Paul A Karr
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Explore the profile of Paul A Karr including associated specialties, affiliations and a list of published articles.
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57
Citations
104
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Recent Articles
1.
Hamza J, Sharma J, Karr P, van der Est A, DSouza F, Poddutoori P
J Am Chem Soc
. 2024 Sep;
146(37):25403-25408.
PMID: 39248434
Porphyrin dyes with strong push-pull type intramolecular charge transfer (ICT) character and broad absorption across the visible spectrum are reported. This combination of properties has been achieved by functionalizing the...
2.
Shao S, Gobeze H, De Silva I, Schaffner J, Verbeck G, Karr P, et al.
Chemistry
. 2024 Jun;
30(46):e202401892.
PMID: 38857115
Structurally well-defined self-assembled supramolecular multi-modular donor-acceptor conjugates play a significant role in furthering our understanding of photoinduced energy and electron transfer events occurring in nature, e. g., in the antenna-reaction...
3.
Gutierrez-Vilchez A, Ileperuma C, Navarro-Perez V, Karr P, Fernandez-Lazaro F, DSouza F
Chempluschem
. 2024 Jun;
89(11):e202400348.
PMID: 38856517
Fundamental discoveries in electron transfer advance scientific and technological advancements. It is suggested that in plant and bacterial photosynthesis, the primary donor, a chlorophyll or bacteriochlorophyll dimer, forms an initial...
4.
Yadagiri B, Kaswan R, Tagare J, Kumar V, Naga Rajesh M, Singh S, et al.
J Phys Chem A
. 2024 May;
128(21):4233-4241.
PMID: 38758579
We have designed, synthesized, and characterized a donor-acceptor triad, , that consists of a π-interacting phenothiazine-linked porphyrin as a donor and sensitizer and fullerene as an acceptor to seek charge...
5.
Kazemi S, Alsaleh A, Karr P, DSouza F
J Am Chem Soc
. 2024 May;
146(19):13509-13518.
PMID: 38710108
The importance of diameter-sorted single-wall carbon nanotubes (SWCNTs) noncovalently bound to a donor-acceptor , , in prolonging the lifetime of charge-separated states is successfully demonstrated. For this, using a multistep...
6.
Yahagh A, Kaswan R, Kazemi S, Karr P, DSouza F
Chem Sci
. 2024 Jan;
15(3):906-913.
PMID: 38239676
Symmetry breaking charge transfer is one of the important photo-events occurring in photosynthetic reaction centers that is responsible for initiating electron transfer leading to a long-lived charge-separated state and has...
7.
Ileperuma C, Garces-Garces J, Shao S, Fernandez-Lazaro F, Sastre-Santos A, Karr P, et al.
Chemistry
. 2023 Sep;
29(56):e202302839.
PMID: 37702225
Invited for the cover of this issue are the groups of Fernando Fernández-Lázaro and Ángela Sastre-Santos at the Universidad Miguel Hernández, Elche, Spain, and Francis D'Souza at the University of...
8.
Follana-Berna J, Dawson A, Kaswan R, Seetharaman S, Karr P, Sastre-Santos A, et al.
J Phys Chem A
. 2023 Jul;
127(30):6191-6203.
PMID: 37467488
A series of pyrazinepyrene-fused zinc phthalocyanines () have been newly synthesized by reacting quinoxaline and the corresponding diamino-functionalized phthalocyanines as a new class of π-extended phthalocyanine systems. Bathochromically shifted absorption...
9.
Ileperuma C, Garces-Garces J, Shao S, Fernandez-Lazaro F, Sastre-Santos A, Karr P, et al.
Chemistry
. 2023 Jul;
29(56):e202301686.
PMID: 37428999
Two wide-band-capturing donor-acceptor conjugates featuring bis-styrylBODIPY and perylenediimide (PDI) have been newly synthesized, and the occurrence of ultrafast excitation transfer from the PDI* to BODIPY, and a subsequent electron transfer...
10.
Miklik D, Fatemeh Mousavi S, Buresova Z, Middleton A, Matsushita Y, Labuta J, et al.
Commun Chem
. 2023 Jan;
4(1):29.
PMID: 36697553
Acenes and azaacenes lie at the core of molecular materials' applications due to their important optical and electronic features. A critical aspect is provided by their heteroatom multiplicity, which can...