Reduced graphene oxideTernary compositesFormaldehydeGas sensorIn this paper, ternary composites composed of reduced graphene oxide (rGO), two dimension (2D) SnO2 nanosheets, and one dimension (0D) Au nanoparticles were successfully synthesized via a facile two-step approach. The rGO/SnO2/Au ...
3.1.4. XPS analysis Fig. 5A-E shows the XPS spectra of prepared SnO2-TiO2/RGO NCs. AS observed in Fig. 5A that the tin (Sn3d), titanium (Ti2p), oxygen (O 1 s), and carbon (C 1 s) elements were present in the full-scan XPS spectra in obtained SnO2-TiO2/RGO NCs. These peak...
通过改变硝酸铁的添加量即相对碳含量来调控复合材料的电磁参数从而调节其微波吸收性能 使用扫描电镜(SEM)、透射电镜(TEM)表征了材料的结构和形貌,用拉曼光谱表征了材料的内部结构缺陷和相对石墨化程度,使用X射线晶体衍射(XRD)、X射线光电子能谱(XPS)表征了材料的晶体结构和化学组成 结果表明,...
Graphene, mostly reduced graphene oxide (rGO), has been widely used to overcome the flaw of various new-type anode materials6,7,8,9,15,16,17. The ultimate electrical conductivity, ultrahigh specific surface area, and unique two-dimensional shape of graphene exert substantial effects on both the...
reduced graphene oxide‑extracted chitosan from shrimp wastes for methanol electro‑oxidation Ahmad Aryafar 1, Mehri‑Saddat Ekrami‑Kakhki 2 & Atena Naeimi 3* In this work, tin (IV) oxide (SnO2) nanoparticles were synthesized based on Amaranthus spinosus plant. ...
et al. Flexible Viologen Electrochromic Devices with Low Operational Voltages Using Reduced Graphene Oxide Electrodes. ACS Appl. Mater. Interfaces ACS 6, 14562–14567 (2014). 7. Hudaya, C., Jeon, B. J. & Lee, J. K. High thermal performance of SnO2:F thin transparent heaters with ...
Sn2+self-doped SnO2(SnO2−x) nanocrystal and SnO2−x/graphene oxide (SnO2−x/GO) composite photocatalyst were prepared by hydrothermal method and characterized by transmission electron microscope, energy dispersive X-ray, X-ray diffraction, X-ray photoelectron spectroscopy (XPS), Fourier transform...
(NFs)havebeensuccessfullysynthesizedviaacoaxialelectrospinningapproach.ThestructureandmorphologycharacteristicsoftheresultantproductswereinvestigatedbyX-raydiffraction(XRD),scanningelectronmicroscopy(SEM),transmissionelectronmicroscopy(TEM),andX-rayphotoelectronspectra(XPS).ToinvestigatethesensingmechanismoftheCS-WSNFs,...
The obtained samples are well characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), high resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), UV–vis spectroscopy, photoluminence (PL) and electrochemical impedance spectroscopy (EIS). The ...
The C1s XPS spectrum (Fig. 4c) reveals a dominant C–C (284.68 eV) peak in the graphene planes, which indicates the reduction of oxygen groups, and a C–O peak at 285.88 eV [34]. The binding energies of Sn 3d at 487.08 and 495.58 eV were attributed to Sn 3d5/2 and Sn 3d3/2...