Restructuring of titanium oxide overlayers over nickel nanoparticles during catalysis

M Monai, K Jenkinson, AEM Melcherts, JN Louwen… - Science, 2023 - science.org
Reducible supports can affect the performance of metal catalysts by the formation of
suboxide overlayers upon reduction, a process referred to as the strong metal–support …

Peak-fitting of Cu 2p photoemission spectra in Cu0, Cu1+, and Cu2+ oxides: a method for discriminating Cu0 from Cu1+

JA Torres-Ochoa, D Cabrera-German… - Applied Surface …, 2023 - Elsevier
The photoemission spectra of Cu 2p are one of the most studied. Its analysis is especially
challenging because, among others, the peaks for Cu 0 and Cu 1+ overlap, and Cu 1+ and …

Introductory guide to backgrounds in XPS spectra and their impact on determining peak intensities

MH Engelhard, DR Baer, A Herrera-Gomez… - Journal of Vacuum …, 2020 - pubs.aip.org
Photoelectron and Auger peaks are central to most of the important uses of x-ray
photoelectron spectroscopy (XPS), and thus, they receive the most attention in many types of …

Degradation mechanism of silver metal deposited on lead halide perovskites

S Svanstrom, TJ Jacobsson, G Boschloo… - … applied materials & …, 2020 - ACS Publications
Lead halide perovskite solar cells have significantly increased in both efficiency and stability
over the last decade. An important aspect of their long-term stability is the reaction between …

X-ray stability and degradation mechanism of lead halide perovskites and lead halides

S Svanström, AG Fernández, T Sloboda… - Physical Chemistry …, 2021 - pubs.rsc.org
Lead halide perovskites have become a leading material in the field of emerging
photovoltaics and optoelectronics. Significant progress has been achieved in improving the …

Practical methods for background subtraction in photoemission spectra

A Herrera‐Gomez, M Bravo‐Sanchez… - Surface and …, 2014 - Wiley Online Library
The active approach for background modeling is described in this report. Under this
technique, the background is assessed during the optimization of the peak parameters. In …

Accurate peak fitting and subsequent quantitative composition analysis of the spectrum of Co 2p obtained with Al Kα radiation: I: cobalt spinel

D Cabrera‐German, G Gomez‐Sosa… - Surface and …, 2016 - Wiley Online Library
Employing state‐of‐the‐art and practical peak‐fitting and background modeling methods
(active approach), we obtained high quality fitting of the photoemission spectrum of Co 2p in …

Interface Energy Alignment between Lead Halide Perovskite Single Crystals and TIPS-Pentacene

A García-Fernández, B Kammlander, S Riva… - Inorganic …, 2023 - ACS Publications
At present, there is a huge development in optoelectronic applications using lead halide
perovskites. Considering that device performance is largely governed by the transport of …

Assessing the chemical state of chemically deposited copper sulfide: A quantitative analysis of the X-ray photoelectron spectra of the amorphous-to-covellite transition …

D Cabrera-German, JA García-Valenzuela… - Applied Surface …, 2019 - Elsevier
Precise determination of the chemical composition and structure of copper sulfides is
important to understand the different phase properties. To contribute in this matter, a set of …

Quantification of the sulfidation extent of Mo in CoMo HDS catalyst through XPS

M Bravo-Sanchez, A Romero-Galarza, J Ramírez… - Applied Surface …, 2019 - Elsevier
Background removal in X-ray photoelectron spectroscopy (XPS) spectra was carried out in
Cosingle bondMo hydrodesulfurization (HDS) catalysts supported alumina using traditional …