The Tail Wags the Dog: The Far Periphery of the Coordination Environment Manipulates the Photophysical Properties of Heteroleptic Cu(I) Complexes

Результат исследований: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

In this work we show, using the example of a series of [Cu(Xantphos)(NˆN)]+ complexes (NˆN being substituted 5-phenyl-bipyridine) with different peripheral NˆN ligands, that substituents distant from the main action zone can have a significant effect on the physicochemical properties of the system. By using the C≡C bond on the periphery of the coordination environment, three hybrid molecular systems with −Si(CH3)3, −Au(PR3), and −C2HN3 (CH2)C10H7 fragments were produced. The Cu(I) complexes thus obtained demonstrate complicated emission behaviour, which was investigated by spectroscopic, electrochemical, and computational methods in order to understand the mechanism of energy transfer. It was found that the −Si(CH3)3 fragment connected to the peripheral C≡C bond changes luminescence to long-lived intra-ligand phosphorescence, in contrast to MLCT phosphorescence or TADF. The obtained results can be used for the design of new materials based on Cu(I) complexes with controlled optoelectronic properties on the molecular level, as well as for the production of hybrid systems.

Язык оригиналаанглийский
Номер статьи2250
Число страниц17
ЖурналMolecules
Том27
Номер выпуска7
DOI
СостояниеОпубликовано - 30 мар 2022

Предметные области Scopus

  • Поиск новых лекарств
  • Аналитическая химия
  • Химия (разное)
  • Молекулярная медицина
  • Физическая и теоретическая химия
  • Фармация
  • Органическая химия

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