Publications

2017

Z. SHI, M.R. GEIKER, B. LOTHENBACH, K. De WEERDT, S. FERREIRO GARZON, K. ENENMARK RASMUSSEN, J. SKIBSTED, Friedel’s salt profiles from thermogravimetric analysis and thermodynamic modelling of Portland cement-based mortars exposed to sodium chloride solution. Cement and Concrete Composites 78, 73 – 83 (2017).

2016

H. J. JAKOBSEN, L. SONG, Z. GAN, I. HUNG, H. BILDSØE, J. SKIBSTED, E. N. BAK, K. FINSTER, P. NØRNBERG, S. J. KNAK JENSEN, NMR and EPR studies of free-radical intermediates from experiments mimicking the winds on Mars: A sink for methane and other gases. Journal of Physical Chemistry C 120, 26138 – 26149 (2016). 

K. T. MØLLER, A. S. FOGH, M. PASKEVICIUS, J. SKIBSTED, T.R. JENSEN, Metal borohydride formation from aluminium boride and metal hydrides. Physical Chemistry Chemical Physics 18, 27545 – 27553 (2016).                                                                                                                 

S. HOLLANDERS, R. ADRIAENS, J. SKIBSTED, Ö. CIZER, J. ELSEN, Pozzolanic reactivity of pure calcined clays. Applied Clay Science 132 – 133, 552 – 600 (2016)

S. SOBHANI, F. ZARIFI, J. SKIBSTED, One-pot synthesis of terminal vinylphosphonates catalyzed by pyridine grafted GO as reusable acid-base bifunctional catalyst. Chemistry Select 1, 2945 – 2951 (2016).

Z. SHI, B. LOTHENBACH, M.R. GEIKER, J. KAUFMANN, A. LEEMANN, S. FERREIRO, J. SKIBSTED, Experimental studies and thermodynamic modeling of the carbonation of Portland cement, metakaolin and limestone mortars. Cement and Concrete Research 88, 60 – 72 (2016).

E. ROEDERN, Y.-S. LEE, M. B. LEY, K. PARK, Y. W. CHO, J. SKIBSTED, T. R. JENSEN, Solid-state synthesis, structural characterization and ionic conductivity of bimetallic alkali-activated yttrium borohydrides MY(BH4)4 (M = Li and Na). Journal of Materials Chemistry A 4, 8793 – 8802 (2016) 

W. KUNTHER, Z. DAI, J. SKIBSTED, Thermodynamic modeling of hydrated white Portland cement – metakaolin – limestone blends utilizing hydration kinetics from 29Si MAS NMR spectroscopy. Cement and Concrete Research, 86, 29 – 41 (2016).

D. NIED, K. ENEMARK-RASMUSSEN, E. L´HOPITAL, J. SKIBSTED, B. LOTHENBACH, Properties of magnesium silicate hydrates (M-S-H), Cement and Concrete Research 79, 323 – 332 (2016).

N. GARG, J. SKIBSTED, Pozzolanic reactivity of a calcined interstratified illite/smectite (70/30) clay. Cement and Concrete Research 79, 101 – 111 (2016).

2015

S.R.H. JENSEN, L.H. JEPSEN, J. SKIBSTED, T.R. JENSEN, Phase diagram for the NaBH4 – KBH4 system and the stability of a Na1-xKxBH4 solid solution. Journal of Physical Chemistry C 119, 27919 – 27929 (2015).

E. TAJUELO RODRIGUEZ, I.G. RICHARDSON, L. BLACK, E. BOEHM-COURJAULT, A. NONAT, J. SKIBSTED, Composition, silicate anion structure and morphology of calcium silicate hydrates (C-S-H) synthesized by silica-lime reaction and by controlled hydration of tricalcium silicate (C3S). Advances in Applied Ceramics 114, 362 – 371 (2015).

