The structure, morphology and composition of g-C3N4/CeO2 nanocomposites were characterized by X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), field ...

2019年9月27日 · We performed a density functional theory (DFT) study on X-ray photoelectron (XPS) and absorption (XAS) spectra of graphitic carbon nitride (g-C3N4) nanosheets at the N and C K-edges. A combined cluster-periodic approach was employed to calculate XPS spectra, in which the core ionic potential (IP) of the soli 2019 PCCP HOT Articles

g-C3N4及ZnO NP/g-C3N4复合材料的XPS谱图. (a) 全谱; (b) C 1s; (c) N 1 s; (d) Zn 2p; (e) O 1s; 《工程科学学报》 (Chinese Journal of Engineering)是由教育部主管、北京科技大学主办的学术类科技期刊，ISSN 2095-9389, CN...

In this data article, the normalized emission and excitation spectra, the ultraviolet-visible (UV-vis) absorption spectra, and the X-ray photoelectron spectroscopy (XPS) of bulk-powders and nano-structured graphitic C3N4 (g-C3N4) were presented, which are helpful to get insight into the crystal and electronic structures of g-C3N4, especially on ...

2 天之前 · The use of solar energy to convert CO2 into value-added chemicals is a promising sustainable development strategy. In this study, a black graphitic carbon nitride (CN-B) photocatalyst was fabricated through a single-step calcination process, employing phloxine B and urea as the precursor materials. The catalysts were characterized using TEM, XRD, FTIR, XPS and so on. The amount of prepolymer ...

XPS analysis was carried out to confirm the surface chemical composition and the formation of heterojunction in the SnO2/g-C3N4 sample; the result is shown in Figure 3.

通过简便的方法合成了装饰有Ag3PO4杂化体的石墨碳氮化物（g-C3N4）纳米晶体（NC）。 通过X射线衍射（XRD），X射线光电子能谱（XPS），扫描电子显微镜（SEM），透射电子显微镜（TEM）和UV-可见漫反射光谱（DRS）来表征获得的样品。

A novel CaCO3/graphitic carbon nitride (g-C3N4) photocatalyst was synthesized for the first time via a facile calcination method using CaCO3 and melamine as precursors.

A-Fe2O3 complex g-C3N4@a-Fe2O3 was successfully prepared by solvothermal method and used in optical Fenton photocatalytic process. Using experimental instruments such as XPS, XRD, DRS, TEM, FTIR, and photochemistry to characterize composite materials. According to the mechanism of the photocatalytic process, combining A-Fe2O3/H2O2 Fenton reagent with g-C3N4 photocatalyst under visible light ...

红外光谱和X光电子能谱（XPS）表征证实，EDTA-2Na在热解之后转化成一种富含吡啶N的碳材料（简称为EDTA-2Na-热解），其中吡啶N可作为CO2吸附和还原位点，更重要的是，EDTA-2Na-热解和g-C3N4之间具有良好的接触和结构兼容性，能够促进界面电荷转移。