Nanosecond Laser Ablation of Au@LiNbO3 Core–Shell Nanoparticles in Ethanol: Properties and Application in Optoelectronic Devices

Ismail, Raid A.; Salim, Evan T.; Alwazny, Marwa S.

doi:10.1007/s11468-022-01780-y

Cited by 14 publications

(7 citation statements)

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“…Polycarbonate (PC) is a long-standing, transparent, heat-resistant, and reliable thermoplastic, and it possesses greater resistance to impact and the optical clearness. It's utilized for the sterile medical packaging and for protecting the contents from chemicals, scratches, and weathering that's an intricate procedure, in which the UV, temperature, stress and moisture changes deteriorate the polymer properties [5,6].…”

Section: Introductionmentioning

confidence: 99%

Influence of nano-hydroxyapatite particles on the mechanical and antibacterial properties of polycarbonate films

Abed,

Hameed,

Salim

2023

Mater. Res. Express

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Eco-friendly composite films of polycarbonate/nano-hydroxyapatite have been successfully prepared using the solution casting method with a concentration of (3, 5, 10 and 15% PS/PC with 1.6 n HAP). These films were characterized to study the influence of nano material on the Ultraviolet (UV)-wethering of the mechanical properties utilizing tensile test, thermal properties using lee disc, and antibacterial properties employing culture method. From the tests, it was seen that the nano hydroxyapatite has led to a decrease in the degradation and to an increase of thermal conductivity. The antibacterial studies manifested that the toxicity was severely decreased by the incorporation of nano hydroxyapatite and became highly antibacterial. The contact angle tests elucidated that the prepared films were highly hydrophobic with a hydrophobocity of 99%, which aids in the antibacterial capabilities and hence they can be used as packaging materials.

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Section: Introductionmentioning

confidence: 99%

Influence of nano-hydroxyapatite particles on the mechanical and antibacterial properties of polycarbonate films

Abed,

Hameed,

Salim

2023

Mater. Res. Express

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“…The absorption edges of the samples were determined and found to be 250, 310, 330, and 350 nm for samples prepared at 1.3, 1.6, 2, and 2.2 J cm −2 , respectively. Tauc's law for the direct bandgap energy (E g ) is used to determine the optical bandgap energy of LiNbO 3 , as indicated in the following equation [69][70][71]:…”

Section: Resultsmentioning

confidence: 99%

“…where hν is the incident light photon energy, A is a constant, and α is the absorption coefficient. The optical bandgap energy was determined by plotting (hν) 2 versus (hν) [61][62][63][64][65][66][67][68][69][70][71][72], as illustrated in figure 5(b). The extrapolation of the linear section of the curve to the (αhν) 2 = 0 point gives the bandgap energy, which is found to be in the range of (4.25-4.9) eV depending on the laser fluence.…”

Section: Resultsmentioning

confidence: 99%

Preparation of LiNbO₃ nanoparticles by green synthesis laser ablation in water

Alwazny,

Ismail,

Salim

2023

Adv. Nat. Sci: Nanosci. Nanotechnol.

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The use of LiNbO3 nanoparticles in nonlinear applications is attractive and promising. The particle size and morphology of LiNbO3 are the key parameters affecting their application. In this study, spherical nanoparticles of lithium niobate were synthesised by nanosecond Nd:YAG laser ablation in water. The polycrystalline, rhombohedral structure of the synthesised LiNbO3 nanoparticles with x-ray diffraction experiments was verified. The bandgap energy of colloidal LiNbO3 nanoparticles varied between 4.25 and 4.9 eV based on the laser fluence, according to the optical characteristics. The photoluminescence (PL) reveals that the emission peaks are centered at 293, 300, 305, and 309 nm for samples prepared at 1.3, 1.6, 2.0, and 2.2 J cm−2/pulse, respectively. The transmission electron microscope investigation confirmed the formation of spherical nanoparticles with an average size ranging from 18 to 34 nm. Raman studies on nanoparticles synthesised at various laser fluences are being conducted.

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“…In2O3 exhibits different crystalline structures, or phases, depending on its synthesis and processing conditions [5]. The most commonly observed phases are the Cubic (bixbyite) phase: which is the stable phase of In2O3 at high temperatures [6].…”

Section: Introductionmentioning

confidence: 99%

Optical Investigation of In2O3/ Quartz Nano-films Deposited at Different Laser Energies

Dua’a R. T. Alrayyes,

Ali A. Alwahib,

Makram A. Fakhri

et al. 2024

IJNeaM

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The study conducted in this research focuses on the deposition of In2O3 thin films onto quartz substrates using the pulsed laser deposition technique (PLD). The importance of this study lies in the exploration of the optical properties of these thin films under varying laser energies (1200 mJ, 1400mJ, 1600mJ, 1800 mJ, and 2000 mJ), and the subsequent determination of their energy band gaps. In the pursuit of enhancing our understanding of In2O3 thin films, this research exhibits a direct relationship between the laser energy and laser band gap. It was discovered that the energy band gap of thin In2O3 films increased due to the increase in laser energy. This phenomenon resulted in an overall blue shift from the fundamental energy gap of In2O3 thin films. The significance of this study extends to potential applications in various fields. In2O3 thin films with tunable energy band gaps can find applications in optoelectronics, photovoltaic and other emerging technologies. This research not only contributes to the fundamental understandings of thin film properties but also offers a pathway for tailoring their characteristics for specific applications, thus advancing the field of materials science and engineering.

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Nanosecond Laser Ablation of Au@LiNbO3 Core–Shell Nanoparticles in Ethanol: Properties and Application in Optoelectronic Devices

Cited by 14 publications

References 50 publications

Influence of nano-hydroxyapatite particles on the mechanical and antibacterial properties of polycarbonate films

Influence of nano-hydroxyapatite particles on the mechanical and antibacterial properties of polycarbonate films

Preparation of LiNbO₃ nanoparticles by green synthesis laser ablation in water

Optical Investigation of In2O3/ Quartz Nano-films Deposited at Different Laser Energies

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Nanosecond Laser Ablation of Au@LiNbO3 Core–Shell Nanoparticles in Ethanol: Properties and Application in Optoelectronic Devices

Cited by 14 publications

References 50 publications

Influence of nano-hydroxyapatite particles on the mechanical and antibacterial properties of polycarbonate films

Influence of nano-hydroxyapatite particles on the mechanical and antibacterial properties of polycarbonate films

Preparation of LiNbO3 nanoparticles by green synthesis laser ablation in water

Optical Investigation of In2O3/ Quartz Nano-films Deposited at Different Laser Energies

Contact Info

Product

Resources

About

Preparation of LiNbO₃ nanoparticles by green synthesis laser ablation in water