
Highly defective ultra-small tetravalent MOF nanocrystals
2024年4月23日 · We report here a general sustainable strategy for the design of highly defective and ultra-small tetravalent MOFs (Zr, Hf) crystals (ca. 35% missing linker, 4–6 nm). Advanced characterizations have...
Crosslinking-induced patterning of MOFs by direct photo- and
2024年4月4日 · Here we report a universal, crosslinking-induced patterning approach for various MOFs, termed as CLIP-MOF. Via resist-free, direct photo- and electron-beam (e-beam) lithography, the ligand...
Atomistic structures and dynamics of prenucleation clusters in MOF …
2019年8月23日 · Through the combined use of DLS analysis in solutions and microscopic analysis of the solvent-free products, we found that only two kinds of molecular assemblies formed in the zinc MOF...
Metal–Organic Frameworks (MOFs) Characterization Using …
2022年2月18日 · Various characterization techniques such as FTIR, FE-SEM, XRD, TGA, and DLS characterization techniques are used to analyze the chemical composition, surface morphology, crystal structure and crystallinity, thermal stability, and particle size distribution of the MOFs, respectively.
Size control over metal–organic framework porous nanocrystals
Porous nanocrystals of metal–organic frameworks (MOFs) offer greater bioavailability, higher surface-to-volume ratios, superior control over MOF membrane fabrication, and enhanced guest-sorption kinetics compared to analogous bulk phases, but reliable synthesis of uniformly sized particles remains an outstanding challenge.
做出来的MOF,在电镜下看大致粒径是170nm左右,但一测dls平均 …
电镜看到的是纳米颗粒的更直接的二维化的尺寸,而DLS检测的是水动力学半径,水动力学半径的检测因为检测的范围包括了纳米颗粒表层的水分子,一般都会偏大。
金属有机骨架(MOFs)常见的表征方法 - 知乎
2022年10月8日 · 金属有机骨架(Metal organic frameworks,MOFs)由金属离子或离子簇与有机配体通过分子自组装而形成的一种具有周期性网络结构的晶体材料。 常见的金属-有机骨架材料可分为以下几类: IRMOF 系列(Isoreticular Metal-Organic Framework)、 ZIFs 系列(Zeolitic imidazolate frameworks)、 CPL 系列(Coordination Pillared-Layer)、MIL系列(Materials of Institut Lavoisier)、 PCN 系列(Porous Coordination Network)、UiO系列(University of …
Synthesis, Characterization, and Supercapacitor Performance of Fe-MOF …
2024年12月26日 · DLS-Particle Size Analysis of Fe-MOF Dynamic light scattering (DLS), also known as photon correlation spectroscopy, is a valuable technique for determining the size distribution of particles in a solution by analyzing fluctuations in …
Metal-organic frameworks for advanced drug delivery
2021年8月1日 · Finally, challenges in MOFs development for DDSs are discussed, such as biostability, biosafety, biopharmaceutics and nomenclature. This review focuses on metal–organic frameworks (MOFs)-based drug delivery systems (DDSs), including classification, synthesis, characterization, applications and biopharmaceutics of MOFs for DDSs. 1. Introduction.
DLS检测纳米粒径分布的三个关键!-测试狗·科研服务
2022年10月26日 · 动态光散射(Dynamic Light Scattering),简称DLS,是一种检测胶体纳米材料整体粒径分布的有效手段。 本期,我们将主要讨论DLS检测的基本原理和三个关键问题! 当激光照射到纳米粒子时会发生散射,由于溶液体系中的纳米粒子会进行布朗运动,小粒子运动快速,大颗粒运动缓慢,散射光的相位叠加,将引起光亮区域和黑暗区域的光强增加和减少,所以,得到的光散射强度是波动的。 DLS技术就是通过激光照射粒子,分析散射光的光强波动,然后计算 …