Publications

1996-2006


1.      Freyhardt, C. C.; Lobo, R. F.; Khodabandeh, S.; Lewis, J. E.; Tsapatsis, M.; Yoshikawa, M.; Camblor, M. A.; Pan, M.; Helmkamp, M. M.; Zones, S. I.; Davis, M. E. “VPI-8: A high-silica molecular sieve with a novel ”pinwheel” building unit and its implications for the synthesis of extra-large pore molecular sieves.” J. Am. Chem. Soc. 1996118, 7299.

2.      Freyhardt, C. C.; Tsapatsis, M.; Lobo, R. F.; Balkus, K. J.; Davis, M. E. “A high-silica zeolite with a 14-tetrahedral-atom pore opening.” Nature 1996381, 295.

3.      Lobo, R. F.; Zones, S. I.; Medrud, R. C. “Synthesis and Rietveld refinement of the small-pore zeolite SSZ-16.” Chem. Mater.19968, 2409.

4.      Lobo, R. F.; Tsapatsis, M.; Freyhardt, C. C.; Chan, I.; Chen, C. Y.; Zones, S. I.; Davis, M. E. “A model for the structure of the large-pore zeolite SSZ-31.” J. Am. Chem. Soc. 1997119, 3732.

5.      Lobo, R. F.; Tsapatsis, M.; Freyhardt, C. C.; Khodabandeh, S.; Wagner, P.; Chen, C. Y.; Balkus, K. J.; Zones, S. I.; Davis, M. E. “Characterization of the extra-large-pore zeolite UTD-1.” J. Am. Chem. Soc. 1997119, 8474.

6.      Velev, O. D.; Jede, T. A.; Lobo, R. F.; Lenhoff, A. M. “Porous silica via colloidal crystallization.” Nature 1997389, 447.

7.      Feuerstein, M.; Lobo, R. F. ”Influence of oxygen and nitrogen on Li-7 MAS NMR spectra of zeolite LiX-1.0.” Chem. Commun. 1998, 1647.

8.      Feuerstein, M.; Lobo, R. F. ”Characterization of Li cations in zeolite LiX by solid-state NMR spectroscopy and neutron diffraction.” Chem. Mater. 199810, 2197.

9.      Shantz, D. F.; Lobo, R. F. ”Spatial ordering of organic and inorganic charge centers in as- made high-silica zeolites determined by multidimensional {1H}-> H-2 CPMAS NMR correlation spectroscopy.” Chem. Mater. 199810, 4015.

10.  Shantz, D. F.; Lobo, R. F. ”Spatial correlation of charge centers in the tectosilicate nonasil determined by multidimensional {H-1}-> H-2 CPMAS NMR correlation spectroscopy.” J. Am. Chem. Soc. 1998120, 2482.

11.  Shantz, D. F.; Lobo, R. F. ”Solid-state deuterium NMR studies of organic molecules in the tectosilicate nonasil.” J. Phys. Chem. B 1998102, 2339.

12.  Velev, O. D.; Jede, T. A.; Lobo, R. F.; Lenhoff, A. M. “Microstructured porous silica obtained via colloidal crystal templates.”Chem. Mater. 199810, 3597.

13.  Burton, A.; Feuerstein, M.; Lobo, R. F.; Chan, J. C. C. “Characterization of cancrinite synthesized in 1,3-butanediol by Rietveld analysis of powder neutron diffraction data and solid- state Na-23 NMR spectroscopy.” Micropor. Mesopor. Mater.199930, 293.

14.  Burton, A.; Lobo, R. F. ”The role of barium cations in the synthesis of low-silica LTL zeolites.” Micropor. Mesopor. Mater.199933, 97.

15.  Feuerstein, M.; Lobo, R. F. ”Mobility of Li cations in X zeolites studied by solid-state NMR spectroscopy.” Solid State Ion.1999118, 135.

16.  Juttu, G. G.; Lobo, R. F. ”Framework modification of microporous silicates via gas-phase treatment with ZrCl4.” Cat. Lett.199962, 99.

17.  Shantz, D. F.; Burton, A.; Lobo, R. F. ”Synthesis, structure solution, and characterization of the aluminosilicate MCM-61: the first aluminosilicate clathrate with 18-membered rings.” Micropor. Mesopor. Mater. 199931, 61.

18.  Shantz, D. F.; Fild, C.; Koller, H.; Lobo, R. F. ”Guest-host interactions in As-made Al-ZSM-12: Implications for the synthesis of zeolite catalysts.” J. Phys. Chem. B 1999103, 10858.

19.  Shantz, D. F.; Lobo, R. F. ”H-2-{H-1} CPMAS NMR of guest-host species in zeolites: An experimental study.” J. Phys. Chem. B 1999103, 5920.

20.  Shantz, D. F.; Lobo, R. F. ”Guest-host interactions in zeolites as studied by NMR spectroscopy: implications in synthesis, catalysis and separations.” Top. Catal. 19999, 1.

