In this work, the green synthesis of zinc oxide nanoparticles (ZnO NPs) using Brazilian Amazon açaí (Euterpe oleracea Mart.) berry seed residue extract was investigated as a sustainable alternative...

Low-temperature hydrothermal growth has emerged as a popular method for the fabrication of ZnO nanorods (NRs), increasing the functionality and utility of ZnO-based devices. In this work, we study...

In the presented research work, zinc and aluminum containing layered double hydroxides on the polyvinyl alcohol matrix (ZnAl LDH/PVA) were prepared by the co-formation technique and characterized...

2023年1月1日 · XRD validates the crystalline nature of ZnO nanoparticles with a hexagon structure, whereas SEM shows single-crystal ZnO-NPs with approximately cubical morphologies. Involvement of tiny crystallite sizes and lattice strain in peak broadening at 350 °C and 500 °C.

2014年5月3日 · 科学家们于19 9 7 年发现了Z n O 光泵浦紫外光激射， 从而显示了该材料在紫外光激光器、 紫外光探测器、 光电器件的单片集成方面的应用潜力n ]。 Z n O 半导体陶瓷是各种智能材料、 敏感材料（ 气敏、 热敏、 湿敏、 压敏）和精细电子陶瓷的主要基体[ 5]。 本文着眼于前人忽略之处， 重头研究了氢氧化锌和氧化锌的红外光谱， 并对一些意外发现作出解释。 与此同时， 对所制备的两性物质进行了热重分析。 2实验部分2． 1药品与仪器硝酸锌Z n （ N O 。 ）： …

利用x射线衍射(xrd)确定产品的晶相结构；利用扫描电子显微镜(sem)观察产品的形貌、测量微粒的尺寸。

2021年1月1日 · Nanoparticles of zinc oxides are synthesised by chemical methods taking as 1:4 M ratios ZnSO4.7H20 and NaOH. X-ray diffraction (XRD) and Raman Spectroscopy present the structural, chemical and optical properties of zinc oxide nanoparticles. Patterns from XRD show that the ZnO nanoparticles with a mean size 25 nm are made from a Wurtzite structure.

2009年11月1日 · Zinc oxide (ZnO) nanoparticles were synthesized by a hydrothermal process at 120 ∘ C. XRD results reveal that the sample product is crystalline with a hexagonal wurtzite phase. TEM results confirm that the morphology of the annealed ZnO is rod shaped with an aspect ratio (length/diameter) of ∼3.2.

2017年1月5日 · XRD data of ZnO (0.02%) and ZnO:H (0.02%) showed ZnO as the major phase with Zn(OH) 2 impurity phase and a new ZnO:H peak at 2θ, 29.60° for ZnO and ZnO:H, respectively. The estimated particle sizes determined from XRD were 47 and 30 nm, respectively.

2012年5月22日 · ZnO nanoparticles have been prepared using wet chemical synthesis method and were characterized by XRD, SEM, SAED, UV-vis absorption, and photoluminescence spectroscopy. XRD and SEM studies confirmed the nanostructures for the …