General synthesis of ultrafine metal oxide/reduced graphene oxide ...
2022年1月25日 · Herein, a family of ultrafine metal oxide/reduced graphene oxide (rGO) nanocomposites are synthesized through a heterogenous nucleation and diffusion-controlled growth process for dye...
Graphene oxide and reduced graphene oxide studied by the XRD, TEM …
2014年8月1日 · The commercial and synthesised few-layer graphene oxide, prepared using oxidation reactions, and few-layer reduced graphene oxide samples were structurally and chemically investigated by the X-ray diffraction (XRD), transmission electron microscopy (TEM) and electron spectroscopy methods, i.e. X-ray photoelectron spectroscopy (XPS) and ...
A concise review on GO, rGO and metal oxide/rGO ... - ScienceDirect
2023年6月25日 · The morphological characteristics of GO and rGO can be explained using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). SEM is beneficial for the inquiry of structural morphology of the GO, rGO.
Development of a one-pot synthesis of rGO in water by ... - Nature
2024年9月27日 · For the first time, a one-pot synthesis of reduced graphene oxide (rGO) is reported avoiding the use of a post-synthesis chemical or thermal reduction of the graphene oxide that requires...
TEM images of GO and rGO. (A) GO (B) J-RGO (C) A-RGO and (D) N-RGO.
Efficient reduction of GO was performed, using cellular extracts of three algal strains. The rGO were characterized by SEM, TEM, UV-Visible spectroscopy, XRD, FTIR, Raman spectroscopy, Zeta...
Fast and fully-scalable synthesis of reduced graphene oxide - Nature
2015年5月15日 · Here, we report the synthesis of RGO by sonication-assisted oxidation of graphite in a solution of potassium permanganate and concentrated sulfuric acid followed by reduction with ascorbic acid...
In-situ transmission electron microscopy (TEM) investigation of …
2024年11月17日 · In this work, we performed in-situ transmission electron microscopy (TEM) study of rGO. The changes occurring during GO’s thermal reduction process were analyzed by exploring the selected area electron diffraction (SAED) and …
Chemical and structural properties of reduced graphene oxide
2020年11月9日 · The thinnest flakes rGO obtained using sodium borohydride reductant exhibits the largest content of vacancy, C sp3 defects and hydroxyl group accompanied by the smallest content of epoxy, carboxyl and carbonyl groups due to a mechanism of carbonyl and carboxyl group reduction to hydroxyl groups.
Comparison of the characteristic properties of reduced graphene …
In this study, an investigation on the characterization of reduced graphene oxides (rGOs) prepared from natural graphites with different graphitization degrees using Hummers method was conducted.
Extraction of excessively reduced graphene oxide from discarded …
2023年1月10日 · A high-resolution TEM micrograph of rGO indicated the presence of sheet-like a silky wave with a wrinkled and clumped structure. As confirmed by cyclic voltammetry measurement, the anodically exfoliated rGO film is potentially used as an electrode material for supercapacitors.