Core–Double-Shell Fe2O3@SiO2@Jarosite Hybrid Nanoparticles Synthesized by Laser
Ablation of Turquoise in Ethanol
Posted on 2020-02-14 - 15:11
This
work highlights a facile green route for the one-step synthesis
of iron oxide core–double-shell nanoparticles (NPs) and aluminum
phosphide (AlP) nanosheets by pulsed laser ablation of the mineral
turquoise target from Nishapur in the presence of an ethanol solvent.
High-resolution transmission electron microscopy, selected-area electron
diffraction pattern, and field emission scanning electron microscopy
(FESEM) in combination with energy-dispersive X-ray mapping revealed
the formation of NPs with a typical core@double-shell structure in
which crystalline α-Fe2O3 (iron oxide)
formed the core, while SiO2 (quartz) and (K, H3O)Fe3(SO4)2(OH6) (jarosite)
participated as the inner and outer shell, respectively. However,
the application of laser ablation on the turquoise phase of the target
led to the formation of AlP nanosheets which was confirmed by the
X-ray diffraction patterns and FESEM images. Strong absorption of
the vein-ablated species in the UV region (250–360 nm) was
the characteristic feature of α-Fe2O3 and
jarosite phases, while the absorption band at 250–300 nm for
the turquoise-ablated species was related to the presence of Cu compound
species and also the α-Fe2O3 phase in
the sample. Photoluminescence emission spectra for the vein-ablated
species depicted a peak centered at 370 nm, while a peak located at
364 nm was ascribed to the turquoise-ablated species. In particular,
these hybrid NPs with high purity and stability may offer new opportunities
for bio-applications such as anticancer agents and water/wastewater
applications.
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Jalili, Mansoureh; Ghanbari, Hajar; Malekfar, Rasoul; Mousavi Masouleh, Seyed Shayan (2020). Core–Double-Shell Fe2O3@SiO2@Jarosite Hybrid Nanoparticles Synthesized by Laser
Ablation of Turquoise in Ethanol. ACS Publications. Collection. https://doi.org/10.1021/acsomega.9b03882
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AUTHORS (4)
MJ
Mansoureh Jalili
HG
Hajar Ghanbari
RM
Rasoul Malekfar
SM
Seyed Shayan Mousavi Masouleh
KEYWORDS
Jarosite Hybrid Nanoparticles SynthesizedAlPabsorptionpresenceα- Fe 2 O 3vein-ablated speciesOHnanosheetα- Fe 2 O 3 phaseCu compound speciesPhotoluminescence emission spectracoreformationselected-area electron diffraction patternUVfield emission scanning electron microscopyenergy-dispersive X-ray mappingNPjarositeFESEMHigh-resolution transmission electron microscopyturquoise-ablated speciesoxidelaser ablationX-ray diffraction patternsnmapplicationSiO 2