Luminescent [ZnIILnIII] complexes anchored on graphene: Synthesis and crystal structures of [ZnIIEuIII] and [ZnIITbIII] complexes decorated with pyrene groups

被引：6

作者：

Apostol, Adrian A. ^{[1
,2
]}

Mihalache, Iuliana ^{[2
]}

Mocanu, Teodora ^{[1
,3
]}

Tutunaru, Oana ^{[2
]}

Pachiu, Cristina ^{[2
]}

Gavrila, Raluca ^{[2
]}

Maxim, Catalin ^{[1
]}

Andruh, Marius ^{[1
]}

机构：

[1] Univ Bucharest, Inorgan Chem Lab, Fac Chem, Bucharest, Romania

[2] Natl Inst Res & Dev Microtechnol, Bucharest, Romania

[3] Ilie Murgulescu Inst Phys Chem, Lab Coordinat & Supramol Chem, Bucharest, Romania

来源：

APPLIED ORGANOMETALLIC CHEMISTRY | 2021年 / 35卷 / 03期

关键词：

graphene; europium complexes; luminescence; terbium complexes; MAGNETIC-PROPERTIES; POLYHEDRA; SHEETS;

D O I：

10.1002/aoc.6126

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Two [ZnLn] heterobinuclear complexes decorated with pyrene groups, [ZnEu(valpn)(hfac)(2)(pb)], have been obtained, in order to be deposited on graphene (Ln(III)(sic)Eu-III 2a; Tb-III 2b); H(2)valpn is the Schiff base compartmental ligand resulted from the condensation reaction between o-vanillin and propylenediamine (Hpb = 1-pyrenebutiric acid; Hhfac = hexafluoroacetylacetone). The two complexes have been obtained by replacing the acetato ligand in [ZnEu(valpn)(hfac)(2)(CH3COO)] (Eu-III: 1a; Tb-III: 1b) by pb(-) anions. The crystal structures of 1a, 2a, and 2b have been solved and described. Compounds 2a and 2b were grafted on monolayer graphene/quartz. The new hybrid materials, 2a/graphene and 2b/graphene, as well as the starting complexes are luminescent. The two hybrid materials have been characterized by Raman spectroscopy, atomic force microscopy (AFM), and scanning electron microscopy (SEM) measurements, which confirm the presence of the complexes on graphene.

引用

页数：11

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