2021
DOI: 10.1007/s00339-021-05139-8
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Photodetection properties of populated Fe3O4@TiO2 core–shell/Si heterojunction prepared by laser ablation in water

Abstract: In this work, we demonstrated the first study on the preparation and characterization of the populated Fe 3 O 4 @TiO 2 coreshell/Si photodetector by laser ablation in liquid. The structural and optical properties of Fe 3 O 4 nanoparticles and Fe 3 O 4 @ TiO 2 core-shell nanoparticles were studied by X-ray diffraction, transmission electron microscope, and UV-Vis absorption. X-ray diffraction findings suggest the formation of a populated crystalline Fe 3 O 4 @TiO 2 core-shell through the existence of XRD peaks … Show more

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Cited by 16 publications
(3 citation statements)
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“…These techniques, which include multiple steps and the use of strong reducing agents, are not environmentally friendly. On the other hand, pulsed laser ablation in liquid (PLAL) is another method for producing graphene due to its cleanliness, simplicity, ease of particle synthesis at the nanoscale, and strong tools for controlling the final production of the laser ablation process [15][16][17][18]. Besides, an important way to purify the particle size produced in this way is to use the newest method as in the [19].…”
Section: Introductionmentioning
confidence: 99%
“…These techniques, which include multiple steps and the use of strong reducing agents, are not environmentally friendly. On the other hand, pulsed laser ablation in liquid (PLAL) is another method for producing graphene due to its cleanliness, simplicity, ease of particle synthesis at the nanoscale, and strong tools for controlling the final production of the laser ablation process [15][16][17][18]. Besides, an important way to purify the particle size produced in this way is to use the newest method as in the [19].…”
Section: Introductionmentioning
confidence: 99%
“…In Fe 3 O 4 , the band at 301.66 cm −1 is attributed to T 1g mode. 33 In the hybrids (FBV-1, FBV-2, and FBV-3), an intense band at 823.33 cm −1 is assigned to the symmetric V–O stretching mode. 30 The band at 352.5 cm −1 is attributed to the symmetric or anti-symmetric bending modes of vanadate anion (VO 4 3− ) in Fe 3 O 4 /BiVO 4 composites.…”
Section: Resultsmentioning
confidence: 97%
“…However, the low utilization of sunlight, high photogenerated electron–hole complexation rate, and restricted bandwidth of TiO 2 , to a certain extent restrict the application scope and scale of TiO 2 . To overcome these limitations and enhance the photocatalytic activity of TiO 2 , various strategies have been employed, including single doping, codoping, defect engineering, , surface and interface engineering, , and heterostructure strategies. Among these strategies, doping has emerged as a potent method to improve the performance of TiO 2 by influencing the crystal and electronic structures of the metal and modifying the semiconductor’s band gap. Me–O–Ti linkages are generated when transition metals are doped into TiO 2 , resulting in a powerful interaction between the metal and TiO 2 .…”
Section: Introductionmentioning
confidence: 99%