The ligand-to-metal charge transfer excited state of [Re(dmpe)3]2+

Photosynthesis Research - Tập 151 Số 2 - Trang 155-161 - 2022
Rodriguez, Tayliz M.1, Deegbey, Mawuli2, Jakubikova, Elena2, Dempsey, Jillian L.1
1Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, USA
2Department of Chemistry, North Carolina State University, Raleigh, USA

Tóm tắt

The ligand-to-metal charge transfer (LMCT) transitions of [Re(dmpe)3]2+ (dmpe = bis-1,2-(dimethylphosphino)ethane) were interrogated using UV/Vis absorbance spectroscopy, photoluminescence spectroscopy, and time-dependent density functional theory. The solvent dependence of the lowest energy charge transfer transition was quantified; no solvatochromism was observed. TD-DFT calculations reveal the dominant LMCT transition is highly symmetric and delocalized involving all phopshine ligand donors in the charge transfer, providing an understanding for the absence of solvatochromism of [Re(dmpe)3]2+.

Tài liệu tham khảo

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