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21.  Accardi, R. J.; Lobo, R. F. ”Accessibility of lithium cations in high-silica zeolites investigated using the NMR paramagnetic shift effect of adsorbed oxygen.” Micropor. Mesopor. Mater. 200040, 25.

22.  Braunbarth, C.; Hillhouse, H. W.; Tsapatsis, M.; Burton, A.; Lobo, R. F.; Jacubinas, R. M.; Kuznicki, S. M. “Structure of strontium ion-exchanged ETS-4 microporous molecular sieves.” Chem. Mater. 200012, 1857.

23.  Bulanin, K. M.; Lobo, R. F.; Bulanin, M. O. “Low-temperature adsorption of N-2, O-2, and D-2 on LiX, NaX, and NaLiX zeolites studied by FT-IR spectroscopy.” J. Phys. Chem. B 2000104, 1269.

24.  Burton, A.; Accardi, R. J.; Lobo, R. F.; Falcioni, M.; Deem, M. W. “MCM-47: A highly crystalline silicate composed of hydrogen- bonded ferrierite layers.” Chem. Mater. 2000, 12, 2936.

25.  Fild, C.; Shantz, D. F.; Lobo, R. F.; Koller, H. “Cation-induced transformation of boron-coordination in zeolites.” Phys. Chem. Chem. Phys. 20002, 3091.

26.  Juttu, G. G.; Lobo, R. F. ”Characterization and catalytic properties of MCM-56 and MCM-22 zeolites.” Micropor. Mesopor. Mater. 200040, 9.

27.  Shantz, D. F.; auf der Gunne, J. S.; Koller, H.; Lobo, R. F. ”Multiple-quantum H-1 MAS NMR studies of defect sites in as-made all-silica ZSM-12 zeolite.” J. Am. Chem. Soc. 2000122, 6659.

28.  Feuerstein, M.; Accardi, R.J.; Lobo, R. F. “Adsorption of Nitrogen and Oxygen in the Zeolites LiA and LiX Investigated by 6Li and 7Li MAS NMR Spectroscopy”, J. Phys. Chem. B 2000104, 10282.

29.  Accardi, R. J.; Lobo, R. F.; Kalwei, M. “Paramagnetic effect of oxygen in the Na-23 MAS NMR and Na-23 MQMAS NMR spectroscopy of zeolite LiNaX.” J. Phys. Chem. B 2001105, 5883.

30.  Boshoff, J. H. D.; Lobo, R. F.; Wagner, N. J. “Influence of polymer motion, topology and simulation size on penetrant diffusion in amorphous, glassy polymers: Diffusion of helium in polypropylene.” Macromolecules 200134, 6107.

31.  Shantz, D. F.; Lobo, R. F. ”Two new silicate hydrates (C20H30N2)(8) •[Si8O20](2) •110H(2)O and (C20H30N2)(4) • [Si8O20] • 42H(2)O, and their implications for the role of non- covalent interactions in high-silica zeolite synthesis.” Micropor. Mesopor. Mater. 200143, 127.

32.  Lobo, R. F.; Koninngsveld, H. v. “A New Description of the Disorder in Zeolite ZSM-48.” J. Am. Chem. Soc. 2002124, 13222.

33.  Sawant, K. R.; Lobo, R. F. “Imprinting the Surface of Mesoporous Materials Using Organic Structure-Directing Agents”; International Symposium on Nanoporous Materials, 2002, Ottawa, p 53.

34.  Wang, Z.; Lambros, J.; Lobo, R. F. ”Micromechanical compressive response of a zeolite single crystal.” J. Mater. Sci. 2002,37, 2491.

35.  Navarro, U.; Trujillo, C.A.; Oviedo, A.; Lobo, R. F.; “Impact of the deactivation conditions on the acidity of Y zeolites used for the formulation of FCCcatalysts, studies by FTIR of adsorbed CO”, J. Catal., 2002211, 64.

36.  Kragten, D. D.; Fedeyko, J. M.; Sawant, K. R.; Rimer, J. D.; Vlachos, D. G.; Lobo, R. F.; Tsapatsis, M. “Structure of the silica phase extracted from silica/(TPA)OH solutions containing nanoparticles.” J. Phys. Chem. B. 2003107, 10006.

37.  Rudakova, A. V.; Lobo, R. F.; Bulanin, K. M. “FT-IR study of carbon monoxide adsorption on Li-exchanged zeolite X.” J. Phys. Chem. B. 2003107, 5212.

38.  van Koningsveld, H.; Lobo, R. F. ”Disorder in zeolite SSZ-31 described on the basis of one-dimensional building units.” J. Phys. Chem. B 2003107, 10983.

39.  Varkey, S. P.; Lobo, R. F.; Theopold, K. H. “Zeolite MCM-22 supported heterogeneous chromium catalyst for ethylene polymerization.” Cat. Letters 200388, 227.

40.  Wang, Z. M.; Lobo, R. F.; Lambros, J. “The mechanical properties of siliceous ZSM-5 (MFI) crystals.” Micropor. Mesopor. Mater. 200357, 1.

