Dr. Dennis Wiedemann
Dr. Dennis Wiedemann
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Sterically crowded di-indazolyl-pyridines: Iron(II) complexation studies
Several intermediates and by-products were obtained on the route to a [di(indazolyl)pyridyl]benzoic acid and a [di(pyrazolyl)pyridyl]anthracenecarboxylic acid.
S. Omar
,
E. Irran
,
Dr. Dennis Wiedemann
,
D. Baabe
,
A. Grohmann
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DOI
CalcOPP: a program for the calculation of one-particle potentials (OPPs)
The software CalcOPP presented herein permits calculating two- or three-dimensional OPPs either from probability density functions or from scattering-density maps.
Dr. Dennis Wiedemann
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DOI
Out in Inorganic Chemistry: A Celebration of LGBTQIAPN+ Inorganic Chemists
Ein Leitartikel über lesbische, schwule, bisexuelle, trans, queere, inter, aromantische/asexuelle, pansexuelle, polyamore und nichtbinäre anorganische Chemiker:innen
A. Ghosh
,
W. B. Tolman
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DOI
Lesen …
Hybrid Perovskite at Full Tilt: Structure and Symmetry Relations of the Incommensurately Modulated Phase of Methylammonium Lead Bromide, MAPbBr₃
We describe the incommensurately modulated structure of MAPbBr₃ in (3+1)D superspace, as deduced from single-crystal X-ray diffractometry despite twinning.
Dr. Dennis Wiedemann
,
J. Breternitz
,
D. W. Paley
,
S. Schorr
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DOI
Supporting Information
Synthesis and Doping Strategies to Improve the Photoelectrochemical Water Oxidation Activity of BiVO₄ Photoanodes
In the present work, we review the synthesis and doping strategies that we developed in the last years to improve the PEC performance of BiVO₄ photoanodes.
M. Rohloff
,
B. Anke
,
Dr. Dennis Wiedemann
,
A. C. Ulpe
,
O. Kasian
,
C. Scheu
,
T. Bredow
,
M. Lerch
,
A. Fischer
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DOI
Supporting Information
And Yet It Moves: A High-Temperature Neutron Diffraction Study of Ion Diffusion in the Inverse Perovskites BaLi𝘟₃ (𝘟 = F, H, D)
In BaLi𝘟₃ (𝘟 = F, H, D), anion diffusion occurs along edges of the Li𝘟₆ coordination octahedra with migration barriers of 0.4–0.5 eV for the hydrides.
Dr. Dennis Wiedemann
,
E. M. Heppke
,
A. Franz
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DOI
Supporting Information
Structural complexities and sodium-ion diffusion in the intercalates NaₓTiS₂: move it, change it, re-diffract it
We present a literature summary on the Na–Ti–S system, a new synthesis route to Na0.5TiS₂-3𝘙₁, and results of X-ray and neutron diffractometry on this polytype.
Dr. Dennis Wiedemann
,
E. Suard
,
M. Lerch
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DOI
Supporting Information
CIF
Synthesis, characterization, and crystal structure of aquabis(4,4′-dimethoxy-2,2′-bipyridine)[μ-(2𝘙,3𝘙)-tartrato(4−)]dicopper(II) octahydrate
We report on the synthesis and crystal structure of [Cu₂(C₁₂H₁₂N₂O₂)₂(C₄H₂O₆)(H₂O)] · 8 H₂O from an electroless-copper-bath mock-up.
Dr. Dennis Wiedemann
,
R.-D. Kulko
,
A. Grohmann
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DOI
CIF
Commensurate Nb₂Zr₅O₁₅: Accessible Within the Field Nb₂ZrₓO₂ₓ₊₅ After All
We report on the comparably mild sol-gel synthesis of Nb₂Zr₅O₁₅ and the elucidation of its commensurately modulated structure via neutron diffraction.
Dr. Dennis Wiedemann
,
S. Orthmann
,
M. J. Mühlbauer
,
M. Lerch
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DOI
Supporting Information
CIF
The inverse perovskite BaLiF₃: single-crystal neutron diffraction and analyses of potential ion pathways
Neutron diffraction on oxide-containing BaLiF₃ single-crystals is performed at up to 636.2 °C.
Dr. Dennis Wiedemann
,
F. Meutzner
,
O. Fabelo
,
S. Ganschow
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DOI
Supporting Information
CIF
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