Volume 15 (2024)
Volume 14 (2023)
Volume 13 (2022)
Volume 12 (2021)
Volume 11 (2020)
Volume 10 (2019)
Volume 9 (2018)
Volume 8 (2017)
Volume 7 (2016)
Volume 6 (2015)
Volume 5 (2014)
Volume 4 (2013)
Volume 3 ( 2012)
Volume 2 (2011)
Volume 1 (2010)
Composite & Ceramic Materials
Preparation, Characterization and Photocatalytic Activity studies of Ag+, Cu2+ and Sn2+-doped Li2GeTeO6 under Visible Light Irradiation

Vithal Muga; Vaishnavi Kammara; Venkataswamy Perala; Manasa Sunku; Ramaswamy Kadari; Hima Bindu Gaddameedi; Sudhakar Reddy Chandiri

Volume 13, Issue 3 , July 2022


  Doping of cations into wide bandgap semiconductors is an effective method of increasing photocatalytic activity. This work aims to find out how dopant ions like Ag+, Cu2+ and Sn2+ affect the structural, optical and photocatalytic properties of Li2GeTeO6. The parent Li2GeTeO6 (LGTO) was synthesized by ...  Read More

Synthesis, Structural and Spectroscopic analysis, Thermodynamic and Micro hardness testing of a Chalcone molecule

G. Usha; R. Vasanthi; D. Reuben Jonathan; K.S. Ezhilarasi; M. Krishna Priya

Volume 13, Issue 2 , April 2022


  A novel chalcone derivative, (2E)-3-(3, 4 dimethoxy phenyl)-1-(1-hydroxy-2 naphthyl)prop-2-en-1-one (DHNP), C21H18O4, has been synthesized from the mixture of 4-hydroxy acetophenone (0.05mol) and 4-hydroxy-3-ethoxybenzaldehyde (0.05mol)  by  Claisen-Schmidt reaction mechanism. The structural ...  Read More

Synthesis of Cu2O/Ag Composite Nanocubes with Promising Photoluminescence and Photodegradation Activity over Methylene Blue Dye

K.R. Basavalingaiah; Udayabhanu; S. Harishkumar; G. Nagaraju

Volume 10, Issue 11 , November 2019, , Pages 832-838


  Cu2O and Ag-Cu2O nanoparticles were prepared via reflux method using EDTA. From the PXRD, FTIR, UV-DRS studies the synthesized NPs were characterized. The morphologies of the prepared NPs were studied by SEM and TEM analysis. The synthesized NPs were tested for photocatalytic and photoluminescence studies. ...  Read More

Synthesis of Cu<sub>2</sub>O/Ag Composite Nanocubes with Promising Photoluminescence and Photodegradation Activity over Methylene Blue Dye

Visualization of mechanical loads with semiconductor nanocrystals 

Martin Moebius; Joerg Martin; Melinda Hartwig; Ricardo Decker; Lothar Kroll; Reinhard R. Baumann; Thomas Otto

Volume 10, Issue 6 , June 2019, , Pages 391-394


  Fibre-reinforced plastics offer excellent mechanical properties at low weight. Hence, such materials are ideally suited to reduce energy consumption and CO2 emission, e.g. in aircraft and automotive engineering, shipbuilding or in the field of renewable energies. However, in contrast to e.g. metals, ...  Read More

Visualization of mechanical loads with semiconductor nanocrystals 

Synthesis and role of co-dopants (alkaline earth divalents and halides) on the photoluminescence of Eu2+ doped BaAl2O4 phosphor

V. Ponnusamy; A. Azhagiri; R. Satheesh Kumar; M.T. Jose

Volume 10, Issue 5 , May 2019, , Pages 341-345


  Pure and Eu 2+ doped BaAl2O4 phosphors have been synthesized by simple solid state reaction technique. Synthesized BaAl2O4 samples were studied using powder X-ray diffraction analysis (XRD), Photoluminescence spectroscopy (PL), Fourier Transform - Infra Red Spectroscopy (FT-IR) and Scanning Electron ...  Read More

