Optical properties of Ce3+ and Tb3+ co-doped ZnS quantum dots

NX Ca, ND Vinh, S Bharti, PM Tan, NT Hien… - Journal of Alloys and …, 2021 - Elsevier
Abstract Ce 3+ and Tb 3+ co-doped ZnS quantum dots (QDs) were synthesized using a
facile and effective wet chemical method. The effect of Tb 3+ concentration on the structure …

Acetone sensing property of ZnO quantum dots embedded on PVP

SS Nath, M Choudhury, D Chakdar, G Gope… - Sensors and Actuators B …, 2010 - Elsevier
We report synthesis of ZnO quantum dot embedded in polyvinylpyrrolidone (PVP) matrix and
its functioning as acetone sensor. The specimen is prepared via quenching technique where …

Effect of Fe doping on the structural and optical properties of ZnS macro-spheres

S Zafar, M Zubair, SM Shah, MI Khan, AA Khan… - Optik, 2022 - Elsevier
Abstract Objective Doping of ZnS by the transition metal ions has perceived considerable
attention in industrial applications in light-emitting displays and optical sensors. Herein, we …

Optical and thermogravimetric analysis of Zn1-xCuxS/PVA nanocomposite films

MB Mohamed, ZK Heiba, NG Imam - Journal of Molecular Structure, 2018 - Elsevier
Cu doped ZnS nanoparticles with cubic blend structure had been prepared successfully
through thermolysis route and then composited with poly vinyl alcohol using casting method …

Environment friendly Co/Ag@ ZnS quantum dots with high quality emission and application for selective sensing of Hg2+

U Latief, MS Khan, SU Islam, Z Khan… - Journal of Photochemistry …, 2023 - Elsevier
Mercury (Hg), being a highly toxic environmental contaminant, poses serious ecological and
health problems even at low quantities. Accurate and sensitive methods for detecting Hg 2+ …

Luminescence of copper nanoparticles

R Das, SS Nath, R Bhattacharjee - Journal of luminescence, 2011 - Elsevier
Copper nanoparticles have been prepared through the chemical reduction of cuprous ions
by ethanol. Freshly prepared colloidal solution shows an absorption band at about 296nm …

Preparation of linoleic acid capped gold nanoparticles and their spectra

R Das, SS Nath, R Bhattacharjee - Physica E: Low-dimensional Systems …, 2010 - Elsevier
Gold nanoparticles have been prepared through the chemical reduction of tetrachloroaurate
ions by ethanol with linoleic acid as a protecting layer to the nanoparticles. X-Ray diffraction …

Synthesis, characterization, and third-order nonlinear optical properties of copper quantum dots embedded in sodium borosilicate glass

J Zhong, W Xiang, H Zhao, W Zhao, G Chen… - Journal of alloys and …, 2012 - Elsevier
Copper quantum dots embedded in sodium borosilicate glass matrix were fabricated and
analyzed in terms of their structural, chemical, and optical properties. X-ray powder …

Cu2+ substituted Cr2O3 nanostructures prepared by microwave-assisted method: an investigation of its structural, morphological, optical, and dielectric properties

K Mohanapandian, SSP Kamala, P Periasamy… - Journal of Sol-Gel …, 2021 - Springer
We have reported the preparation and characterization of both pure and Cu2+ doped Cr2O3
nanoparticles with different dopant concentrations by the simple, cost-effective microwave …

Probing the local structure of dilute Cu dopants in fluorescent ZnS nanocrystals using EXAFS

B Car, S Medling, C Corrado, F Bridges, JZ Zhang - Nanoscale, 2011 - pubs.rsc.org
A local structure study of ZnS nanocrystals, doped with very low concentrations of Cu, was
carried out using the EXAFS technique to better understand how Cu substitutes into the host …