Low magnification TEM images of LaF3:Dy³⁺, CeF3:Tb³⁺, NdF3 (a–c) NaSmF4 …
Innovative nanoengineering using a task-specific ionic liquid (IL), namely, 1-butyl-3-methyl tetrafluoroborate [C4mim] [BF4], allows one to access a unique class of luminescent nanocomposites...
六方相 NaSmF4 纳米棒的水热合成与发光性能.pdf - 豆丁网
本实验通过简单、温和的EDTA辅助水热法在较低温度下成功合成了具有规则形貌的NaSmF4纳米棒, XRD分析显示产物是纯的六方相, FESEM 和TEM分析表明制备出的产物形貌单一、尺寸均匀的六棱柱纳米棒,棒的端面直径约为80 nm、长度约为500 nm。
镱铒共掺杂NaYF4@NaSmF4上转换核壳纳米粒子对其 ... - X-MOL
使用 XRD、FESEM、EDS、DLS 和 TEM 研究了核壳纳米粒子的结晶行为、形态和粒径。记录光致发光光谱以找到发射波长和发光强度。NaYF4@NaSmF4, 上转换核壳纳米粒子显示出比核 NaYF4 更高强度的发光光谱。 这些核壳纳米粒子为空间限制光学过程提供了一个平台，具有高发 …
Hydrothermal Synthesis of Prismatic NaHoF 4 Microtubes and NaSmF 4 …
In this paper, we focus on β -NaYF4 nanorods in order to provide a detailed description of their chemical composition and microstructure.
Chemistry of Materials - ACS Publications
2016年4月19日 · We used X-ray diffraction, transmission electron microscope, dynamic light scattering, and MRI techniques to investigate the structure, morphology, hydrodynamic size, and relaxivity of the prepared NaHoF 4 and NaDyF 4 nanoparticles, showing monodisperse nanoparticles of high crystallinity.
Effect of Ytterbium and Erbium co-doped NaYF4@NaSmF4
2019年8月7日 · In this study, novel upconversion (UC) core–shell NaYF 4 @NaSmF 4 nanoparticles were synthesized via hydrothermal route which is having a tendency to convert two or more lower energy near IR photons to single higher energy UV/Visible photon for biomedical imaging and therapeutic applications.
井冈山大学学报 自然科学版
采用EDTA辅助水热法,在较低的温度下合成了形貌规则的六方相NaSmF4纳米棒.分别采用X射线衍射 (XRD)、场发射扫描电镜 (FESEM)、高分辨透射电子显微镜 (TEM)、选区电子衍射 (SAED)、稳态荧光光谱仪等对合成的样品的结构、形貌和发射光谱进行表征.XRD分析表明产物为纯净的六方相结构;FESEM和TEM分析表明产物形貌为单一的、均匀的六棱柱纳米棒,端面直径约为80...
TEM-image of small “sacrificial” α -NaYF 4 :Yb,Er ... - ResearchGate
Figure 1 displays transmission electron microscopy (TEM) images of the “sacrificial” α -NaYF 4 particles prepared by the reaction of the metal oleates with ammonium fluoride in oleic...
TEM images with nanoparticles synthesized in organic phase. Two ...
Shape and size distribution was determined by transmission electron microscopy (TEM) and the particles' diameters were certified by Image J [52]. Over 100 NPs were measured, and the particles ...
Effect of Ytterbium and Erbium co-doped NaYF4@NaSmF4 …
2019年8月7日 · In this study, novel upconversion (UC) core–shell NaYF4@NaSmF4 nanoparticles were synthesized via hydrothermal route which is having a tendency to convert two or more lower energy near IR photons to single higher energy UV/Visible photon for biomedical imaging and therapeutic applications.