Defect-assisted wavelength dependence of one photon and multiphoton absorptions in a composite nanofiber of polyvinylpyrrolidone and hexagonal boron nitride

Y Pepe, S Akkoyun, B Bozkurt, A Karatay… - Journal of Materials …, 2023 - pubs.rsc.org
Polyvinylpyrrolidone/hexagonal boron nitride (PVP/hBN) composite nanofibers were
produced by the electrospinning method at 4, 6, and 8 wt% concentration of hBN in an effort …

Investigation of the wavelength dependent nonlinear absorption mechanisms of polyvinylpyrrolidone and cadmium selenide hybrid nanofibers

Y Pepe, S Akkoyun, B Bozkurt, A Karatay, A Ates… - Optics & Laser …, 2023 - Elsevier
In this study, wavelength dependent nonlinear absorption mechanisms, nonlinear
absorption and optical limiting behaviors of electrospun polyvinylpyrrolidone/cadmium …

Effect of CdSSe nanoparticles on the structural, surface roughness, linear, and nonlinear optical parameters of polyvinyl chloride films for optoelectronic applications

TS Soliman - Physica Scripta, 2023 - iopscience.iop.org
Polyvinyl chloride (PVC) was used as a host matrix for different CdSSe nanoparticles (NPs)
concentrations. PVC-CdSSe films were prepared by the solution-cast method, and CdSSe …

Promoting the optical limiting behavior in poly (methyl methacrylate)/α-MnO2 nanocomposite films through modulation of in-gap states by metal do**

Y Pepe, E Cevik, Y Tutel, A Karatay, HE Unalan… - Materials Chemistry and …, 2023 - Elsevier
Nonlinear optical (NLO) materials are becoming increasingly popular due to their wide
range of applications in sub-bandgap photoelectric detection, photonic diodes, Q …

Wavelength dependence of the nonlinear absorption performance and optical limiting in Bi12TiO20 single crystal

Y Pepe, M Isik, A Karatay, N Gasanly, A Elmali - Journal of Luminescence, 2023 - Elsevier
In this study, the influence of excitation wavelength and input intensity on the nonlinear
absorption (NA) mechanism and optical limiting behavior of the Bi 12 TiO 20 (BTO) single …

Influence of Zn2+ do** on the nonlinear optical limiting characteristics of Bi2WO6 nanostructures for optical device applications

S Shanthi, B Vijayakumar, NAL Flower… - Materials Chemistry and …, 2023 - Elsevier
The concentration-dependent non-linear absorption and optical limiting action of Zn-doped
Bi 2 WO 6 nanostructures synthesized by co-precipitation method is reported. The …

Effects of Fe, Co, or Ni substitution for Mn on La0. 7Sr0. 3MnO3 perovskite: structural, morphological, and optical analyses

K Mabhouti, P Norouzzadeh, M Taleb-Abbasi - Journal of Non-Crystalline …, 2023 - Elsevier
In this work, lanthanum strontium-based perovskites L a 0.7 S r 0.3 BO 3 (B= Mn, Fe, Co, or
Ni) samples are successfully synthesized. Hexagonal and Rhombohedral phases in the …

Nonlinear optical absorption characteristics of PbMoO4 single crystal for optical limiter applications

Y Pepe, M Isik, A Karatay, N Gasanly, A Elmali - Optical Materials, 2022 - Elsevier
Molybdate materials take great interest due to their photocatalytic and optoelectronic
applications. In this report, PbMoO 4 single crystal, one of the member of molybdate …

One-photon absorption enhanced nonlinear absorption and optical limiting of the electrospun polyvinylpyrrolidone via excitation energy and incorporation of …

Y Pepe, S Akkoyun, B Bozkurt, A Karatay… - Journal of Materials …, 2022 - Springer
Recently, we have shown defect-assisted nonlinear absorption and optical limiting in
semiconducting polymers due to one-photon, two-photon absorption (via the sequential …

Investigation of the Defect and Intensity-Dependent Optical Limiting Performance of MnO2 Nanoparticle-Filled Polyvinylpyrrolidone Composite Nanofibers

Y Pepe, S Akkoyun, N Asci, E Cevik, Y Tutel… - ACS …, 2023 - ACS Publications
To enhance the optical limiting behavior triggered by nonlinear absorption (NA), wide-band
gap MnO2 nanoparticles were incorporated into polyvinylpyrrolidone (PVP) polymer …