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Mechanisms of Light Energy Harvesting in Dendrimers and Hyperbranched Polymers
School of Chemistry, University of East Anglia, Norwich, NR4 7TJ, UK
* Author to whom correspondence should be addressed.
Received: 24 October 2011; in revised form: 18 November 2011 / Accepted: 2 December 2011 / Published: 5 December 2011
Abstract: Since their earliest synthesis, much interest has arisen in the use of dendritic and structurally allied forms of polymer for light energy harvesting, especially as organic adjuncts for solar energy devices. With the facility to accommodate a proliferation of antenna chromophores, such materials can capture and channel light energy with a high degree of efficiency, each polymer unit potentially delivering the energy of one photon—or more, when optical nonlinearity is involved. To ensure the highest efficiency of operation, it is essential to understand the processes responsible for photon capture and channelling of the resulting electronic excitation. Highlighting the latest theoretical advances, this paper reviews the principal mechanisms, which prove to involve a complex interplay of structural, spectroscopic and electrodynamic properties. Designing materials with the capacity to capture and control light energy facilitates applications that now extend from solar energy to medical photonics.
Keywords: light-matter interactions; dendrimers; photons; energy harvesting; nonlinear optics; chromophore arrays; photochemistry; photophysics
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Cite This Article
MDPI and ACS Style
Bradshaw, D.S.; Andrews, D.L. Mechanisms of Light Energy Harvesting in Dendrimers and Hyperbranched Polymers. Polymers 2011, 3, 2053-2077.
Bradshaw DS, Andrews DL. Mechanisms of Light Energy Harvesting in Dendrimers and Hyperbranched Polymers. Polymers. 2011; 3(4):2053-2077.
Bradshaw, David S.; Andrews, David L. 2011. "Mechanisms of Light Energy Harvesting in Dendrimers and Hyperbranched Polymers." Polymers 3, no. 4: 2053-2077.