Dehnen, Stefanie - Philipps-Universität Marburg

研究领域

We are interested in multinary, non-oxidic cluster and network compounds, which are of great importance for basic research in inorganic materials chemistry as well as for various fields of application due to their special electronic and structural properties . For the synthesis of these compounds we use compounds with binary main group element aggregates. This is how we address the following substances: 1) Compounds with multinary anions : zeolite analogues (zeotypes), chalcogenidometallate clusters or multinary intermetalloid clusters [M x T y E z ] q 2) Multinary Hybrid Compounds : Polynuclear complexes or clusters with functionalized organic ligands. [(RT) x E z ] q or [(ML n ) x (RT) y E z ] q (T = Group 13-15 element; E = Group 14-16 element; M = transition metal; L = ligand, R = functionalized organic substituent; q = possible charge) Depending on the substance class, we carry out high-temperature reactions , polychalcogenide flux reactions , ionothermal reactions or reactions in conventional solvents . The chemical and physical properties (reactivities, geometric and electronic structures) of the resulting heterometallic and/or mixed-valence complexes or hybrid compounds are further investigated. For this we use different experimental characterization methods and quantum chemical calculations .

近期论文

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"Between Elemental Match and Mismatch: From K12Ge3.5Sb6 to Salts of (Ge2Sb2)2−, (Ge4Sb12)4−, and (Ge4Sb14)4−" K. Beuthert, F. Pan, L. Guggolz, R. J. Wilson, J. Hempelmann, R. Dronskowski, S. Dehnen,* 2022, submitted. "Insights into molecular non-linear optical response materials by considering dimer interactions" S. Schwan, A. J. Achazi, P. R. Schreiner, K. Volz, S. Dehnen, D. Mollenhauer, 2022, submitted. "Ultra-Broadband Visible and Infrared Light Generation Driven by Far Infrared Light in the Broad Region from 8 µm to 240 µm" N. W. Rosemann, R. C. Döring, E. Dornsiepen, J. Belz, J. Haust, F. Bernhardt, F. Ziese, C. Attaccalite, S. Winnerl, H. Schneider, M. Helm, S. Dehnen, K. Volz, S. Sanna, S. Chatterjee, 2022, submitted. "Manipulating White-Light Generation in Adamantane-Like Molecules via Functional Group Substitution" S. Gowrisankar. C. A. Hosier, P. R. Schreiner,* S. Dehnen,* 2022, submitted. "Large Exchange Bias, High Dielectric Constant, and Outstanding Ionic Conductivity in a Single- Phase Spin Glass" M. R. Ghazanfari, A. Santhosh, K. Siemensmeyer, F. Fuß, L. Staab, J. C. Vrijmoed, B. Peters, M. Liesegang, S. Dehnen, O. Oeckler, P. Jerabek, G. Thiele,* 2022, submitted. "Aromaticity in prismatic {Bi6}-based clusters" B. Peerless, A. Schmidt, Y. Franzke, S. Dehnen,* 2022, submitted. "Cluster-glasses for inexpensive white-light emission" I. Rojas Léon, J. Christmann, S. Schwan, F. Ziese, S. Sanna, D. Mollenhauer, N. W. Rosemann, S. Dehnen,* 2022, submitted. "High purity cycloferrate Na7[Fe3O8]: large-scale synthesis, impedance, optical, thermal, dielectric, and magnetic properties" F. Fuß, M. R. Ghazanfari, A. Santhosh, B. Peters, J. Marquardt, K. Siemensmeyer, J. C. Vrijmoed, F. Emmerling, S. Dehnen, P. Jerabek, G. Thiele,* 2022, submitted. "Origin of Crystallization Suppression in a New Amorphous Molecular White-Light-Generating Material" B. D. Klee, B. Paulus, J. Link Vasco, W.-C. Pilgrim,* S. Dehnen, S. Hosokawa, 2022, submitted. "Structure Determination in a New Class of Amorphous Cluster Compounds with Extreme Nonlinear Optical Properties" W.-C. Pilgrim,* J. R. Stellhorn, B. D. Klee, J. Link Vasco, B. Paulus, A. Zeidler, S. Hosokawa, S. Hayakawa, S. Dehnen, J. Phys. Soc. Japan 2022, 91, in the print. "Capture the Missing: Formation of (PbBi3)– and {[AuPb5Bi3]2}4– via Atom Exchange or Reorganization of the Pseudo-Tetrahedral Zintl Anion (Pb2Bi2)2−" F. Pan, L. Guggolz, S. Dehnen,* Nat Sci. 2022, 1, in the print. "[M@Sn14–xSbx]q– (M = La, Ce, U; x = 6 – 8): Interaction of 4f or 5f Metal Ions with 5p Metal Atoms in Intermetalloid Clusters" K. Beuthert, B. Weinert, R. J. Wilson, F. Weigend, S. Dehnen,* Inorg. Chem. 2022, in the print. "White-light generating molecular materials: correlation between the amorphous/crystalline structure and nonlinear optical properties" J. Haust, J. Belz, M. Müller, B. Klee, J. Link Vasko, F. Hüppe, I. Rojas Léon, J. Christmann, A. Beyer, S. Dehnen, N. W. Rosemann, W.-C. Pilgrim, S. Chatterjee, K. Volz,* ChemPhotoChem 2022, in the print. "Local Structure of Amorphous Organotin Sulfide Clusters by Low-Energy X-Ray Absorption Fine Structure" J. R. Stellhorn, S. Hayakawa, B. D. Klee, B. Paulus, J. Link Vasco, N. Rinn, I. Rojas Léon, S. Dehnen, W.-C. Pilgrim, Phys. Status Solidi B 2022, in the print. "Open questions on bonding involving lanthanide atoms" T. Vitova,* P. Roesky,* S. Dehnen,* Commun. Chem. 2022, 5, 12. Highlight: Part of the CommsChem collection “Celebrating Women in Chemistry”. "Ionothermal Access to Defined Oligomers of Supertetrahedral Selenido Germanate Clusters" Z. Wu, I. Nußbruch, S. Nier, S. Dehnen,* JACS Au 2022, 2, 204–213 (Cover Image). "Electronic structure and bonding in endohedral Zintl clusters" J. E. McGrady,* F. Weigend,* S. Dehnen,* Chem. Soc. Rev. 2022, 51, 628–649. "Non-Oxide p-Block (Semi-)Metal Chalcogenide Cage Compounds" N. Rinn, S. Dehnen,* in Comprehensive Inorganic Chemistry III (Eds: J. Reedijk, K. Poeppelmeier), Elsevier B.V., 2022, in the print. "Introducing Distinct Structural and Optical Properties into Organotin Sulfide Clusters by Attachment of Perylenyl and Corannulenyl Groups" E. Geringer, M. Gerhard, S. Dehnen,* Inorg. Chem. 2021, 60, 19381–19392. "Fluorine: A Very Special Element and its Very Special Impacts on Chemistry" S. Dehnen,* L. Schafer, T. Lectka, A. Togni, Inorg. Chem. 2021, 60, 17419–17425 (Editorial); Org. Lett. 2021, 23, 9013–9019 (Editorial); Organometallics 2021, 40, 3858–3864 (Editorial); J. Org. Chem. 2021, 86, 16213–16219 (Editorial).