Kaylee Wells

College of Sciences

Works (7)

Updated: July 5th, 2023 15:09

2021 article

Accessing the triplet manifold of naphthalene benzimidazole-phenanthroline in rhenium(I) bichromophores

Wells, K. A., Yarnell, J. E., Sheykhi, S., Palmer, J. R., Yonemoto, D. T., Joyce, R., … Castellano, F. N. (2021, August 11). DALTON TRANSACTIONS, Vol. 8.

By: K. Wells n, J. Yarnell n, S. Sheykhi n, J. Palmer  n, D. Yonemoto n, R. Joyce n, S. Garakyaraghi n, F. Castellano n 

TL;DR: The NBI-phen containing molecules exhibited enhanced visible light absorption with respect to their models and a rapid formation (<6 ns) of the triplet ligand-centred (LC) excited state of the organic ligand, N BI-phen. (via Semantic Scholar)
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Added: August 26, 2021

2021 journal article

Next Generation Cuprous Phenanthroline MLCT Photosensitizer Featuring Cyclohexyl Substituents

INORGANIC CHEMISTRY, 60(12), 8394–8403.

By: M. Rosko n , K. Wells n, C. Hauke n  & F. Castellano n 

TL;DR: Electrochemical and static PL data illustrate that [Cu(dchtmp)2]PF6 is a potent photoreductant equal to or greater than all previously investigated homoleptic Cu(I) diimine complexes. (via Semantic Scholar)
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Added: June 8, 2021

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

Energy Migration Processes in Re(I) MLCT Complexes Featuring a Chromophoric Ancillary Ligand

Inorganic Chemistry, 59(12), 8259–8271.

By: K. Wells n, J. Yarnell n, J. Palmer  n, T. Lee  n, C. Papa n & F. Castellano n 

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Added: July 13, 2020

2020 journal article

Photophysics and ultrafast processes in rhenium(i) diimine dicarbonyls

Dalton Transactions, 49(33), 11565–11576.

By: H. Atallah n , C. Taliaferro n, K. Wells n & F. Castellano n 

TL;DR: The MLCT excited state decay of this series of dicarbonyl molecules appears completely consistent with energy-gap law behavior, where the nonradiative decay rate constants increase logarithmically with decreasing excited state - ground state energy separation. (via Semantic Scholar)
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Added: September 14, 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)
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Added: July 27, 2020

2019 journal article

Excited-State Triplet Equilibria in a Series of Re(I)-Naphthalimide Bichromophores

The Journal of Physical Chemistry B, 123(35), 7611–7627.

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

TL;DR: The excited state processes of all molecules in this study were elucidated using a combination of transient absorption spectroscopy and time-resolved photoluminescence (PL) spectroscopic analysis, revealing the kinetics of the energy transfer processes occurring between the appended chromophores. (via Semantic Scholar)
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Added: September 30, 2019

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