Synthesis and role of co-dopants (alkaline earth divalents and halides) on the photoluminescence of Eu<sup>2+</sup> doped BaAl<sub>2</sub>O<sub>4</sub> phosphor

Investigation on stability and photocatalysis of perovskites 

Yidi Wang; Pui Fai NG; Bin Fei

Volume 9, Issue 8 , August 2018, , Pages 549-552


  Hybrid organic–inorganic perovskite materials have attracted a lot of attention with their facile synthesis process and high efficiency of light absorption. However, poor stability is always a big barrier to commercial development. In this study, a new kind of organic perovskites MA0.6(AA)0.4PbBr3 ...  Read More

Investigation on stability and photocatalysis of perovskites 

Assessing the linear and planer micro-structural defects in SnO2 Nanoparticles through high resolution transmission electron microscopy (HRTEM)

Shrabani Mondal; Rashmi Madhuri; Prashant K. Sharma

Volume 8, Issue 9 , September 2017, , Pages 927-931


  This letter assesses the origin of linear and planer micro-structural defects in SnO2 nanoparticles through high resolution transmission electron microscopy (HRTEM). For the purpose, SnO2 nanoparticles of size 5-15 nm are synthesized by chemical co-precipitation followed by calcinations. In the low temperature ...  Read More

Combustion synthesis and characterization of Sm3+ and Tm3+ co-activated yttrium orthovanadate phosphate

Selepe Joel Motloung; Kamohelo George Tshabalala; Odireleng Martin Ntwaeaborwa

Volume 8, Issue 6 , June 2017, , Pages 735-740


  Samarium (Sm 3+ ) and thulium (Tm 3+ ) co-activated yttrium orthovanadatephosphate YV0.5P < sub>0.5O4: Sm 3+ , Tm 3+ powder phosphors were synthesized by solution combustion method and were annealed at 900 o C for 2 hours. The x-ray diffraction patterns confirmed that the tetragonal structure of ...  Read More

Effect of charge transfer band on luminescence properties of Yb doped Y2O3 nanoparticles

Pratik Deshmukh; S. Satapathy; Anju Ahlawat; Khemchand Sahoo; P. K. Gupta

Volume 8, Issue 4 , April 2017, , Pages 458-464


  The photoluminescence properties of Yb doped Y2O3 nanoparticles were investigated in visible region to resolve the origin of dissimilar fluorescence peaks at different excited wavelengths and to explore possible use of Yb: Y2O3 for white light emission, excited by available near UV LED. The peak observed ...  Read More

Synthesis and photoluminescence study on europium ion activated titania nanoparticle

Thoudam Nando Singhi; Thongam Gomti Devi; Shougaijam Dorendrajit Singh

Volume 8, Issue 4 , April 2017, , Pages 557-564


  Eu 3+ doped TiO2 (0.2-1at. %) is synthesized successfully by non-aqueous sol-gel technique at low temperature. They are characterized structurally and optically with the used of X-ray diffraction (XRD), UV-visible spectrophotometer, Photoluminescence (PL), microscopy (SEM) and Transmission electron microscopy ...  Read More

Chemical Networks And Photoluminescence Properties Of Carbon Nanoparticles Derived Via Sol-gel Method

Umesh Rizal; Bhabani S. Swain; Bibhu P. Swain

Volume 8, Issue 1 , January 2017, , Pages 77-81


  We have synthesized carbon nanoparticles (CNPs) via the sol-gel method using dextrose as carbon source with different concentration of ethanol. The effects of ethanol concentration (0.2 to 2.0 M) on the chemical network, electrochemical and photoluminescence properties of CNPs were examined using Fourier ...  Read More

Photoluminescence Studies Of Eu3+ Ions Doped Calcium Zinc Niobium Borotellurite Glasses

