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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

Synthesis and spectroscopic characterization of vanadosilicate mesoporous MCM-41 molecular sieves
ZH Luan, J Xu, HY He, J Klinowski, L Kevan
– The Journal of Physical Chemistry
(1996)
100,
19595
(doi: 10.1021/jp962353j)
Directing the pore dimensions in the mesoporous molecular sieve MCM-41
CF Cheng, WZ Zhou, J Klinowski
– Chemical Physics Letters
(1996)
263,
247
(doi: 10.1016/S0009-2614(96)01159-1)
ESCA, solid-state NMR, and X-ray diffraction studies of perisubstituted naphthalene derivatives
K Wozniak, HY He, J Klinowski, TL Barr, SE Hardcastle
– Journal of Physical Chemistry
(1996)
100,
11408
(doi: 10.1021/jp961029l)
ESCA and Solid-State NMR Studies of Ionic Complexes of 1,8-Bis(dimethylamino)naphthalene
K Wozniak, HY He, J Klinowski, TL Barr, P Milart
– The Journal of Physical Chemistry
(1996)
100,
11420
(doi: 10.1021/jp9537320)
Alumination of the purely siliceous mesoporous molecular sieve MCM-41 and its hydrothermal conversion into zeolite Na-A
H Hamdan, S Endud, HY He, MNM Muhid, J Klinowski
– Physical Chemistry Chemical Physics
(1996)
92,
2311
(doi: 10.1039/ft9969202311)
Solid-state NMR studies of the aluminophosphate molecular sieve VPI-5
HY He, J Klinowski
– Catalysis Today
(1996)
30,
119
(doi: 10.1016/0920-5861(95)00324-X)
Solid-state NMR studies of the borosilicate mesoporous molecular sieve MCM-41
SX Liu, HY He, ZH Luan, J Klinowski
– Journal of the Chemical Society, Faraday Transactions
(1996)
92,
2011
(doi: 10.1039/ft9969202011)
13C → 1H Cross-Polarization NMR in Solids at Natural 13C Abundance
W Kolodziejski, A Corma, K Wozniak, J Klinowski
– The Journal of Physical Chemistry
(1996)
100,
7345
(doi: 10.1021/jp953750h)
X-ray photoelectron spectroscopy investigations of the interaction of cells with pathogenic asbestoses
S Seal, S Krezoski, D Petering, TL Barr, J Klinowski, P Evans
– Journal of Vacuum Science & Technology A Vacuum Surfaces and Films
(1996)
14,
1770
(doi: 10.1116/1.580335)
Pore structure analysis of the mesoporous titanosilicate molecular sieve MCM-41 by H-1 NMR and N-2 sorption
MD Alba, AI Becerro, J Klinowski
– Journal of the Chemical Society, Faraday Transactions
(1996)
92,
849
(doi: 10.1039/ft9969200849)
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Research Group

Email address

jk18@cam.ac.uk

College

Peterhouse

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    About the University

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