1. Enhanced energy transport in genetically engineered excitonic networks
- Author
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Alessandro Iagatti, Heechul Park, Luigi Abbondanza, Hannah C. Johnsen, Laura Bussotti, Roberto Fusco, Masoud Mohseni, Patrick Rebentrost, Filippo Caruso, Barbara Patrizi, Petra F. Scudo, Nimrod Heldman, Angela M. Belcher, Mario Salvalaggio, Seth Lloyd, Paolo Foggi, and Andrea Alessi
- Subjects
Materials science ,Exciton ,02 engineering and technology ,Dynamic modelling ,010402 general chemistry ,01 natural sciences ,Theoretical ,Models ,Materials Testing ,Electrochemistry ,Computer Simulation ,General Materials Science ,Models, Theoretical ,Spectrum Analysis ,Temperature ,Energy Transfer ,Genetic Engineering ,Chemistry (all) ,Materials Science (all) ,Condensed Matter Physics ,Mechanics of Materials ,Mechanical Engineering ,Diffusion (business) ,Spectroscopy ,Quantum ,business.industry ,Genetically engineered ,General Chemistry ,Chromophore ,021001 nanoscience & nanotechnology ,0104 chemical sciences ,Optoelectronics ,quantum transport, genetic engineering, light-harvesting complexes, noise effects ,0210 nano-technology ,business ,relaxation dynamics ,quantum coherence ,light ,spectroscopy ,absorption ,complexes ,porphyrin ,resonance ,systems ,motion ,Energy transport - Abstract
One of the challenges for achieving efficient exciton transport in solar energy conversion systems is precise structural control of the light-harvesting building blocks. Here, we create a tunable material consisting of a connected chromophore network on an ordered biological virus template. Using genetic engineering, we establish a link between the inter-chromophoric distances and emerging transport properties. The combination of spectroscopy measurements and dynamic modelling enables us to elucidate quantum coherent and classical incoherent energy transport at room temperature. Through genetic modifications, we obtain a significant enhancement of exciton diffusion length of about 68% in an intermediate quantum-classical regime.
- Published
- 2015
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