Citation: Xuyu WANG, Xinran XIE, Dengke CAO. Photoreaction characteristics and luminescence modulation in phosphine-anthracene-based Au(Ⅰ) and Ir(Ⅲ) complexes[J]. Chinese Journal of Inorganic Chemistry, ;2025, 41(8): 1513-1522. doi: 10.11862/CJIC.20250113 shu

Photoreaction characteristics and luminescence modulation in phosphine-anthracene-based Au(Ⅰ) and Ir(Ⅲ) complexes

School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China

Corresponding author: Dengke CAO, dkcao@nju.edu.cn
Received Date: 2 April 2025
Revised Date: 26 April 2025

Figures(11)

The phosphine-anthracene ligand 1, 8-bis(diphenylphosphine) anthracene (Hbdpa) and its complexes[Au(Hbdpa)₂]PF₆ (1) and [Ir(tpy)(bdpa)](PF₆)₂ (2) were synthesized, where tpy=2, 2′∶6′, 2″-tripyridine. Upon light irradiation, these compounds underwent photoreaction, yielding Hbdpa-2O, [Au(Hbdpa-O)₂]PF₆ (1-O) and [Ir(tpy)(bdpa-OH)](PF₆)₂ (2-OH). NMR, mass spectrometry, and X-ray crystallography characterized the structures of these compounds. We discussed the photoreaction characteristics of compounds Hbdpa, 1, and 2, as well as the associated luminescence modulation. We found that the coordination with Au(Ⅰ) or Ir(Ⅲ) enhanced the photoreaction activity of the ligand Hbdpa. Moreover, complex 2 is the first Ir(Ⅲ) complex in which an anthracene unit participates in coordination and exhibits a light-induced dearomatization reaction, leading to the formation of complex 2-OH.
- phosphine anthracene ligand,
- Au(Ⅰ),
- complex,
- Ir(Ⅲ),
- complex,
- photochemical reaction
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