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41.  Fedeyko, J.; Sawant, K.; Kragten, D.; Vlachos, D.; Lobo, R. F. The structure of subcolloidal zeolite precursor nanoparticles. In Recent Advances In The Science And Technology Of Zeolites And Related Materials, Pts A – C, 2004; Vol. 154; pp 1267.

42.  Fedeyko, J. M.; Rimer, J. D.; Vlachos, D. G.; Lobo, R. F. ”Spontaneous Formation of Silica Nanoparticles in Basic Solutions of Small Tetraalkylammonium Cations.” J. Phys. Chem. B. 2004108, 12271.

43.  Heijboer, W. M.; Glatzel, P.; Sawant, K. R.; Lobo, R. F.; Bergmann, U.; Barrea, R. A.; Konings berger, D. C.; Weckhuysen, B. M.; de Groot, F. M. F. “K-beta Detected XANES of Framework-Substituted Fe-ZSM-5 Zeolites.” J. Phys. Chem. B 2004108, 10002.

44.  Martinez-Inesta, M. M.; Peral, I.; Proffen, T.; Lobo, R. F. A pair distribution function analysis for zeolite beta. In Recent Advances In The Science And Technology Of Zeolites And Related Materials, Pts A – C, 2004; Vol. 154; pp 1393.

45.  Rimer, J.D.; Kragten, D.D.; Tsapatsis, M.; Lobo, R. F.; Vlachos, D.G.; Growth Mechanisms of silicalite-1. In Recent Advances In The Science And Technology Of Zeolites And Related Materials, Pts A – C, 2004; Vol. 154; pp 317.

46.  Martinez-Iñesta, M. M.; Peral, I.; Proffen, T.; Lobo, R. F. ”A Pair Distribution Function Analysis of Zeolite Beta.” Micropor. Mesopor. Mater. 200477, 55.

47.  Peral, I.; Jones, C. Y.; Varkey, S. P.; Lobo, R. F. ”Structural comparison of two EUO-type zeolites investigated bv neutron diffraction.” Micropor. Mesopor. Mater. 200471, 125.

48.  Smith, M. A.; Foley, H. C.; Lobo, R. F. ”A simple model describes the PDF of a non-graphitizing carbon.” Carbon 200442, 2041.

49.  van Koningsveld, H.; Lobo, R. F.; Martinez-Inesta, M. M. A reinvestigation of the disorder in zeolite UTD-1. In Recent Advances In The Science And Technology Of Zeolites And Related Materials, Pts A – C, 2004; Vol. 154; pp 1180.

50.  Fedeyko, J. M.; Vlachos, D. G.; Lobo, R. F. ”Formation and structure of self-assembled silica nanoparticles in basic solutions of organic and inorganic cations.” Langmuir 200521, 5197.

51.  Kumar, A.; Lobo, R. F.; Wagner, N. J. “Porous Amorphous Carbon Models from Periodic Gaussian Chains of Amorphous Polymers.” Carbon 2005, 43 3099-3111.

52.  Martinez-Inesta, M. M.; Lobo, R. F. ”Investigation of the negative thermal expansion mechanism of zeolite chabazite using the pair distribution function method.” J. Phys. Chem. B 2005109, 9389.

53.  Rimer, J. D.; Fedeyko, J. M.; Vlachos, D. G.; Lobo, R. F. ”Silica Self-Assembly and the Synthesis of Microporous and Mesoporous Silicates.” Chem. Eur. J. 200612 2926-2934.

54.  Rimer, J. D.; Vlachos, D.; Lobo, R. F. ”Evolution of Self-Assembled Silica-Tetrapropylammonium Nanoparticles at High Temperatures.” J. Phys. Chem. B. 2005109, 12762.

55.  Rimer, J. D.; Vlachos, D. G.; Lobo, R. F. ”Physical Basis for the Formation and Stability of Silica Nanoparticles in Basic Solutions of Monovalent Cations.” Langmuir 2005, 21 8960-8971.

56.  Smith, M. A.; Lobo, R. F. ”The Local and Surface Structure of Ordered Mesoporous Carbons from Nitrogen Sorption, NEXAFS and Synchrotron Radiation Studies.” Micropor. Mesopor. Mater. 2006, 92, 81-93.

57.  Fedeyko, J.M.; Vlachos, D.G.; Lobo, R.F.; “On the Connection between Zeolite Precursor Nanoparticles and M41S-type Ordered Mesoporous Silicas”, Micropor. Mesopor. Mater.200690 102-111.

58.  Zimmerman, A.M.; Doren D. J.; Lobo, R.F.; “Electronic and geometric properties of ETS-10: QM/MM studies of cluster models”, J. Phys. Chem. B., 2006 110 8959-8964.

59.  Lobo, R.F.; Palmqvist A.E.C.; “Mechanistic insights into templated materials synthesis”, Curr. Op. Coll. Interf. Sc. 2005  10185-187. (Editorial)

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