Energy and Electron Transfer Dynamics within a Series of Perylene Diimide/Cyclophane Systems
- Univ. of Cambridge (United Kingdom)
- Northwestern Univ., Evanston, IL (United States); Energy Frontier Research Centers (EFRC) (United States). Argonne-Northwestern Solar Energy Research Center (ANSER)
- Northwestern Univ., Evanston, IL (United States)
- Jacobs Univ. Bremen (Germany)
Artificial photosynthetic systems for solar energy conversion exploit both covalent and supramolecular chemistry to produce favorable arrangements of light-harvesting and redox-active chromophores in space. An understanding of the interplay between key processes for photosynthesis, namely light-harvesting, energy transfer, and photoinduced charge separation and the design of novel, self-assembling components capable of these processes are imperative for the realization of multifunctional integrated systems. Herein we report our investigations on the potential of extended tetracationic cyclophane/perylene diimide systems as components for artificial photosynthetic applications. We show how the selection of appropriate heterocycles, as extending units, allows for tuning of the electron accumulation and photophysical properties of the extended tetracationic cyclophanes. Spectroscopic techniques confirm energy transfer between the extended tetracationic cyclophanes and perylene diimide is ultrafast and quantitative, while the heterocycle specifically influences the energy transfer related parameters and the acceptor excited state.
- Research Organization:
- Energy Frontier Research Centers (EFRC) (United States). Argonne-Northwestern Solar Energy Research Center (ANSER)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); Cambridge Home and European Scholarship Scheme; Robert Gardiner Memorial Scholarship; European Research Council (ERC); Engineering and Physical Sciences Research Council (EPSRC); Joint Center of Excellence in Integrated Nano-Systems (JCIN); National Science Foundation (NSF); German Research Foundation (DFG)
- Grant/Contract Number:
- SC0001059; NA-686/5
- OSTI ID:
- 1387520
- Journal Information:
- Journal of the American Chemical Society, Vol. 137, Issue 48; Related Information: ANSER partners with Northwestern University (lead); Argonne National Laboratory; University of Chicago; University of Illinois, Urbana-Champaign; Yale University; ISSN 0002-7863
- Publisher:
- American Chemical Society (ACS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Web of Science
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Related Subjects
catalysis (homogeneous)
catalysis (heterogeneous)
solar (photovoltaic)
solar (fuels)
photosynthesis (natural and artificial)
bio-inspired
hydrogen and fuel cells
electrodes - solar
defects
charge transport
spin dynamics
membrane
materials and chemistry by design
optics
synthesis (novel materials)
synthesis (self-assembly)
redox reactions
quantum mechanics
absorption
fluorescence
excited states