Synthesis, characterisation and optical properties of nanocrystalline Y2O3–Eu3+dispersed in a silica matrix by a deposition–precipitation method

2003 ◽  
Vol 13 (12) ◽  
pp. 3079-3084 ◽  
Author(s):  
Carla Cannas ◽  
Mariano Casu ◽  
Marina Mainas ◽  
Anna Musinu ◽  
Giorgio Piccaluga ◽  
...  
Keyword(s):  
Optical Properties ◽  
Silica Matrix ◽  
Precipitation Method

Effect of Gd doping on structural, surface and optical properties of ZnS prepared by chemical precipitation method

Optik ◽  
2017 ◽  
Vol 136 ◽  
pp. 259-264 ◽  
Author(s):  
Manivannan N. ◽  
Chandar Shekar B. ◽  
Senthil Kumaran C.K. ◽  
Sathyamoorthy R.
Keyword(s):  
Optical Properties ◽  
Chemical Precipitation ◽  
Chemical Precipitation Method ◽  
Precipitation Method ◽  
Structural Surface

Synthesis of mesoporous Fe-Mn bimetal oxide nanocomposite by aeration co-precipitation method: Physicochemical, structural, and optical properties

2019 ◽  
Vol 224 ◽  
pp. 65-72 ◽  
Author(s):  
Hadi Eslami ◽  
Mohammad Hassan Ehrampoush ◽  
Abbas Esmaeili ◽  
Ali Asghar Ebrahimi ◽  
Mohammad Taghi Ghaneian ◽  
...  
Keyword(s):  
Optical Properties ◽  
Precipitation Method ◽  
Structural And Optical Properties ◽  
Co Precipitation

scholarly journals Impact of Magneto-optical Properties Depending on the Orientation in the Plane of Cobalt Ferrite Locked in a Silica Matrix

2021 ◽  
pp. 46-50
Author(s):  
Nandiguim Lamaï ◽  
Désiré Allassem ◽  
Alexis Mouangué Nanimina ◽  
Djimako Bongo ◽  
Togdjim Jonas
Keyword(s):  
Optical Properties ◽  
Faraday Effect ◽  
Cobalt Ferrite ◽  
Magnetic Moments ◽  
Silica Matrix ◽  
Preferential Orientation ◽  
Solid Matrix ◽  
Magnetic Orientation

In this work, we discuss the magneto-optical properties according to the orientation of 15nm-sized cobalt ferrite blocked in a silica matrix in comparison to the study done on 20nm-sized cobalt ferrite. This measurement shows that it is possible to increase the remanence of the Faraday effect by creating a magnetic orientation in the solid matrix, which is interesting for the production of self-polarized components. In addition, this remanence is greater for 15 nm than for 20 nm.A gelation field applied perpendicular to the plane of the layer therefore produces a preferential orientation of the magnetic moments in the direction of the field applied during the measurement.

Study on Photodynamic Therapy for HL60 Cells Inactivation by Visible Light-Induced Fe-Doped Nano-TiO2 under Magnetic Field

2010 ◽  
Vol 152-153 ◽  
pp. 136-143
Author(s):  
Yu Ying Xiong ◽  
Cui Fen Liang ◽  
Hua Xiao ◽  
Jian Wen Xiong
Keyword(s):  
Magnetic Field ◽  
Optical Properties ◽  
Photodynamic Therapy ◽  
Leukemic Cells ◽  
Precipitation Method ◽  
Doping Content ◽  
Fe Doping ◽  
Nano Tio2 ◽  
Doped Tio2 ◽  
Tio2 Particles

Fe-doped TiO2 was prepared by a homogenous precipitation method and characterized by XRD, UV-Vis DRS. The structure and the optical properties of nano-TiO2 with different Fe doping content were studied, as well as the effect and the possible mechanics of different intensity of TiO2 particles, Fe-doped nano-TiO2 particles on the activity of HL60 leukemic cells. The influence on the activity of cells exposures in light compared with un-exposure also be analysed. As the photo sensitizers, TiO2 and Fe-doped TiO2 particles eliminated tumor cell using photodynamic therapy(PDT)under magnetic field.

Synthesis, Luminescence and Optical Properties of a CaMoO4 Nano-Powder Prepared by Using the Precipitation Method

2019 ◽  
Vol 75 (7) ◽  
pp. 534-540
Author(s):  
Sujita Karki ◽  
Pabitra Aryal ◽  
Daehoon Ha ◽  
Hong Joo Kim ◽  
Hyang Kyu Park ◽  
...  
Keyword(s):  
Optical Properties ◽  
Precipitation Method ◽  
Nano Powder

scholarly journals Synthesis conditions influencing formation of MAPbBr3 perovskite nanoparticles prepared by the ligand-assisted precipitation method

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Anna Jancik Prochazkova ◽  
Markus Clark Scharber ◽  
Cigdem Yumusak ◽  
Ján Jančík ◽  
Jiří Másilko ◽  
...  
Keyword(s):  
Optical Properties ◽  
Colloidal Stability ◽  
Precursor Solution ◽  
Solvent System ◽  
Precipitation Method ◽  
Colloidal Solutions ◽  
Capping Agents ◽  
Synthesis Conditions ◽  
Perovskite Nanoparticles ◽  
Selection Of

Abstract This work reports on an optimized procedure to synthesize methylammonium bromide perovskite nanoparticles. The ligand-assisted precipitation synthetic pathway for preparing nanoparticles is a cost-effective and promising method due to its ease of scalability, affordable equipment requirements and convenient operational temperatures. Nevertheless, there are several parameters that influence the resulting optical properties of the final nanomaterials. Here, the influence of the choice of solvent system, capping agents, temperature during precipitation and ratios of precursor chemicals is described, among other factors. Moreover, the colloidal stability and stability of the precursor solution is studied. All of the above-mentioned parameters were observed to strongly affect the resulting optical properties of the colloidal solutions. Various solvents, dispersion media, and selection of capping agents affected the formation of the perovskite structure, and thus qualitative and quantitative optimization of the synthetic procedure conditions resulted in nanoparticles of different dimensions and optical properties. The emission maxima of the nanoparticles were in the 508–519 nm range due to quantum confinement, as confirmed by transmission electron microscopy. This detailed study allows the selection of the best optimal conditions when using the ligand-assisted precipitation method as a powerful tool to fine-tune nanostructured perovskite features targeted for specific applications.

Optical properties of Rh6G:C337 dye mixture in the sol-gel silica matrix

2004 ◽  
Vol 39 (12) ◽  
pp. 4017-4019 ◽  
Author(s):  
Dae Wook Choi ◽  
Chun Woo Lim ◽  
Sang Ho Sohn
Keyword(s):  
Optical Properties ◽  
Sol Gel ◽  
Silica Matrix
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