Stefan Roggan

2.4k total citations · 1 hit paper
24 papers, 2.1k citations indexed

About

Stefan Roggan is a scholar working on Organic Chemistry, Inorganic Chemistry and Materials Chemistry. According to data from OpenAlex, Stefan Roggan has authored 24 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Organic Chemistry, 9 papers in Inorganic Chemistry and 9 papers in Materials Chemistry. Recurrent topics in Stefan Roggan's work include Asymmetric Hydrogenation and Catalysis (9 papers), Innovative Microfluidic and Catalytic Techniques Innovation (5 papers) and Nanomaterials for catalytic reactions (5 papers). Stefan Roggan is often cited by papers focused on Asymmetric Hydrogenation and Catalysis (9 papers), Innovative Microfluidic and Catalytic Techniques Innovation (5 papers) and Nanomaterials for catalytic reactions (5 papers). Stefan Roggan collaborates with scholars based in Germany, Switzerland and Finland. Stefan Roggan's co-authors include Christian Limberg, Holger Dau, Tobias Reier, Peter Strasser, Marcel Risch, B. Ziemer, Atte Aho, Dmitry Yu. Murzin, Tapio Salmi and Stefan Mebs and has published in prestigious journals such as Angewandte Chemie International Edition, Chemical Engineering Journal and Journal of Materials Chemistry A.

In The Last Decade

Stefan Roggan

24 papers receiving 2.1k 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.

The Mechanism of Water Oxidation: From Electrolysis via Homogeneous to Biological Catalysis

2010 1.6k citations Holger Dau, Christian Limberg et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Stefan Roggan Germany	15	1.4k	959	614	423	397	24	2.1k
Biswajit Mondal India	26	1.9k 1.3×	1.1k 1.1×	864 1.4×	382 0.9×	434 1.1×	53	2.4k
Michael L. Pegis United States	16	1.9k 1.4×	1.1k 1.1×	742 1.2×	486 1.1×	483 1.2×	17	2.4k
Robert McGuire United States	19	786 0.6×	728 0.8×	968 1.6×	241 0.6×	563 1.4×	27	2.0k
Neal D. McDaniel United States	10	1.9k 1.3×	601 0.6×	1.2k 1.9×	389 0.9×	711 1.8×	11	2.7k
Roc Matheu Spain	22	1.7k 1.2×	831 0.9×	1.2k 1.9×	456 1.1×	887 2.2×	37	2.5k
Jennifer Fize France	25	2.1k 1.5×	1.3k 1.4×	758 1.2×	276 0.7×	223 0.6×	40	2.8k
Dachao Hong Japan	22	2.6k 1.8×	789 0.8×	1.7k 2.7×	294 0.7×	550 1.4×	37	3.2k
James B. Gerken United States	24	2.6k 1.8×	1.9k 2.0×	899 1.5×	863 2.0×	200 0.5×	44	3.3k
Xialiang Li China	30	2.1k 1.5×	1.3k 1.4×	954 1.6×	539 1.3×	513 1.3×	54	2.8k
Atanu Rana India	20	1.4k 1.0×	674 0.7×	587 1.0×	273 0.6×	443 1.1×	33	1.8k

Countries citing papers authored by Stefan Roggan

Since Specialization

Citations

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

Fields of papers citing papers by Stefan Roggan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Stefan Roggan

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

Rehm, Thomas H., Christian A. Hofmann, Ralf Zapf, et al.. (2017). Chemoselective three-phase hydrogenation of an Ombrabulin nitro-stilbene intermediate in a continuous-flow mobile platform. Chemical Engineering Journal. 316. 1069–1077. 10 indexed citations

2.

Hassfeld, Jorma, et al.. (2017). Continuous Platinum‐Mediated Hydrogenation of Refametinib Iodo‐nitroaniline Key Intermediate DIM‐NA: The Combined Challenges of Selectivity and Catalyst Deactivation. European Journal of Organic Chemistry. 2017(27). 3921–3928. 4 indexed citations

3.

Gupta, Navneet Kumar, Evgeny A. Pidko, Emiel J. M. Hensen, et al.. (2016). Bent Carbon Surface Moieties as Active Sites on Carbon Catalysts for Phosgene Synthesis. Angewandte Chemie. 128(5). 1760–1764. 9 indexed citations

4.

