The 4d XPS spectra have a complicated structure (not shown) due to the strong unfilled 4f −4d hole interaction, whereas the 3d states have a weaker multiplet splitting and broader ...

We report an inverted and multilayer quantum dot light emitting diode (QLED) which boosts high efficiency by tuning energy band alignment between charge transport and light emitting layers.

2024年8月1日 · XPS is a useful technique to quantify the chemical compositions and analyse the valence states of Eu 4d and O 1 s in Eu 2 O 3 nanoparticles. The core level electronic nature and chemical state of Eu is determined by Eu 4d region of the XPS spectra.

2006年1月1日 · From XPS spectra of the Eu 3d5/2 and Eu 4d core-level regions in Eu(III) compounds (EuRh 5, EuNi 5, EuPt 5 and EuPd 5) Laubschat et al. have found, that the contribution of the divalent final-state component increases with increasing the atomic number within a same column of the Periodic Table.

Primary Peak (XPS Signal) used to measure Chemical State Spectra: Eu (4d 5/2) at 1125 eV and also Eu (3d 5/2) at 129 eV Recommended Pass Energy for Measuring Chemical State Spectrum: 50-100 eV (Produces Ag (3d 5/2 ) FWHM ~0.7 eV)

Transparent europium niobate EuNbO4 (ENOF) thin film (~100 nm) was prepared by sol-gel/spin-coating process on alumina substrates with PbZrO3 (PZ) interlayer and annealing at 1000°C. The X-ray diffraction (XRD) analyses verified the formation of the monoclinic M-EuNbO4 and tetragonal T-EuNb5O14 phases in ENO precursor and ENOF film.

Eu (2+)-activated M5 (PO4)3X (M = Ca, Sr, Ba; X = F, Cl, Br) compounds providing different alkaline-earth metal and halide ions were successfully synthesized and characterized.

2024年1月1日 · Elemental composition and valence states were confirmed using X-ray photoelectron spectroscopy (XPS). Photocatalytic activities in the visible light region (band gaps of ~2 eV) were achieved. Photocatalytic yields (up to …

2022年12月9日 · Effects of the higher Eu 3+ ions concentration on the structure and optical properties of these film specimens were investigated using X-ray diffraction, Raman spectroscopy, scanning electron microscopy, and X-ray photoelectron spectroscopy.

2021年5月5日 · The high resolution scan of XPS of Eu 3d and Dy 4d result suggests that the europium and dysprosium exist in a trivalent charge state. The energy transfer efficiency between Eu 3+ to Dy 3+ is about 83%.