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Ultramicroelectrode voltammetry reveals that some of the accepted methods for synthesising PILs can readily result in the formation of non stoichiometric PILs containing up to 230 mM excess acid. In addition, vacuum purification of PILs is of limited use in cases where non stoichiometric PILs are formed. While excess bases can be readily removed from PILs, even under ambient Cheap Yeezy Shoes Sale conditions, excess acids cannot, even under high vacuum.
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AbstractThe potential of intramolecular Nike Air Force 1 Cheap Outlet interactions to influence the photophysical properties of diiridium complexes is an unexplored topic, and provides the motivation for the present study. A series of diarylhydrazide bridged diiridium complexes functionalised with Ray Ban Outlet phenylpyridine (ppy) based cyclometalating ligands is reported. It is shown by NMR studies in solution and single crystal X ray analysis that intramolecular interactions between the bridging and cyclometalating ligands rigidify MK Outlet the complexes leading Coach Bags Clearance to high luminescence quantum efficiencies in solution and in doped films.