Phosphorescence Afterglow and Thermal Properties of [ScCl 3 (ptpy)] (ptpy: 4'‐phenyl‐2,2',6',2''‐terpyridine) | Zendy

Sedykh Alexander E. | Zendy; Kurth Dirk G. | Zendy; MüllerBuschbaum Klaus | Zendy

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Phosphorescence Afterglow and Thermal Properties of [ScCl 3 (ptpy)] (ptpy: 4'‐phenyl‐2,2',6',2''‐terpyridine)

Author(s) -

Sedykh Alexander E.,

Kurth Dirk G.,

MüllerBuschbaum Klaus

Publication year - 2021

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.202000347

Subject(s) - afterglow , phosphorescence , scandium , cyan , luminescence , materials science , lanthanide , photochemistry , chemistry , inorganic chemistry , optics , organic chemistry , optoelectronics , physics , fluorescence , ion , gamma ray burst , astronomy

A trivalent scandium complex with 4′‐phenyl‐2,2′:6′,2′′‐terpyridine [ScCl 3 (ptpy)] has been synthesized and characterized. At low temperatures, [ScCl 3 (ptpy)] shows a luminescence afterglow of green color in the crystalline form and of cyan color in a glass matrix, caused by phosphorescence of long triplet state emission lifetime (1.63(2) s in a glass matrix, 0.56(3) s in the crystalline form). In addition, the complex is thermally remarkably stable up to 495 °C, especially in comparison with previously reported similar lanthanide and group 3 metal chloride complexes containing ptpy.

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