Synthesis and luminescence properties of nanocrystalline LiF:Mg,Cu,P phosphor

Sahare, P.D.; Bakare, J.S.; Dhole, S.D.; Ingale, N.B.; Rupasov, A. A.

doi:10.1016/j.jlumin.2009.08.018

Cited by 40 publications

(21 citation statements)

References 42 publications

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“…Samples of cubic shaped nanocrystalline LiF:Mg, LiF:Cu, LiF:P and LiF:Mg, Cu, P materials were synthesized by the chemical coprecipitation method, as described earlier [7,8] and by taking MgCl 2 , Cu 2 Cl 2 CuCl 2 and NH 4 H 2 PO 4 salts for Mg 2+ , Cu + , Cu 2+ and P-impurity doping, respectively. The method of preparation is also described here briefly.…”

Section: Methodsmentioning

confidence: 99%

“…The phosphor is available commercially and marketed by different manufacturers worldwide, e.g., Chinese (GR-200), Japanese (NTL-500), Polish (MCP-N) and USA (TLD-600H and TLD-700H). Recently, Sahare and coworkers have studied the LiF:Mg, Cu, P TLD nanophosphor prepared by simple coprecipitation method and studied the effects of impurity concentrations, annealing and morphology (particle shape and size) for their applications in c-rays and mixed field dosimetry [7][8][9]. It has been found that the optical and luminescence properties of nanoparticles could be different from their bulk counterparts.…”

Section: Introductionmentioning

confidence: 99%

“…Nanocrystalline LiF samples of almost uniform shapes and sizes were chosen for this study for two reasons, firstly, any changes due to impurity(ies), valency(ies) and size(s) give more prominent changes in their optical characteristics due to their tiny sizes and quantum confinement. Secondly, absence of long range defects (due to nanosize) and absence of crystal field asymmetry (due to cubic shape) further complications could be avoided [8,34]. It was found that redox reactions take place during annealing, irradiation and readouts that affect the TL characteristics of the material.…”

Section: Introductionmentioning

confidence: 99%

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Redox reactions in Cu-activated nanocrystalline LiF TLD phosphor

Singh¹,

Sahare²

2012

Nuclear Instruments and Methods in Physics Research Section B:

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Redox reactions in Cu-activated nanocrystalline LiF TLD phosphor

Singh¹,

Sahare²

2012

Nuclear Instruments and Methods in Physics Research Section B:

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“…Nanocrystalline from borate compound has revealed that they include some outstanding characteristics such as high sensitivity and applicable to a linear dose response over a wide range of absorbed dose [4][5][6][7]. Calcium borate, CaB2O4 is one of the widely studied oxide materials because of its excellent structural and optical properties.…”

Section: Introductionmentioning

confidence: 99%

The influence of annealing temperature and heating rate on thermoluminescence properties of nanocrystalline calcium borate powder

2017

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Abstract. We have reported the influence of annealing temperature and heating rate on thermoluminescence (TL) properties of nanocrystalline calcium borate, CaB2O4, powder synthesized by solution combustion method. Powder X-ray diffraction experiments were carried out on CaB2O4 to get the crystal phase and size. The samples were annealed using the TLD oven and exposed to cobalt-60 source. TL glow curves were measured and recorded using a Harshaw model 3500 TLD reader. The crystal phase confirmed one major phase of CaB2O4 with 27 nm in size. CaB2O4 has a simple glow curve with only one and a well defined peak at around 150 °C. TL intensity was higher after annealing the material before irradiation which indicated the importance of annealing. It was found that an annealing temperature at 300 °C for one hour and the heating rate of 10 °C s -¹ was the best procedure to produce high TL intensity.

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“…NPs could be structured in various shapes and sizes such as, solid spheres, hollow spheres, nanorods, nanotube and many other types of shapes by the same method of synthesis by varying process parameters or preparing by different methods or by giving heat treatments (Sahare et al, 2010;Rani et al, 2013). It has also been found that these particles interact differently with proteins due to different shape of the 'corona' that they form.…”

Section: Introductionmentioning

confidence: 99%

Interaction of Nanoparticles in Biological Systems and their Role in Therapeutical Treatment of Tuberculosis and Cancer

Meena¹,

Singh²,

Sahare³

et al. 2014

JLA

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The kind of interactions which nanoparticles show in the biological systems is very interesting. Nanoparticles (NPs) on entering the living system immediately come in contact with proteins which serve many applications of nanoparticles including bio-signalling, therapeutics and drug delivery systems. Moreover, many inorganic oxide nanoparticles can also serve the purpose of antibacterial/antiviral by assisting in the production of reactive oxygen species (ROS). The role of nanoparticles in therapeutics is very significant and increasing day-by-day as it assures better treatment to the patient by enhancing activity of drug, improving bioavailability, flexibility in deciding route of administration and long term stability of drug resulting in better treatments of diseases. NPs such as solid lipid NPs, polymeric NPs, porous NPs, liposomes are being used for treatment of various types of diseases. Numerous carriers based drug delivery systems incorporating anti-TB drugs have been developed for target site actions. NPs encapsulating anti-cancer drugs such as doxorubicin, paclitaxel have also been developed for treatment of different types of cancers. Results of these studies give hopes to the researchers for the use of nanoparticles in the field of therapeutics. The NPs can be toxic as well as nontoxic to the biological system. Therefore, some adverse effects, such as, cytotoxicity on inhaling some kinds of nanoparticles must be kept in mind for judicious use of such systems during synthesis or during handling. The paper describes recent developments in the field by reviewing the available literature.

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Synthesis and luminescence properties of nanocrystalline LiF:Mg,Cu,P phosphor

Cited by 40 publications

References 42 publications

Redox reactions in Cu-activated nanocrystalline LiF TLD phosphor

Redox reactions in Cu-activated nanocrystalline LiF TLD phosphor

The influence of annealing temperature and heating rate on thermoluminescence properties of nanocrystalline calcium borate powder

Interaction of Nanoparticles in Biological Systems and their Role in Therapeutical Treatment of Tuberculosis and Cancer

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