S. CHENG, G. YANG, Y. ZHAO, M. PENG, J. SKIBSTED, Y. YUE, Quantification of the boron speciation in alkali borosilicate glasses by electron energy loss spectroscopy. Scientific Reports 5, 17526 (2015). doi: 10.1038/srep17526.

L. JEPSEN, M.B. LEY, R. CERNÝ, Y.-S. LEE, Y.W. CHO,  D.B. RAVNSBÆK, F. BESENBACHER, J. SKIBSTED, T.R. JENSEN, Trends in syntheses, structures and properties for series of ammine rare-earth metal borohydrides. Inorganic Chemistry, 54, 7402 – 7414 (2015).

A.C.A. MULLER, K.L. SCRIVENER, J. SKIBSTED, A.M. GAJEWICZ, P.J. McDONALD, Influence of silica fume on the microstructure of cement pastes: New insights from 1H NMR relaxometry. Cement and Concrete Research, 74, 116 – 125 (2015).

T.F. SEVELSTED, J. SKIBSTED, Carbonation of C-S-H and C-A-S-H samples studied by 13C, 27Al and 29Si MAS NMR spectroscopy. Cement and Concrete Research, 71, 56 – 65 (2015).

K.L. SCRIVENER, B. LOTHENBACH, N DE BELIE, E. GRUYAERT, J. SKIBSTED, R. SNELLINGS, A. VOLLPRACHT, TC 238-SCM: hydration and microstructure of concrete with SCMs. Materials and Structures, 48, 835 – 862 (2015).

W. KUNTHER, B. LOTHENBACH, J. SKIBSTED, Influence of the Ca/Si ratio of the C-S-H phase on the interaction with sulfate ions and its impact on the ettringite crystallization pressure. Cement and Concrete Research, 69, 37 – 49 (2015).

2014

C. PISTIDDA, F. KARIMI, S. GARRONI, A. RZESZUTEK, C. BONATTO MINELLA, C. MILANESE, T.T. LE, L.H. RUDE, J. SKIBSTED, T.R. JENSEN, C. HORSTMANN, C. GUNDLACH, M. TOLKIEHN, P.K. PRANZAS, A. SCHREYER, T. KLASSEN, M. DORNHEIM, Effect of the partial replacement of CaH2 with CaF2 in the mixed system CaH2 + MgB2, Journal of Physical Chemistry C 118, 28409 – 28417 (2014).

P. NØRBY, J. OVERGAARD, P.S. CHRISTENSEN, B. RICHTER, X. SONG, M. DONG, A. HAN, J. SKIBSTED, B.B. IVERSEN, S. JOHNSEN, (NH4)4Sn2S6×3H2O: Crystal structure, thermal decomposition, and precursor for textured thin film, Chemistry of Materials, 26, 4494 – 4504 (2014).

Z. DAI, T.T. TRAN, J. SKIBSTED, Aluminum incorporation in the C-S-H phase of white Portland cement – metakaolin blends studied by 27Al and 29Si MAS NMR spectroscopy, Journal of the American Ceramic Society 97, 2662 – 2671 (2014).

K. ENEMARK-RASMUSSEN, T.T. TRAN, J. SKIBSTED, Fluoride ions as structural probe-ions in 19F MAS NMR studies of cement materials and thermally activated SCMs, Advances in Cement Research 26, 233 – 246 (2014).

L.H. JEPSEN, V. BAN, K.T. MØLLER, Y.-S. LEE, Y.W. CHO, F. BESENBACHER, Y. FILINCHUK, J. SKIBSTED, T.R. JENSEN, Synthesis, crystal structure, thermal decomposition, and 11B MAS NMR characterization of Mg(BH4)2(NH3BH3)2, Journal of Physical Chemistry C 118, 12141 – 12153 (2014).

N. GARG, J. SKIBSTED, Thermal activation of a pure montmorillonite clay and its reactivity in cementitious systems, Journal of Physical Chemistry C 118, 11464 – 11477 (2014).

