Luminescent Properties of LaPO<sub>4</sub>:Eu Nanoparticles and Nanowires

Yu, Li; Song, Hongwei; Lü, Shaozhe; Liu, Zhongxin; Yang, Liangbao; Kong, Xianggui

doi:10.1021/jp047688c

Cited by 151 publications

(94 citation statements)

References 31 publications

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“…7,[14][15][16][17] In our previous work, we synthesized aluminum borate nanowires ͑Al 18 B 4 O 33 ͒ in a large yield. 18,19 Aluminum borate possesses a high melting point and is stable in oxidizing environment.…”

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confidence: 99%

Characterization and photoluminescence properties of aluminum borate nanorods doped with Eu

Lin

Huang

Zhang

et al. 2006

Applied Physics Letters

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Aluminum borate (Al18B4O33) nanorods doped with Eu3+ and Eu2+ were synthesized via a simple calcination method. Both nanorods are of straight morphology and smooth surface, with the average diameter of ∼80nm. The structural and compositional characteristics have been investigated by x-ray diffraction, infrared spectra, and various microscopy techniques. A possible growth mechanism was proposed for the synthesis of the doped Al18B4O33 nanorods. Photoluminescence measurements indicate that Al18B4O33:Eu3+ nanorods exhibit emission peaks at 590, 595, 612, and 617nm, and Al18B4O33:Eu2+ nanorods display a broad green emission band centered at ∼540nm.

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confidence: 99%

Characterization and photoluminescence properties of aluminum borate nanorods doped with Eu

Lin

Huang

Zhang

et al. 2006

Applied Physics Letters

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“…We believe that it might be the error caused by equipment. The emission peaks located at 538, 556, 583, 586 and 594, 615 and 624 nm, 705 nm correspond to the transition of 5 624 nm) is most intense. The strongest emission peak at em ¼ 624 nm also confirms the formation of the oxysulphide host [27].…”

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confidence: 99%

“…The intensity of the transitions between different J levels depends on the symmetry of the local environment of the Eu 3þ activators and can be described in terms of Judd-Ofelt theory [28]. It is well known that the relative intensity of 5 is a parity-forbidden one, but when Eu 3þ ions occupy one of the C s , C 1 , C 2 , C 3 , C 4 , C 6 , C 2V , C 3V , C 4V and C 6V (i.e. C s , C n , C nV ) sites, the parity forbiddance will be partially permitted and thus a 5 D 0 !…”

Section: �mentioning

confidence: 99%

“…In recent years, rare-earth-doped nanosized phosphors have attracted much attention due to their potential application in high resolution displaying, electroluminescent devices, optical amplifiers, and biological label and unique physical properties distinctive to the corresponding bulk [1][2][3][4][5]. Among many phosphors based on rare earth compound host materials, much work has been focused on rare-earth-doped oxide, phosphate, orthovanadate, borate and fluoride [6][7][8][9][10].…”

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confidence: 99%

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Controlled synthesis of Eu³⁺-doped La₂O₂S nanophosphors by refluxing method

Liu

Zhang

et al. 2012

Journal of Experimental Nanoscience

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A novel refluxing method is presented to synthesise Eu 3þ -doped La 2 O 2 S nanocrystalline phosphors by employing lanthanum formate, europium formate and sulphur powder as reactants and triethylene tetramine with n-dodecanethiol as solvents. The sizes and morphologies of La 2 O 2 S : Eu 3þ phosphors could be controlled from nanoflakes (10 � 2 nm in thickness), micrometre vesicles (1 mm in diameter), to spherical nanocrystals (average 100 nm in diameter) by simply adjusting the solvent ratios of n-dodecanethiol to triethylene tetramine. The photoluminescence excitation and emission spectra were used to characterise the as-synthesised nanocrystalline phosphors.

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“…prepared by a hydrothermal treatment and of La 2 (WO 4 ) 3 :Eu 3? nanocrystals[59,62], but still lower than some commercial phosphors, such as Y 2 O 3 :Eu 3? with quantum efficiency of nearly 100 %[63].The combination of a series of characterization techniques has demonstrated that CaWO 4 :Eu 3?…”

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Synthesis, characterization, and enhanced luminescence of CaWO4:Eu3+/SBA-15 composites

et al. 2012

J Mater Sci

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Considering the combination of lanthanidedoped CaWO 4 nanophosphor and mesoporous matrix may contribute to superior luminescent properties, CaWO 4 : Eu 3? /SBA-15 composites were successfully synthesized in a mild condition. The physicochemical properties of the resultant composites were carefully characterized by X-ray diffraction, high-resolution transmission electron microscopy, inductive coupled plasma optical emission spectroscopy (ICP), N 2 adsorption-desorption, Fourier transform infrared spectroscopy, and luminescence spectra. It's found that the incorporation of CaWO 4 :Eu 3? showed no obvious impact on the ordered mesostructure of the host matrix SBA-15, which, however, led to a decrease of BET surface area from 836 to 187 m 2 g -1 for pure SBA-15 and CES (0.5), respectively. ICP results indicated that the real loaded amount of CaWO 4 :Eu 3? in SBA-15 host was lower than the initial molar ratios (x) of CaWO 4 :Eu 3? to SBA-15 for all samples. The maximum loaded level of CaWO 4 :Eu 3? in SBA-15 is about 27.3 %. Moreover, the real Eu 3? dopant concentration increased with the initial molar ratios (x), which showed a maximum of about 6.51 % at x = 0.25. The resultant CaWO 4 :Eu 3? /SBA-15 composites exhibited enhanced-luminescent properties than that of pure CaWO 4 :Eu 3? nanoparticles, which can be mainly attributed to the variation of Eu 3? dopant concentration and the hostprotect effect through interaction between guest molecules and host matrix. The available large surface area, pore volume, and superior luminescent properties would facilitate future applications for the composites.

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Luminescent Properties of LaPO₄:Eu Nanoparticles and Nanowires

Abstract: For Abstract see ChemInform Abstract in Full Text.

Cited by 151 publications

References 31 publications

Characterization and photoluminescence properties of aluminum borate nanorods doped with Eu

Characterization and photoluminescence properties of aluminum borate nanorods doped with Eu

Controlled synthesis of Eu³⁺-doped La₂O₂S nanophosphors by refluxing method

Synthesis, characterization, and enhanced luminescence of CaWO4:Eu3+/SBA-15 composites

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Luminescent Properties of LaPO4:Eu Nanoparticles and Nanowires

Abstract: For Abstract see ChemInform Abstract in Full Text.

Cited by 151 publications

References 31 publications

Characterization and photoluminescence properties of aluminum borate nanorods doped with Eu

Characterization and photoluminescence properties of aluminum borate nanorods doped with Eu

Controlled synthesis of Eu3+-doped La2O2S nanophosphors by refluxing method

Synthesis, characterization, and enhanced luminescence of CaWO4:Eu3+/SBA-15 composites

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Product

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Luminescent Properties of LaPO₄:Eu Nanoparticles and Nanowires

Controlled synthesis of Eu³⁺-doped La₂O₂S nanophosphors by refluxing method