2015年2月1日 · Schematic diagram of basic principle of XRD for CNT. XRD profile of a SWCNT synthesized by arc discharge method (Ni/Y/C 0.5-0.5-99 at.%) (Top Curve). Theoretical diffraction profile...

2001年8月17日 · X-ray diffraction (XRD) studies were performed on carbon nanotubes (CNTs) with various alignment degrees synthesized by catalytic pyrolysis of ferrocene and xylene. A qualitative relationship between the peak intensities of the XRD patterns and the degrees of nanotube alignments was established.

Starch based carbon nanotubes-iron oxide (CNT-IO) and carbon nanotubes-zirconium oxide (CNT-ZO) nanocomposites (NCs) were fabricated using facile microwave irradiation technique from different...

碳纳米管是晶形碳的一种同位素异形体，从结构上为蜂巢状的一维纳米空心管，其中 C-C 原子以 sp2杂化构成共价键。 根据碳纳米管的管壁数，可分为 单壁碳纳米管 （SWCNT）和 多壁碳纳米管 （MWCNT），而根据碳纳米管的结构特征又可分为 扶手椅形 、 锯齿形 和 螺旋型 三种，其中螺旋型碳纳米管具有手性，而锯齿形和扶手椅型碳纳米管没有手性。 图1. 单壁碳纳米管和多壁碳纳米管的结构示意图. 碳纳米管重量轻，六边形结构连接完美，具有许多优异的力学性能、导电性 …

2009年6月24日 · We develop an efficient algorithm and a novel recurrence relation for computing the Debye function of carbon nanotubes. This allows the computation of the XRD profile of CNTs for arbitrary lengths in times which scales linearly with the tube length.

2022年5月1日 · Structural features of multiwalled carbon nanotubes (MWCNTs) have been analyzed quantitatively by high-energy X-ray diffraction (HE-XRD) with atomic pair distribution function (PDF) technique. It has been found that the nanotubes are mainly of scroll type and own an atomic arrangement defined on the nanometer length scale in terms of a unit ...

2021年7月13日 · 源于高度多孔石墨碳纳米纤维的长且缠结的N-CNTs具有良好的柔性、大表面积、高孔隙率、高导电性、均匀结合的杂原子和金属成分以及大量暴露的活性纳米催化位点。 所制备的纳米组件具有良好的电催化析氢和析氧反应活性以及电化学储能特性。 这种将MOF的本质与静电纺丝相结合的策略为制备N掺杂CNT基多功能膜提供了一种新颖、直接且经济高效的方法。 图1.示意图显示通过静电纺丝和原位生长MOF、热处理以及酸蚀刻制备Co/N-CNT@PCNF和N …

2021年4月7日 · In this paper, N-doped Co@C supported on CNT (N-Co@C/CNT) were prepared by in situ growth method with Co (NO 3) 2 ·6H 2 O, 2-MI, and acid-treated CNTs as basic materials. The effects of additional proportion of CNT on the microstructure, morphology, and catalytic activity for ORR were investigated.

2020年3月17日 · Figure 2 (a–c) exibits the characterestics of MWCNTs decorated with RFA-CNp via XRD, Raman spectra and TGA, accordingly; for samples decorated for various number of days as denoted by the sample...

X-ray diffraction (XRD) was used to describe the crystallinity of produced CNTs-NiZnS nanostructures, and morphological investigations were performed using field...