B.R.S. HANSEN, D.B. RAVNSBÆK, J. SKIBSTED, T.R. JENSEN, Hydrogen reversibility of LiBH4MgH2Al composites, Physical Chemistry Chemical Physics 16, 8970 – 8980 (2014).

S.K. JENSEN, J. SKIBSTED, H.J. JAKOBSEN, I.L. ten KATE, H.P. GUNNLAUGSSON, J.P. MERRISON, K. FINSTER, E. BAK, J.J. IVERSEN, J.C. KONDRUP, P. NØRNBERG, A sink for methane on Mars? The answer is blowing in the wind, Icarus 236, 24 – 27 (2014).

R. GOSALAWIT-UTKE, C. MILANESE, P. JAVADIAN, A. GIRELLA, D. LAIPPLE, J. PUSZKIEL, A.S. CATTANEO, C. FERRARA, J. WITTAYAKHUN, J. SKIBSTED, T.R. JENSEN, A. MARINI, T. KLASSEN, M. DORNHEIM, 2LiBH4–MgH2–0.13TiCl4 confined in nanoporous structure of carbon aerogel scaffold for reversible hydrogen storage, Journal of Alloys and Compounds 599, 78 – 86 (2014). 

L.H. JEPSEN, D.B. RAVNSBÆK, C. GRUNDLACH, F. BESENBACHER, J. SKIBSTED, T.R. JENSEN, A novel intermediate in the LiAlH4 – LiNH2 hydrogen storage system, Dalton Transactions 43, 3095 – 3103 (2014).

T.K. NIELSEN, P. JAVADIAN, M. POLANSKI, F. BESENBACHER, J. BYSTRZYCKI, J. SKIBSTED, T.R. JENSEN, Nanoconfined NaAlH4: prolific effects from increased surface area and pore volume, Nanoscale 6, 599 – 607 (2014).

M. K. SØRENSEN, O. BAKHAREV, O. JENSEN, H.J. JAKOBSEN, J. SKIBSTED, N.C. NIELSEN, Magic-angle pinning solid-state multinuclear NMR on low-field instrumentation, Journal of Magnetic Resonance 238, 20 – 25 (2014).

2013

L. H. JEPSEN, J. SKIBSTED, T.R. JENSEN, Investigations of the thermal decomposition of MBH4 – 2NH3BH3, M = Na, K, Journal of Alloys and Compounds 580, S287 – S291 (2013).

L.H. RUDE, U. FILSØ, V. D’ANNA, A. SPYRATOU, B. RICHTER, S. HINO, O. ZAVORO-TYNSKA, M. BARICCO, M.H. SØRBY, B.C. HAUBACH, H. HAGEMANN, F. BESENBACHER, J. SKIBSTED, T.R. JENSEN, Hydrogen – fluorine exchange in NaBH4 – NaBF4, Physical Chemistry Chemical Physics 15, 18185 – 18194 (2013).

I. SALDAN, M. SCHULZE, C. PISTIDDA, R. GOSALAWIT-UTKE, O. ZAVOROTYNSKA, L.H. RUDE, J. SKIBSTED, D. HAASE, Y. CERENIUS, T.R. JENSEN, G. SPOTO, M. BARICCO, K. TAUBE, M. DORNHEIM,  Hydrogen sorption in the LiH-LiF-MgB2 system, Journal of Physical Chemistry C 117, 17360 – 17366 (2013).

B. STÖGER, M. WEIL, J. SKIBSTED, The crystal structure of BaPO3F revisited – a combined X-ray diffraction and solid-state 19F, 31P MAS NMR study, Dalton Transactions 42, 11672 – 11582 (2013).

T.F. SEVELSTED, D. HERFORT, J. SKIBSTED, 13C chemical shift anisotropies for carbonate ions in cement minerals and the use of 13C, 27Al and 29Si MAS NMR in studies of Portland cement including limestone additions. Cement and Concrete Research 52, 100 – 111 (2013).