Gupta, Navneet Kumar, Evgeny A. Pidko, Emiel J. M. Hensen, et al.. (2016). Bent Carbon Surface Moieties as Active Sites on Carbon Catalysts for Phosgene Synthesis. Angewandte Chemie International Edition. 55(5). 1728–1732. 33 indexed citations

5.

Hassfeld, Jorma, et al.. (2016). Encapsulated Cobalt Oxide on Carbon Nanotube Support as Catalyst for Selective Continuous Hydrogenation of the Showcase Substrate 1‐Iodo‐4‐nitrobenzene. Advanced Synthesis & Catalysis. 358(18). 2903–2911. 23 indexed citations

6.

Niyamakom, Phenwisa, et al.. (2015). Scalable synthesis of CuInS₂nanocrystal inks for photovoltaic applications. Journal of Materials Chemistry A. 3(8). 4470–4476. 14 indexed citations

7.

Ott, Denise, Valentina G. Matveeva, E. M. Sulman, et al.. (2015). Green catalysis by nanoparticulate catalysts developed for flow processing? Case study of glucose hydrogenation. RSC Advances. 5(21). 15898–15908. 16 indexed citations

8.

Aho, Atte, Stefan Roggan, Kari Eränen, Tapio Salmi, & Dmitry Yu. Murzin. (2014). Continuous hydrogenation of glucose with ruthenium on carbon nanotube catalysts. Catalysis Science & Technology. 5(2). 953–959. 26 indexed citations

9.

Aho, Atte, Stefan Roggan, Olga Šimáková, Tapio Salmi, & Dmitry Yu. Murzin. (2014). Structure sensitivity in catalytic hydrogenation of glucose over ruthenium. Catalysis Today. 241. 195–199. 56 indexed citations

10.

Limberg, Christian, Stefan Roggan, Christian Herwig, et al.. (2012). Gold– and Platinum–Bismuth Donor–Acceptor Interactions Supported by an Ambiphilic PBiP Pincer Ligand. Angewandte Chemie International Edition. 51(20). 4989–4992. 86 indexed citations

11.

Roggan, Stefan, et al.. (2011). Transition metal complexes of the novel hexadentate ligand 1,4-bis(di(N-methylimidazol-2-yl)methyl)phthalazine. Dalton Transactions. 40(16). 4315–4315. 7 indexed citations

12.

Dau, Holger, Christian Limberg, Tobias Reier, et al.. (2010). ChemInform Abstract: The Mechanism of Water Oxidation: From Electrolysis via Homogeneous to Biological Catalysis. ChemInform. 41(38). 2 indexed citations

13.

Roggan, Stefan, Christian Limberg, B. Ziemer, Maike Siemons, & Ulrich Simon. (2006). Reactivity and Properties of [−O−Bi^III...OMo−]_nChains. Inorganic Chemistry. 45(22). 9020–9031. 18 indexed citations

14.

Roggan, Stefan & Christian Limberg. (2006). Molecular molybdenum/bismuth compounds. Inorganica Chimica Acta. 359(15). 4698–4722. 30 indexed citations

15.

Roggan, Stefan, Christian Limberg, & B. Ziemer. (2005). Molecular Compounds with Mo‐O‐Bi Moieties. Angewandte Chemie International Edition. 44(33). 5259–5262. 20 indexed citations

16.

Roggan, Stefan, et al.. (2005). Organometallic Mo–O–Bi complexes. Journal of Organometallic Chemistry. 690(23). 5282–5289. 21 indexed citations

17.

Roggan, Stefan, Christian Limberg, & B. Ziemer. (2005). Molekülverbindungen mit Mo‐O‐Bi‐Einheiten. Angewandte Chemie. 117(33). 5393–5397. 11 indexed citations

18.

Roggan, Stefan, et al.. (2004). Intramolecular CH Activation in Complexes with MoBi Metal Bonds. Angewandte Chemie International Edition. 43(21). 2846–2849. 42 indexed citations

19.

Roggan, Stefan, et al.. (2004). “Bent Bonds” between Bismuth and Carbon Atoms as a Result of CH Activation in MoBi Complexes. Chemistry - A European Journal. 11(1). 225–234. 41 indexed citations

20.

Roggan, Stefan, et al.. (2004). Intramolekulare C‐H‐Aktivierung in Komplexen mit Mo‐Bi‐Metallbindungen. Angewandte Chemie. 116(21). 2906–2910. 21 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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