DEGAS Publications

2019

 
Experimental Evidence of Confined Methane Hydrate in Hydrophilic and Hydrophobic Model Carbons, M.E. Casco, E. Zhang, S. Grätz, S. Krause, V. Bon, D. Wallacher, N. Grimm, D. Többens, T. Hauss, and L. Borchardt, J. Phys. Chem. C 123, 24071 (2019)
Towards general Network Architecture Design Criteria for Negative Gas Adsorption Transitions in Ultraporous Frameworks, S. Krause, J.D. Evans, V. Bon, I. Senkovska, P. Iacomi, F. Kolbe, S. Ehrling, E. Troschke, J. Getzschmann, D.M. Többens, A. Franz, D. Wallacher, P.G. Yot, G. Maurin, E. Brunner, Philip Llewellyn, F.-X. Coudert, S. Kaskel, Nature Communications 10, 3632 (2019)
Structural peculiarities in the beta phase of the La0.75Ce0.25Ni4.8Al0.2 deuterides, J. Czub, W. Jamka, J. Przewoźnik, A. Zarzecka, A. Hoser, D. Wallacher, N. Grimm, Ł. Gondek, Journal of Alloys and Compounds 788, 533 (2019)
BerILL: The ultimate humidity chamber for neutron scattering, J. Gonthier, M.A. Barrett, O. Aguettaz, S. Baudoin, E. Bourgeat-Lami, B. Demé, N. Grimm, T. Hauß, K. Kiefer E. Lelièvre-Berna, A. Perkins, D. Wallacher, J. Neutron Research 21, 65 (2019)
Quantum Dynamics of H2 and D2 Confined in Hydrate Structures as a Function of Pressure and Temperature, U. Ranieri, M. Koza, W. Kuhs, R. Gaal, S. Klotz, A. Falenty, D. Wallacher, J. Ollivier, P. Gillet, L. Bove, J. Phys. Chem. C 123, 1888 (2019)
Peering into the structural evolution of glass-like carbons derived from phenolic resin by combining small-angle neutron scattering with an advanced evaluation method for wide-angle X-ray scattering, F. Badaczewski, M.O. Loeh, T. Pfaff, S. Dobrotka, D. Wallacher, D. Clemens, J. Metz, B.M. Smarsly, Carbon 141, 169 (2019)

2017

 
A Stimuli-Responsive Zirconium Metal–Organic Framework Based on Supermolecular Design, S. Krause, I. Senkovska, V. Bon, D. Többens, D. Wallacher, S. Kaskel, U. Stoeck, Angew. Chem. 129, 10816 (2017)
Phonons in mesoporous silicon: the influence of nanostructuring on the dispersion in the Debye regime, T. Hofmann, D. Wallacher, R. Toft-Petersen, B. Ryll, M. Reehuis, K. Habicht, Microporous and Mesoporous Materials 243, 263 (2017)
In situ monitoring of unique switching transitions in the pressure-amplifying flexible framework material DUT-49 by high-pressure 129Xe NMR spectroscopy, J. Schaber, S. Krause, S. Paasch, I. Senkovska, V. Bon, D. Többens, D. Wallacher, S. Kaskel, E. Brunner, Journal of Physical Chemistry C 121, 5195 (2017)
Oxygen release from BaLnMn2O6 (Ln: Pr, Nd, Y) under reducing conditions as studied by neutron diffraction, A. Klimkowicz, K. Świerczek, K. Zheng, D. Wallacher, A. Takasaki, Journal of Materials Science 52, 6476 (2017)
In situ monitoring of unique switching transitions in the pressure-amplifying flexible framework material DUT-49 by high-pressure 129Xe NMR spectroscopy, J. Schaber, S. Krause, S. Paasch, I. Senkovska, V. Bon, D. Többens, D. Wallacher, S. Kaskel, E. Brunner, Journal of Physical Chemistry C 121, 5195 (2017)
In Situ Hydrogenation of the Zintl Phase SrGe, H. Auer, D. Wallacher, T.C. Hansen, H. Kohlmann, Inorganic Chemistry 56, 1072 (2017)
2016  
Conformation-controlled hydrogen storage in the CAU-1 metallic organic framework, M.C. Schlegel, D. Többens, R. Svetogorov, M. Krüger, N. Stock, H. Reinsch, D. Wallacher, R. Stewart, M. Russina, Physical Chemistry Chemical Physics 18, 29258 (2016)
Gaining Insights on the H2 – Sorbent Interactions: Robust soc-MOF Platform as a Case Study, A.J. Cairns, J. Eckert, L. Wojtas, M. Thommes, D. Wallacher, P.A. Georgiev, P.M. Forster, Y. Belmabkhout, J. Ollivier, M. Eddaoudi, Chemistry of Materials 28, 7353 (2016)

