WO2003105237-A1  HAYES ET AL.: 'Ultrafast photoswitched charge transmission through the bridge in a Donor-Bridge-Acceptor system' J. AM. CHEM. SOC. vol. 122, 23 May 2000, pages 5563 - 5567, XP002966914;  MILLER ET AL.: 'A tightly coupled linear array of perylene, bis(porphyrin) and phthalocyanine units that functions as a photoinduced energy-transfer cascade' J. ORG. CHEM. vol. 65, 02 September 2000, pages 6634 - 6649, XP002966917;  SCHNEIDER ET AL.: 'Hybrid materials doped with covalently bound perylene dyes through the sol-gel process' CHEM. MATER. vol. 12, 04 February 2000, pages 352 - 362, XP002966916;  TOMIZAKI ET AL.: 'Synthesis and photophysical properties of light-harvesting arrays comprised of a porphyrin bearing multiple perylene-monoimide accessory pigments' J. ORG. CHEM. vol. 67, 14 August 2002, pages 6519 - 6534, XP002966915US6916982-B2  An abstract for Loewe et al, "Synthesis of perylene-porphyrin building blocks and rod-like oligomers for light-harvesting applications,&#8221; J. Mater. Chem., 12(12), pp. 3438-3451, published Nov. 29, 2002.;  Hayes et al, "Ultrafast Photoswitched Charge Transmission through the Bridge Molecule in a Donor-Bridge-Acceptor System,&#8221; J. Am. Chem. Soc., vol. 122, pp. 5563-5567, May 23, 2000.;  Miller et al, "A Tightly Coupled Linear Array of Perylene, Bis(Porphyrin), and Phthalocyanine Units that Functions as a Photoinduced Energy-Transfer Cascade,&#8221; J. Org. Chem., vol. 65, pp. 6634-6649, Sep. 2, 2000.;  Prathapan, "Synthesis and excited-state photodynamics of perylene-porphyrin dyads. 1. Parallel energy and charge transfer via a diphenylethyne linker,&#8221; J. Phys. Chem. B, 105(34), PP. 8237-8248, Jul. 31, 2001.;  Schneider et al, "Hybrid Materials Doped with Covalently Bound Perylene Dyes through the Sol-Gel Process,&#8221; Chem. Mater., vol. 12, pp. 352-362, Feb. 4, 2000.;  Tomizaki et al, "Synthesis and photophysical Properties of Light-Harvesting Arrays Comprised of a Porphyrin Bearing Multiple Perylene-Monoimide Accessory Pigments,&#8221; J. Org. Chem., vol. 67, pp. 6519-6534, Aug. 14, 2002.;  Yang et al, "Synthesis and excited-state photodynamics in perylene-porphyrin dyads. 2. Effects of porphyrin metalation state on the energy-transfer, charge-transfer, and deactivation channels,&#8221; J. Phys. Chem. B, 105, pp. 8249-8258, Aug. 2, 2001.