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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

Sealed capsules for convenient acquisition of variable-temperature controlled-atmosphere magic-angle-spinning NMR spectra of solids
TA CARPENTER, J KLINOWSKI, DTB TENNAKOON, CJ SMITH, DC EDWARDS
– Journal of Magnetic Resonance (1969)
(1986)
68,
561
(doi: 10.1016/0022-2364(86)90347-1)
Zeolites treated with silicon tetrachloride vapour. IV. Acidity
MW ANDERSON, J KLINOWSKI
– Zeolites
(1986)
6,
455
(doi: 10.1016/0144-2449(86)90030-8)
Towards a grammar of inorganic structure
AL MACKAY, J KLINOWSKI
– Computers & Mathematics with Applications
(1986)
12,
803
(doi: 10.1016/0898-1221(86)90426-8)
Quantitative interpretation of exponentially broadened solid-state NMR signals
LF GLADDEN, TA CARPENTER, J KLINOWSKI, SR ELLIOTT
– Journal of Magnetic Resonance (1969)
(1986)
66,
93
(doi: 10.1016/0022-2364(86)90107-1)
High-resolution solid-state nuclear magnetic resonance studies of dealuminated zeolite Y
J KLINOWSKI, CA FYFE, GC GOBBI
– J CHEM SOC FARAD T 1
(1985)
81,
3003
(doi: 10.1039/f19858103003)
Silicon-29 magic-angle-spinning nuclear magnetic resonance study of the crystalline-amorphous transition of zeolite a containing trapped krypton
J KLINOWSKI, XS LIU, RD PENZHORN, P SCHUSTER, NJ CLAYDEN, CM DOBSON
– Journal of the Chemical Society Faraday Transactions 1 Physical Chemistry in Condensed Phases
(1985)
81,
1435
(doi: 10.1039/F19858101435)
NMR line shifts caused by the second-order quadrupolar interaction
D FREUDE, J HAASE, J KLINOWSKI, TA CARPENTER, G RONIKIER
– Chemical Physics Letters
(1985)
119,
365
(doi: 10.1016/0009-2614(85)80434-6)
MAS NMR as a probe for investigating the distribution of SiOSi angles in lithium silicate glasses
U SELVARAY, KJ RAO, CNR RAO, J KLINOWSKI, JM THOMAS
– Chemical Physics Letters
(1985)
114,
24
(doi: 10.1016/0009-2614(85)85047-8)
The Study of Aluminosilicate and Related Catalysts by High-Resolution Solid-State NMR Spectroscopy
JM THOMAS, J KLINOWSKI
– Advances in Catalysis
(1985)
33,
199
(doi: 10.1016/S0360-0564(08)60261-8)
Magic-angle-spinning NMR
J KLINOWSKI
– Solid State Ionics
(1985)
16,
3
(doi: 10.1016/0167-2738(85)90017-7)
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Research Group

Email address

jk18@cam.ac.uk

College

Peterhouse

    Study at Cambridge

    About the University

    Research at Cambridge