Formation of Periodically Arranged Nanobubbles in Mesopores: Capillary Bridge Formation and Cavitation during Sorption and Solidification in an Hierarchical Porous SBA-15 Matrix, T. Hofmann, D. Wallacher, J. Perlich, S. Koyiloth Vayalil, P. Huber, Langmuir 32, 2928 (2016)

The suitability of infinite slit-shaped pore model to describe the pores in highly porous carbon materials, H. Kurig, M. Russina, I. Tallo, M. Siebenbürger, T. Romann, E. Lust, Carbon 100, 617 (2016)

2015  
Elucidating the Sorption Mechanism of Dibromomethane in Disordered Mesoporous Silica Adsorbents, D. Stoeckel, D. Wallacher, G. Zickler, M. Thommes, B. Smarsly, Langmuir 31, 6332 (2015)
Controlled Pore Formation on Mesoporous Single Crystalline Silicon Nanowires: Threshold and Mechanisms, S. Weidemann, M. Kockert, D. Wallacher, M. Ramsteiner, A. Mogilatenko, K. Rademann, S.F. Fischer, J. Nanomaterials 2015, 672305 (2015)

Hydrogenation properties of LixSr1-xAlSi studied by quantum-chemical methods (0≤x≤1) and in-situ neutron powder diffraction (x=1), N. Kunkel, C. Reichert, M. Springborg, D. Wallacher, H. Kohlmann, J. Solid State Chem. 221, 318 (2015)

Poly(ionic liquid)-derived Nanoporous Carbon Analyzed by Combination of Gas Physisorption and Small-Angle Neutron Scattering, S. Mascotto, D. Kuzmicz, D. Wallacher, M. Siebenbürger, D. Clemens, S. Risse, J. Yuan, M. Antonietti, M. Ballauff, Carbon 82, 425 (2015)

Elastic response of mesoporous silicon to capillary pressures in the pores, G.Y. Gor, L. Bertinetti, N. Bernstein, T. Hofmann, P. Fratzl, P. Huber, Applied Physics Letters 106, 261901 (2015)

