Joseph Mario Favale

Chemistry Grads & Temps

Works (5)

Updated: July 5th, 2023 15:18

2021 journal article

Understanding the influence of geometric and electronic structure on the excited state dynamical and photoredox properties of perinone chromophores

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 23(42), 24200–24210.

By: K. Wells n, J. Palmer  n, J. Yarnell n, S. Garakyaraghi n, B. Pemberton  n, J. Favale n, M. Valchar n, A. Chakraborty n, F. Castellano n 

TL;DR: A series of eight similarly structured perinone chromophores were synthesized and photophysically characterized to elucidate the electronic and structural tunability of their excited state properties, including excited state redox potentials and fluorescence lifetimes/quantum yields, and will be valuable for future use in photofunctional applications. (via Semantic Scholar)
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Added: October 26, 2021

2020 journal article

Delayed fluorescence from a zirconium(iv) photosensitizer with ligand-to-metal charge-transfer excited states

Nature Chemistry, 12(4), 345–352.

By: Y. Zhang *, T. Lee *, J. Favale n, D. Leary *, J. Petersen *, G. Scholes *, F. Castellano n , C. Milsmann *

TL;DR: Long-lived emission via thermally activated delayed fluorescence has been demonstrated from an air- and water-stable zirconium complex featuring excited states with significant ligand-to-metal charge transfer character. (via Semantic Scholar)
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Added: April 6, 2020

2020 journal article

Ligand-triplet migration in iridium(iii) cyclometalates featuring π-conjugated isocyanide ligands

Dalton Transactions, 49(29), 9995–10002.

By: J. Favale n, C. Hauke n , E. Danilov n , J. Yarnell n & F. Castellano n 

TL;DR: Variations in photophysical response are consistent with lowering the triplet ligand-centered (3LC) state of the arylisocyanide ligand as the π system was extended, confirmed by 77 K photoluminescence emission spectra and ultrafast transient absorption experiments. (via Semantic Scholar)
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Added: August 17, 2020

2020 journal article

Visible-Light-Driven Triplet Sensitization of Polycyclic Aromatic Hydrocarbons Using Thionated Perinones

The Journal of Physical Chemistry Letters, 11(13), 5092–5099.

By: J. Palmer  n, K. Wells n, J. Yarnell n, J. Favale n & F. Castellano n 

TL;DR: The combined results suggest a general strategy for accessing long-lived triplet excited states in organic chromophores featuring a lone C=O moiety resident within its structure, valuable for the design of metal-free triplet photosensitizers. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: July 27, 2020

2019 journal article

Photophysical Processes in Rhenium(I) Diiminetricarbonyl Arylisocyanides Featuring Three Interacting Triplet Excited States

Inorganic Chemistry, 58(13), 8750–8762.

By: J. Favale n, E. Danilov n , J. Yarnell n & F. Castellano n 

TL;DR: The combined experimental evidence, along with the aid of electronic structure calculations, illustrates that the CNAr ligand is actively engaged in manipulating the excited-state decay in three of these molecules, wherein the triplet metal-to-ligand charge-transfer (3MLCT) state along with two distinct triplet ligand-centered (3LC) excited- state configurations (phen and CNAr) conspire to produce the resultant photophysical properties. (via Semantic Scholar)
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Added: July 29, 2019

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