Jef Poortmans

12.8k total citations · 1 hit paper
562 papers, 10.2k citations indexed

About

Jef Poortmans is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Jef Poortmans has authored 562 papers receiving a total of 10.2k indexed citations (citations by other indexed papers that have themselves been cited), including 528 papers in Electrical and Electronic Engineering, 231 papers in Materials Chemistry and 140 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Jef Poortmans's work include Silicon and Solar Cell Technologies (333 papers), Thin-Film Transistor Technologies (226 papers) and Silicon Nanostructures and Photoluminescence (141 papers). Jef Poortmans is often cited by papers focused on Silicon and Solar Cell Technologies (333 papers), Thin-Film Transistor Technologies (226 papers) and Silicon Nanostructures and Photoluminescence (141 papers). Jef Poortmans collaborates with scholars based in Belgium, Netherlands and Germany. Jef Poortmans's co-authors include Paul Heremans, Ivan Gordon, Tom Aernouts, Jan Genoe, G. Beaucarne, R. Mertens, David Cheyns, Barry P. Rand, Robert Gehlhaar and Weiming Qiu and has published in prestigious journals such as Energy & Environmental Science, Applied Physics Letters and Renewable and Sustainable Energy Reviews.

In The Last Decade

Jef Poortmans

545 papers receiving 9.9k 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.

Solar cells utilizing small molecular weight organic semiconductors

2007 450 citations Jef Poortmans et al. Progress in Photovoltaics Research and Applications profile →

