Articles with "porphyrin dimers" as a keyword



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Highly Coupled Heterobicycle-Fused Porphyrin Dimers -Excitonic Coupling and Charge Separation with Coordinated Fullerene, C60.

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Published in 2023 at "ChemSusChem"

DOI: 10.1002/cssc.202202289

Abstract: Porphyrin dimers have been widely explored and studied owing to their importance in photosynthetic systems. A vast variety of dimers linked by different groups and at different angles have been synthesized and studied; however, the… read more here.

Keywords: charge separation; charge; porphyrin dimers; excitonic coupling ... See more keywords
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Chiral Modulation from Molecular to Macroscopic levels by synthetic chiral-amide-bonded porphyrin dimers

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Published in 2019 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2019.107637

Abstract: Abstract Six different nanoarchitectures were constructed by a series of synthetic bio-inspired chiral porphyrin dimers through molecular self-assembly behaviour. A plausible mechanism of chiral expression from the molecular to the macroscopic levels was investigated through… read more here.

Keywords: porphyrin dimers; macroscopic levels; chiral modulation; modulation molecular ... See more keywords
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Covalent bonds immobilization of cofacial Mn porphyrin dimers on an ITO electrode for efficient water oxidation in aqueous solutions

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Published in 2017 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2017.05.018

Abstract: Abstract We previously reported several manganese porphyrin dimers as the first manganese-containing molecular catalysts for water oxidation, however, in non-aqueous CH 3 CN solution containing 5% H 2 O. Here, we successfully fabricated these dimers… read more here.

Keywords: porphyrin dimers; water; water oxidation; ito electrode ... See more keywords
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Synthetic Control of Exciton Dynamics in Bioinspired Cofacial Porphyrin Dimers.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.1c12889

Abstract: Understanding how the complex interplay among excitonic interactions, vibronic couplings, and reorganization energy determines coherence-enabled transport mechanisms is a grand challenge with both foundational implications and potential payoffs for energy science. We use a combined… read more here.

Keywords: cofacial porphyrin; coherence; exciton dynamics; porphyrin dimers ... See more keywords
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Macroscopically Anisotropic Structures Produced by Light-induced Solvothermal Assembly of Porphyrin Dimers

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Published in 2018 at "Scientific Reports"

DOI: 10.1038/s41598-018-28311-2

Abstract: Porphyrin-based molecules play an important role in natural biological systems such as photosynthetic antennae and haemoglobin. Recent organic chemistry provides artificial porphyrin-based molecules having unique electronic and optical properties, which leads to wide applications in… read more here.

Keywords: porphyrin dimers; induced solvothermal; light induced; anisotropic structures ... See more keywords
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Conjugated D-A porphyrin dimers for solution-processed bulk-heterojunction organic solar cells.

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Published in 2017 at "Chemical communications"

DOI: 10.1039/c7cc00489c

Abstract: Three conjugated D-A porphyrin dimers (DPP-ZnP-E)2, (DPP-ZnP-E)2-2T and (DPP-ZnP-E)2-Ph linked with diethynylene, diethynylene-dithiophene and diethynylene-phenylene have been developed for bulk heterojunction solar cells with high power conversion efficiencies of 4.50%, 5.50% and 6.42%, respectively, when… read more here.

Keywords: dpp znp; conjugated porphyrin; porphyrin dimers; bulk heterojunction ... See more keywords
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Synthesis of Phosphole-bridged Porphyrin Dimers

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Published in 2019 at "Chemistry Letters"

DOI: 10.1246/cl.180943

Abstract: We synthesized phosphole-bridged porphyrin dimers and evaluated their optical and electrochemical properties. The porphyrin dimers exhibited broadened and red-shifted absorption relative to thienyl... read more here.

Keywords: porphyrin dimers; synthesis phosphole; phosphole bridged; chemistry ... See more keywords
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Helically Twisted Benzene-1,3,5-triamine-fused Porphyrin Dimers

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Published in 2020 at "Chemistry Letters"

DOI: 10.1246/cl.200115

Abstract: NiII-2,18-dibromo-20-chloroporphyrin was fused with N1,N3,N5-triaryl-1,3,5-benzenetriamine via t-BuONa-promoted one-pot reaction to give a helically twisted nitrogen-doped fused porphyrin dimer wit... read more here.

Keywords: porphyrin dimers; twisted benzene; triamine fused; fused porphyrin ... See more keywords
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Self-Assembly of Covalently Linked Porphyrin Dimers at the Solid–Liquid Interface

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Published in 2019 at "Molecules"

DOI: 10.3390/molecules24163018

Abstract: The synthesis and surface self-assembly behavior of two types of metal-porphyrin dimers is described. The first dimer type consists of two porphyrins linked via a rigid conjugated spacer, and the second type has an alkyne… read more here.

Keywords: porphyrin dimers; self assembly; dimers solid; liquid interface ... See more keywords