Coordination of MX into the alkyne cleft also red-shifted the 3 LMCT emission compared to the MX-free parent complexes (measured in 77 K solvent glass). For all complexes, there was a clear trend that the photodecomposition quantum yield decreased as the emission energy decreased.
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Design Strategies for Luminescent Titanocenes: Improving the Photoluminescence and Photostability of Arylethynyltitanocenes.
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