
Untwisted restacking of two-dimensional metal-organic ... - Nature
2019年7月2日 · The untwisted Zr-BTB-FA nanosheets coated column showed significant separation performance with excellent selectivity for six groups of substituted aromatic isomers including ethylbenzene, xylene...
Zr-BTB nanosheets assist in optimizing the structure of forward …
2024年7月1日 · Oligo-layer Zr-BTB nanosheets were loaded onto the support layer surface by pumping filtration to form a nanosheet interlayer, which modulated the amine monomer attachment and diffusion behavior through spatial site resistance and interactions, resulting in a thin and dense intact separation layer.
Porous Zirconium Metal–Organic Framework Constructed from 2D …
2014年7月7日 · The Zr 6 clusters were linked by BTB ligands to generate a 2D network of kgd topology. The interpenetrations among the 2D networks gave rise to a 3D porous framework, which represents the first Zr MOF constructed from 2D → 3D interpenetration. The gas uptake and catalytic properties for 1 have also been studied.
南京师范古志远:规整堆叠的二维金属有机骨架纳米片高效选择性 …
2019年9月2日 · 通过高分辨率透射电镜(HRTEM)探究了相邻层间二维金属有机骨架纳米片(2-D MOFs nanosheets)Zr-BTB(1,3,5-三 ( 4-羧基苯基)苯)的堆叠模式,揭示了该纳米片随机堆叠的三种具有代表性的扭转角度。 简单高效的加热处理过程可以使纳米片规整堆叠,并展现出的亚纳米级孔径和层层堆叠结构;其涂覆的毛细管气相色谱柱可以高效分离取代苯结构异构体,对于间位/对位异构体的分离度不仅优于相应的扭曲堆叠纳米片柱,更优于不同极性的商业化柱。 这一发 …
Rational construction of rich coordination-unsaturated Zr-BTB ...
2023年9月1日 · Quasi-Zr-BTB@CNTs based composite microflowers with the rich unsaturated Zr-O coordination of the Zr 6 node is successfully realized as efficient sulfur redox electrocatalysts. The well-designed deligandation strategy subtly modulates the local environment and electronic structure towards enhanced chemical affinity and catalytic activity for ...
Science:机械吸附——诺奖团队攻破吸附世纪难题- X-MOL资讯
2021年10月22日 · 该团队选择了由 zr-btb组成的超薄 mof 纳米片作为嫁接 amp 的理想平台。 这种二维 MOF 由六连接的 Zr簇和羧酸盐 BTB 构成,合成过程中水的参与显著阻碍 Zr-BTB 层的堆积,导致了纳米片的形成。
Photosensitizer‐Anchored 2D MOF Nanosheets as Highly Stable …
2019年4月9日 · An ultrathin MOF nanosheet-based material, Zr-BTB (BTB = 1,3,5-tris(4-carboxyphenyl)benzene), is initially constructed by connecting Zr 6-clusters with the tritopic carboxylate linker. Surface modification of the Zr-BTB structure was realized through the attachment of porphyrin-based carboxylate ligands on the coordinatively unsaturated Zr ...
Robust In-Zr Metal–Organic Framework Nanosheets as ... - CCS …
2024年4月2日 · In/Zr-BTB nanosheets inherit the stable structure from Zr-BTB and strengthen the catalytic performance due to the introduction of highly catalytic species indium via metal-ion exchange. The thickness and areal mass loading of the modified layer are only 260 nm and 0.011 mg/cm 2, respectively.
【Zr-BTB】悬挂式质子继电器系统调节铁卟啉基金属有机框架中电 …
- 通过连续计时电流测试和结构表征(PXRD、SEM、拉曼光谱和UV-Vis吸收光谱),评估了催化剂Zr-BTB@Hemin-THBA的长期稳定性。 总结 1. 本文展示了一种基于铁卟啉的2D-MOF作为在中性pH条件下将亚硝酸盐还原为氨的高效电催化剂。 2.
南京师范大学古志远课题组JACS:客体扭矩扳手分子调控二维MOF …
2023年12月10日 · 延长苯系物侧链烷烃长度,降低纳米片极性,增强纳米片与客体分子之间的疏水相互作用,丙苯和戊苯分子诱导zr-btb-p-c 3 和zr-btb-p-c 5 纳米片层间主要形成规整堆积,规整比例分别为64.8%和93.3%。计算表明,材料中出现的角度在具有区域能量最低值,符合热力学 ...