Dr. rer. nat.
Lars Robben
Habilitand
Raum C3051
T: +49 (421) 218 - 63142
F: +49 (421) 218 - 98 63142
E: lrobben(.at.)uni-bremen.de
Universität Bremen
Chemische Kristallographie fester Stoffe /FB02
Leobener Straße /NW2
D-28359 Bremen
• Leitung des Röntgenlabors / REM-Labors
• Strahlenschutzbeauftragter nach RöV
| Current research interests: |
| Porous materials: |
| Sodalites (SOD): |
| • |
Template – framework interaction |
| • |
Diffusion and intra-cage reactions |
| • |
Structural and dynamical properties |
| • |
Low temperature structural properties of sodalites |
| Cancrinites (CAN) / Intermediate Phase (INT) |
| • |
Synthesis |
| • |
Structural description of the intermediate phase |
| Methods: |
| For temperature dependent X-ray powder diffraction and spectroscopic data: |
| • |
Automatization of the treatment of large data sets |
| • |
Autocorrelation of measurement data to pinpoint phase transitions etc. and to check the internal consistency of data sets |
Since 2011
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Research assistant – Solid State Chemical Crystallography / University of Bremen
Head of the X-ray and SEM lab / radiation protection officer
Project leader “Porous materials”
Habilitant
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2009
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Ph.D. defence
Thesis: „Influence of the material composition on the airborne sound emission in cut-off grinding of concrete“
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2008-2011
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Research assistant – Institute for Mineralogy / University of Hanover
Head of the X-ray lab / radiation protection officer
Head of the SEM lab
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2006-2008
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Ph.D. student – Institute for Mineralogy / University of Hanover
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2006
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Diploma in Earth Sciences / University of Hanover
Thesis: “Synthesis and Characterization of the Baryte-Celestine solid solution”
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1999-2006
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Study course „Earth Sciences“–University of Hanover
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1994-1999
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Study course “Physics/Astronomy” – University of Bonn
|
| 30 |
L Robben:
|
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On the autocorrelation method of external parameter depending data-sets |
|
Zeitschrift für Kristallographie (2017) in press |
| |
|
| 2017 |
| |
|
29 |
H Petersen, L
Robben, M Šehović, TM Gesing: |
| |
Synthesis, temperature-dependent X-ray
diffraction and Raman spectroscopic characterization of the
sodalite to nosean phase-transformation of
│Na7.7(1)(MnO4)1.7(2)(H2O)0.8(2)│[AlSiO4]6 |
| |
Microporous Mesoporous Materials 242 (2017)
144-15 |
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|
| 28 |
R Kather, EA Rychagova, PS Camacho, SE Ashbrook, JD Woollins, L Robben, E Lork, SY Ketkov, J Beckmann:
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Increasing the Brønsted Acidity of Ph2PO2H by the Lewis Acid B(C6F5)3. Formation of an Eight-Membered Boraphosphinate Ring [Ph2POB(C6F5)2O]2. |
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Chemical Communications 52 (2016) 10992-10995 |
| 27 |
A Ismail, I Abdelfattah, A Helal, S Al-Sayari, L Robben, DW Bahnemann:
|
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Ease synthesis of mesoporous WO3-TiO2 nanocomposites with enhanced photocatalytic performance for photodegradation of herbicide imazapyr under visible light and UV illumination. |
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Journal of Hazardous Materials 307 (2016) 43-54 |
| 26 |
B Xiao, P Kegler, TM Gesing, L Robben, A Blanca-Romero, P Kowalski, Y Li, V Klepov, D Bosbach, EV Alekseev:
|
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Giant Volume Change and Topological Gaps in Temperature- and Pressure-Induced Phase Transitions: Experimental and Computational Study of ThMo2O8. |
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Chemistry - A European Journal 22 (2016) 946-958 |
| 25 |
L Robben, E Merzlyakova, P Heitjans,T Gesing:
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Symmetry reduction due to gallium substitution in the garnet Li6.43(2)Ga0.52(3)La2.67(4)Zr2O12. |
