所以,我们将之前的得到的材料外层包覆了一层SnO2(合成路线如 Fig. 4 所示),又对其进行了表征与测试(SEM和TEM 如 Fig. 5 所示),结果和我们预想的一样 ORR 和 MOR 活性和稳定性都大大提高了(Fig. 6)。 ▲Fig. 4 Synthesis route for CoO@NPC@SnO2 and Pt-CoO@NPC@SnO2 composites. ▲Fig. 5 SEM ima...
Synthesis of CoCu-LDH nanosheets derived from zeolitic imidazole framework-67 (ZIF-67) as an efficient adsorbent for azo dye from waste waterZIF-67CoCu-LDHMethyl orangeInteraction mechanismAdsorption capacityWith industrialization, wastewater treatment technologies have drawn huge attention and among ...
2-Methylimidazole and cobalt nitrate hexahydrate are used as starting materials to synthesis of ZIF-67 by stirred at room temperature for 0.5 h, and the morphology, crystal structure and thermal stability of samples are well characterized by powder X-ray diffraction (PXRD), scanning electron ...
一种多级孔ZIF-67材料及其合成方法.pdf,本发明公开了一种多级孔ZIF‑67材料及其合成方法。该合成方法包括如下步骤:(1)将2‑甲基咪唑溶于水中,加入N,N‑二甲基乙二胺,继续搅拌;(2)将Co(NO3)2·6H2O溶于水中,再加入步骤(1)所得溶液中,搅拌;(3)将所得产物抽滤,干
Fig.1-2SynthesisandstructurediagramoftypicalMOFsof(a)MIL-100(Fe)and(b)Uio-66 MOFs材料在多种领域内得到了广泛而积极的探究,部分也用于AOPs技术 处理废水污染物。Li等人使用简易的溶剂热法合成四种Fe基MOFs并比较其活 [60] 化PDS去除水中酸性橙7的效能,表明MOFs的去除效果跟吸附性、降解性 ...
KOH-assisted aqueous synthesis of ZIF-67 with high-yield and its derived cobalt selenide/carbon composites for high-performance Li-ion batteries Kai Xue (薛凯), Yanchun Xue (薛艳春), Jing Wang (王靖), Shuya Zhang (张...
下面实施例中所采用的zif-67的颗粒尺寸为50～100nm,内部孔道直径为1～5nm,呈菱形十二面体结构,参考文献方法(qian j.,sun f.,qin l.hydrothermal synthesis of zeolitic imidazolate framework-67(zif-67)nanocrystals[j].mater lett,2012,82(220-223))制备而成。
为了改善材料的电子电导性,最常用的方法是将碳源引入前驱体的制备工艺,并通过在惰性气体下高温热转化为无定形碳来实现原位包碳。如kang等人在(highrateperformanceofana3v2(po4)3/ccathodepreparedbypyro-synthesisforsodium-ionbatteries.)这篇文章中利用热解反应及后续烧结合成na3v2(po4)3/c材料,利用碳材料的包覆...
Rapid Room-Temperature Synthesis and Characterization of Nanocrystals of a Prototypical Zeolitic Imidazolate Framework[J] Chem Mater 2009 21 . , , : 1410-1412. [5] HUANG A S,DOU W,CARO J. Steam-Stable Zeolitic Imidazolate Framework ZIF-90 Membrane with Hydrogen Selectivity through Covalent ...
▲Fig. 4Synthesis route for CoO@NPC@SnO2and Pt-CoO@NPC@SnO2composites. ▲Fig. 5SEM images of the ZIF-67 (a and d), Co@NPC (b and e), CoO@NPC@SnO2-1(c and f); TEM images of CoO@NPC@SnO2-1 (g) and ...