Dendrimer photoantenna supermolecules: energetic funnels, exciton hopping and correlated excimer formation Export

@article{citeulike:1541822, abstract = {A novel set of purely hydrocarbon dendrimer supermolecules has been studied, providing direct evidence of unusual photophysical and photochemical characteristics. The molecular structure gives rise to discrete exciton localization, allowing the formation of a highly photoactive antenna with a discrete energetic funnel. Steady state and fluorescence lifetime measurements have shown rapid and efficient exciton trapping at the molecular locus. Unique geometric and energetic attributes are observed which provide a means of protection from photobleaching, enhancing the longevity of these molecules. In addition, unexpected wavelength-dependent excimer formations are seen, suggesting unusual excitation-induced intermolecular interactions and dimer formations in more than one single excited state.}, author = {Swallen, S. F. and Kopelman, R. and Moore, J. S. and Devadoss, C.}, citeulike-article-id = {1541822}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/S0022-2860(99)00188-X}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6TGS-3X832RS-1T/2/10971671c0e03d33209632a472fa97bf}, day = {10}, doi = {10.1016/S0022-2860(99)00188-X}, journal = {Journal of Molecular Structure}, keywords = {antennae, correlation, dendrimers, energy, excimer, excitons, fe, iron, molecular}, month = {August}, pages = {585--597}, posted-at = {2007-08-27 01:54:04}, priority = {2}, title = {Dendrimer photoantenna supermolecules: energetic funnels, exciton hopping and correlated excimer formation}, url = {http://dx.doi.org/10.1016/S0022-2860(99)00188-X}, volume = {485-486}, year = {1999} }

TY - JOUR ID - citeulike:1541822 L3 - citeulike-article-id:1541822 N2 - A novel set of purely hydrocarbon dendrimer supermolecules has been studied, providing direct evidence of unusual photophysical and photochemical characteristics. The molecular structure gives rise to discrete exciton localization, allowing the formation of a highly photoactive antenna with a discrete energetic funnel. Steady state and fluorescence lifetime measurements have shown rapid and efficient exciton trapping at the molecular locus. Unique geometric and energetic attributes are observed which provide a means of protection from photobleaching, enhancing the longevity of these molecules. In addition, unexpected wavelength-dependent excimer formations are seen, suggesting unusual excitation-induced intermolecular interactions and dimer formations in more than one single excited state. JF - Journal of Molecular Structure EP - 597 TI - Dendrimer photoantenna supermolecules: energetic funnels, exciton hopping and correlated excimer formation VL - 485-486 SP - 585 KW - antennae KW - correlation KW - dendrimers KW - energy KW - excimer KW - excitons KW - fe KW - iron KW - molecular AU - Swallen, SF AU - Kopelman, R AU - Moore, JS AU - Devadoss, C PY - 1999/08/10/ UR - http://dx.doi.org/10.1016/S0022-2860(99)00188-X ER -