P. Rehana; O. Ravi; B. Ramesh; G.R. Dillip; C. Madhukar Reddy; S. W. Joo; B. Deva Prasad Raju

Volume 7, Issue 2 , February 2016, , Pages 170-174


  A facile melt quenching technique was employed to prepare Eu 3+ -ions doped TRZNB glasses using commercial powders through mixing the specific weights of batches. The compositions prepared were 10TeO2 + 15RO + 5ZnO + 10Nb2O5 + 59B2O3 + Eu2O3 (where R= Mg, Ca and Sr). Under 395 nm excitation wavelength, ...  Read More

Photoluminescence And Decay Properties Of Sm3+ And Dy3+ In SrAl4O7 Phosphor    

Atul N. Yerpude; Sanjay Janrao Dhoble; B. Ramesh; Borelli Deva Prasad Raju

Volume 6, Issue 12 , December 2015, , Pages 1111-1115


  In this study, Sm 3+ - and Dy 3 -doped SrAl4O7 phosphors were synthesized by combustion method. X-ray diffraction (XRD) measurement confirmed the monoclinic crystal structure of SrAl4O7. Sr-O and Al-O bonds were identified by Fourier transform infrared (FTIR) spectroscopy. Under 352 nm excitation, the ...  Read More

Correlation Between Oxygen Partial Pressure And Properties Of Pulsed Laser Deposited SnO2/Fe2O3 Composite Films

M. Chowdhury; S.K. Sharma; R.J. Chaudhary

Volume 6, Issue 10 , October 2015, , Pages 930-934


  SnO2/Fe2O3 composite thin films were deposited on quartz substrates at various oxygen partial pressures with a substrate temperature of 750 °C by pulsed laser deposition. The structural and optical properties of the deposited films were studied by X-ray diffraction (XRD), Atomic force microscopy ...  Read More

Synthesis And Characterization Of SnO2 Nanoparticles: Effect Of Hydrolysis Rate On The Optical Properties

R. Bargougui; K. Omri; A. Mhemdi; S. Ammar

Volume 6, Issue 9 , September 2015, , Pages 816-819


  Nanocrystalline SnO2 oxides particles have been successfully synthesized via polyol process using diethylene glycol (DEG) as a solvent, followed by powder thermal treatment. The general applicability of the process is shown and the advantages in terms of properties and processability are described. The ...  Read More

Swift Heavy Ion Induced Functionality In Nanocrystalline CdS Thin Films: Role Of Growth Temperature

Pragati Kumar; Nupur Saxena; Avinash Agarwal; Vinay Gupta

Volume 6, Issue 9 , September 2015, , Pages 820-827


  Influence of growth temperature on swift heavy ion (SHI) induced structural and optical functionality in CdS thin films is explored for photonic applications. Intense green emission is observed in nanocrystalline CdS thin films grown by pulsed laser deposition (PLD) at two different substrate temperatures ...  Read More

Synthesis And Optical Characterization Of Ca2PO4Cl:Tb3+ And Mn2+ Phosphor For Solid State Lighting

N. S. Kokode; V. R. Panse; S. J. Dhoble

Volume 6, Issue 7 , July 2015, , Pages 616-619


  In present work we studied the luminescence properties of Tb 3+ and Mn 2+ doped Ca2PO4Cl phosphor synthesized by wet chemical method were studied with extra heat treatment, to understand the mechanism of excitation and the corresponding emission of prepared phosphor. For the green emission, Tb 3+ ion ...  Read More

Absorption, Photoluminescence And Thermoluminescence Studies Of γ- Irradiated Pure And Eu Doped LiF phosphors

Satinder Kumar; S. P. Lochab;Ravi Kumar; Arvind K. Gathania; Ankush Vij; A. K. Sharma; R. Dogra

Volume 6, Issue 7 , July 2015, , Pages 620-627


  We synthesized single phase pure and Eu doped LiF having micro-cubical morphology by modified co-precipitation method. The complete solid solubility of Eu in LiF has been observed up to 0.04 mol% and afterwards phase segregation started. The absorption spectra of pure and Eu doped LiF revealed the formation ...  Read More

