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)
ZnO Quantum Dots For Biomedical Applications

Sunita Gulia;Rita Kakkar

Volume 4, Issue 12 , December 2013, , Pages 876-887


  Quantum dots (QDs), highly luminescent semiconductor nanocrystals, have found extensive applications in different fields, ranging from optoelectronic to bio-imaging. Numerous applications are emerging daily. Among these, ZnO QDs have higher biological significance because of their relative non-toxicity. ...  Read More

Thermoluminescence Glow Curve Analysis Of Eu3+ Activated CaWO4 Phosphor

K. V. Dabre;S. J. Dhoble

Volume 4, Issue 12 , December 2013, , Pages 921-926


  In this work we report the synthesis of CaWO4 pure and doped by various concentration of Eu 3+ by solid state method. Crystallinity and formation of as-synthesized phosphors were confirmed by XRD technique. PL emission of the Eu 3+ activated as-synthesized phosphors shows the strong red emission at 619 ...  Read More

Trivalent Rare Earth Activated SrCaAl2O5 Phosphor For White Light-emtting Diode

A.N. Yerpude;S.J. Dhoble

Volume 4, Issue 10 , October 2013, , Pages 792-796


  Eu 3+ , Dy 3+ activated SrCaAl2O5 phosphor were synthesized by the combustion method at 550°C. The prepared phosphor characterized by X-ray diffraction and photoluminescence measurements. The photoluminescence study of Eu 3+ doped phosphor shows that the intensity of electric dipole transition ( ...  Read More

Spectroscopic Analysis Of Ag Nanoparticles Embedded In Glass

Jyoti Rozra; Isha Saini; Sanjeev Aggarwal; Annu Sharma

Volume 4, Issue 8 , August 2013, , Pages 598-604


  Structural and optical properties of Ag-glass nanocomposite, synthesized by the combined use of vacuum deposition method and subsequent thermal annealing have been studied using UV-Visible absorption spectroscopy, Field emission scanning electron microscopy (FE-SEM) along with Energy dispersive analysis ...  Read More

Thermal Analysis And Luminescent Properties Of Sr2CeO4 blue phosphor

Pradip Z. Zambare; K. V. R. Murthy;O. H. Mahajan; K. D. Girase

Volume 4, Issue 7 , July 2013, , Pages 577-581


  In this paper we report Strontium Cerium Oxide (Sr2CeO4) blue phosphor was synthesized via solid state reaction method using strontium carbonate SrCO3 and cerium oxide CeO2 as raw materials. The samples were characterized by Thermo analytical techniques (TG, DTA, DTG and DSC) in nitrogen atmosphere, ...  Read More

A Convenient Route To Synthesize Hexagonal Pillar Shaped ZnO nanoneedles Via CTAB Surfactant

K. Kaviyarasu; Prem Anand Devarajan

Volume 4, Issue 7 , July 2013, , Pages 582-585


  In this work we report the successful formation of hexagonal pillar shaped ZnO nanoneedles with high yield and by using simple cheap method with CTAB as the surfactant. SEM and TEM microscopic observation revealed that the ZnO nanorods were smooth and uniform throughout their length and the functional ...  Read More

Effect Of Electron Beam Irradiation On Photoluminescence Properties Of Thioglycolic Acid (TGA) Capped CdTe Nanoparticles

Chethan Pai S; L. M. Kukreja;Ganesh Sanjeev; M. P. Joshi; S Raj Mohan; T. S. Dhami; Jayakrishna Khatei; K S Koteshwar Rao

Volume 4, Issue 6 , June 2013, , Pages 454-457


  Irradiation effects of 8 MeV electrons on photoluminescence properties of thioglycolic acid (TGA) capped CdTe quantum Dots (QD) are presented. Steady-state and time-resolved photoluminescence (PL) spectroscopy were used for anlayzing PL properties of both irradiated and unirradiated quantum dots. The ...  Read More

Characterization and Photoluminescence Of Sr2CeO4: Eu+3, La+3

Ch. Atchyutha Rao; Poornachandra Rao V. Nannapaneni; K. V. R. Murthy

Volume 4, Issue 3 , March 2013, , Pages 207-212


  In this paper we report the synthesis and luminescence of strontium cerium oxide (Sr2CeO4:Eu 3+ (0.5mol%),La 3+ (0.5mol%) prepared by solid state reaction method in air at 12000C.These samples were characterized by X-ray diffraction, scanning electron microscope (SEM) and photoluminescence (PL) techniques, ...  Read More

Synthesis, Structural And Optical Properties Of TiO2-ZrO2 nanocomposite By Hydrothermal Method 

Laxmi J. Tomar; B.S. Chakrabarty

Volume 4, Issue 1 , January 2013, , Pages 64-67


  A series of TiO2-ZrO2 mixed oxide samples with various ZrO2-TiO2 content (10, 30, 40, 60, 70 and 90 mol %) were prepared by hydrothermal method. These nanocomposites were characterized by XRD, SEM, UV-vis spectroscopy and Photoluminescence spectroscopy. XRD data identified Anatase and Rutile phases in ...  Read More

Spectroscopic Characterization Of Dichloro-DPQ With PMMA And PS Blended Films 

S. B. Raut; S. J. Dhoble;R. G. Atram

Volume 3, Issue 4 , September 2012, , Pages 334-339


  For the application in organic light-emitting diodes, the efficient new derivative of 2, 4-diphenyl quinoline i.e., 2(2’,4’-dichloro phenyl)-4-phenyl quinoline (dichloro-DPQ) has been synthesized by Friedlander condensation at 140°C. Blended films of dichloro-DPQ with poly (methyl methacrylate) ...  Read More

