Philipp Löper

7.4k total citations · 2 hit papers
86 papers, 6.4k citations indexed

About

Philipp Löper is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Philipp Löper has authored 86 papers receiving a total of 6.4k indexed citations (citations by other indexed papers that have themselves been cited), including 76 papers in Electrical and Electronic Engineering, 57 papers in Materials Chemistry and 17 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Philipp Löper's work include Silicon Nanostructures and Photoluminescence (43 papers), Thin-Film Transistor Technologies (39 papers) and Silicon and Solar Cell Technologies (29 papers). Philipp Löper is often cited by papers focused on Silicon Nanostructures and Photoluminescence (43 papers), Thin-Film Transistor Technologies (39 papers) and Silicon and Solar Cell Technologies (29 papers). Philipp Löper collaborates with scholars based in Germany, Switzerland and Italy. Philipp Löper's co-authors include Christophe Ballif, Stefaan De Wolf, Bjoern Niesen, Jun‐Ho Yum, Soo‐Jin Moon, Martin Ledinský, Franz‐Josef Haug, Jakub Holovský, Jérémie Werner and Jan Christoph Goldschmidt and has published in prestigious journals such as Advanced Materials, Applied Physics Letters and Journal of Applied Physics.

In The Last Decade

Philipp Löper

85 papers receiving 6.3k citations

Hit Papers

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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.

Organometallic Halide Perovskites: Sharp Optical Absorption Edge and Its Relation to Photovoltaic Performance

2014 2.3k citations Stefaan De Wolf, Jakub Holovský et al. The Journal of Physical Chemistry Letters profile →
Complex Refractive Index Spectra of CH₃NH₃PbI₃ Perovskite Thin Films Determined by Spectroscopic Ellipsometry and Spectrophotometry

2014 502 citations Philipp Löper, Bjoern Niesen et al. The Journal of Physical Chemistry Letters profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Philipp Löper	6.0k	3.8k	1.3k	952	460	86	6.4k
Martin Ledinský	4.3k 0.7×	3.5k 0.9×	1.1k 0.9×	665 0.7×	460 1.0×	120	5.2k
Leimeng Xu	7.8k 1.3×	6.8k 1.8×	1.0k 0.8×	1.1k 1.1×	445 1.0×	63	8.4k
Jérémie Werner	7.6k 1.3×	4.0k 1.1×	2.2k 1.6×	854 0.9×	417 0.9×	91	7.9k
Ling Xu	2.1k 0.4×	2.0k 0.5×	463 0.3×	226 0.2×	322 0.7×	141	2.8k
Suling Zhao	2.6k 0.4×	2.0k 0.5×	764 0.6×	270 0.3×	300 0.7×	215	3.2k
R. Alcubilla	3.5k 0.6×	1.6k 0.4×	384 0.3×	1.3k 1.4×	1.0k 2.2×	208	4.3k
Ioannis Deretzis	2.2k 0.4×	2.1k 0.6×	353 0.3×	483 0.5×	240 0.5×	122	2.8k
Eun Kyu Kim	6.7k 1.1×	5.0k 1.3×	2.4k 1.8×	823 0.9×	384 0.8×	248	7.6k
Gabriel Lozano	1.8k 0.3×	1.4k 0.4×	523 0.4×	980 1.0×	994 2.2×	95	3.2k
Zai‐Quan Xu	2.8k 0.5×	3.7k 1.0×	540 0.4×	782 0.8×	1.1k 2.5×	69	5.1k

Countries citing papers authored by Philipp Löper

Since Specialization

Citations

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

Fields of papers citing papers by Philipp Löper

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Philipp Löper

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

Nogay, Gizem, Philipp Löper, Franz‐Josef Haug, et al.. (2021). Nanoscale Study of the Hole-Selective Passivating Contacts with High Thermal Budget Using C-AFM Tomography. ACS Applied Materials & Interfaces. 13(8). 9994–10000. 3 indexed citations

Wyss, Philippe, Josua Stückelberger, Gizem Nogay, et al.. (2020). A Mixed-Phase SiO_x Hole Selective Junction Compatible With High Temperatures Used in Industrial Solar Cell Manufacturing. IEEE Journal of Photovoltaics. 10(5). 1262–1269. 12 indexed citations

Prócel, Paul, Philipp Löper, Felice Crupi, Christophe Ballif, & Andrea Ingenito. (2019). Numerical simulations of hole carrier selective contacts in p-type c-Si solar cells. Solar Energy Materials and Solar Cells. 200. 109937–109937. 33 indexed citations

