Blog
About

  • Record: found
  • Abstract: not found
  • Article: not found

A Supramolecular Artificial Light-Harvesting System with an Ultrahigh Antenna Effect

1 , 1 , 2 , 1 , 1 , 1 , 2

Advanced Materials

Wiley

Read this article at

ScienceOpenPublisher
Bookmark
      There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

      Related collections

      Most cited references 41

      • Record: found
      • Abstract: found
      • Article: not found

      Lessons from nature about solar light harvesting.

      Solar fuel production often starts with the energy from light being absorbed by an assembly of molecules; this electronic excitation is subsequently transferred to a suitable acceptor. For example, in photosynthesis, antenna complexes capture sunlight and direct the energy to reaction centres that then carry out the associated chemistry. In this Review, we describe the principles learned from studies of various natural antenna complexes and suggest how to elucidate strategies for designing light-harvesting systems. We envisage that such systems will be used for solar fuel production, to direct and regulate excitation energy flow using molecular organizations that facilitate feedback and control, or to transfer excitons over long distances. Also described are the notable properties of light-harvesting chromophores, spatial-energetic landscapes, the roles of excitonic states and quantum coherence, as well as how antennas are regulated and photoprotected.
        Bookmark
        • Record: found
        • Abstract: found
        • Article: not found

        Enhanced emission and its switching in fluorescent organic nanoparticles.

        A new class of organic nanoparticles (CN-MBE nanoparticles) with a mean diameter of ca. 30-40 nm, which exhibit a strongly enhanced fluorescence emission, were prepared by a simple reprecipitation method. CN-MBE (1-cyano-trans-1,2-bis-(4'-methylbiphenyl)ethylene) is very weakly fluorescent in solution, but the intensity is increased by almost 700 times in the nanoparticles. Enhanced emission in CN-MBE nanoparticles is attributed to the synergetic effect of intramolecular planarization and J-type aggregate formation (restricted excimer formation) in nanopaticles. On/off fluorescence switching for organic vapor was demonstrated with CN-MBE nanoparticles.
          Bookmark
          • Record: found
          • Abstract: found
          • Article: not found

          Photosynthetic energy conversion: natural and artificial.

           James Barber (2008)
          Photosystem II (PSII) is the water splitting enzyme of photosynthesis. Its appearance during evolution dramatically changed the chemical composition of our planet and set in motion an unprecedented explosion in biological activity. Powered by sunlight, PSII supplies biology with the 'hydrogen' needed to convert carbon dioxide into organic molecules. The questions now are can we continue to exploit this photosynthetic process through increased use of biomass as an energy source and, more importantly, can we address the energy/CO2 problem by developing new photochemical technologies which mimic the natural system? (Critical review, 82 references).
            Bookmark

            Author and article information

            Affiliations
            [1 ]Department of Chemistry; State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P. R. China
            [2 ]Collaborative Innovation Center of Chemical Science and Engineering; Nankai University; Tianjin 300071 P. R. China
            Journal
            Advanced Materials
            Adv. Mater.
            Wiley
            09359648
            August 2017
            August 2017
            June 06 2017
            : 29
            : 30
            : 1701905
            10.1002/adma.201701905
            © 2017

            http://doi.wiley.com/10.1002/tdm_license_1.1

            http://onlinelibrary.wiley.com/termsAndConditions#vor

            Comments

            Comment on this article