Concepedia
Statistics
Publications
45
Citations
5.2K
H-Index
28
Active since
1965
Affiliations
Osnabrück University(Current)
Hochschule Osnabrück
University of Würzburg
University of Hull
Saarland University
Helmut Schäfer is an author at Osnabrück University specializing in engineering, chemistry, and materials science.
Top concepts
EngineeringChemistryMaterial ScienceChemical EngineeringNanomaterialsNanotechnologyFunctional MaterialsApplied PhysicsCrystallographyInorganic Chemistry
Publications per year
1965–2023
Upconverting Nanoparticles
Markus Haase, Helmut Schäfer · Angewandte Chemie International Edition · 2011 · 2.4K citations
Stainless steel made to rust: a robust water-splitting catalyst with benchmark characteristics
Helmut Schäfer, Shamaila Sadaf, Lorenz Walder et al. · Energy & Environmental Science · 2015 · 221 citations · Full text
Materials Science, Benchmark Characteristics, Chemical Engineering +13
Synthesis and Optical Properties of KYF<sub>4</sub>/Yb, Er Nanocrystals, and their Surface Modification with Undoped KYF<sub>4</sub>
Helmut Schäfer, Pavel Ptáček, Otmane Zerzouf et al. · Advanced Functional Materials · 2008 · 221 citations
Optical Materials, Engineering, Colloidal Nanocrystals +18
Lanthanide-Doped NaYF<sub>4</sub> Nanocrystals in Aqueous Solution Displaying Strong Up-Conversion Emission
Helmut Schäfer, Pavel Ptáček, Karsten Kömpe et al. · Chemistry of Materials · 2007 · 217 citations
Materials Science, Nanoparticles, Chemical Engineering +14
Surface Oxidation of Stainless Steel: Oxygen Evolution Electrocatalysts with High Catalytic Activity
Helmut Schäfer, Seyyed Mohsen Beladi‐Mousavi, Lorenz Walder et al. · ACS Catalysis · 2015 · 177 citations
Aisi 304, Engineering, Oxidation Resistance +16
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