2020年6月1日 · The Ultraviolet-visible (UV-Vis) absorption spectroscopy is a valuable technique for the characterization of the absorbance bands and band gap of nanoparticles (DRS) especially that of noble metals because they are intensely colored and show absorptions due to surface plasmon oscillations.

2021年3月1日 · In this work, we developed a novel facile chemical precipitation-reduction method without high-temperature reaction or auxiliary devices to fabricate the Ag/Ag2 O@TiO 2 (A/Ag@TO) photocatalyst for removing gaseous toluene for the first time.

2025年1月1日 · The wave length 200–800 nm double-beams UV–Vis spectrophotometer (Shanghai Drywell Scientific Instrument) was used to measure Ag 2 O nanoparticles. Using UV–visible spectroscopy and UV–visible diffuse reflectance spectroscopy (UV-DRS), the band gap was determined.

Because noble metals are intensely colored and exhibit absorptions due to surface plasmon oscillations, ultraviolet-visible (UV-Vis) absorption spectroscopy is a valuable technique for ...

2016年12月5日 · Utilize a broad range of wavelengths from UV to near-infrared (NIR) for organic contaminants degradation. The improved photocatalytic property can be attributed to highly dispersed Ag 2 O nanoparticles on the surface of TiO 2 …

2024年6月27日 · Green synthesized Ag2O-supported MgO/rGO NCs were characterized through X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), X-ray photoelectron spectroscopy (XPS), Raman, ultraviolet–visible (UV–vis) spectroscopy, and photoluminescence (PL) spectroscopy, and gas chromatography–mass ...

The band gap of Cu-MOF/Ag2O and Cu-MOF/rGO has enhanced from visible light harvesting compound to near and far UV light harvesting material due to quantum size effect and can be used as coating...

本研究考察了系统供能对所得氧化银纳米粒子 (Ag 2O NPs) 进行了研究，包括直接影响其光催化性能的特性，即表面积、粒径和纳米粒子稳定性。 通过确定设备的实用功率、设备的能量消耗、最大能量交换效率和加热效率。 合成材料使用不同的技术进行表征，包括 XRD、STEM、UV-VIS、DLS、FTIR、BET、拉曼、zeta 电位。 使用超声波作为能源获得了最小的粒径，为此获得了最高的材料加热梯度（29.89 K / min），而最高的加热效率（72.37%）是使用微波辐射获得的。 …

The synthesized Ag2O NPs were tested for their photocatalytic activity towards the degradation of Methylene blue (MB) dye under solar light illumination and maximum removal efficiency of 91.5 %...

通过一种简便的方法合成了三维Ag2O和Ag共载TiO2（3D Ag2O-Ag / TiO2）复合材料，并利用SEM，EDX，TEM，XRD，XPS，UV-vis DRS，BET技术对其进行了表征，并将其应用于去除放射性碘离子（I（-））。 3D Ag2O-Ag / TiO2球在可见光下的光催化吸附能力（207.6 mg / g）是在黑暗中的四倍，即使在模拟盐湖水中，在黑暗中其光催化吸附能力几乎不受其他离子的影响。 Cl（-）高达I（-）的590倍。 证明了该复合物从不同类型的水（例如去离子水或盐湖水）中去除 …