University of Illinois Urbana-Champaign

Electronic spectra of bare and solvated ruthenium polypyridine complexes

Smith, James E.T.

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1633.pdf
599311.pptx

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https://hdl.handle.net/2142/91130

Description

Title
Electronic spectra of bare and solvated ruthenium polypyridine complexes
Author(s)
Smith, James E.T.
Contributor(s)
  • Weber, J. Mathias
  • Xu, Shuang
Issue Date
2016-06-21
Keyword(s)
Spectroscopy in Traps
Date of Ingest
2017-01-26T21:38:35Z
Abstract
We present work on a prototypical water oxidation catalyst, namely the aqua-complex [(bpy)(tpy)Ru-OH$_2$]$^{2+}$ (2,2’-bpy = bipyridine, tpy = 2,2’:6’,2”-terpyridine), and its hydrated clusters [(bpy)(tpy)Ru-OH$_2$]$^{2+}$ ·(H2O)$_n$, with n = 1 – 4. This complex is the starting species in a catalytic cycle for water oxidation. We couple electrospray ionization mass spectrometry with laser spectroscopy to circumvent challenges that arise in reactive solutions from speciation. Here, we report the electronic spectrum of [(bpy)(tpy)Ru-OH$_2$]$^{2+}$ by photodissociation spectroscopy of mass selected, cryogenically prepared ions, and we examine effects of its microhydration environment on its electronic structure. In particular, we investigate the solvatochromic shift of the spectral envelope upon sequential addition of water molecules up to the tetrahydrate.
Publisher
International Symposium on Molecular Spectroscopy
Type of Resource
text
Genre of Resource
Conference Paper / Presentation
Language
En
Permalink
http://hdl.handle.net/2142/91130
Copyright and License Information
Copyright 2016 by the authors

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Abstracts & Presentations - 2016 International Symposium on Molecular Spectroscopy PRIMARY