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Yusuf Hamied Department of Chemistry

 

Professor Jacek Klinowski

Our main interest is in the relationship between the structure and properties of solids. We study the geometric reasons for the chemical activity of solids and the relationship between local order and physical properties, using mathematical techniques and computer graphics. We use solid-state nuclear magnetic resonance spectroscopy (NMR) to examine molecular sieves, minerals, layered materials, fullerenes, ceramics and biological materials.

The G minimal surface divides space into two interpenetrating labyrinths (coloured red and green).

Specific projects:

  • Periodic minimal surfaces (surfaces with zero mean curvature), which appear in a variety of inorganic, organic and biological structures, and the associated mathematical problems.
  • Morphogenesis (the origin of shape and form).
  • Systematic enumeration of crystalline networks using mathematical tiling theory.
  • Graphite, graphite oxide and graphene.
  • Synthesis and characterization of microporous and mesoporous molecular sieves.
  • Synthesis and characterization of metal-organic frameworks (MOFs).

Selected Publications

Hypothetical zeolitic frameworks: In search of potential heterogeneous catalysts. J. Phys. Chem. 112, 1040 (2008)

Low-temperature thermal decomposition of large single crystals of ammonium perchlorate. Chem. Phys. Lett. 454, 233 (2008)

Simulating self-assembly of ZnS nanoparticles into mesoporous materials. J. Am. Chem. Soc. 128, 15283 (2006)

Cross-polarization in the solid state. A guide for chemists. Chem. Rev. 102, 613 (2002)

Synthesis and characterization of a new layered compound of trimesic acid. New Journal of Chemistry 26, 381 (2002)

Exact computation of the triply periodic G ('gyroid") minimal surface. Chem. Phys. Lett. 321, 363 (2000)

Systematic enumeration of crystalline networks. Nature 400, 644 (1999)

Structural studies of tabasheer, an opal of plant origin. Phil. Mag. A 77, 201 (1998)

Structure of graphite oxide revisited. J. Phys. Chem. B102, 4477 (1998)

Solid-state NMR studies of fullerene C60/benzene solvates. J. Phys. Chem. B101, 117 (1997)

New rapidly convergent series representations for z (2 n + 1). Proc. Am. Math. Soc. 125, 1263 (1997)

Directing the pore dimensions in the mesoporous molecular sieve MCM-41. Chem. Phys. Lett. 263, 247 (1996)

Taboo Search: an approach to the multiple-minima problem. Science, 267, 664 (1995)

Publications

INSITU SOLID-STATE NMR-STUDIES OF THE CATALYTIC CONVERSION OF METHANOL ON THE MOLECULAR-SIEVE SAPO-34
MW Anderson, B Sulikowski, PJ Barrie, J Klinowski
– Journal of Physical Chemistry
(2002)
94,
2730
(doi: 10.1021/j100370a002)
Structural studies of pillared saponite
L Li, X Liu, Y Ge, R Xu, J Rocha, J Klinowski
– Journal of Physical Chemistry
(2002)
97,
10389
(doi: 10.1021/j100142a021)
APPLICATIONS OF MAGIC-ANGLE-SPINNING SI-29 NUCLEAR MAGNETIC-RESONANCE - EVIDENCE FOR 2 DIFFERENT KINDS OF SILICON-ALUMINUM ORDERING IN ZEOLITIC STRUCTURES
J Klinowski, JM Thomas, CA Fyfe, JS Hartman
– Journal of Physical Chemistry
(2002)
85,
2590
(doi: 10.1021/j150618a003)
Detection of Fulleroid Sites in Fullerene-60 by High-Resolution Solid-State 1H NMR
W Kolodziejski, A Corma, J Barras, J Klinowski
– The Journal of Physical Chemistry
(2002)
99,
3365
(doi: 10.1021/j100010a055)
Role of gallium in the catalytic activity of zeolite [Si,Ga]-ZSM-5 for methanol conversion
E Lalik, X Liu, J Klinowski
– Journal of Physical Chemistry
(2002)
96,
805
(doi: 10.1021/j100181a051)
Synthesis and structural characterization of the aluminophosphate molecular sieve DPA-VPI-5
X Liu, H He, J Klinowski
– The Journal of Physical Chemistry
(2002)
95,
9924
(doi: 10.1021/j100177a058)
Attractive Inter- and Intramolecular N.cntdot..cntdot..cntdot.O Interactions in N,N-Dipicrylamine and Its Ionic Complexes
K Wozniak, H He, J Klinowski, W Jones, E Grech
– The Journal of Physical Chemistry
(2002)
98,
13755
(doi: 10.1021/j100102a049)
Variable-temperature 129Xe NMR studies of a pillared montmorillonite
PJ Barrie, GF McCann, I Gameson, T Rayment, J Klinowski
– The Journal of Physical Chemistry
(2002)
95,
9416
(doi: 10.1021/j100176a070)
Hydrogen bonding and the structure of substituted quinoxalines: solid-state NMR and single-crystal x-ray diffraction studies
K Wozniak, TM Krygowski, E Grech, W Kolodziejski, J Klinowski
– Journal of Physical Chemistry
(2002)
97,
1862
(doi: 10.1021/j100111a024)
Solid-State NMR Studies of the Molecular Motion in the Kaolinite: DMSO Intercalate
MJ Duer, J Rocha, J Klinowski
– Journal of the American Chemical Society
(2002)
114,
6867
(doi: 10.1021/ja00043a036)
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Email address

jk18@cam.ac.uk

College

Peterhouse

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    About the University

    Research at Cambridge