The UV-VIS absorption spectra showed blue shift in wavelength corresponding to bulk. Band gap energy of ZnO nanoparticles were determined from UV reflectance spectra and confirm quantum confinement.Soosen SamuelLekshmi BoseGeorge KCSoosen Samuel M, Lekshmi B and George KC., Optical Properties of ...
The present study investigated the optical and structural nature of zinc oxide nanoparticles (ZnO NPs) to look into the binding mechanism with sperm cell for exploring a domain of biosensing tools. The band gap and Urbach energy of the chemically fabricated ZnO NPs were calculated from UV–Vis ...
SAXS and UV–Vis combined to Quick-XAFS monitoring of ZnO nanoparticles formation and growth 来自 Taylor & Francis 喜欢 0 阅读量: 58 作者: Caetano, Bruno Leonardo,Santilli, Celso Valentim,Pulcinelli, Sandra Helena,Briois, Valérie 摘要: Time-resolved X-ray absorption-fine structure (Quick-XAFS...
TiO2and ZnO nanoparticles are characterized based on the purpose for which they are produced. This section gives the overview of different characterization techniques for morphological, structural, particle size, and surface area studies of TiO2and ZnO nanoparticles. These include the use of electron mi...
Zinc oxide nanoparticles based UV detector was fabricated on thermally oxidized silicon substrate. ZnO nanoparticle films were deposited using sol–gel route. The seed solution was prepared using two different solvents (methanol and isopropyl alcohol (IPA)). The surface morphology of the prepared films...
相关工作以Defective ZnO Nanoplates Supported AuPd Nanoparticles for Efficient Photocatalytic Methane Oxidation to Oxygenates在Advanced Energy Materials上发表论。 图文摘要 催化剂制备和结构表征: 通过改进的水热法合成了有缺陷的ZnO纳米板,...
外.可见漫反射吸收光谱(uV—Vis)等手段对复合催化剂进行了表征。以氙灯(250—800nm)为光源,盐酸四环素为 降解对象,评价样品的光催化活性。比较ZnO/CNTs复合材料和纯ZnO对抗生素的降解能力,并考察光催化剂的 重复利用能力。结果表明,通过溶胶法得到了在碳纳米管表面均匀、致密包覆ZnO颗粒的复合材料。由于ZnO/ ...
ZnO nanoparticles capped with TEA showed maximum weight loss. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used for structural and morphological characterization of ZnO nanoparticles. Particle size was evaluated using effective mass approximation method from UV–vis spectroscopy and...
The effectiveness of the treatment is assessed using the standardized tests, such as UV-Vis spectrophotometry and the calculation of the ultraviolet protection factor both before and after washing of the treated samples. It is found that the performance of ZnO nanoparticles as UV-absorbers can be ...
ow rate on the average particle size of ZnO nanoparticles were investigated. At optimal conditions, ZnO nanoparticles with average size of 16 nm were obtained. The synthesized ZnO nanoparticles were characterized by scanning electron microscope (SEM), X-ray diffraction (XRD), UV–vis absorption ...