2014  
Sorption Phase of Supercritical CO2 in Silica Aerogel: Experiments and Mesoscale Computer Simulations, G. Rother, L. Vlcek, M.S. Gruszkiewicz, A.A. Chialvo, L.M. Anovitz, J.L. Banuelos, D. Wallacher, N. Grimm, D.R. Cole, J. Phys. Chem. C 118, 15525 (2014)
Coherent Analysis of Disordered Mesoporous Adsorbents using Small Angle X-Ray Scattering and Physisorption Experiments, D. Stoeckel, D. Wallacher, G.A. Zickler, U. Tallarek, B. Smarsly, Phys. Chem. Chem. Phys. 16, 6583 (2014)
Solid Phases of Spatially Nanoconfined Oxygen, D. Kojda, D. Wallacher, S. Baudoin, T.C. Hansen, P. Huber, T. Hofmann, J. Chem. Phys. 140, 24705 (2014)
In situ observation of gating phenomena in the flexible porous coordination polymer Zn2(BPnDC)2(bpy) (SNU-9) in a combined diffraction and gas adsorption Experiment, V. Bon, I. Senkovska, D. Wallacher, D. Többens, I. Zizak, R. Feyerherm, U. Müller, S. Kaskel, Inorganic Chemistry 53, 1513 (2014)
In situ monitoring of structural changes during the adsorption on flexible porous coordination polymers by X-ray powder diffraction: Instrumentation and experimental results, V. Bon, I. Senkovska, D. Wallacher, A. Heerwig, N. Klein, I. Zizak, R. Feyerherm, E. Dudzik, S. Kaskel, Microporous and Mesoporous Materials 188, 190 (2014)
2013  
The Complex Structural Picture of Strontium Tantalate, N. Jalarvo, S. Casolo, N. Aliouane, D. Wallacher, O.M. Løvvik, T. Norby, J. Phys. Chem. C 117, 9543 (2013)
Growth of Highly Oriented Deuterium Crystals in Silicon Nanochannels, T. Hofmann, P. Kumar, E. Wheeler, M. Enderle, D. Wallacher, Phys. Rev. Letters 110, 065505 (2013)
CO2 Adsorption to Sub-Single Hydration Layer Montmorillonite Clay Studied by Excess Sorption and Neutron Diffraction, G. Rother, E.S. Ilton, D. Wallacher, T. Hauß, H.T. Schaef, O. Qafoku, K.M. Rosso, A.R. Felmy, E.G. Krukowski, A. Stack, R.J. Bodnar, Environmental Science & Technology 47, 205 (2013)
On the verge of short D-D distances in RNiIn deuterides, L. Gondek, K. Kozlak, J. Czub, D. Rusinek, A. Szytula, A. Hoser, Intermetallics 34, 23 (2013)
2012  
Deformation mechanism of nanoporous materials upon water freezing and melting, M. Erko, D. Wallacher, O. Paris, Appl. Phys. Lett. 101, 181905 (2012)
Repeated sorption of water in SBA-15 investigated by means of in-situ small-angle X-ray scattering, M. Erko, D. Wallacher, G.H. Findenegg, O. Paris, J. Phys.: Condens. Matter 24, 284112 (2012)
Distribution of functional groups in periodic mesoporous organosilica materials studied by small-angle neutron scattering with in situ adsorption of nitrogen, M. Sharif, D. Wallacher, M. Wark, Beilstein J. Nanotechnol. 3, 428 (2012)
Direct Measurements of Pore Fluid Density by Vibrating Tube Densimetry, M. S. Gruszkiewicz, G. Rother, D.J. Wesolowski, D.R. Cole, D. Wallacher, Langmuir 28, 5070 (2012)
Density minimum of confined water at low temperatures: A combined study by small-angle scattering of X-rays and neutrons, M. Erko, D. Wallacher, A. Hoell, T. Hauß, I. Zizak, O. Paris, Phys. Chem. Chem. Phys. 14, 3852 (2012)
Towards room temperature, direct, solvent free synthesis of tetraborohydrides, A. Remhof, Y. Yan, O. Friedrichs, J.W. Kim, Ph. Mauron, A. Borgschulte, D. Wallacher, A. Buchsteiner, A. Hoser, K.H. Oh, Y.W. Cho, A. Züttel, J. Phys.: Conf. Ser. 340, 12111 (2012)
In situ neutron diffraction under high pressure—Providing an insight into working catalysts, T. Kandemir, D. Wallacher, T. Hansen, K.D. Liss , R. Naumann d’Alnoncourt, R. Schlögl, M. Behrens, Nuclear Instruments and Methods in Physics Research Section A 673, 51 (2012)
Pore size effects on the sorption of supercritical carbon dioxide in mesoporous CPG-10 silica, with application to carbon dioxide storage in quartz-rich reservoirs, G. Rother, E.J. Krukowski, D. Wallacher, N. Grimm, R.J. Bodnar, D.R. Cole, J. Phys. Chem. C 116, 917 (2012)
2011  
Gas-solid synthesis of LiBD4 studied by in-situ neutron diffraction, A. Remhof, O. Friedrichs, J.W. Kim, A. Borgschulte, A. Züttel, D. Wallacher, A. Hoser, ECNS Prag 2011 Proceedings: Journal of Physics: Conference Series (JPCS) (2011)
Flexible and Hydrophobic Zn-Based Metal-Organic Framework, I.M. Hauptvogel, R. Biedermann, N. Klein, I. Senkovska, A. Cadiau, D. Wallacher, R. Feyerherm, S. Kaskel, Inorg. Chem. 50, 8367 (2011)
Deuterium absorption in Mg70Al30 thin films with bilayer catalysts: A comparative neutron reflectometry study, E. Poirier, C.T. Harrower , P. Kalisvaart , A. Birda , A. Teichert, D. Wallacher, N. Grimm, R. Steitz, D. Mitlin, H. Fritzsche, J. Alloys and Compounds 509, 5466 (2011)
Detection of homogeneous distribution of functional groups in mesoporous silica by small angle neutron scattering and in-situ adsorption of nitrogen or water, M. Sharifi, R. Marschall, D. Wallacher, M. Wark, Langmuir 27, 5516 (2011)
2010  
In situ Neutron Diffraction Study of a Methanol Synthesis Catalyst under Working Conditions, T. Kandemir, D. Wallacher, M. Tovar, M. Behrens, Z. Anorg. Allg. Chem. 636, 2088 (2010)
Methane storage mechanism in the Metal-Organic Framework Cu3(btc)2: An in situ neutron diffraction study, J. Getzschmann, I. Senkovska, D. Wallacher, M. Tovar, D. Fairen-Jimenez, T. Düren, J. M. van Baten, R. Krishna, S. Kaskel, Microporous & Mesoporous Materials 136, 50 (2010)
BH4-Self-Diffusion in Liquid LiBH4, P. Martelli, A. Remhof, A. Borgschulte, P. Mauron, D. Wallacher, E. Kemner, M. Russina, F. Pendolino, A. Züttel, J. Phys. Chem. A 114, 10117 (2010)
Core shell structure for solid gas synthesis of LiBD4, O. Friedrichs, J.W. Kim, A. Remhof, D. Wallacher, A. Hoser, Y.W. Cho, K.H. Oh, A. Züttel, Phys. Chem. Chem. Phys. 12, 4600 (2010)
Adsorption in Periodically Ordered Mesoporous Organosilica Materials Studied by in-situ Small-angle X-ray Scattering and Small-angle Neutron Scattering, S. Mascotto, D. Wallacher, A. Kuschel, S. Polarz, G. Zickler, A. Timmann, B. Smarsly, Langmuir 26, 6583 (2010)
In-situ Small-Angle Neutron Scattering Study of Pore Filling and Pore Emptying in Ordered Mesoporous Silica, M. Erko, D. Wallacher, A. Brandt, O. Paris, J. App. Cryst. 43, 1 (2010)
2009  
Hydrogen cycling behavior of LiBD4/Al studied by in situ neutron diffraction, A. Remhof, O. Friedrichs, F. Buchter, P. Mauron, J.W. Kim, K.H. Oh, A. Buchsteiner, D. Wallacher, A. Züttel, J. Alloys and Compounds 484, 654 (2009)
Analysis of Microporosity in Ordered Mesoporous Hierarchically Structured Silica by Combining Physisorption With in Situ Small-Angle Scattering (SAXS and SANS), S. Mascotto, D. Wallacher, A. Brandt, T. Hauss, M. Thommes, G. Zickler, S. Funari, A. Timmann, B. M. Smarsly, Langmuir 25, 12670 (2009)
Lithiumdotierung eines hydroxymodifizierten MIL‐53‐Strukturanalogons zur Verbesserung der Wasserstoffadsorption, D. Himsl, D. Wallacher, M. Hartmann, Angewandte Chemie 121, 4710 (2009)