Tuning Of Optical Properties Of Glass By Embedding Silver Nanoparticles

Annu Sharma; Jyoti Rozra; Isha Saini

Volume 6, Issue 5 , May 2015, , Pages 383-390


  In the present work, effects of annealing temperature on structural and optical properties of silver-glass nanocomposites synthesized by the combined use of ion-exchange and subsequent thermal annealing in air have been investigated using Transmission electron microscopy (TEM), UV–Visible absorption ...  Read More

Synthesis And Characterization Of Optoelectronics Bromoapatite Ca5(PO4)3Br:RE3+ (RE3+ = Ce3+, Dy3+ and Eu+3 Phosphors

V. V. Shinde; S. J. Dhoble

Volume 5, Issue 12 , December 2014, , Pages 706-711


   The subject of this work is the characterization of the photoluminescence properties of RE 3+ doped bromoapatite inorganic optoelectronic phosphor material. This paper reports the luminescence properties of RE 3+ (Where RE= Ce, Dy, and Eu) doped Ca5(PO4)3Br, which has been prepared by solid state ...  Read More

Photoluminescence Properties Of Eu3+, Ce3+ Doped LaPO4 Phosphors

Niyaz Parvin Shaik; N. V. Poornachandra Rao; K. V. R. Murthy

Volume 5, Issue 12 , December 2014, , Pages 722-727


  Pure LaPO4 and LaPO4: Eu (0.5 mol %) Ce (0.5 mol %) phosphors were synthesized by the solid-state reaction method. X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), photoluminescence (PL) spectra and the particle size analysis were used to characterize ...  Read More

Iridium Organic Composite For Organic Light Emitting Devices For Lighting

H. K. Dahule; S. J. Dhoble

Volume 5, Issue 12 , December 2014, , Pages 734-741


  We have synthesized series of new phosphorescent cyclometalated iridium (III) complexes Ir(Br-DPQ)2(acac), with 2-(4-bromo-phenyl)-4-phenyl-quinoline (Br-DPQ) ligand and Ir(Cl-BrDPQ)2 (acac) with 4-chloro-2-(4-bromophenyl)-4-phenyl quinoline (Cl-BrDPQ) ligand. Synthesized complexes and ligands were characterized ...  Read More

A Review On CdSe Quantum Dots In Sensing

Pragati Malik; Jyoti Singh; Rita Kakkar

Volume 5, Issue 11 , November 2014, , Pages 612-628


  The primary aim of this review is to survey the literature on the ion sensing ability of quantum dots. Sensing of both cations and anions is important, since both play significant roles in various ecological and biological processes, which makes it important to ensure their concentration at balanced ...  Read More

Synthesis Of Tb0.7Eu0.3(acac)3 Phen Organic Polymer Complex For Display Devices

P. W. Yawalkar;S. J. Dhoble

Volume 5, Issue 11 , November 2014, , Pages 678-681


  Synthesis of volatile Eu(acac)3phen and Tb(acac)3phen complexes by solution technique were reported in this paper. The combination of Eu and Tb complexes, namely TbxEu(1-x)(acac)3phen (x=0.1,0.3,0.5,0.7,0.9) were also synthesized by maintaining stoichiometric ratio. Optical properties of these synthesized ...  Read More

Tb3+ Doped Sr2(BO3)Cl  Green Emitting Phosphor For Solid State Lighting

Vishal R. Panse; N.S. Kokode; S.J. Dhoble

Volume 5, Issue 10 , October 2014, , Pages 604-610


  In this paper we present luminescence results on Tb 3+ doped Sr2(BO3)Cl green phosphor. The vibrational properties of Sr2(BO3)Cl phosphor was studied by Fourier transform infrared spectroscopy. Photoluminescence studies have been carried out to understand the mechanism of excitation and the corresponding ...  Read More