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Issue 7, 2018
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To the homogeneity range of tris(8-hydroxyquinoline)gallium

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A new technique for the analysis of p8-HqT diagrams has been developed for the metal–organic phosphor tris(8-hydroxyquinoline)gallium. The detection of mono- and bivariant equilibria within the p8-HqT diagram was done using simultaneous measurements of the photoluminescence and reflection spectra of the condensed phase under controlled p8-Hq pressure and temperature. Using preparations with purity better 99.9988 wt%, the Si-Gaq3Sj-Gaq3V and Si-Gaq3LV equilibria were studied and the corresponding p8-HqT diagram was plotted in the 408–665 K temperature range. For the α-Gaq3, it was demonstrated that changing the synthesis conditions within the homogeneity range of the phase resulted in change in the cell volume, chemical activity and electrical properties of crystalline preparation and thin layers deposited due to it.

Graphical abstract: To the homogeneity range of tris(8-hydroxyquinoline)gallium

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The article was received on 04 Dec 2017, accepted on 10 Jan 2018 and first published on 11 Jan 2018

Article type: Paper
DOI: 10.1039/C7CE02092A
Citation: CrystEngComm, 2018,20, 930-936
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    To the homogeneity range of tris(8-hydroxyquinoline)gallium

    I. Ch. Avetissov, A. A. Akkuzina, N. N. Kozlova and R. I. Avetisov, CrystEngComm, 2018, 20, 930
    DOI: 10.1039/C7CE02092A

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