Explanipedia

Optical phonons and strong optical nonlinearity of synthesized black phosphorene quantum dots Open

mohammad Raiszadeh Jahromi, Fatemeh Ostovari, Z. Dehghani · 2025

Here, we prepared ultra-small black phosphorene quantum dots (BPQDs) using a liquid exfoliation method involving sonication. The structural features of BPQDs have been investigated using TEM, AFM, Raman, UV-visible, PL, and FTIR analysis. …

Third-Order Nonlinear Optical Properties of Triple-Cation Perovskite Thin Films: Effects of Qd@Mof Additive in Different Laser Intensity Open

Zohreh Shadrokh, Marziyeh Nadafan, Abdulala Ali Khaleel Alrubayee, Shima Sousani, Nada Mrkyvkova , et al. · 2025

Nonlinear absorption and refraction characteristics of reduced graphene oxide/polyurethane Open

Erfan Owji, Z. Dehghani, Fatemeh Ostovari, Alireza Keshavarz · 2024

In this research, the reduced graphene oxide (rGO) was synthesized by Hummer’s method and added to polyurethane (PU/G) with different weight percentages of rGO. Then, the optical phonon modes of the prepared compounds are studied using the…

Optical Properties and Dft Studies of a Class Of Thiazolopyrimidoquinoline Derivatives Open

Tooba Tabibi, Abbas Ali Esmaeili, Soheil Sharifi, Mohammad Izadyar, Masoud Mollaee , et al. · 2024

Influence of Cr doping on the structural, optical, and third-order nonlinear optical properties of ZnAl2O4 nanoceramics Open

Marzieh Nadafan, Gh. H. Khorrami, Madjid Arab, Z. Dehghani, A. Kompany · 2023

In this research, Zn(1−x)CrxAl2O4 (x = 0.00, 0.05, 0.10, 0.20) nanoparticles were prepared by a simple and green chemistry synthesis using gelatin as a polymerization agent. X-ray diffraction technique and scanning electron microscopy imag…

Incorporation of carbon nanotubes in hole transport materials for perovskite solar cells Open

Zohreh Shadrokh, Shima Sousani, Somayeh Gholipour, M. H. Rajabi Manshadi, Z. Dehghani , et al. · 2023

Many loss processes in perovskite solar cells (PSCs) take place at interfaces. One effective mitigation strategy is introducing carbon derivatives at the interface of the charge transport layers with the halide perovskite absorber and/or w…

The influence of γ-irradiation on molecular structure and mass attenuation coefficients of γ-Al2O3 nanoparticles Open

Z. Dehghani, S. Nezamdoost, Alireza Vejdani-Noghreiyan, Marzieh Nadafan · 2023

In this research, γ-Al2O3 nanoparticles (NPs) were synthesized by using the sol–gel process. The photon attenuation properties of these NPs were obtained by measuring the linear and mass attenuation coefficients (μl, μm) at different photo…

Preparation and the Nonlinear Optical Traits of Gd-Doped Tga@Cdse Quantum Dots Via Facile Z-Scan Measurement for Optical Device Applications Open

Z. Dehghani, Hakimeh Zare, Shakila Mohammadi, Fatemeh Ostovari · 2023

Structural and Optical Coefficients Investigation of γ-Al2O3 Nanoparticles using Kramers-Kronig Relations and Z–scan Technique Open

A. Faraji Alamouti, Marzieh Nadafan, Z. Dehghani, M.H. Majles Ara, Alireza Vejdani-Noghreiyan · 2021

γ-Al2O3 nanoparticles (NPs) with a mean diameter of 60 nm were prepared through the sol–gel technique and characterized by X-ray diffraction, field emission scanning electron microscopy (FESEM), and ultraviolet–visible (UV-Vis) spectroscop…

Stannite Quaternary Cu2M(M = Ni, Co)SnS4 as Low Cost Inorganic Hole Transport Materials in Perovskite Solar Cells Open

Zohreh Shadrokh, Shima Sousani, Somayeh Gholipour, Z. Dehghani, Yaser Abdi , et al. · 2020

