Testing performance of Pr3+-doped KLuP2O7 upon UV-, synchrotron X-ray and cathode-ray excitation

Пустоваров, В. А.; Ivanovskikh, Konstantin V.; Киселев, С. А.; Trofimova, E. S.; Omelkov, Sergey; Bettinelli, Marco

doi:10.1016/j.optmat.2020.110234

Cited by 12 publications

(11 citation statements)

References 28 publications

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“…As was previously calculated in Ref. [10], for KLuP2O7:Pr 3+ d-f Stokes shift does not exceed 0.38 eV. Nevertheless, at Fig.…”

Section: Resultssupporting

confidence: 81%

“…The obtained PXRD pattern was fully compatible with ICDD Card No. 01-076-7386 [10,11]. The crystal structure of KLuP2O7 offers only one site for Lu 3+ (or Pr 3+ ) with a coordination number of 6 and point symmetry C1.…”

Section: Objects and Experiments Detailsmentioning

confidence: 99%

“…But authors supposed to find the way of positive properties modifying. Studied samples -KLuP2O7 with Pr 3+ -impurity ions have already been approved as potential convenient scintillators with appropriate emission levels of 250-300 nm fast d-f transitions with average lifetime of 15-20 ns [10]. So, electron beam and neutron flux irradiation were supposed to be one of the mechanisms to improve optical properties of these samples.…”

Section: Introductionmentioning

confidence: 99%

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Defect-related luminescence in KLuP2O7 doped with Pr3+ ions after irradiation with fast electrons and neutrons

Киселев¹,

Пустоваров²,

Petrova³

et al. 2022

8th International Congress on Energy Fluxes and Radiation Effects

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This paper reports the spectroscopic properties of praseodymium-doped phosphate, KLuP2O7doped with Pr3+ ions. Spectra of photoluminescence (PL) upon selective UV photon excitation and PL excitation spectra were measured. Recordings of luminescence spectra were done with pure samples and after irradiating with fast electrons (E = 10 MeV) using the UELR-10-10C2 linear electron accelerator in Ural Federal University and fast neutrons (E > 1 MeV) using IBR-2 reactor in Joint Institute for Nuclear Research. Pure samples demonstrate three typical channels of emission: interconfigurational d–f transitions, intraconfigurational f–f transitions and defect-related luminescence. After irradiating, significant changes of emission characteristics were observed: redistribution of interconfigurational transitions intensity and growth of defect-related luminescence bands. Several peaks are associated with phosphorus formations in crystal lattice.

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“…As was previously calculated in Ref. [10], for KLuP2O7:Pr 3+ d-f Stokes shift does not exceed 0.38 eV. Nevertheless, at Fig.…”

Section: Resultssupporting

confidence: 81%

Section: Objects and Experiments Detailsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Defect-related luminescence in KLuP2O7 doped with Pr3+ ions after irradiation with fast electrons and neutrons

Киселев¹,

Пустоваров²,

Petrova³

et al. 2022

8th International Congress on Energy Fluxes and Radiation Effects

Self Cite

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“…Lanthanide‐doped upconversion nanoparticles (UCNPs) have emerged as an important class of luminescence materials, [ 24–27 ] which are capable of converting NIR photons into UV–vis light for applications in biological imaging, multiplexing sensing, optical storage, and anti‐counterfeiting. [ 28 ] Inspired by recent studies on X‐ray scintillation and photon upconversion, [ 29–31 ] we reason that simultaneous detection of X‐ray, UV, and NIR photons could be potentially realized through combining the metal‐halide perovskite materials with UCNPs as a phototransistor. Here, we report the rational design of a perovskite/lanthanide nanotransducer that is capable of achieving efficient multiphoton NIR upconversion and X‐ray scintillation ( Figure ).…”

Section: Introductionmentioning

confidence: 99%

Broadband Detection of X‐ray, Ultraviolet, and Near‐Infrared Photons using Solution‐Processed Perovskite–Lanthanide Nanotransducers

et al. 2021

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Solution‐processed metal‐halide perovskites hold great promise in developing next‐generation low‐cost, high‐performance photodetectors. However, the weak absorption of perovskites beyond the near‐infrared spectral region posts a stringent limitation on their use for broadband photodetectors. Here, the rational design and synthesis of an upconversion nanoparticles (UCNPs)–perovskite nanotransducer are presented, namely UCNPs@mSiO2@MAPbX3 (X = Cl, Br, or I), for broadband photon detection spanning from X‐rays, UV, to NIR. It is demonstrated that, by in situ crystallization and deliberately tuning the material composition in the lanthanide core and perovskites, the nanotransducers allow for a high stability and show a wide linear response to X‐rays of various dose rates, as well as UV/NIR photons of various power densities. The findings provide an opportunity to explore the next‐generation broadband photodetectors in the field of high‐quality imaging and optoelectronic devices.

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“…Среди семейств матриц для новых сцинтилляционных материалов можно выделить фосфаты за счет их отличных химических и физических свойств, отсутствия гигроскопичности и наличия широкой запрещенной зоны энергий. Опубликовано достаточное число работ, посвященных различным фосфатам, легированным ионами Pr 3+ , рассматриваемых с точки зрения их применимости в качестве сцинтилляционных материалов: LuPO 4 [4], Sr 3 La(PO 4 ) 3 [5], K 3 Lu(PO 4 ) 2 [6], KLuP 2 O 7 [7], LiSrPO 4 [8] и другие.…”

Section: Introductionunclassified

Дефекты и перенос энергии в Sr-=SUB=-9-=/SUB=-Lu(PO-=SUB=-4-=/SUB=-)-=SUB=-7-=/SUB=-, легированном ионами Pr-=SUP=-3+-=/SUP=-

Трофимова¹,

Пустоваров²,

Зацепин³

2022

Оптика И Спектроскопия

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In this work luminescence properties of crystalline powders of Sr9Lu(PO4)7 doped with Pr3+ ions were studied upon excitation in UV range in temperature range 5-320 K. Photoluminescence spectra show intensive emission corresponding to radiative interconfigurational 5d→4f electronic transitions, weak narrow lines of intraconfigurational 4f→4f transitions as well as emission of two types of crystal lattice defects. Upon pulsed excitation, timing characteristics of emission related to the impurity center and defects were studied, as well as temperature dependence of emission yield. The processes of energy transfer between impurity center and defects are discussed.

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Testing performance of Pr3+-doped KLuP2O7 upon UV-, synchrotron X-ray and cathode-ray excitation

Cited by 12 publications

References 28 publications

Defect-related luminescence in KLuP2O7 doped with Pr3+ ions after irradiation with fast electrons and neutrons

Defect-related luminescence in KLuP2O7 doped with Pr3+ ions after irradiation with fast electrons and neutrons

Broadband Detection of X‐ray, Ultraviolet, and Near‐Infrared Photons using Solution‐Processed Perovskite–Lanthanide Nanotransducers

Дефекты и перенос энергии в Sr-=SUB=-9-=/SUB=-Lu(PO-=SUB=-4-=/SUB=-)-=SUB=-7-=/SUB=-, легированном ионами Pr-=SUP=-3+-=/SUP=-

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