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Acta Crystallographica Section E: Crystallographic Communications, E72 (2016) 287-289 |
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| 24 |
M Šehović, L Robben, TM Gesing:
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Carbon dioxide uptake in nitrite-sodalite: reaction kinetics and template ordering of the carbonate-nosean formation. |
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Zeitschrift für Kristallographie, 230 (2015) 263-269 |
| 23 |
B Xiao, TM Gesing, LRobben, D Bosbach, EV Alekseev:
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Dinuclear Face-Sharing Bioctahedral Tungsten (VI) Core and Unusual Thermal Behavior in Complex Th Tungstates. |
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Chemistry – A European Journal, 21 (2015) 7746-7754 |
| 22 |
A Ismail, I Abdelfattah, M Atitar, L Robben, H Bouzid, S Al-Sayari, DW Bahnemann:
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Photocatalytic degradation of imazapyr using mesoporous Al2O3-TiO2 nanocomposites |
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Separation and Purification Technology, 145 (2015) 147-153 |
| 21 |
I Poltz, L Robben, JC Buhl, TM Gesing:
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Synthesis, crystal structure and temperature-dependent behavior of gallogermanate nitrite sodalite |Na8(NO2)2|[GaGeO4]6. |
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Microporous and Mesoporous Materials, 203 (2015) 100-105 |
| 20 |
N Yu, VV Klepov, G Modolo, D Bosbach, EV Suleimanov, TM Gesing, L Robben, EV Alekseev:
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Morphotrophy and Temperature-Driven Polymorphism in A2Th(AsO4)2 (A = Li, Na, K, Rb, Cs) Series. |
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Inorganic Chemistry, 53 (2014) 11231-11241 |
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19
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L Robben, TM Gesing:
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Temperature-dependent framework-template interaction of |Na6(H2O)8|[ZnPO4]6 sodalite.
|
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Journal of Solid State Chemistry, 207 (2013) 13-20
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18
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I Poltz, L Robben, JC Buhl, TM Gesing:
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Synthesis, crystal structure and temperature-dependent behavior of gallogermanate tetrahydroborate sodalite |Na8(BH4)2|[GaGeO4]6.
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Journal of Solid State Chemistry, 197 (2013) 370-378
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17
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MM Murshed, G Nénert, M Burianek, L Robben, M Mühlberg, H Schneider, RX Fischer, TM Gesing:
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Temperature-dependent structural studies of mullite-type Bi2Fe4O9.
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Microporous and Mesoporous Materials, 174 (2013) 54-61
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16
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TA Kandiel, L Robben, A Alkaim, D Bahnemann:
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Brookite versus anatase TiO2 Photocatalysts: phase transformations and photocatalytic activities.
|
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Photochem. Photobiol. Sci. 12 (2013) 602-609
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| 15 |
L Robben, AA Ismail, SJ Lohmeier, A Feldhoff, DW Bahnemann, JC Buhl: |
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Facile Synthesis of Highly Ordered Mesoporous and Well Crystalline TiO2: Impact of Different Gas Atmosphere and Calcination Temperatures on Structural Properties |
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Chem. Mater. 24 (2012) 1268-1275 |
| 14 |
A Düvel, A Kuhn, L Robben, M Wilkening, P Heitjans: |
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Mechanosynthesis of Solid Electrolytes-Preparation, Characterization, and Li Ion Transport Properties of Garnet-type Al-doped Li7La3Zr2O12 Crystallizing with Cubic Symmetry |
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J. Phys. Chem. C116 (2012) 15192-15202 |
| 13 |
A Kuhn, JY Choi, L Robben, F Tietz, M Wilkening, P Heitjans: |
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Li Ion Dynamics in Al-Doped Garnet-Type Li7La3Zr2O12 Crystallizing with Cubic Symmetry |
