Dr. Alexander Wollbrink (born as Schulz)
Publications
A comprehensive list of all the published work can be found on the ORCID-Profile.
Curriculum vitae
since 09.2022
Research assistant/ Postdoc, Habilitant, Institute of inorganic chemistry and crystallography, Gesing group, Solid State Chemical Crystallography, team leader solid-state materials application,
Topic: Mixed perovskite- and mullite-type bandgap tailored visible light photocatalysts for wastewater purification
06. 2022 – 08.2022
Further training in the field of programming languages at the certified educational institution karriere tutor GmbH, basics of programming, data science with Python, OOP with Java.
05.03.2021
Defence of doctoral thesis,
Thesis: Hydrogen-selective porous carbon-based membranes for catalytic steam reforming of bio-ethanol.,
Hannover: Gottfried Wilhelm Leibniz Universität, Diss., 2021, VIII, 159 S.
10.2020 – 12.2021
Limited Partner and independent expert in the field of building materials analysis at the Company of MIB & ZMK GmbH and Co. KG, Hannover, (z.B. Polarization microscopy,
SEM/EDXS, XRPD, Raman spectroscopy)
04.2020 – 09.2020
Employee at the Company of MIB & ZMK GmbH and Co. KG, Hannover.
03.2017-03.2020
Research Assistant at Institute of Energy Research and Physical Technologies, TU Clausthal, group: Prof. Dr. Holger Fritze,
Topic: Insitu methods for the determination of high oxygen deficits in ceriazirconia solid solutions for the use in exhaust gas aftertreatment.
04.2013 – 03.2017
Doctoral student at Institute of physical Chemistry and Electrochemistry, group Prof. Dr. Jürgen Caro,
Topic: Hydrogen production by biomethane and bio-ethanol in catalytic membrane reactors.
10.2012 – 03.2013
Exposé-Stipendium (Grant) of the Graduierten Akademie at the Leibniz University of Hannover in the Institute of Mineralogy, group: Prof. Dr. J.-Ch. Buhl,
Topic: Manner of reaction of hydrides of the light elements (NaH, MgH2, NaBH4) in amorphous and crystalline host materials.
10.2012-03.2013
Exercise Instructor: Practice in Crystallography for the lecture Crystallography at the Institute of Mineralogy, Leibniz University Hannover.
01.2011 – 09.2012
Research assistant in the group of Prof. Dr. J.-Ch. Buhl (Crystallography) at the Institute of Mineralogy, Leibniz University Hannover.
10.2010 – 09.2012
Master of Science in Mineralogy and Geochemistry at the Institute of Mineralogy, Leibniz University Hannover,
Thesis: Investigations for the thermal dehydration of NaB(OH)4-Sodalite.
10.2007 – 09.2010
Bachelor of Science in Geosciences at the Institute of Mineralogy, Leibniz University Hannover,
Thesis: Synthesis and Characterisation of nano-sized Tetrahydroxoborate SodaliteNa8[AlSiO4]6 [B(OH)4]2.
Research Interests
- Synthesis and Characterization of narrow bandgap materials, e.g. Mullite-type, Spinell-type or other oxidic materials
- Synthesis and Characterization of quantum-, nano- and micro-crystalline materials
- Synthesis and Characterization of single and multi-component materials
- Application of solids for photocatalytic degradation of persistent organic pollutions (POP’s)