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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

Structural studies of tabasheer, an opal of plant origin
J Klinowski, C-F Cheng, J Sanz, JM Rojo, AL Mackay
– Philosophical Magazine A
(1998)
77,
201
(doi: 10.1080/01418619808214238)
Hypothetical molecular sieve frameworks
J Klinowski
– Current Opinion in Solid State and Materials Science
(1998)
3,
79
(doi: 10.1016/s1359-0286(98)80069-7)
23Na NMR Studies of Na-DNA in the solid state
H He, J Klinowski, G Saba, M Casu, A Lai
– Solid State Nuclear Magnetic Resonance
(1998)
10,
169
(doi: 10.1016/s0926-2040(97)00059-3)
Transformation of lamellar silicate into the mesoporous molecular sieve MCM-41
Z Luan, H He, W Zhou, AJ Klinowski
– Journal of the Chemical Society, Faraday Transactions
(1998)
94,
979
(doi: 10.1039/a707828e)
Aluminosilicate Mesoporous Molecular Sieve MCM-48
AA Romero, MD Alba, J Klinowski
– Journal of Physical Chemistry B
(1998)
102,
123
(doi: 10.1021/jp971469s)
MAS NMR and XRD Study on the Vanadium Site of Vanadium Silicate Mesoporous Molecular Sieve MCM-41
DH Park, CF Cheng, J Klinowski
– Bulletin of the Korean Chemical Society
(1997)
18,
70
(link to publication)
ESCA studies of cuticular passivation in leaf senescence of the silver maple (Acer negundo)
TL Barr, S Seal, SE Hardcastle, MA Maclaurin, LM Chen, J Klinowski
– Bulletin of the Polish Academy of Sciences Chemistry
(1997)
45,
17
(link to publication)
Optimization of Synthetic Parameters for Mesoporous Molecular Sieve MCM-41 Using Surfactant CTACl
DH Park, CF Cheng, J Klinowski
– Bulletin of the Korean Chemical Society
(1997)
18,
379
(link to publication)
13C and 1H MAS NMR studies of graphite oxide and its chemically modified derivatives
A Lerf, H He, T Riedl, M Forster, J Klinowski
– Solid State Ionics
(1997)
101,
857
(doi: 10.1016/s0167-2738(97)00319-6)
Solid-state NMR and X-ray diffraction studies of the geometry and intramolecular dynamics of bis(organothiophosphoryl) dichalcogenides
MJ Potrzebowski, J Blaszczyk, MW Wieczorek, J Klinowski
– The Journal of Physical Chemistry A
(1997)
101,
8077
(doi: 10.1021/jp9639760)
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Email address

jk18@cam.ac.uk

College

Peterhouse

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    About the University

    Research at Cambridge