Figure 1. TEM images of the NaErF4:Tm (a), LDNPs (b), LDNPs-PVP (c) and LDNPs@Fe/Mn-ZIF-8 (d). Elemental mapping images of LDNPs@Fe/Mn-ZIF-8 (e). XRD patterns of the as-synthesized LDNPs and LDNPs...
The XRD diffraction peak after calcination of ZIF-8 can be attributed to wurtzite ZnO (JCPDS No. 36–1415). The (100), (102), (101) diffraction Conclusions In summary, ZnO@CeO2 heterojunction materials were successfully prepared by hydrothermal method. ZnO@CeO2-1 min shows excellent ...
备了多孔碳-铁(F e/C)复合材料,并用于电化学催化合成氨.利用X R D,S E M等手段对其进行了表 征,再在H型电解池中电解2h测试其催化合成氨的性能.结果表明:在相对于可逆氢电极电势为 -0.2V下,氨产率达到38.2μg㊃h-1㊃m g-1,法拉第效率(F E)达到2.06%,说明了Z I F-8衍生多 孔碳-铁复合...
合成路线如图1 所示,首先根据常规的方法制备出 ZIF-8,将其预碳化之后与一定量的钨酸铵水浴加热搅拌、烘干、控温碳化生成 (WC)/W24O68/NCZ8材料,最后,用硼氢化钠还原法负载5.0wt.%的 Pt。所得样品的 XRD 如图2 所示,结果显示材...
2a. The diffraction peaks of (1 1 1), (2 2 0), (3 1 1), (2 2 2), (4 0 0), (4 2 2), (5 1 1), and (4 4 0) located at 18.30, 30.12, 35.46, 37.05, 43.05, 53.42, 56.97, and 62.54° on MCSB belong to the highly crystalline Fe3O4 (JCPDS No.19–0629) [24],...
ZnO@ZIF-8作锂离子电池负极材料的电化学性能研究
In Fig. 3B the positions of the sharp peaks below 2θ = 10° (8.89°) reported data (JCPDS 50-0304)84. could be ascribed to cubic phase H3PW12O40, and were indexed to the Figure 5 shows elemental surveys by X-ray photoelectron spectroscopy (XPS), which showed the ...
谁能提供一下ZIF-8的XRD标准谱图或者是对应的PDF标准卡片，最好是txt格式的文件，Thank you。Email：...
大侠求到了吗？ ZIF-8的能否发给我一份呢？
ZIF-8/C60复合物衍生非金属电催化剂的制备方法 本专利技术属于电化学领域,尤其涉及一种电解水析氧催化剂材料的制备方法,具体涉及一种ZIF-8/C60复合物衍生非金属电催化剂的制备方法。 技术介绍 随着能源危机和环境问题的日益突出,开发清洁、无污染的新型可再生能源成为当今社会被广泛关注的热点问题。氢气由于其能量密度...