Anion-Dependent Assembly of Four Sensitized Near-Infrared Luminescent Heteronuclear ZnII–YbIII Schiff Base Complexes from a Trinuclear ZnII Complex

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Abstract
Four anion-dependent 0D ZnII–YbIII heterometallic Schiff base complexes, [YbZn2L2(OAc)4]·ClO4 (2), YbZnL2(NO3)3 (3), [(YbL)2(H2O)Cl(OAc)]2·[ZnCl4]2 (4), and YbZnL(OAc)4 (5), were assembled through central metal substitution or reconstruction from homotrinuclear ZnII complex {[(Zn(OAc)(H2O)L]2Zn}(ClO4)2·4H2O [1; HL = 2-ethoxy-6-[(pyridin-2-ylmethylimino)methyl]phenol] with different YbIIIX3 salts [X = ClO4 (2), NO3 (3), Cl (4), and OAc (5)], in which the ZnII-sensitized near-infrared luminescent performances in the four complexes 2–5 are closely related to their structural models.
Funding Information
  • Ministry of Education of the People's Republic of China (20124407110007)
  • National Natural Science Foundation of China (21071056, 91122008)
  • Foundation for High-level Talents in Higher Education of Guangdong (C10301)
  • Guangdong Province (cxzd1113)

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