Bernard Geffroy

5.4k total citations · 1 hit paper
135 papers, 4.7k citations indexed

About

Bernard Geffroy is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Polymers and Plastics. According to data from OpenAlex, Bernard Geffroy has authored 135 papers receiving a total of 4.7k indexed citations (citations by other indexed papers that have themselves been cited), including 107 papers in Electrical and Electronic Engineering, 56 papers in Materials Chemistry and 36 papers in Polymers and Plastics. Recurrent topics in Bernard Geffroy's work include Organic Light-Emitting Diodes Research (60 papers), Organic Electronics and Photovoltaics (52 papers) and Conducting polymers and applications (35 papers). Bernard Geffroy is often cited by papers focused on Organic Light-Emitting Diodes Research (60 papers), Organic Electronics and Photovoltaics (52 papers) and Conducting polymers and applications (35 papers). Bernard Geffroy collaborates with scholars based in France, Netherlands and United States. Bernard Geffroy's co-authors include Denis Tondelier, Philippe Le Roy, Christophe Prat, Cyril Poriel, Joëlle Rault‐Berthelot, Olivier Jeannin, Yvan Bonnassieux, Muriel Hissler, Sébastien Thiéry and Maxime Romain 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

Bernard Geffroy

131 papers receiving 4.6k 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.

Organic light‐emitting diode (OLED) technology: materials, devices and display technologies

2006 812 citations Bernard Geffroy et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Bernard Geffroy France	40	3.2k	2.3k	1.2k	1.0k	399	135	4.7k
Denis Tondelier France	37	2.3k 0.7×	1.7k 0.7×	1.0k 0.8×	725 0.7×	327 0.8×	105	3.4k
Ángela Sastre‐Santos Spain	38	1.7k 0.5×	3.2k 1.4×	1.3k 1.1×	676 0.7×	224 0.6×	181	4.6k
Weigang Zhu China	32	2.6k 0.8×	2.1k 0.9×	539 0.4×	1.4k 1.4×	240 0.6×	72	4.3k
Xueliang Shi China	42	3.7k 1.2×	1.7k 0.7×	1.6k 1.4×	2.5k 2.5×	282 0.7×	110	5.6k
Umberto Giovanella Italy	31	2.1k 0.7×	2.6k 1.1×	1.1k 0.9×	713 0.7×	285 0.7×	104	3.8k
Igor F. Perepichka United Kingdom	38	3.0k 0.9×	1.9k 0.8×	1.3k 1.0×	2.1k 2.1×	178 0.4×	113	4.9k
Wallace W. H. Wong Australia	40	2.9k 0.9×	1.8k 0.8×	1.1k 0.9×	1.8k 1.8×	165 0.4×	130	4.7k
Yonggang Zhen China	40	2.9k 0.9×	2.7k 1.2×	911 0.7×	1.1k 1.1×	208 0.5×	113	4.9k
Hua Geng China	41	3.8k 1.2×	2.8k 1.2×	542 0.4×	1.6k 1.6×	580 1.5×	108	5.6k
Benoît Domercq United States	34	3.7k 1.1×	1.5k 0.6×	749 0.6×	2.2k 2.2×	178 0.4×	67	4.8k

Countries citing papers authored by Bernard Geffroy

Since Specialization

Citations

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

Fields of papers citing papers by Bernard Geffroy

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Bernard Geffroy

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

1.

Gautam, Subodh K., et al.. (2023). Strain and Optoelectronic Tuning in Mixed‐Halide Perovskites with Ion Irradiation. Advanced Optical Materials. 11(14). 2 indexed citations

2.

Tondelier, Denis, et al.. (2023). Reaching the 5% theoretical limit of fluorescent OLEDs with push–pull benzophospholes. Journal of Materials Chemistry C. 11(11). 3826–3831. 16 indexed citations

3.

Cordier≈, Marie, Denis Tondelier, Bernard Geffroy, et al.. (2022). Tuning the Charge Transfer in λ⁵-Phosphinines with Amino Substituents. Organic Letters. 24(37). 6869–6873. 10 indexed citations

4.

Lee, Hee Ryung, Denis Tondelier, Bernard Geffroy, et al.. (2022). Soft X-ray characterization of halide perovskite film by scanning transmission X-ray microscopy. Scientific Reports. 12(1). 4520–4520. 9 indexed citations

5.

Lucas, Fabien, Denis Tondelier, Bernard Geffroy, et al.. (2021). Quinolinophenothiazine as an electron rich fragment for high efficiency RGB single-layer phosphorescent organic light-emitting diodes. Materials Chemistry Frontiers. 5(22). 8066–8077. 17 indexed citations

6.

