2017
DOI: 10.1007/s10904-017-0584-y
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Tetragonal Diiodotetrapyridinedicopper(I): Structure, Luminescence, and Computational Modeling

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Cited by 8 publications
(6 citation statements)
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“…Generally speaking, the absorption edge shifts to lower energies with increasing electron-withdrawing character of the pyridinium substituent/aryl group, with the optical band gap increasing for N-butyl 3-X-pyridinium complexes in the order: X = CN (1.58 eV), OMe (1.75 eV), Br (1.89 eV), Cl (1.94 eV), I (2.01 eV), and H (2.29 eV). A number of related copper­(I) halide compounds have been reported to undergo a mixed halide-metal to ligand charge transfer (XMLCT) transition with strong absorption bands between 300 and 500 nm. …”
Section: Results and Discussionmentioning
confidence: 99%
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“…Generally speaking, the absorption edge shifts to lower energies with increasing electron-withdrawing character of the pyridinium substituent/aryl group, with the optical band gap increasing for N-butyl 3-X-pyridinium complexes in the order: X = CN (1.58 eV), OMe (1.75 eV), Br (1.89 eV), Cl (1.94 eV), I (2.01 eV), and H (2.29 eV). A number of related copper­(I) halide compounds have been reported to undergo a mixed halide-metal to ligand charge transfer (XMLCT) transition with strong absorption bands between 300 and 500 nm. …”
Section: Results and Discussionmentioning
confidence: 99%
“…Evidence of charge transfer can also be seen in the excitation spectra of 8 and 9 which contain sharp peaks between 450 and 500 nm. These sharp peaks are uncharacteristic of halo- and pseudohalocuprate complexes, for which excitation spectra are typically smooth and broad. ,,, The maximum emission peak energy is independent of the choice of cation and is relatively unchanged between complexes. Thus, we assign the remaining maximum emission band to an XMCT within the iodocuprate cluster.…”
Section: Results and Discussionmentioning
confidence: 99%
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“…It seemed likely that the use of other soft ligands could afford analogous bimetallic species that might exhibit photoluminescence behavior. Therefore, we generated the acetonitrile complex in situ in acetone/acetonitrile solution and then further reacted it with excess PPh 3 , P(OPh) 3 [20] were invariably recovered. The crystals in these mixtures are easily identified by color and habit and thus physically separated.…”
Section: Iodobismuthate(iii)/cuprate(i) Complexesmentioning
confidence: 99%