Combustion synthesis of X3.5Mg0.5Si3O8Cl4 (X3.5 = Sr,Ba):Eu2+ blue emitting phosphors

N.S. Dhoble; V.B. Pawade; S.J. Dhoble

Volume 2, Issue 5 , November 2011, , Pages 327-330


  Eu 2+ luminescence in novel Sr3.5Mg0.5Si3O8Cl4 and Ba3.5Mg0.5Si3O8Cl4 phosphors is reported in this paper. These were synthesized by combustion method at 550 o C furnace temperature. The prepared phosphors shows PL emission spectra at 445 nm, due to 4f 6 5d 1 → 4f 7 transition of Eu 2+ ions by monitoring ...  Read More

One step synthesis and X-ray induced luminescence in RGB PDP phosphors

J.G. Mahakhode; S.J. Dhoble; S.V. Moharil

Volume 2, Issue 5 , November 2011, , Pages 331-335


  One step combustion synthesis of preparation of plasma display panel (PDP) phosphors for X-ray induced luminescence is reported. The prepared phosphors were characterized by XRD, PL and X-ray excited luminescence (XEL) techniques. Phosphors emitting three primary colors have been be prepared by using ...  Read More

Eu3+ and Dy3+ activated Sr2V2O7 phosphor for solid-state lighting

Roshani Singh; S.J. Dhoble

Volume 2, Issue 5 , November 2011, , Pages 341-344


  Eu 3+ and Dy 3+ doped strontium vanadium oxide (Sr2V2O7) phosphor has been successfully synthesized using solid state diffusion method and characterized by XRD as well as photoluminescence (PL) measurements. The PL emission of Eu 3+ ion was observed in Sr2V2O7 phosphor at 593 nm and 618 nm in orange ...  Read More

Ce3+ and Eu3+ activtated Na2Sr2Al2PO4F9 nanophosphor

S.J. Dhoble; K.N. Shinde

Volume 2, Issue 5 , November 2011, , Pages 349-353


  A halophosphate based nanophosphor has been synthesized by wet chemical method. XRD confirms the preparation of nanophosphor and this article presents the luminescence properties of Ce 3+ and Eu 3+ activated Na2Sr2Al2PO4F9 under UV/NUV excitation. The photoluminescence spectrum comprises of a main peak ...  Read More

Lasing characteristics of ZnO nanosheet excited by ultraviolet laser beam

Kota Okazaki; Kazuki Kubo; Tetsuya Shimogaki; Daisuke Nakamura; Mitsuhiro Higashihata; Tatsuo Okada

Volume 2, Issue 5 , November 2011, , Pages 354-357


  The lasing characteristics of ZnO nanosheets were investigated for an application to ultraviolet laser diode. ZnO nanosheets were synthesized on a silicon substrate by a CVD method, and then those ZnO nanosheets were examined by a photoluminescence method with a third-harmonic Nd:YAG laser (355 nm, 5 ...  Read More

Novel phosphors of ALaLiWO6:Dy3+ (A = Sr2+ And Ba2+) for white light applications

Parag Nimishe; S.J. Dhoble

Volume 2, Issue 5 , November 2011, , Pages 358-361


  In this paper we report the synthesis and luminescence of Dy 3+ activated tungstates of the type ALaLiWO6 (where A = alkaline earth metals Sr and Ba), prepared by solid state diffusion reaction method. These novel luminescent tungstate materials were characterized by X-ray diffraction, scanning electron ...  Read More

Photoluminescence studies of trichloro-DPQ organic phosphor

S.B. Raut; S.J. Dhoble; R.G. Atram

Volume 2, Issue 5 , November 2011, , Pages 373-376


  A new blue emitting material containing quinoline is designed, synthesized and characterized. The material has been prepared by well-known reaction such as Friedlander condensation reaction at 140 °C. The blended thin films of Trichloro-DPQ with poly (methyl methacrylate) (PMMA) at different weight ...  Read More

Optical properties of MAl12O19:Eu (M = Ca, Ba, Sr) nanophosphors

Abhay D. Deshmukh; S. J. Dhoble; N.S. Dhoble

Volume 2, Issue 1 , March 2011, , Pages 38-42


  The MAl12O19:Eu (M = Ca, Ba, Sr) phosphor were synthesized by combustion method and systematically characterized by photoluminescence excitation and emission spectra, concentration quenching, morphology and X-ray mapping with scanning electron microscopy. In SrAl12O19:Eu phosphor two PL emission peaks ...  Read More

Influence Of Li+ Doping On Photoluminescence Properties Of Sr5(PO4)3F:Eu3+

K. N. Shinde;S. J. Dhoble

Volume 1, Issue 3 , December 2010, , Pages 254-258


  In this article, the influence of lithium co-doped on Sr5(PO4)3F:Eu 3+ halophosphate based phosphor reported. The Sr5(PO4)3F:Eu 3+ and Sr5(PO4)3F:Eu 3+ , Li + phosphors were prepared by combustion synthesis route using urea as the fuel. The phosphors were characterized by X-ray diffraction (XRD) and ...  Read More

Synthesis, Characterization And Optical Properties Of Nanosized CdS Hollow Spheres

Radheshyam Rai; Seema Sharma

Volume 1, Issue 3 , December 2010, , Pages 269-273


  In the present paper, we synthesized the CdS hollow spheres by using PMMA sphere templates of 298-301 nm diameters and 20-51 nm of shell thickness. A CdS hollow sphere was characterized by X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), optical absorption and photoluminescence technique. ...  Read More