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Highly Efficient Aggregation-Induced Room-Temperature Phosphorescence with Extremely Large Stokes Shift Emitted from Trinuclear Gold(I) Complex Crystals.

ABSTRACT: Highly efficient (?75% quantum yield), aggregation-induced phosphorescence is reported. The phosphorescence is emitted at room temperature and in the presence of air from crystals of trinuclear Au(I) complexes, accompanied by an extremely large Stokes shift of 2.2 × 104 cm-1 (450 nm). The mechanism of the aggregation-induced room-temperature phosphorescence from the Au complex crystals was investigated in terms of the crystal packing structure and the primary structure of the molecules. It was found that two kinds of intermolecular interactions occurred in the crystals, and that these multiple dual-mode intermolecular interactions in the crystals play a crucial role in the in-air room-temperature phosphorescence of the trinuclear Au(I) complexes.

SUBMITTER: Tsutsumi O

PROVIDER: S-EPMC6943708 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Highly Efficient Aggregation-Induced Room-Temperature Phosphorescence with Extremely Large Stokes Shift Emitted from Trinuclear Gold(I) Complex Crystals.

Tsutsumi Osamu O Tamaru Masakazu M Nakasato Hitoya H Shimai Shingo S Panthai Supattra S Kuroda Yuki Y Yamaguchi Kenta K Fujisawa Kaori K Hisano Kyohei K

Molecules (Basel, Switzerland) 20191216 24

Highly efficient (≈75% quantum yield), aggregation-induced phosphorescence is reported. The phosphorescence is emitted at room temperature and in the presence of air from crystals of trinuclear Au(I) complexes, accompanied by an extremely large Stokes shift of 2.2 × 10<sup>4</sup> cm<sup>-1</sup> (450 nm). The mechanism of the aggregation-induced room-temperature phosphorescence from the Au complex crystals was investigated in terms of the crystal packing structure and the primary structure of t ...[more]

PMID: 31888246

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