UV-vis Analysis of 1st Row Transition Metal “Sunscreen” Complexes
Presenter(s)
Kelsey Sterud, Elle Lind, Bailey Sommerville, McKenna Stocker, and Tristan Waldron
Abstract
Tris(β-diketonate) complexes of chromium(III), iron(III), cobalt(III) were analyzed by UV-vis spectroscopy. These complexes have been targeted for their potential application as sensitizers for solar cells and thus exact absorbance profiles have been sought to correlate their relative performance in this application. Strongly absorbing π-system ligands, avobenzone and oxybenzone, promote absorbance in the UV coupled with LMCT transitions due to the ligand-metal interaction. Comparisons of experimental and computationally generated absorbance spectra have also been made.
College
College of Science & Engineering
Department
Chemistry
Campus
Winona
First Advisor/Mentor
Joseph West
Location
Kryzsko Great River Ballroom, Winona, Minnesota; United States
Start Date
4-23-2026 1:00 PM
End Date
4-23-2026 2:00 PM
Presentation Type
Poster Session
Format of Presentation or Performance
In-Person
Session
2a=1pm-2pm
Poster Number
61
UV-vis Analysis of 1st Row Transition Metal “Sunscreen” Complexes
Kryzsko Great River Ballroom, Winona, Minnesota; United States
Tris(β-diketonate) complexes of chromium(III), iron(III), cobalt(III) were analyzed by UV-vis spectroscopy. These complexes have been targeted for their potential application as sensitizers for solar cells and thus exact absorbance profiles have been sought to correlate their relative performance in this application. Strongly absorbing π-system ligands, avobenzone and oxybenzone, promote absorbance in the UV coupled with LMCT transitions due to the ligand-metal interaction. Comparisons of experimental and computationally generated absorbance spectra have also been made.

Comments
Sterud, Kelsey; Lind, Elleana J; Sommerville, Bailey; Stocker, McKenna L; Waldron, Tristan