XRD spectra of PEI and PEI/A-HNTs nanocomposite membranes are presented in Figure 1. The XRD pattern of PEI membrane depicts a broad peak centered at 2θ = 19.3 and 29 º (see Figure 1a)...

2019年10月1日 · Polyethyleneimine (PEI) functionalized graphene oxide was synthesized and completely described by SEM, FTIR, TGA, EDX, XRD, BET and XPS analysis to identify the structure. Then, the as-prepared GO and PEI-GO was dispersed in a 40 wt% aqueous MDEA solution to obtain an amine-based nanofluid.

2022年11月4日 · In this work, the negatively charged MXene-based membrane is modified by positively charged polyethyleneimine (PEI) with various PEI:MXene ratios. The PEI-MXene is deposited on a polyacrylonitrile (PAN) substrate as a top membrane to prepare an anti-swelling composite PEI-MXene/PAN membranes with outstanding mechanical strength and stability.

2019年6月15日 · In this work, a polyethyleneimine-grafted graphene oxide (PEI-GO) hybrid material was prepared as an effective filler to improve the anticorrosion performance of waterborne epoxy coating. The successful covalent reaction between PEI and GO was confirmed by FTIR, Raman, XPS, XRD and TGA measurement.

采用超声辅助-水热法将聚乙烯亚胺（PEI）成功接枝到玉米芯生物炭表面，制备了PEI改性生物炭材料（PBC），并通过X射线衍射（XRD）、扫描电子显微镜（SEM）、比表面积分析仪和傅里叶红外光谱仪（FTIR）等方法对其表征.结果表明，虽然PEI通过C＝N、C-N和离子键与 ...

Branched polyethyleneimine (PEI) modified carbon nanoparticles (CNPs-PEI) with an average particle size of 20.1 nm were facile synthesized by hydrothermal treatment of...

2017年6月27日 · Surface-functionalized graphene oxide (GO) was prepared by reacting GO with polyethyleneimine (PEI) at room temperature. Fourier transform infrared spectroscopy indicates the preparation of PEI-decorated GO (PEI-GO) and dual roles of PEI in preparing PEI-GO.

2022年8月21日 · In XRD, the crystallization peak changes, and the β crystal peak gradually increases, which further proves that the ring-opening reaction of PEI takes place and the fluorine–ammonia bond is formed with PVDF, which verifies that …

2023年3月28日 · Polyethylenimine-grafted graphene oxide (PEI@GO) can harvest thermal energy directly from visible light and be employed as photothermal catalyst in model reactions. Furthermore, this nanocomposite used in carbon dioxide capture-and-release processes relied on photothermal regeneration.

上图所示是不同 PEI 浓度下生长得到ZnO纳米草的XRD图谱，除了来自FTO基板的衍射峰外，均与纤锌矿结构ZnO的标准图谱吻合，所有样品在34.4°的 (002)晶面衍射峰均是最强的衍射峰，其它晶面的衍射峰相比显得很微弱，表明ZnO纳米草沿着 [001]晶面择优取向生长。 声明：投稿或转载请联系GO三思（[email protected]），如需转载请注明出处，并附有原文链接，谢谢！ XRD在材料、化学、生物、地质、医药方面具有广泛运用。