Tobias Cramer, Beatrice Fraboni, et al.. (2020). Tuning halide perovskite energy levels. Energy & Environmental Science. 14(3). 1429–1438. 203 indexed citations

18.

Levine, Igal, Michael Kulbak, Carolin Rehermann, et al.. (2019). Deep Defect States in Wide-Band-Gap ABX₃ Halide Perovskites. ACS Energy Letters. 4(5). 1150–1157. 64 indexed citations

19.

Levine, Igal, Michael Kulbak, Janardan Dagar, et al.. (2019). Correction to “Deep Defect States in Wide-Band-Gap ABX₃ Halide Perovskites”. ACS Energy Letters. 4(6). 1464–1464. 2 indexed citations

20.

Grossberg, M., J. Krustok, Charles J. Hages, et al.. (2019). The electrical and optical properties of kesterites. Journal of Physics Energy. 1(4). 44002–44002. 64 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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