Redox reactions in Cu-activated nanocrystalline LiF TLD phosphor

Singh, Manveer; Sahare, P.D.

doi:10.1016/j.nimb.2012.08.003

Cited by 28 publications

(19 citation statements)

References 42 publications

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“…The technique is becoming more and more popular because of several advantages over thermoluminescence (TL) dosimetry, such as the completely optical nature of the instrumentation, possibility of online (in situ) measurements using optical ber, low power consuming LED sources for stimulation, facility of reestimation of radiation doses in case of any doubts and, over and above all, no structural changes 1 due to heating that lose its reusability, unlike in some TLD phosphor materials. [2][3][4][5] However, there is not much choice due to the paucity of commercially available OSL phosphors and the high fading in others. The OSL phosphors available are also costly due to their difficult methods of synthesis.…”

Section: Introductionmentioning

confidence: 99%

A new high sensitivity Na₂LiPO₄:Eu OSL phosphor

2015

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Section: Introductionmentioning

confidence: 99%

A new high sensitivity Na₂LiPO₄:Eu OSL phosphor

2015

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“…Also, the phenomenon of thermal destruction of centres corresponding to shallow levels or damage to the recombination centres and the electronic traps is likely to occur for very high temperatures. It is suggested that in order to better understand the decrease in the TL intensity in LiF:Mg,Cu,Ag sample, the Cu dopant and its role in the TL sensitivity is studied similar to the works of Yang et al, McKeever, Shinde et al and Singh and Sahare as well as the effect of the annealing procedure on the TL emission spectrum of this material.…”

Section: Resultsmentioning

confidence: 99%

Effect of annealing temperature and dopant concentration on the thermoluminescence sensitivity in LiF:Mg,Cu,Ag material

et al. 2018

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LiF:Mg,Cu,Ag is a new dosimetry material that is similar to LiF:Mg,Cu,P in terms of dosimetric properties. The effect of the annealing temperature in the range of 200 to 350°C on the thermoluminescence (TL) sensitivity and the glow curve structure of this material at different concentrations of silver (Ag) was investigated. It has been demonstrated that the optimum values of the annealing temperature and the Ag concentration are 240°C and 0.1 mol% for better sensitivity, respectively. The TL intensity decreases at annealing temperatures lower than 240°C or higher than 240°C, reaching a minimum at 300°C and then again increases for various Ag concentrations. It was observed that the glow curve structure altered and the area under the low temperature peak as well as the area under the main dosimetric peak decreased with increasing annealing temperature. The position of the main dosimetric peak moved in the direction of higher temperatures, but at 320 and 350°C annealing temperatures, it shifted to lower temperatures. It was also observed that the TL sensitivity could partially be recovered by a combined annealing procedure.

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“…On the other hand, according to the XRD patterns, a broad characteristic peak of PVA crystals (2θ~ 20°) existed. Characteristic peaks of LiF crystals (~39 and ~45°) corresponded to the diffraction directions of crystal surfaces of (1 1 1) and (2 0 0), respectively [33]. So the solubility of LiF crystals in the B 1/3 -PEG/ PVA with various LiF moles could be concerned from the result of XRD.…”

Section: Interactions Among Poly(vinyl Alcohol)mentioning

confidence: 98%

To immobilize polyethylene glycol-borate ester/lithium fluoride in graphene oxide/poly(vinyl alcohol) for synthesizing new polymer electrolyte membrane of lithium-ion batteries

Huang¹,

Zhang²,

Rong³

et al. 2017

Express Polym. Lett.

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Abstract. Polymer electrolyte membranes (PEMs) are potentially applicable in lithium-ion batteries with high safety, low cost and good performance. Here, to take advantages of ionic conductivity and selectivity of borate ester-functionalized small molecules as well as structural properties of polymer nanocomposite, a strategy of immobilizing as-synthesized polyethylene glycol-borate ester/lithium fluoride (B-PEG/LiF) in graphene oxide/poly(vinyl alcohol) (GO/PVA) to prepare a PEM is put forward. Chemical structure of the PEM is firstly characterized by ), lithium-ion transfer number (~0.49), and thermal (~273°C)/electrochemical (>4 V) stabilities of the PEM can be obtained, and the feasibility of PEMs applied in a lithium-ion battery is also confirmed. It is believed that such PEM is a promising candidate as a new battery separator.

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Redox reactions in Cu-activated nanocrystalline LiF TLD phosphor

Cited by 28 publications

References 42 publications

A new high sensitivity Na₂LiPO₄:Eu OSL phosphor

A new high sensitivity Na₂LiPO₄:Eu OSL phosphor

Effect of annealing temperature and dopant concentration on the thermoluminescence sensitivity in LiF:Mg,Cu,Ag material

To immobilize polyethylene glycol-borate ester/lithium fluoride in graphene oxide/poly(vinyl alcohol) for synthesizing new polymer electrolyte membrane of lithium-ion batteries

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Redox reactions in Cu-activated nanocrystalline LiF TLD phosphor

Cited by 28 publications

References 42 publications

A new high sensitivity Na2LiPO4:Eu OSL phosphor

A new high sensitivity Na2LiPO4:Eu OSL phosphor

Effect of annealing temperature and dopant concentration on the thermoluminescence sensitivity in LiF:Mg,Cu,Ag material

To immobilize polyethylene glycol-borate ester/lithium fluoride in graphene oxide/poly(vinyl alcohol) for synthesizing new polymer electrolyte membrane of lithium-ion batteries

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A new high sensitivity Na₂LiPO₄:Eu OSL phosphor

A new high sensitivity Na₂LiPO₄:Eu OSL phosphor