H. Kempa

1.2k total citations
33 papers, 936 citations indexed

About

H. Kempa is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Biomedical Engineering. According to data from OpenAlex, H. Kempa has authored 33 papers receiving a total of 936 indexed citations (citations by other indexed papers that have themselves been cited), including 29 papers in Electrical and Electronic Engineering, 13 papers in Materials Chemistry and 10 papers in Biomedical Engineering. Recurrent topics in H. Kempa's work include Chalcogenide Semiconductor Thin Films (11 papers), Organic Electronics and Photovoltaics (10 papers) and Quantum Dots Synthesis And Properties (7 papers). H. Kempa is often cited by papers focused on Chalcogenide Semiconductor Thin Films (11 papers), Organic Electronics and Photovoltaics (10 papers) and Quantum Dots Synthesis And Properties (7 papers). H. Kempa collaborates with scholars based in Germany, Brazil and United States. H. Kempa's co-authors include P. Esquinazi, Y. Kopelevich, Arved C. Hübler, Kay Reuter, Mike Hambsch, G. Schmidt, J. H. S. Torres, R.R. da Silva, M. Bartzsch and U. Hahn and has published in prestigious journals such as Physical Review Letters, Physical review. B, Condensed matter and Applied Physics Letters.

In The Last Decade

H. Kempa

31 papers receiving 911 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
H. Kempa Germany	17	634	373	328	221	113	33	936
V. Delaye France	19	885 1.4×	229 0.6×	228 0.7×	199 0.9×	50 0.4×	70	1.0k
Jungyup Lee South Korea	6	468 0.7×	395 1.1×	225 0.7×	117 0.5×	41 0.4×	9	686
Konstantinos Rogdakis Greece	14	554 0.9×	353 0.9×	181 0.6×	73 0.3×	153 1.4×	49	787
Bin Tian China	17	658 1.0×	283 0.8×	423 1.3×	275 1.2×	107 0.9×	50	1.0k
Seok‐Kyun Son South Korea	13	401 0.6×	755 2.0×	351 1.1×	216 1.0×	61 0.5×	31	988
Youngjae Kim South Korea	14	430 0.7×	159 0.4×	129 0.4×	198 0.9×	45 0.4×	79	636
Mingxuan Cao China	21	743 1.2×	611 1.6×	235 0.7×	139 0.6×	180 1.6×	59	1.1k
Jihyun Kim South Korea	17	461 0.7×	553 1.5×	176 0.5×	60 0.3×	68 0.6×	48	812
Xuewei Zhao China	14	633 1.0×	330 0.9×	267 0.8×	166 0.8×	62 0.5×	54	966

Countries citing papers authored by H. Kempa

Since Specialization

Citations

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

Fields of papers citing papers by H. Kempa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of H. Kempa

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

Gutzler, Rico, Dimitrios Hariskos, H. Kempa, et al.. (2025). Assessment of transparent conductive oxides as back contacts for inline-fabricated Cu(In,Ga)Se₂ solar cells. Journal of Physics Energy. 7(4). 45018–45018.

Witte, Wolfram, Dimitrios Hariskos, Stefan Paetel, et al.. (2024). Effect of Ga Variation on the Bulk and Grain‐Boundary Properties of Cu(In,Ga)Se₂ Absorbers in Thin‐Film Solar Cells and Their Impacts on Open‐Circuit Voltage Losses. Progress in Photovoltaics Research and Applications. 33(2). 265–275. 3 indexed citations

Witte, Wolfram, Dimitrios Hariskos, Rico Gutzler, et al.. (2024). Role of Ag Addition on the Microscopic Material Properties of (Ag,Cu)(In,Ga)Se₂ Absorbers and Their Effects on Losses in the Open‐Circuit Voltage of Corresponding Devices. Progress in Photovoltaics Research and Applications. 32(12). 930–940. 4 indexed citations

Maiberg, Matthias, et al.. (2024). Toward digital twins by one-dimensional simulation of thin-film solar cells: Cu(In,Ga)Se2 as an example. Physical Review Applied. 21(3). 2 indexed citations

Maiberg, Matthias, H. Kempa, Wolfram Witte, et al.. (2024). A new approach to three-dimensional microstructure reconstruction of a polycrystalline solar cell using high-efficiency Cu(In,Ga)Se2. Scientific Reports. 14(1). 2036–2036. 1 indexed citations

Kempa, H., et al.. (2023). Sodium in Cu(In, Ga)Se₂ Solar Cells: To Be or Not to Be Beneficial. Solar RRL. 8(3). 10 indexed citations

Sturm, Chris, et al.. (2022). Highly crystalline In₂S₃ thin films epitaxially grown on sapphire substrates. AIP Advances. 12(12). 125215–125215. 2 indexed citations

Placidi, Marcel, Ignacio Becerril‐Romero, Robert Fonoll‐Rubio, et al.. (2022). Effects of ITO based back contacts on Cu(In,Ga)Se2 thin films, solar cells, and mini-modules relevant for semi-transparent building integrated photovoltaics. Solar Energy Materials and Solar Cells. 251. 112169–112169. 6 indexed citations

Schneider, Thomas, et al.. (2021). Comparison of Mo and ITO back contacts in CIGSe solar cells: Vanishing of the main capacitance step. Progress in Photovoltaics Research and Applications. 30(2). 191–202. 17 indexed citations

10.

Kempa, H., et al.. (2013). Voltage Dependent Photocurrent in Low-Temperature Deposited CIGSe Solar Cells. EU PVSEC. 2438–2442. 1 indexed citations

11.

Kempa, H., et al.. (2012). Metastability of solar cells based on evaporated chalcopyrite absorber layers prepared with varying selenium flux. Thin Solid Films. 535. 340–342. 10 indexed citations

12.

Schmidt, G., et al.. (2011). Mass-printed integrated circuits with enhanced performance using novel materials and concepts. MRS Proceedings. 1285. 2 indexed citations

13.

Kempa, H., et al.. (2011). Drift in the resistance of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) printed films during thermal cycling. Thin Solid Films. 519(19). 6610–6612. 16 indexed citations

14.

Hambsch, Mike, Kay Reuter, G. Schmidt, et al.. (2010). Uniformity of fully gravure printed organic field-effect transistors. Materials Science and Engineering B. 170(1-3). 93–98. 93 indexed citations

15.

Reuter, Kay, et al.. (2009). Full-swing organic inverters using a charged perfluorinated electret fabricated by means of mass-printing technologies. Organic Electronics. 11(1). 95–99. 27 indexed citations

16.

Kempa, H., et al.. (2008). Design of Printed Circuits – New Requirements and New Opportunities (Entwurf gedruckter Schaltungen – Neue Anforderungen und neue Möglichkeiten). it - Information Technology. 50(3). 167–174. 2 indexed citations

17.

Bartzsch, M., et al.. (2006). All-printed electronics and its applications: a status report. Technical programs and proceedings. 22(2). 13–16. 1 indexed citations

18.

Kempa, H., Kay Reuter, M. Bartzsch, et al.. (2006). Stability study of all-polymer field-effect transistors. 67–71.

19.

Kopelevich, Y., et al.. (2003). Reentrant Metallic Behavior of Graphite in the Quantum Limit. Physical Review Letters. 90(15). 156402–156402. 156 indexed citations

20.

Kempa, H., Y. Kopelevich, A. Setzer, et al.. (2000). Magnetic-Field-Driven Superconductor-Insulator-Type Transition in Graphite. 45 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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