Silver Decoration of Vertically Aligned MoS-MoO Nanosheets: A Comprehensive XPS Investigation.

Materials (Basel)

Chimie des Interactions Plasma-Surface (ChIPS), Materials Institute, University of Mons, 23 Place du Parc, 7000 Mons, Belgium.

Published: June 2024

AI Article Synopsis

  • This study explores decorating vertically aligned molybdenum disulfide (MoS) nanostructures with silver nanoparticles and applying nitrogen functionalization to enhance its properties.
  • Nitrogen functionalization was performed using physical vapor deposition to introduce p-type characteristics in MoS, while silver nanoparticles formed three-dimensional structures on the surface during sputtering.
  • Characterization techniques like X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) confirmed the successful decoration and revealed that the deposition time influenced the size and distribution of the silver nanoparticles on MoS.

Article Abstract

This study investigates the simultaneous decoration of vertically aligned molybdenum disulfide nanostructure (VA-MoS) with Ag nanoparticles (NPs) and nitrogen functionalization. Nitrogen functionalization was achieved through physical vapor deposition (PVD) DC-magnetron sputtering using nitrogen as a reactive gas, aiming to induce p-type behavior in MoS. The utilization of reactive sputtering resulted in the growth of three-dimensional silver structures on the surface of MoS, promoting the formation of silver nanoparticles. A comprehensive characterization was conducted to assess surface modifications and analyze chemical and structural changes. X-ray photoelectron spectroscopy (XPS) showed the presence of silver on the MoS surface. Scanning electron microscopy (SEM) confirmed successful decoration with silver nanoparticles, showing that deposition time affects the size and distribution of the silver on the MoS surface.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11205143PMC
http://dx.doi.org/10.3390/ma17122882DOI Listing

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