Improving the Hydrogen Adsorption Properties of a Hydroxyl-Modified MIL-53(Al) Structural Analogue by Li-Doping, D. Himsel, D. Wallacher, M. Hartmann, Angewandte Chemie – International Edition 48, 4639 (2009)

D. Jung, M. Paradiso, D. Wallacher, A. Brandt, M. Hartmann, ChemSusChem 2, 161 (2009)

Formation of Cross-Linked Chloroperoxidase Aggregates in the Pores of Mesocellular Foams: Characterization by SANS and Catalytic Properties, D. Jung, M. Paradiso, D. Wallacher, A. Brandt, M. Hartmann, ChemSusChem 2, 161 (2009)
The effect of Al on the hydrogen sorption mechanism of LiBH4, O. Friedrich, J.W. Kim, A. Remhof, F. Buchter, A. Borgschulte, D. Wallacher, Y. W. Cho, M. Fichtner, K. H. Oh, A. Züttel, Phys. Chem. Chem. Phys. 11, 1515 (2009)
2008  
Solid state synthesis of LiBD4 observed by in-situ neutron diffraction, A. Remhof, O. Friedrichs, F. Buchter, D. Wallacher, A. Züttel, Phys. Chem. Chem. Phys. 10, 5859 (2008)
2007  
Pore hierarchy in mesoporous silicas evidenced by in-situ SANS during nitrogen physisorption, O. Sel, M. Thommes, A. Brandt, D. Wallacher, B. Smarsly, Langmuir 23, 4724 (2007)
Dynamics of Argon in confined geometry, K. Schmalzl, D. Wallacher, M.M. Koza, M. Rheinstädter, D. Strauch, K. Knorr, Eur. Phys. J. Special Topics 141, 117 (2007)