B.R.S. HANSEN, D.B. RAVNSBÆK, D. REED, D. BOOK, C. GUNDLACH, J. SKIBSTED, T.R. JENSEN, Hydrogen storage capacity loss in a LiBH4 – Al composite, Journal of Physical Chemistry C 117, 7423 – 7432 (2013).

J. SKIBSTED, T.F. SEVELSTED, S.L. POULSEN, T.T. TRAN, Studies of guest-ion incorporation in Portland cement. Part 1. Zement Kalk Gips 66 (4), 66 -73 (2013). Part 2. Zement Kalk Gips 66 (6), 46 -52 (2013).

C. RUIZ-SANTAQUITERIA, A. FERNÁNDEZ-JIMÉNEZ, J. SKIBSTED, A. PALOMO, Clay reactivity: Production of alkali activated cements, Applied Clay Science 73, 11 – 16 (2013).

J. SKIBSTED, M.D. ANDERSEN, The effect of alkali ions on the incorporation of aluminum in the calcium silicate hydrate (C-S-H) phase resulting from Portland cement hydration studied by 29Si MAS NMR, Journal of the American Ceramic Society 96, 651 – 656 (2013).

2012

C. RUIZ-SANTAQUITERIA, J. SKIBSTED, A. FERNÁNDEZ-JIMÉNEZ, A. PALOMO, Alkaline solu-tion/binder ratio as determining factor in the alkaline activation of aluminosilicates, Cement and Concrete Research 42, 1242 – 1251 (2012).

T.T. TRAN, H.BILDSØE, H.J. JAKOBSEN, J. SKIBSTED, Double cross-polarization MAS NMR in the assignment of abundant-spin resonances: 19F{29Si}19F FBCP/MAS NMR of fluoride ions incorporated in calcium silicate hydrate (C-S-H) phases, Journal of Magnetic Resonance 221, 19 – 23 (2012).

K. BARBERA, S. SØRENSEN, S. BORDIGA, J. SKIBSTED, H. FORDSMAND, P. BEATO, T.V.W. JANSSENS, Role of internal coke for deactivation of ZSM-5 catalysts after low temperature removal of coke with NO2, Catalysis Science and Technology 2, 1196 – 1206 (2012).

M.B. LEY, D.B. RAVNSBÆK, Y. FILINCHUK, Y.-S. LEE, R. JANOT, Y.W. CHO, J. SKIBSTED, T.R. JENSEN, LiCe(BH4)3Cl, a new lithium ion conductor and hydrogen storage material with isolated tetranuclear anionic clusters, Chemistry of Materials 24, 1654 – 1663 (2012).

R. GOSALAWIT-UTKE, T. K. NIELSEN, K. PRANZAS, I. SALDAN, C. PISTIDDA, F. KARIMI, D. LAIPPLE, J. SKIBSTED, T.R. JENSEN, T. KLASSEN, M. DORNHEIM, 2LiBH4–MgH2 in a Resorcinol-Furfural Carbon Aerogel Scaffold for Reversible Hydrogen Storage, Journal of Physical Chemistry C, 116, 1526 – 1534 (2012).

M. MOESGAARD, S.L. POULSEN, D. HERFORT, M. STEENBERG, L.F. KIRKEGAARD, J. SKIBSTED, Y. YUE, Hydration of Blended Portland Cements Containing Calcium-Aluminosilicate Glass Powder and Limestone, Journal of the American Ceramic Society 95, 403 – 409 (2012).

2011

D.B. RAVNSBÆK, C. FROMMEN, D. REED, Y. FILINCHUK, M. SØRBY, B. C. HAUBACK, H.J. JAKOBSEN, D. BOOK, F. BESENBACHER, J. SKIBSTED, T.R. JENSEN, Structural studies of lithium zink borohydride by neutron powder diffraction, Raman and NMR spectroscopy,  Journal of Alloys and Compounds 509S, S698 – S704 (2011).

