通过普通溶液法制备了双金属NiCo-ZIF-67纳米晶体,并将其作为前驱体,通过采用不同温度的高温热解得到氮掺杂双金属基碳材料.利用X射线衍射仪(XRD),场发射扫描电镜(FESEM... 张晨飞,马景灵,贾兴良,... - 《陶瓷学报》 被引量: 0发表: 2023年 构筑耦合界面提高MnO_2@Co_3O_4催化氧化甲苯性能(英文) (90%)...
🔬 要点1:作者利用Marangoni效应开发了一种简单而通用的策略,成功地完成了从3D ZIF-67到2D ZIF-L的转换。 🔬 要点2:整个转化过程分为四个阶段,在初始阶段,使用传统方法合成ZIF-67纳米立方体。 🔬 要点3:作者利用TEM、XRD和FT-IR技术对合成的纳米立方体进行了表征。 🌐 这项研究不仅展示了MOF晶体转化的...
要点一:多晶/非晶异质界面形成 本研究以ZIF-67为前驱体,室温下采用1,4-BDC作为蚀刻剂,并在制备多金属二维Fe-Ni-Co-MOF过程中引入Fe和Ni,原位生成2D Fe-Ni-Co-MOF(图1)。在活化过程中,金属离子与配体间的部分配位关系被OH-破坏,部分配体从结构中脱离,从而暴露大量金属缺陷位点。随后,在低压电场作用下,这些...
因此,1,4-BDC配体中的COO-基团能为M-OOH的反键轨道提供电子密度,形成VBM的最高能级,显著改变d态,实现对反应中间体(OH*、OOH*和O*)的吸附,优化反应自由能,进而促进OER进行。 Figure 3. Series of test results of Fe−Ni−Co...
ZIF-67 membranes synthesized on α-Al2O3-plate-supported cobalt nanosheets with amine modification for enhanced H2/CO2 permselectivity. Ind. Eng. Chem. Res. 59, 3182–3188 (2020). Article CAS Google Scholar Zhou, S. et al. Introduction of metal precursors by electrodeposition for the in ...
b XRD pattern of LDH and LDH/MWCNT nanocomposites. The scanning is conducted at ambient temperature via Cu Kα diffractor (λ = 0.154 nm). c CO2 adsorption per unit mass of LDH and LDH/MWCNT nanocomposites as a function of MWCNT content at 300 °C and 0.2 bar of CO2. ...
Ammonium perchlorate catalyzed with novel n-Al modified on ZIF-67 with silane coupling agent: Superior catalytic activity, advanced decomposition kinetics and mechanisms 2024, Ceramics International Show abstract In situ modification of ammonium perchlorate by energetic catalyst [Ni(N<inf>2</inf>H<inf...
constructed a multi-functional protective layer (ZGL) which consists of zeolitic imidazolate framework (ZIF-8) decorated graphene oxide (GO) and PVDF to regu- late the deposition behavior of Zn2+ on ultrathin Zn anode [100]. The ZIF-8 grown on GO nanosheets enhanced Zn2+ deposition...
In this nanostructure, the ZIF-67 derived Co3O4 nanosheets arrays not only served as an pseudocapacitive material, but also acted as an a hierarchical skeleton capable of rapid electron transfer for loading CoNi LDH nanosheets. The as-obtained CoNi LDH@Co3O4 electrode delivered a high specific...
ZIF-8 crystals were grew on Ti3C2Txsheet surface, forming 450 nm thick layer. Finally, the deposited dual-layered Ti3C2Tx/ZIF-8 membrane was peeled off the copper plate72. It was noticed that achieving a thinner MXene layer would weaken the membrane’s mechanical strength, making it diff...