Nogay, Gizem, Christophe Ballif, Andrea Ingenito, et al.. (2018). Crystalline Silicon Solar Cells With Coannealed Electron- and Hole-Selective SiC _x Passivating Contacts. IEEE Journal of Photovoltaics. 8(6). 1478–1485. 48 indexed citations

Stückelberger, Josua, Philipp Löper, Christophe Ballif, et al.. (2018). Recombination Analysis of Phosphorus-Doped Nanostructured Silicon Oxide Passivating Electron Contacts for Silicon Solar Cells. IEEE Journal of Photovoltaics. 8(2). 389–396. 43 indexed citations

Ingenito, Andrea, Gizem Nogay, Josua Stückelberger, et al.. (2018). Phosphorous-Doped Silicon Carbide as Front-Side Full-Area Passivating Contact for Double-Side Contacted c-Si Solar Cells. IEEE Journal of Photovoltaics. 9(2). 346–354. 51 indexed citations

Essig, Stephanie, et al.. (2018). Hole-Collection Mechanism in Passivating Metal-Oxide Contacts on Si Solar Cells: Insights From Numerical Simulations. IEEE Journal of Photovoltaics. 8(2). 473–482. 71 indexed citations

Nogay, Gizem, Josua Stückelberger, Philippe Wyss, et al.. (2017). Interplay of annealing temperature and doping in hole selective rear contacts based on silicon-rich silicon-carbide thin films. Solar Energy Materials and Solar Cells. 173. 18–24. 86 indexed citations

Schnabel, Manuel, C. Summonte, Sergey A. Dyakov, et al.. (2015). Absorption and emission of silicon nanocrystals embedded in SiC: Eliminating Fabry-Pérot interference. Journal of Applied Physics. 117(4). 10 indexed citations

10.

López-Vidrier, J., Yonder Berencén, S. Hernández, et al.. (2015). Structural parameters effect on the electrical and electroluminescence properties of silicon nanocrystals/SiO₂ superlattices. Nanotechnology. 26(18). 185704–185704. 13 indexed citations

11.

Ledinský, Martin, Philipp Löper, Bjoern Niesen, et al.. (2015). Raman Spectroscopy of Organic–Inorganic Halide Perovskites. The Journal of Physical Chemistry Letters. 6(3). 401–406. 209 indexed citations

12.

Schnabel, Manuel, Charlotte Weiss, Philipp Löper, Peter R. Wilshaw, & S. Janz. (2015). Self-assembled silicon nanocrystal arrays for photovoltaics. physica status solidi (a). 212(8). 1649–1661. 23 indexed citations

13.

López-Vidrier, J., Philipp Löper, Manuel Schnabel, et al.. (2015). Silicon nanocrystals embedded in silicon carbide as a wide-band gap photovoltaic material. Solar Energy Materials and Solar Cells. 144. 551–558. 8 indexed citations

14.

Hiller, Daniel, Sebastian Gutsch, Andreas Härtel, et al.. (2014). A low thermal impact annealing process for SiO2-embedded Si nanocrystals with optimized interface quality. Journal of Applied Physics. 115(13). 17 indexed citations

15.

Janz, S., Manuel Schnabel, Philipp Löper, et al.. (2013). Processing and Characterisation of Tandem Solar Cells from Crystalline Silicon Materials. Fraunhofer-Publica (Fraunhofer-Gesellschaft). 142–146. 4 indexed citations

16.

Löper, Philipp, Martin Bivour, Christian Reichel, et al.. (2012). A Membrane Device for Substrate‐Free Photovoltaic Characterization of Quantum Dot Based p‐i‐n Solar Cells. Advanced Materials. 24(23). 3124–3129. 28 indexed citations

17.

Janz, S., Philipp Löper, & Manuel Schnabel. (2012). Silicon nanocrystals produced by solid phase crystallisation of superlattices for photovoltaic applications. Materials Science and Engineering B. 178(9). 542–550. 20 indexed citations

18.

Löper, Philipp, D. Pysch, Armin Richter, et al.. (2012). Analysis of the Temperature Dependence of the Open-Circuit Voltage. Energy Procedia. 27. 135–142. 58 indexed citations

19.

Löper, Philipp, Ralph Müller, Daniel Hiller, et al.. (2011). Quasi-Fermi-level splitting in ideal silicon nanocrystal superlattices. Physical Review B. 84(19). 36 indexed citations

20.

Peters, Ian Marius, et al.. (2008). Design of photonic structures for the enhancement of the light guiding efficiency of fluorescent concentrators. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 7002. 70020V–70020V. 2 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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