Léaustic, Anne, Régis Guillot, Clémence Allain, et al.. (2021). A highly efficient solution and solid state ESIPT fluorophore and its OLED application. New Journal of Chemistry. 45(6). 3014–3021. 45 indexed citations

7.

Yavari, Keihann, W. Delaunay, Nicolas De Rycke, et al.. (2019). Phosphahelicenes: From Chiroptical and Photophysical Properties to OLED Applications. Chemistry - A European Journal. 25(20). 5303–5310. 36 indexed citations

8.

Lee, Heejae, Patrick Chapon, Denis Tondelier, et al.. (2019). Effect of Halide Ion Migration on the Electrical Properties of Methylammonium Lead Tri-Iodide Perovskite Solar Cells. The Journal of Physical Chemistry. 2 indexed citations

9.

Chen, Hui, Mathieu Denis, Pierre‐Antoine Bouit, et al.. (2018). Blue Electrofluorescence Properties of Furan–Silole Ladder Pi-Conjugated Systems. Applied Sciences. 8(5). 812–812. 5 indexed citations

10.

Marronnier, Arthur, Hee Ryung Lee, Heejae Lee, et al.. (2018). Electrical and optical degradation study of methylammonium-based perovskite materials under ambient conditions. Solar Energy Materials and Solar Cells. 178. 179–185. 15 indexed citations

11.

Brisse, Romain, Tiphaine Bourgeteau, Denis Tondelier, et al.. (2016). Inkjet Printing NiO-Based p-Type Dye-Sensitized Solar Cells. ACS Applied Materials & Interfaces. 9(3). 2369–2377. 53 indexed citations

12.

Vecchiola, Aymeric, K. Bouzéhouane, Olivier Schneegans, et al.. (2016). Wide range local resistance imaging on fragile materials by conducting probe atomic force microscopy in intermittent contact mode. Applied Physics Letters. 108(24). 2 indexed citations

13.

Morozan, Adina, Tiphaine Bourgeteau, Denis Tondelier, et al.. (2016). Noble metal-free hydrogen-evolving photocathodes based on small molecule organic semiconductors. Nanotechnology. 27(35). 355401–355401. 20 indexed citations

14.

Derue, Lionel, et al.. (2015). Small molecule-based photocrosslinkable fluorescent materials toward multilayered and high-resolution emissive patterning. Journal of Materials Chemistry C. 3(32). 8403–8412. 8 indexed citations

15.

Romain, Maxime, Denis Tondelier, Bernard Geffroy, et al.. (2015). Donor/Acceptor Dihydroindeno[1,2‐a]fluorene and Dihydroindeno[2,1‐b]fluorene: Towards New Families of Organic Semiconductors. Chemistry - A European Journal. 21(26). 9426–9439. 55 indexed citations

16.

Chen, Hui, Simon Pascal, Pierre‐Antoine Bouit, et al.. (2014). 1,2‐Dihydrophosphete: A Platform for the Molecular Engineering of Electroluminescent Phosphorus Materials for Light‐Emitting Devices. Chemistry - A European Journal. 20(31). 9784–9793. 20 indexed citations

17.

Huang, Xiaoguang, G. Zucchi, Robert B. Pansu, et al.. (2014). Visible-emitting hybrid sol–gel materials comprising lanthanide ions: thin film behaviour and potential use as phosphors for solid-state lighting. New Journal of Chemistry. 38(12). 5793–5800. 13 indexed citations

18.

Romain, Maxime, Denis Tondelier, Jean‐Charles Vanel, et al.. (2013). Dependence of the Properties of Dihydroindenofluorene Derivatives on Positional Isomerism: Influence of the Ring Bridging. Angewandte Chemie International Edition. 52(52). 14147–14151. 94 indexed citations

19.

Chen, Hui, W. Delaunay, Damien O. Joly, et al.. (2011). 2,2′‐Biphospholes: Building Blocks for Tuning the HOMO–LUMO Gap of π‐Systems Using Covalent Bonding and Metal Coordination. Angewandte Chemie. 124(1). 218–221. 19 indexed citations

20.

Chen, Hui, W. Delaunay, Damien O. Joly, et al.. (2011). 2,2′‐Biphospholes: Building Blocks for Tuning the HOMO–LUMO Gap of π‐Systems Using Covalent Bonding and Metal Coordination. Angewandte Chemie International Edition. 51(1). 214–217. 49 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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