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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

Exact computation of the triply periodic Schwarz P minimal surface
PJF Gandy, J Klinowski
– Chemical Physics Letters
(2000)
322,
579
(doi: 10.1016/s0009-2614(00)00453-x)
C-13 solid-state MAS NMR studies of the low temperature phase transition in fullerene C-60
HY He, JT Dias, J Foulkes, J Klinowski
– Physical Chemistry Chemical Physics
(2000)
2,
2651
(doi: 10.1039/a909442c)
Exact computation of the triply periodic G ('Gyroid') minimal surface
PJF Gandy, J Klinowski
– Chemical Physics Letters
(2000)
321,
363
(doi: 10.1016/S0009-2614(00)00373-0)
Studies of the Surface Properties of an MCM-41 Molecular Sieve Using Thermal Analysis and Nitrogen Adsorption Methods
P Staszczuk, T Danielkiewicz, J Klinowski
– Adsorption Science & Technology
(2000)
18,
307
(doi: 10.1260/0263617001493459)
Molecular dynamics in crystalline C60·2CHBr3
C Collins, M Duer, J Klinowski
– Chemical Physics Letters
(2000)
321,
287
(doi: 10.1016/s0009-2614(00)00332-8)
X-ray Diffraction and 13C Solid-State NMR Studies of the Dimethylformamide Solvate of Tetra(C-undecyl)calix[4]resorcinarene
M Pietraszkiewicz, O Pietraszkiewiez, W Kolodziejski, K Wozniak, N Feeder, F Benevelli, J Klinowski
– Journal of Physical Chemistry B
(2000)
104,
1921
(doi: 10.1021/jp991589v)
Crystal engineering using co-crystallisation of phenazine with dicarboxylic acids
E Batchelor, J Klinowski, W Jones
– Journal of Materials Chemistry
(2000)
10,
839
(doi: 10.1039/a908214j)
Exact computation of the triply periodic D ('diamond') minimal surface
PJF Gandy, D Cvijovic, AL Mackay, J Klinowski
– Chemical Physics Letters
(1999)
314,
543
(doi: 10.1016/S0009-2614(99)01000-3)
Crystalline C60•2CHBr3 solvate:: A solid-state study
C Collins, J Foulkes, AD Bond, J Klinowski
– Physical Chemistry Chemical Physics
(1999)
1,
5323
(doi: 10.1039/a907129f)
A unique structure of Cu2(OH)3•NO3 crystals in the 'silica garden' and their degradation under electron beam irradiation (vol 306, pg 145, 1999)
C Collins, WZ Zhou, J Klinowski
– CHEMICAL PHYSICS LETTERS
(1999)
312,
346
(link to publication)
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Research Group

Email address

jk18@cam.ac.uk

College

Peterhouse

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    About the University

    Research at Cambridge