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Helmut Schäfer
Helmut Schäfer
Senior Scientist-group leader
E-mailová adresa ověřena na: uni-osnabrueck.de - Domovská stránka
Název
Citace
Citace
Rok
Upconverting nanoparticles
M Haase, H Schäfer
Angewandte Chemie International Edition 50 (26), 5808-5829, 2011
26802011
Water electrolysis: from textbook knowledge to the latest scientific strategies and industrial developments
M Chatenet, BG Pollet, DR Dekel, F Dionigi, J Deseure, P Millet, ...
Chemical Society Reviews 51 (11), 4583-4762, 2022
5612022
Lanthanide-Doped NaYF4 Nanocrystals in Aqueous Solution Displaying Strong Up-Conversion Emission
H Schäfer, P Ptacek, K Kömpe, M Haase
Chemistry of Materials 19 (6), 1396-1400, 2007
2562007
Synthesis and Optical Properties of KYF4/Yb, Er Nanocrystals, and their Surface Modification with Undoped KYF4
H Schäfer, P Ptacek, O Zerzouf, M Haase
Advanced Functional Materials 18 (19), 2913-2918, 2008
2292008
Stainless steel made to rust: a robust water-splitting catalyst with benchmark characteristics
H Schäfer, S Sadaf, L Walder, K Kuepper, S Dinklage, J Wollschläger, ...
Energy & Environmental Science 8 (9), 2685-2697, 2015
1932015
Crystal Phase Control of Luminescing α‐NaGdF4:Eu3+and β‐NaGdF4:Eu3+ Nanocrystals
P Ptacek, H Schäfer, K Kömpe, M Haase
Advanced Functional Materials 17 (18), 3843-3848, 2007
1702007
Synthesis of Hexagonal Yb3+,Er3+‐Doped NaYF4 Nanocrystals at Low Temperature
H Schäfer, P Ptacek, H Eickmeier, M Haase
Advanced Functional Materials 19 (19), 3091-3097, 2009
1692009
Surface oxidation of stainless steel: oxygen evolution electrocatalysts with high catalytic activity
H Schäfer, SM Beladi-Mousavi, L Walder, J Wollschläger, O Kuschel, ...
ACS Catalysis 5 (4), 2671-2680, 2015
1602015
Nanopartikel für die Aufwärtskonversion
M Haase, H Schäfer
Angewandte Chemie 123 (26), 5928-5950, 2011
1432011
Steel: the resurrection of a forgotten water-splitting catalyst
H Schäfer, M Chatenet
ACS Energy Letters 3 (3), 574-591, 2018
1322018
Electro‐oxidation of Ni42 steel: a highly active bifunctional electrocatalyst
H Schäfer, DM Chevrier, P Zhang, J Stangl, K Müller‐Buschbaum, ...
Advanced Functional Materials 26 (35), 6402-6417, 2016
952016
X20CoCrWMo10-9//Co 3 O 4: a metal–ceramic composite with unique efficiency values for water-splitting in the neutral regime
H Schäfer, DM Chevrier, K Kuepper, P Zhang, J Wollschlaeger, D Daum, ...
Energy & Environmental Science 9 (8), 2609-2622, 2016
892016
Azadigermiridines by Addition of Diazomethane or Trimethylsilyldiazomethane to a Digermene1
H Schäfer, W Saak, M Weidenbruch
Organometallics 18 (16), 3159-3163, 1999
761999
Hexaaryltetragermabuta‐1, 3‐diene: A Molecule with Conjugated Ge− Ge Double Bonds
H Schäfer, W Saak, M Weidenbruch
Angewandte Chemie International Edition 39 (20), 3703-3705, 2000
742000
Improving the corrosion protection of aluminium alloys using reactive magnetron sputtering
H Schäfer, HR Stock
Corrosion Science 47 (4), 953-964, 2005
712005
Oxidized mild steel S235: an efficient anode for electrocatalytically initiated water splitting
H Schäfer, K Küpper, J Wollschläger, N Kashaev, J Hardege, L Walder, ...
ChemSusChem 8 (18), 3099-3110, 2015
562015
Synthesis of inorganic aerogels via rapid gelation using chloride precursors
H Schäfer, B Milow, L Ratke
RSC advances 3 (35), 15263-15272, 2013
552013
Optimizing the optical trapping stiffness of holographically trapped microrods using high-speed video tracking
DB Phillips, DM Carberry, SH Simpson, H Schäfer, M Steinhart, ...
Journal of Optics 13 (4), 044023, 2011
512011
Calibration of optically trapped nanotools
DM Carberry, SH Simpson, JA Grieve, Y Wang, H Schäfer, M Steinhart, ...
Nanotechnology 21 (17), 175501, 2010
512010
Electrochemical synthesis of coaxial TiO 2–Ag nanowires and their application in photocatalytic water splitting
AW Maijenburg, J Veerbeek, R de Putter, SA Veldhuis, MGC Zoontjes, ...
Journal of Materials Chemistry A 2 (8), 2648-2656, 2014
392014
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Články 1–20