In this study, inorganic stannite quaternary Cu2M(M = Ni, Co)SnS4 (CMTS) is explored as a low-cost, earth abundant, environmentally friendly and chemically stable hole transport material (HTM). CMTS nanoparticles were synthesized via a fac…

Therapeutic Approaches for COVID-19 Based on the Dynamics of Interferon-mediated Immune Responses Open

Farbod Shahabi nezhad, Pouria Mosaddeghi, Manica Negahdaripour, Z. Dehghani, Mitra Farahmandnejad , et al. · 2020

As the outbreak of COVID-19 has accelerated, an urgent need for finding strategies to combat the virus is growing. Thus, gaining more knowledge on the pathogenicity mechanism of SARS-CoV-2, the causing agent of COVID-19, and its interactio…

Correction: Removal of paraquat from aqueous solutions by a bentonite modified zero-valent iron adsorbent Open

Z. Dehghani, Mohammad Sedghi-Asl, Mehrorang Ghaedi, Mohammad Mehdi Sabzehmeidani, E. Adhami · 2020

Correction for ‘Removal of paraquat from aqueous solutions by a bentonite modified zero-valent iron adsorbent’ by Zahra Dehghani et al., New J. Chem., 2020, DOI: 10.1039/d0nj02259d.

State filters in state residuated lattices Open

Z. Dehghani, Fereshteh Forouzesh · 2018

In this paper, we introduce the notions of prime state filters, obstinate state filters, and primary state filters in state residuated lattices and study some properties of them.Several characterizations of these state filters are given an…

Optical and dielectric properties of NiFe2O4 nanoparticles under different synthesized temperature Open

Marziye Parishani, Marzieh Nadafan, Z. Dehghani, Rasoul Malekfar, Gh. H. Khorrami · 2017

In this research, NiFe2O4 nanoparticles was prepared via the simple sol-gel route, using different sintering temperature. This nanoparticle was characterized via X-ray diffraction (XRD) pattern, scanning electron microscopy (SEM), and FTIR…

Assessment of nonlinear optical properties of polyurethane/MgO nanocomposites Open

Marzieh Nadafan, Rasoul Malekfar, Z. Dehghani, Mohammad Allahabadi · 2015

The third-order optical nonlinearities of polyurethane open cell (PUOC)/MgOnanocomposites, dissolved in dimethylformamide are characterized by Z-scan technique with continuous-wave (CW) Nd:YAG laser at its second harmonic frequency of 532 …

Determination of Nonlinear Optical Properties of MgO Nanoparticles Doped in Poly (Ether) Urethane Open

Marzieh Nadafan, Rasoul Malekfar, Z. Dehghani · 2015

The third-order optical nonlinearities of poly (ether) urethane open cell (PEUOC)/MgO nanocomposites, dissolved in dimethylformamide are characterized by Z-scan technique with CW Nd:YAG laser at its second harmonic frequency of 532 nm with…

Structural and optical properties of cordierite glass-ceramic doped in polyurethane matrix Open

Marzieh Nadafan, Rasoul Malekfar, Z. Dehghani · 2015

The cordierite (2Mg.2Al2O3.5SiO2) was synthesized by the Pechini method and added to polyurethane open cell (PUOC) foam in three different percentages. Fourier transform infrared spectroscopy (FTIR) was employed to evaluate the bonding cha…

Nonlinear Refractive (NLR) Index of TiO2 NPs in E5CN7 Nematic Liquid Crystal under CW Laser Illumination Open

Z. Dehghani, M.H. Majles Ara, H. Hoseinzade Saraf, Marzieh Nadafan, Nima Dalir · 2015

Nematic liquid crystals (NLCs) have proved to be excellent materials for nonlinear optics (NLO) and its applications because of their large nonresonant nonlinearity and their extended spectral transparency. The aim of this paper was to inv…

Synthesis and Analysis of Optical Properties of Cordierite Nanopowder Prepared by the Pechini Method Open

Marzieh Nadafan, Rasoul Malekfar, Z. Dehghani, Gh. H. Khorrami · 2015

In this research, the amorphous-type cordierite (2Mg.2Al2O3.5SiO2) was synthesized by the Pechini method. After calcination at 800°C, the powder was pressed to form disk pellets which were sintered at 1200, 1250 and 1300°C. The structural …

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