Molecular rotors in hierarchically ordered mesoporous organosilica frameworks

Silvia Bracco; Angiolina Comotti; Patrizia Valsesia; Bradley F Chmelka; Piero Sozzani

doi:10.1039/b809559k

Molecular rotors in hierarchically ordered mesoporous organosilica frameworks

Chem Commun (Camb). 2008 Oct 21:(39):4798-800. doi: 10.1039/b809559k. Epub 2008 Aug 22.

Authors

Silvia Bracco¹, Angiolina Comotti, Patrizia Valsesia, Bradley F Chmelka, Piero Sozzani

Affiliation

¹ Department of Materials Science, University of Milano Bicocca and INSTM, Via R. Cozzi 53, 20125, Milano, Italy.

PMID: 18830497
DOI: 10.1039/b809559k

Abstract

Diphenylene moieties, molecularly ordered in the framework of periodic mesoporous organosilicas, behave as molecular rotors and show a mobility with correlation times as short as a few nanoseconds.

MeSH terms

Biphenyl Compounds / chemistry*
Crystallography, X-Ray
Magnetic Resonance Spectroscopy / methods
Magnetic Resonance Spectroscopy / standards
Models, Molecular
Motion
Organosilicon Compounds / chemistry*
Porosity
Reference Standards
Sensitivity and Specificity
Temperature

Substances

Biphenyl Compounds
Organosilicon Compounds