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A first report on the synthesis of a complex of unsubstituted 1,2,3-triazolo[1,5-a]pyridine formed in situ via oxidative N–N bond coupling: Structural, photoluminescent, and biological properties of a new Cu(II) complex and its use as a single-source precursor for Cu and CuO nanoparticles
Journal of Physics and Chemistry of Solids ( IF 4.3 ) Pub Date : 2020-08-29 , DOI: 10.1016/j.jpcs.2020.109730
Subramani Sathiyakumar , Pitchai Selvam , Jayaraman Radhika , Sudhadevi Antharjanam , Faruck Lukmanul Hakkim , Krishnan Srinivasan , Thathan Premkumar

New copper(II) complexes [Cu(Pytc)(Cl)2]·2H2O (1) and [Cu2(tzp)2(CH3COO)4] (2) (Pytc = tert-butyl 2-(pyridine-2yl-methylene)hydrazinecarboxylate; tzp = 1,2,3-triazolo[1,5-a]pyridine) were prepared and were characterized by elemental analysis, electron impact mass spectrometry, UV–visible spectroscopy, infrared spectroscopy, and photoluminescence studies. A single-crystal X-ray diffraction study of 2 revealed a paddle-wheel copper(II) acetate structure with tzp acting as a monodentate ligand coordinated axially. Pytc and the metal complexes showed emissive, antibacterial, and antifungal properties. Furthermore, 2 was demonstrated to be a solid-state single-source precursor to form Cu and CuO nanoparticles (NPs) under different atmospheric conditions. By transmission electron microscopy, the as-prepared nanoparticles were observed to be roughly spherical with average particle sizes of approximately 10–12 nm for Cu NPs and approximately 20–22 nm for CuO NPs. Furthermore, high crystallinity, high purity, and the single-phase nature of the as-prepared NPs were revealed by the powder X-ray diffraction pattern.



中文翻译:

关于未取代的1,2,3-三唑并[1,5- a ]吡啶经氧化N–N键偶联原位形成的复合物的首次报道:新Cu(II)的结构,光致发光和生物学性质)络合物及其作为Cu和CuO纳米粒子的单一来源前体的用途

新的铜(II)配合物[Cu(Pytc)(Cl)2 ]·2H 2 O(1)和[Cu 2(tzp)2(CH 3 COO)4 ](2)(Pytc = 丁基2-(制备吡啶-2-基-亚甲基)肼甲酸吡啶酯; tzp = 1,2,3-三唑并[1,5- a ]吡啶),并通过元素分析,电子冲击质谱,紫外可见光谱,红外光谱和光致发光进行表征学习。的单晶X射线衍射研究2揭示了叶轮乙酸铜(II)结构,其中tzp作为轴向配位的单齿配体。Pytc和金属络合物显示出发射,抗菌和抗真菌特性。此外,已证明2是在不同大气条件下形成Cu和CuO纳米颗粒(NPs)的固态单源前体。通过透射电子显微镜,观察到所制备的纳米颗粒大致呈球形,Cu NP的平均粒径约为10–12 nm,CuO NP的平均粒径约为20–22 nm。此外,通过粉末X射线衍射图揭示了所制备的NP的高结晶度,高纯度和单相性质。

更新日期:2020-09-10
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