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Dive into the research topics where Steffen Hausdorf is active.

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Featured researches published by Steffen Hausdorf.


Journal of Physical Chemistry A | 2008

Proton and Water Activity-Controlled Structure Formation in Zinc Carboxylate-Based Metal Organic Frameworks

Steffen Hausdorf; Jörg Wagler; Regina Moβig; Florian Mertens

The contributions of terephthalic acid and Zn(2+)-coordinated water in N,N-diethylformamide (DEF) to the overall proton activity in the synthesis of MOF-5 (Zn4O(BDC)3, BDC = 1,4-benzenedicarboxylate) were quantitatively determined by combined electrochemical and UV-vis spectroscopic measurements. Structural transformations of zinc carboxylate-based metal organic frameworks due to their exposure to environments with variable water concentrations and the chemical means necessary to revert these transitions have been investigated. It was found that the water-induced structural transition of MOF-5 to the hydroxide structure Zn3(OH)2(BDC)2 x 2 DEF (MOF-69c) can be reverted by a thermal treatment of the obtained compound and its subsequent exposure to anhydrous DEF. MOF-5 syntheses from simple carboxylates as well as a water-free synthesis based on nitrate decomposition are presented. The latter demonstrates that nitrate can serve as the sole source for the oxide ion in MOF-5.


Journal of the American Chemical Society | 2010

Main-Group and Transition-Element IRMOF Homologues

Steffen Hausdorf; Felix Baitalow; Tony Böhle; David Rafaja; Florian Mertens

A simple two-component procedure was developed to synthesize not only classical zinc-based IRMOFs represented by MOF-5 but also the cobalt and beryllium homologues of this most prominent MOF. The procedure is the first manifestation of mirroring the IRMOF series with other metal centers taken from main-group as well as transition-metal elements. Because of the existence of many suitable precursors, the procedure promises the generation of a large number of IRMOF homologues. Since the IRMOF series together with the MIL series is the MOF group with the largest number of representatives, the possibility of choosing the metal centers of the secondary building units from an extended set will tremendously expand the number of obtainable structures in a predictive, crystal-engineering-type way. Use of metal centers other than zinc will allow the addition of new features to the existing IRMOF structures, such as magnetic properties in the example of cobalt.


International Journal of Hydrogen Energy | 2008

A procedure for the regeneration of ammonia borane from BNH-waste products

Steffen Hausdorf; Felix Baitalow; G. Wolf; Florian Mertens


Journal of Physical Chemistry A | 2007

Gaseous species as reaction tracers in the solvothermal synthesis of the zinc oxide terephthalate MOF-5

Steffen Hausdorf; Felix Baitalow; Jürgen Seidel; Florian Mertens


Microporous and Mesoporous Materials | 2012

Room temperature preparation method for thin MOF-5 films on metal and fused silica surfaces using the controlled SBU approach

Alexander S. Münch; Maria S. Lohse; Steffen Hausdorf; Gerhard Schreiber; Denise Zacher; Roland A. Fischer; Florian Mertens


Dalton Transactions | 2009

Large pores generated by the combination of different inorganic units in a zinc hydroxide ethynylene diisophthalate MOF

Steffen Hausdorf; Wilhelm Seichter; Edwin Weber; Florian Mertens


Archive | 2007

Procedure for the hydrogenation of BNH-containing compounds

Gert Wolf; Felix Baitalow; Gerhard Roewer; Steffen Hausdorf; Gerd Arnold; Ulrich Eberle; Dieter Hasenauer; Florian Mertens


Archive | 2012

Method for producing oxide-based metal-organic framework materials by means of inverse methods

Steffen Hausdorf; Florian Mertens; Felix Baitalow; Jürgen Seidel; Roland Fischer


Archive | 2010

Verfahren zur Herstellung von oxidbasierten metall-organischen Gerüstmaterialien mittels inverser Synthese

Steffen Hausdorf; Florian Mertens; Felix Baitalow; Jürgen Seidel; Roland Fischer


Archive | 2009

Producing oxide based metal-organic framework materials, useful e.g. as natural gas storage material, comprises reacting zinc compounds with acid or its derivative as linker in the presence of non-aqueous solvent or dispersion medium

Steffen Hausdorf; Florian Mertens; Felix Baitalow; Jürgen Seidel

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Florian Mertens

Freiberg University of Mining and Technology

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Felix Baitalow

Freiberg University of Mining and Technology

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Jürgen Seidel

Freiberg University of Mining and Technology

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Gerd Arnold

University of Freiburg

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Gerhard Roewer

Freiberg University of Mining and Technology

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Gert Wolf

University of Freiburg

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G. Wolf

Freiberg University of Mining and Technology

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Roland Fischer

Freiberg University of Mining and Technology

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