Faculty of Science, Chemistry Department, Alexandria University, Ibrahimia, P.O. Box 426, Alexandria 21321, Egypt.
Spectrochim Acta A Mol Biomol Spectrosc. 2013 Jun;110:14-9. doi: 10.1016/j.saa.2013.02.042. Epub 2013 Mar 14.
Zinc(II)-8-hydroxy-5-nitrosoquinolate, [Zn(II)-(HNOQ)2], was synthesized and assembled as a deposited thin film of nano-metal complex by a rapid, direct, simple and efficient procedure based on layer-by-layer chemical deposition technique. Stoichiometric identification and structural characterization of [Zn(II)-(HNOQ)2] were confirmed by electron impact mass spectrometry (EI-MS) and Fourier Transform infrared spectroscopy (FT-IR). Surface morphology was studied by using a scanning electron microscope imaging (SEM) and the particle size was found to be in the range of 23-49 nm. Thermal stability of [Zn(II)-(HNOQ)2] was studied and the thermal parameters were evaluated using thermal gravimetric analysis (TGA). The current density-voltage measurements showed that the current flow is dominated by a space charge limited and influenced by traps under high bias. The optical properties of [Zn(II)-(HNOQ)2] thin films were found to exhibit two direct allowed transitions at 2.4 and 1.0 eV, respectively.
锌(II)-8-羟基-5-亚硝基喹啉配合物,[Zn(II)-(HNOQ)2],通过基于层层化学沉积技术的快速、直接、简单和有效的程序被合成并组装为纳米金属配合物的沉积薄膜。电子冲击质谱(EI-MS)和傅里叶变换红外光谱(FT-IR)证实了[Zn(II)-(HNOQ)2]的化学计量比鉴定和结构特征。通过扫描电子显微镜成像(SEM)研究了表面形态,发现粒径在 23-49nm 范围内。研究了[Zn(II)-(HNOQ)2]的热稳定性,并使用热重分析(TGA)评估了热参数。电流密度-电压测量表明,电流流动主要由空间电荷限制主导,并在高偏压下受到陷阱的影响。[Zn(II)-(HNOQ)2]薄膜的光学性质被发现分别在 2.4 和 1.0eV 处表现出两个直接允许的跃迁。