Hydrogen Ion Irradiation Effect on the Luminescence of MoS2 Nanoflowers

The influence of low kinetic energy hydrogen ion irradiation on the chemical composition and luminescence intensity of MoS2 nanoflowers (NFs) hydrothermally synthesized is reported. X‐ray photoelectron spectroscopy (XPS) core‐level analysis of the as‐synthesized MoS2 NFs reveals the presence of the...

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Bibliographic Details
Published in:Physica status solidi. A, Applications and materials science Applications and materials science, 2023-01, Vol.220 (2), p.n/a
Main Authors: Al Youssef, Khaled, Chauvin, Adrien, Yan, Su, Li, Wenjiang, Bittencourt, Carla
Format: Article
Language:English
Subjects:
Chemical composition
Hydrogen ions
Ion irradiation
Kinetic energy
Luminescence
metallic
Molybdenum disulfide
molybdenum oxide
nanoflowers (NFs)
Photoelectrons
Photoluminescence
semi-conducting
X ray photoelectron spectroscopy
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Summary:The influence of low kinetic energy hydrogen ion irradiation on the chemical composition and luminescence intensity of MoS2 nanoflowers (NFs) hydrothermally synthesized is reported. X‐ray photoelectron spectroscopy (XPS) core‐level analysis of the as‐synthesized MoS2 NFs reveals the presence of the 2H‐MoS2 (semiconductor) crystal phase and MoOx. Furthermore, the relative amounts of oxygen and potassium decrease for increasing hydrogen ion irradiation time, whereas the photoluminescence (PL) intensity observed at 1.71 eV increased approximately three times. Chemical analysis of hydrothermally synthesized MoS2 nanoflowers (NFs) shows the presence of 2H‐MoS2 and MoOx. The NFs are irradiated using low‐kinetic energy hydrogen ions. The relative oxygen amount decreases with increasing hydrogen ion irradiation time, whereas the photoluminescence (PL) intensity observed at 1.71 eV increases approximately three times.
ISSN:1862-6300
1862-6319
DOI:10.1002/pssa.202200393