New UVA‐emitting BaAlBO3F2:Eu2+ phosphor with PL and TL properties for phototherapy lamp

Kunghatkar, R. G.; Dhoble, S.J.; Hemne, P. S.

doi:10.1002/bio.3136

Cited by 8 publications

(2 citation statements)

References 44 publications

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“…UVA1‐emitting borates (SrB 4 O 7 :Eu, SrLiB 4 O 15 :Eu, CeMgB 5 O 10 :Gd, GdBO 3 :Pr, LaB 3 O 6 :Ce,Bi, LaB 3 O 6 :Ce, BaAlBO 3 F 2 :Eu 2+ and Ba 2 B 5 O 9 Cl:Eu); alumino fluoride (LiCaAlF 6 :Eu) and sulfate (CaSO 4 :Eu) are prepared in the context of the above‐mentioned applications.…”

Section: Rare Earth Elements Used For Phototherapy Lamp Phosphor Matementioning

confidence: 99%

Phosphor for phototherapy: Review on psoriasis

Hemne¹,

Kunghatkar

Dhoble

et al. 2017

Luminescence

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We review developments in the field of phototherapy in terms of the treatment wavelength, dosimetry and phosphor used for different dermatoses. We attempt to categorize skin lesions and diseases by morphology, focusing on conditions that can be treated using phototherapy and photochemotherapy. Recent research and review articles are studied, the treatments explained and information on phototherapy that is applicable to psoriasis and other diseases is tabulated. The clinical features, epidemiology, epitalogy and various types of psoriasis, together with the therapies available to treat them are reported. Needs-based research has been carried out on narrow and broad band UVB wavelength-emitting phosphors and psoralen combined with UVA (PUVA) depending upon the disease undergoing treatment. Somewhat detailed descriptions of the different types of therapies used in the treatment of psoriasis are given. Phototherapy is shown to be a good therapeutic option for various types of skin diseases. The use of natural therapy has diminished as more people move towards artificial phototherapy like narrow band UVB, broad band UVB, PUVA and targeted phototherapy. The main advantages of these treatments are that they are safe and reduce erythema following treatment. Regarding safety issue the targated phototherapy pay more attention towards researcher.

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Section: Rare Earth Elements Used For Phototherapy Lamp Phosphor Matementioning

confidence: 99%

Phosphor for phototherapy: Review on psoriasis

Hemne¹,

Kunghatkar

Dhoble

et al. 2017

Luminescence

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“…The aluminate SrYAl 3 O 7 is the type of phosphor used in this study. Some reports have described that materials have photoluminescence (PL) and thermoluminescence (TL) properties when doping with same dopant . A Eu 3+ ‐doped SrYAl 3 O 7 phosphor displayed excellent TL properties when irradiated using γ‐rays from a 60 Co source.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and luminescence study of Eu³⁺‐doped SrYAl₃O₇ phosphor

Kadam

Dhoble

2019

Luminescence

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Rare-earth ions play an important role in eco-friendly solid-state lighting for the lighting industry. In the present study we were interested in Eu 3+ ion-doped inorganic phosphors for near ultraviolet (UV) excited light-emitting diode (LED) applications.Eu 3+ ion-activated SrYAl 3 O 7 phosphors were prepared using a solution combustion route at 550°C. Photoluminescence characterization of SrYAl 3 O 7 :Eu 3+ phosphors showed a 612 nm emission peak in the red region of the spectrum due to the 5 D 0 → 7 F 2 transition of Eu 3+ ions under excitation at 395 nm in the near-UV region and at the 466 nm blue excitation wavelength. These red and blue emissions are supported for white light generation for LED lighting. Structure, bonding between each element of the sample and morphology of the sample were analysed using X-ray diffraction (XRD) and scanning electron microscopy (SEM), which showed that the samples were crystallized in a well known structure. The phosphor was irradiated with a 60 Co-γ (gamma) source at a dose rate of 7.2 kGy/h. Thermoluminescence (TL) studies of these Eu 3+ -doped SrYAl 3 O 7 phosphors were performed using a Nucleonix TL 1009I TL reader. Trapping parameters of this phosphor such as activation energy (E), order of kinetics (b) and frequency factor (s) were calculated using Chen's peak shape method, the initial rise method and Ilich's method.

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