Peers

Countries citing papers authored by Jef Poortmans

Since Specialization

Citations

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

Fields of papers citing papers by Jef Poortmans

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jef Poortmans

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

#	Work	Indexed citations
1	A novel way of analyzing perovskite outdoor degradation: the S- V _oc 2025 ·Document Server@UHasselt (UHasselt) ·(unknown), (unknown), (unknown), (unknown), Matthew Norton, Maria Hadjipanayi, Tamara Merckx, Aránzazu Aguirre, Filip Duerinckx, Hariharsudan Sivaramakrishnan Radhakrishnan, Jef Poortmans, Johan Lauwaert, Bart Vermang	0
2	Interpretation of the degradation and trends in the performance of heterojunction silicon solar cells at low temperature 2024 ·Solar Energy Materials and Solar Cells ·M Ghannam, Jef Poortmans	2
3	Pyrene‐Based Self‐Assembled Monolayer with Improved Surface Coverage and Energy Level Alignment for Perovskite Solar Cells 2024 ·Advanced Functional Materials ·(unknown), (unknown), Anurag Krishna, (unknown), (unknown), Huguette Penxten, Christ H. L. Weijtens, (unknown), Bart Ruttens, Wouter Maes, Jan D’Haen, Artem Musiienko, Tom Aernouts, Laurence Lutsen, Dirk Vanderzande, Jef Poortmans, Wouter Van Gompel	10
4	Comparative study of the interface passivation properties of LiF and Al2O3 using silicon MIS capacitor 2024 ·Applied Physics Letters ·(unknown), (unknown), Filip Duerinckx, Hariharsudan Sivaramakrishnan Radhakrishnan, Denis Flandre, Jef Poortmans, Bart Vermang	1
5	Fabrication and characterization of ZnS and ZnSe absorber layers for UV-selective transparent photovoltaics 2023 ·Thin Solid Films ·Guy Brammertz, M. Shahjahan, Abdullah Bin Shams, (unknown), A. Pérez‐Rodríguez, Jessica de Wild, Marc Meuris, Jef Poortmans, Bart Vermang	2
6	How cool is floating PV? A state-of-the-art review of floating PV's potential gain and computational fluid dynamics modeling to find its root cause 2023 ·EPJ Photovoltaics ·(unknown), Mohamed H. Haggag, Jef Poortmans	15
7	Surface Modulation via Conjugated Bithiophene Ammonium Salt for Efficient Inverted Perovskite Solar Cells 2023 ·ACS Applied Materials & Interfaces ·Xin Zhang, (unknown), (unknown), Wenya Song, (unknown), Wouter Van Gompel, Anurag Krishna, Tom Aernouts, Laurence Lutsen, Dirk Vanderzande, Mariadriana Creatore, Yiqiang Zhan, Yinghuan Kuang, Jef Poortmans	7
8	Revealing capacitive and inductive effects in modern industrial c-Si photovoltaic cells through impedance spectroscopy 2023 ·Solar Energy Materials and Solar Cells ·(unknown), Mirco Muttillo, (unknown), Jef Poortmans, Miro Zeman, Olindo Isabella, Patrizio Manganiello	17
9	Stable Device Architecture With Industrially Scalable Processes for Realizing Efficient 784 cm² Monolithic Perovskite Solar Modules 2023 ·IEEE Journal of Photovoltaics ·Tamara Merckx, Aránzazu Aguirre, Yinghuan Kuang, Arvid van der Heide, Ali Hajjiah, Yaser Abdulraheem, Anurag Krishna, Jef Poortmans, Tom Aernouts	10
10	Organic ammonium iodide salts as passivation for buried interface enables efficient and stable NiO_x based p-i-n perovskite solar cells 2022 ·Journal of Materials Chemistry C ·(unknown), Wouter Van Gompel, (unknown), (unknown), H.‐G. Boyen, (unknown), Afshin Hadipour, Laurence Lutsen, Dirk Vanderzande, Anurag Krishna, Yaser Abdulraheem, Tom Aernouts, Jef Poortmans	12
11	In situ quantification of temperature and strain within photovoltaic modules through optical sensing 2022 ·Progress in Photovoltaics Research and Applications ·(unknown), (unknown), Jef Poortmans, Michaël Daenen	11
12	Novel cost-effective approach to produce nano-sized contact openings in an aluminum oxide passivation layer up to 30 nm thick for CIGS solar cells 2021 ·Journal of Physics D Applied Physics ·(unknown), (unknown), Jessica de Wild, (unknown), (unknown), Raghavendran Thiruvallur Eachambadi, Guy Brammertz, Jean Manca, Marc Meuris, Jef Poortmans, Bart Vermang	4
13	Comparative Study of Al₂O₃ and HfO₂ for Surface Passivation of Cu(In,Ga)Se₂ Thin Films: An Innovative Al₂O₃/HfO₂ Multistack Design 2021 ·physica status solidi (a) ·(unknown), (unknown), Guy Brammertz, Jessica de Wild, (unknown), (unknown), Marc Meuris, Jef Poortmans, Denis Flandre, Bart Vermang	8
14	A novel silicon heterojunction IBC process flow using partial etching of doped a‐Si:H to switch from hole contact to electron contact in situ with efficiencies close to 23% 2019 ·Progress in Photovoltaics Research and Applications ·Hariharsudan Sivaramakrishnan Radhakrishnan, (unknown), Menglei Xu, Jinyoun Cho, M Ghannam, Ivan Gordon, Jozef Szlufcik, Jef Poortmans	9
15	Dielectric-Based Rear Surface Passivation Approaches for Cu(In,Ga)Se2 Solar Cells—A Review 2019 ·Applied Sciences ·(unknown), Jessica de Wild, Marc Meuris, Jef Poortmans, Bart Vermang	51
16	Minimizing Voltage Loss in Wide-Bandgap Perovskites for Tandem Solar Cells 2018 ·ACS Energy Letters ·Manoj Jaysankar, (unknown), João P. A. Bastos, Claire H. Burgess, Christ H. L. Weijtens, Mariadriana Creatore, Tom Aernouts, Yinghuan Kuang, Robert Gehlhaar, Afshin Hadipour, Jef Poortmans	159
17	Translucent, color-neutral and efficient perovskite thin film solar modules 2018 ·Journal of Materials Chemistry C ·Lucija Rakocevic, Robert Gehlhaar, Manoj Jaysankar, Wenya Song, Tom Aernouts, Henri Fledderus, Jef Poortmans	11
18	Perovskite–silicon tandem solar modules with optimised light harvesting 2018 ·Energy & Environmental Science ·Manoj Jaysankar, Miha Filipič, (unknown), Raphael Schmager, Wenya Song, Weiming Qiu, Ulrich W. Paetzold, Tom Aernouts, Maarten Debucquoy, Robert Gehlhaar, Jef Poortmans	113
19	Optical Analysis of Planar Multicrystalline Perovskite Solar Cells 2017 ·Advanced Optical Materials ·Maarten van Eerden, Manoj Jaysankar, Afshin Hadipour, Tamara Merckx, J.J. Schermer, Tom Aernouts, Jef Poortmans, Ulrich W. Paetzold	63
20	Laser Assisted Patterning of a-Si:H: Detailed Investigation of Laser Damage 2017 ·physica status solidi (RRL) - Rapid Research Letters ·Menglei Xu, Twan Bearda, Hariharsudan Sivaramakrishnan Radhakrishnan, Miha Filipič, Ivan Gordon, Maarten Debucquoy, Jozef Szlufcik, Jef Poortmans	5

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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