H. J. JAKOBSEN, H. BILDSØE, J. SKIBSTED, M. BRORSON, I. HUNG, Z. GAN, Synthesis of 17O-labelled Cs2WO4 and its ambient- and low-temperature solid-state 17O MAS NMR spectra, Inorganic Chemistry 50, 7676 – 7684 (2011).

T.K. NIELSEN, M. POLANSKI, D. ZASADA, P. JAVADIAN, F. BESENBACHER, J. BYSTRYCKI, J. SKIBSTED, T.R. JENSEN, Improved hydrogen storage kinetics of nanoconfined NaAlH4  Catalyzed with TiCl3 Nanoparticles, ACS Nano 5, 4056 – 4064 (2011). 

2010

R. CERNÝ, D. B. RAVNSBÆK, S. GODWIN, Y. FILINCHUK, H. HAGEMANN, D. HAASE, J. SKIBSTED, C. JENSEN, T.R. JENSEN, Structure and characterization of KSc(BH4)4, Journal of Physical Chemistry C 114, 19540-19549 (2010).

M. MOESGAARD, D. HERFORT, J. SKIBSTED, Y. YUE, Calcium aluminosilicate glasses as supplementary cementitious materials, Glass Technology: European Journal of Glass Science and Technology A 51, 183 - 190 (2010).

I. G. RICHARDSON, J. SKIBSTED, L. BLACK, R. J. KIRKPATRICK, Characterization of cement hydrate phases by TEM, NMR, and Raman spectroscopy, Advances in Cement Research 22, 233 – 248 (2010).

M. MOESGAARD, R. KEDING, J. SKIBSTED, Y. YUE, Evidence for intermediate-range order heterogeneity in calcium aluminosilicate glasses, Chemistry of Materials 22, 4471 – 4483 (2010).

U. G. NIELSEN, A. HAZELL, J. SKIBSTED, H. J. JAKOBSEN, C. J. McKENZIE, Solid-state 51V MAS NMR spectroscopy determines component concentration and crystal phase in co-crystallised mixtures of vanadium complexes, CrystEngComm 12, 2826 – 2834 (2010).

S. L. POULSEN, H. J. JAKOBSEN, J. SKIBSTED, Incorporation of phosphorus guest ions in the calcium silicate phases of Portland cement from 31P MAS NMR spectroscopy, Inorganic Chemistry 49, 5522 – 5529 (2010).

F. BELLMANN, D. DAMINDOT, B. MÖSER, J. SKIBSTED, Improved evidence for the existence of an intermediate phase during hydration of tricalcium silicate. Cement and Concrete Research 40, 875 – 884 (2010).

D. B. RAVNSBÆK, Y. FILINCHUK, R. CERNÝ, M. B. LEY, D. HAASE, H. J. JAKOBSEN, J. SKIBSTED, and T. R. JENSEN, Thermal polymorphism and decomposition of Y(BH4)3. Inorganic Chemistry 49, 3801 – 3809 (2010). 

D. B. RAVNSBÆK, L. H. SØRENSEN, Y. FILINCHUK, D. REED, D. BOOK, H. J. JAKOBSEN, F. BESENBACHER, J. SKIBSTED, and T. R. JENSEN, Mixed-anion and mixed-cation borohydride KZn(BH4)Cl2: Synthesis, structure, and thermal decomposition. European Journal of Inorganic Chemistry 1608 – 1612 (2010).

H. J. JAKOBSEN, H. BILDSØE, J. SKIBSTED, M. BRORSON, and KJELD SCHAUMBURG, Natural abundance solid-state 95Mo MAS NMR of MoS2 reveals precise 95Mo anisotropic parameters from its central and satellite transitions. Chemical Communications 46, 2103 – 2105 (2010).

H.J. JAKOBSEN, H. BILDSØE, J. SKIBSTED, M. BRORSON, P. GOR´KOV, Z. GAN, A strategy for acquisition and analysis of complex natural abundance 33S solid-state NMR spectra of a disordered tetrathio transition-metal anion. Journal of Magnetic Resonance 202, 173 – 179 (2010).

