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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

Solid-state nuclear magnetic resonance studies of the transformation of the zeolite Y catalyst in the course of hydrochlorination of 1-methylcyclohexen
W KOLODZIEJSKI, L DELAUDE, P LASZLO, MT MONTAUFIER, J KLINOWSKI
– Applied Catalysis A: General
(1993)
98,
71
(doi: 10.1016/0926-860x(93)85026-l)
The oCLP family of triply periodic minimal surfaces
D CVIJOVIC, J KLINOWSKI
– The European Physical Journal B
(1993)
3,
909
(doi: 10.1051/jp1:1993172)
DEALUMINATION OF ZEOLITE Y BY H4EDTA (VOL 19, PG 159, 1993)
J DATKA, W KOLIDZIEJSKI, J KLINOWSKI, B SULIKOWSKY
– CATALYSIS LETTERS
(1993)
22,
393
(link to publication)
Nuclear magnetic resonance studies of the synthesis of silicalite by the ‘fluoride method’
SA AXON, J KLINOWSKI
– J. Chem. Soc., Faraday Trans.
(1993)
89,
4245
(doi: 10.1039/FT9938904245)
Transverse relaxation times of spin 3/2 nuclei in the quadrupole nutation NMR experiment.
S Bahçeli, J Klinowski
– Solid State Nucl Magn Reson
(1993)
2,
269
(doi: 10.1016/0926-2040(93)90008-B)
H-1 AND C-13 SOLID-STATE NMR-STUDIES OF CATALYTIC REACTIONS ON MOLECULAR-SIEVES
MW ANDERSON, J KLINOWSKI
– NUCLEAR MAGNETIC SHIELDINGS AND MOLECULAR STRUCTURE
(1993)
386,
473
(link to publication)
The T and CLP families of triply periodic minimal surfaces. Part 3. The properties and computation of CLP surfaces
D CVIJOVIC, J KLINOWSKI
– Journal de Physique I
(1992)
2,
2207
(doi: 10.1051/jp1:1992102)
The T and CLP families of triply periodic minimal surfaces. Part 2. The properties and computation of T surfaces
D CVIJOVIC, J KLINOWSKI
– The European Physical Journal B
(1992)
2,
2191
(doi: 10.1051/jp1:1992276)
NMR studies of the molecular sieve VPI-5 containing only "framework" water
HY HE, W KOLODZIEJSKI, J KLINOWSKI
– Chemical Physics Letters
(1992)
200,
83
(doi: 10.1016/0009-2614(92)87049-u)
Assignment of 13C NMR spectra of solids using fast MAS with cross-polarization
W KOLODZIEJSKI, J KLINOWSKI
– Journal of Magnetic Resonance (1969)
(1992)
99,
611
(doi: 10.1016/0022-2364(92)90217-U)
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Research Group

Email address

jk18@cam.ac.uk

College

Peterhouse

    Study at Cambridge

    About the University

    Research at Cambridge