
CdS quantum dots: growth, microstructural, optical and electrical ...
2016年6月14日 · Cadmium sulfide (CdS) quantum dots (QDs) with cubic phase were prepared using simple precursors by chemical precipitation technique, and their thin films were grown on glass substrates by chemical bath deposition.
CD-TEM: Characterizing impact of TEM sample preparation on CD metrology ...
2018年4月30日 · Recent developments in sample preparation and analysis have resulted in a fully automated TEM workflow that enables widespread use of TEM for critical dimension metrology ("CD-TEM"). To better understand the precision of the TEM workflow, this study explores the impact of variations in sample preparation (thickness, damage layer, and cut ...
TEM image of CdS nanoparticles. | Download Scientific Diagram
The nanostructure of the CdS particles has been ascertained through X-ray Diffraction (XRD) and Transmission Electron Microscopy (TEM). Small angle x-ray scattering analysis has been performed...
Nano Res.│上海科技大学濮超丹课题组:高单体浓度下CdS胶体量 …
2022年7月20日 · 胶体量子点是一种半导体纳米晶体,具有与尺寸相关的光学和电学特性,可应用于发光二极管、太阳能电池、生物成像和光催化。 经过研究者们的不懈努力,量子点的合成控制以及理论体系,特别是在化学溶液合成法中,都已经发展到了一个很高的水平。 然而,对于一些具有应用潜力的量子点,如InP、CuInS2,甚至常见的CdS、ZnSe胶体量子点,尺寸展宽问题依旧很严重。 因此仍然需要探索和完善胶体量子点的生长机理。 传统的量子点合成理论通常默认溶液 …
In situ liquid cell TEM and SEM observation of the CdS ... - Springer
2022年5月9日 · This paper reports the first direct observation of the dynamic behavior of graphene oxide (GO) and CdS nanoclusters in aqueous solution by both in situ liquid cell transmission electron microscope (LC-TEM) and in situ liquid cell scanning electron microscope (LC-SEM). It is observed that CdS prefer to attach to folds of GO.
化学沉淀法合成硫化镉纳米粒子及其表征,Journal ... - X-MOL
2015年11月1日 · TEM显微照片描绘了颗粒的球形形状,尺寸在15-85 nm范围内,而CdS纳米颗粒的HR-TEM图像显示了CdS立方结构的良好分辨的晶格条纹。 CdS的光学性质通过紫外可见光谱进行了检查,该光谱显示了460-480 nm的吸收带变化。
具有可调晶相结构的 CdS:可控制备和增强的光 ... - X-MOL
TEM结果表明, (111)和 (100)晶面对应于两种催化剂的立方和六方CdS结构。 立方相和六方相CdS的带隙值分别为2.24eV和2.17eV。 电化学阻抗谱结果表明,立方CdS具有较小的圆弧半径和较低的电阻。 根据莫特-肖特基图进一步计算了两个 CdS 相的传导电势,发现立方 CdS 的传导电势比六方 CdS 的传导电势更负。 因此,立方CdS比六方CdS表现出更高的载流子迁移速率和电荷分离效率;立方CdS在可见光照射下的光催化产氢量达到680 µL,明显高于六方CdS。 这项 …
a Typical SEM image and (b, c, and d) typical TEM images of CdS ...
CdS fabricated with 5 mL of TGA for 36 h exhibited high-density nanorods with an average-length-width of 1.54-0.10 µm and a wurtzite phase. CdS nanorods annealed at 400 • C for 1 h provided the...
TEM and XPS studies on CdS/CIGS interfaces - ScienceDirect
2014年12月1日 · The CdS/CIGS interfaces were investigated by Transmission Electron Microscopy (TEM) and X-ray Photoelectron Spectroscopy (XPS). As checked by XPS analysis, the CIGS surface exhibited a hydroxide-terminated CdSe layer when treated with Cd Partial Electrolyte solution (Cd PE).
核壳结构CdS/CuS纳米复合材料的制备及光催化性能
通过共沉淀法制备CuS掺杂的CdS催化材料(CuS/CdS),用XRD,SEM,UVVis和DTG等手段对催化剂的结构和性能进行系统的表征,并采用降解甲基橙染料考察CuS/CdS的可见光催化性能.实验结果表明,CuS的掺杂能够增强CdS在可见光范围的吸收强度,改善CdS的抗氧化能力,进而 ...