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Pure Appl. Chem., 2003, Vol. 75, No. 8, pp. 1061-1068

doi:10.1351/pac200375081061

Electron and excitation transfer in hetero-supramolecular assemblies and at molecule­nanoparticle interfaces*

Piotr Piotrowiak, Kurt Deshayes, Zinaida S. Romanova, Cynthia Pagba, Sarmimala Hore, Giovanni Zordan, Ileana Place, and Agnes Farrán3

1Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA; 2Department of Protein Engineering, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA; 3Center for Photochemical Sciences, Bowling Green State University, Bowling Green, OH 43403, USA


Abstract: Encapsulation of chromophores within Cram-type hemicarcerands allowed the investigation of fundamental photophysical phenomena, such as long-range triplet energy transfer, electron transfer, and the remote heavy atom effect. Furthermore, novel water-soluble hemicarcerands are being used to develop unique hybrid materials composed of semiconductor nanoparticles and host–guest assemblies. Photoinduced charge injection from the “incarcerated” guest into the conduction band of the semiconductor has been demonstrated.
*Lectures presented at the XIXth IUPAC Symposium on Photochemistry, Budapest, Hungary, 14­19 July 2002. Other presentations are published in this issue, pp.999­1090.