2009

D. RAVNSBÆK, Y. FILINCHUK, Y. CERENIUS, H.J. JAKOBSEN, F. BESENBACHER, J. SKIBSTED, T.R. JENSEN, A series of mixed-metal borohydrides. Angewandte Chemie International Edition, 48, 6659 – 6663 (2009).

S.L. POULSEN, V. KOCABA, G. Le SAOÛT, H.J. JAKOBSEN, K.L. SCRIVENER, and J. SKIBSTED, Improved quantification of alite and belite in anhydrous Portland cements by 29Si MAS NMR: Effects of paramagnetic ions. Solid State Nuclear Magnetic Resonance 36, 32 – 44 (2009).

H.J. JAKOBSEN, H. BILDSØE, J. SKIBSTED, M. BRORSON, B.R. SRINIVASAN, C. NÄTHER, W. BENCH, New opportunities in acquisition and analysis of natural abundance complex solid-state 33S MAS NMR spectra: (CH3NH3)2S4. Physical Chemistry Chemical Physics 11, 6981 – 6986 (2009).

T. T.TRAN, D. HERFORT, H.J. JAKOBSEN, J. SKIBSTED, Location of fluoride guest ions in the calcium silicate phases of Portland cement by 29Si{19F} CP-REDOR NMR spectroscopy. Journal of American Chemical Society, 131, 14171 – 14171 (2009).

H.J. JAKOBSEN, H. BILDSØE, J. SKIBSTED, M.R. HANSEN, M. BRORSON, B.R. SRINI-VASAN, W. BENCH, Site preferences of NH4+ in its solid solutions with Cs2WS4 and Rb2WS4 from multinuclear solid-state MAS NMR. Inorganic Chemistry 48, 1787 – 1789 (2009).

M.R. HANSEN, H.J. JAKOBSEN, J. SKIBSTED, Structure and dynamics of hydrous surface species on alumina-boria catalysts and their precursors from 1H, 2H, 11B and 27Al MAS NMR spectroscopy. Journal of Physical Chemistry C 113, 2475 – 2486 (2009).  

2008

K. T. LETH, A. K. ROVIK, M.S. HOLM, M. BRORSON, H.J. JAKOBSEN, J. SKIBSTED, C.H. CHRISTENSEN, Synthesis and characterization of conventional and mesoporous Ga-MFI for ethane dehydrogenation. Applied Catalysis A: General 348, 257 – 265 (2008).

H. LINDGREEN, M.R. GEIKER, N. SPRINGER, H. KRØYER, J. SKIBSTED, Micro-structure engineering of Portland cement pastes and mortars through addition of ultrafine layer silicates. Cement and Concrete Composites 30, 686 – 6 99 (2008).

M.R. HANSEN, H.J. JAKOBSEN, J. SKIBSTED, Structural environments for boron and aluminium in alumina-boria catalysts and their precursors from 11B and 27Al single- and double-resonance MAS NMR experiments. Journal of Physical Chemistry C 112, 7210 – 7222 (2008).  

A.N. CHRISTENSEN, T.R. JENSEN, B. LEBECH, J.C. HANSON, H.J. JAKOBSEN, J. SKIBSTED, Thermal decomposition of monocalcium aluminate decahydrate (CaAl2O4-·10H2O) investigated by in-situ synchrotron X-ray powder diffraction, thermal analysis and 27Al, 2H MAS NMR spectroscopy. Dalton Transactions 455 – 462 (2008).

M.R. HANSEN, M. BRORSON, H. BILDSØE, J. SKIBSTED, H.J. JAKOBSEN, Sensitivity enhancement in natural-abundance solid-state 33S MAS NMR spectroscopy employing adiabatic inversion pulses to the satellite transitions. Journal of Magnetic Resonance 190, 316 – 326 (2008).  

J. SKIBSTED, C. HALL, Characterization of Cement Minerals, Cements and their Reaction Products at the Atomic and Nano Scale. Cement and Concrete Research 38, 205 – 225 (2008).