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Z. Phys. Chem. 226 (2012) 525-537 |
| 12 |
AA Ismail, L Robben, DW Bahnemann: |
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Study of the Efficiency of UV and Visible-Light Photocatalytic Oxidation of Methanol on Mesoporous RuO2-TiO2 Nanocomposites |
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ChemPhysChem 12 (2011) 982-991 |
| 11 |
TA Kandiel, R Dillert, L Robben, DW Bahnemann: |
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Photonic efficiency and mechanism of photocatalytic molecular hydrogen production over platinized titanium dioxide from aqueous methanol solutions |
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Catalysis Today 161 (2011) 196-201 |
| 10 |
L Zhang, C Baumanis, L Robben, T Kandiel, DW Bahnemann: |
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Bi2WO6 Inverse Opals: Facile Fabrication and Efficient Visible-Light-Driven Photocatalytic and Photoelectrochemical Water-Splitting Activity |
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Small 19 (2011) 2714-2720 |
| 9 |
JC Buhl, K Schuster, L Robben |
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Nanocrystalline sodalite grown from superalkaline NaCl bearing gels at low temperature (333 K) and the influence of TEA on crystallization process |
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Micro. Meso. Mater. 142 (2011) 666-671 |
| 8 |
L Robben, AA Ismail, DW Bahnemann, JC Buhl: |
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Influence of the interdependency between matrix material and pore system on the Small Angle X-ray Scattering in ordered mesoporous materials |
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Micro. Meso. Mater. 143 (2011) 277-283 |
| 7 |
TA Kandiel, A Feldhoff, L Robben, R Dillert, DW Bahnemann: |
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Tailored titanium dioxide nanomaterials: anatase nanoparticles and brookite nanorods as highly active photocatalysts |
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Chem. Mater. 22 (2010) 2050-2060 |
| 6 |
L Robben, S Rahman, JC Buhl, B Denkena, B Konopatzki: |
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Airborne sound emission as a process monitoring tool in the cut-off grinding of concrete |
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Appl. Acoustics 71 (2010) 52-60 |
| 5 |
AA Ismail, DW Bahnemann, L Robben, V Yarovyi, M Wark: |
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Palladium doped porous titania photocatalysts: Impact of mesoporous order and crystallinity |
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Chem. Mater. 22 (2010) 108-116 |
| 4 |
L Robben, I Poltz, JC Buhl: |
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Crystal structure of sodium gallium germanium oxide, NaGaGeO4 |
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Z. Kristallogr. NCS 225 (2010) 421-422 |
| 3 |
J Martynczuk, K Efimov, L Robben, A Feldhoff: |
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Performance of zinc-doped perovskite-type membranes at intermediate temperatures for long-term oxygen permeation and under a carbon dioxide atmosphere |
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J. Membr. Sci. 344 (2009) 62-70 |
| 2 |
B Denkena, D Boehnke, B Konopatzki, JC Buhl, S Rahman, L Robben: |
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Sonic analysis in cut-off grinding of concrete |
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Produc. Eng. 2 (2008) 209-218 |
| 1 |
CH Rüscher, N Eils, L Robben, H Schneider: |
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Hydrogen bonding and diffusion in mullite |
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J. Eur. Ceram. Soc. 28 (2008) 393-400 |
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Book contributions
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| |
|
| 2 |
B Denkena, J Köhler, B Konopatzki, J-C Buhl, S Rahman, L
Robben: Methodik zur Bewertung der
Trennschleifeigenschaften von Beton,
in: H-W Hofmeister, B Denkena (Hrsg.): 65. Ausgabe Jahrbuch
Schleifen, Honen, Läppen und Polieren - Verfahren und Maschinen;
Essen, 2011, ISBN 978-3-8027-2959-1
|
| 1 |
B Denkena, B Konopatzki, L de Leon, J-C Buhl, S Rahman, L
Robben: Akustische Prozessanalyse bei der Bearbeitung
von Beton,
in: B. Denkena (Hg.): 6. IFW-Steinkolloquium - Entwicklungen in
der Naturstein- und Bauwerkstoffbearbeitung, Institut für
Fertigungstechnik und Werkzeugmaschinen, Hannover 12. und 13.
November 2008; Berichte aus dem IFW Band 09/2008; ISBN
978-3-941416-04-8 |
