In this work, large-scale three-dimensional "flake-ball" microarchitectures of Eu3+ doped white light hydroxyl sodium yttrium tungstate were prepared by the well-known hydrothermal approach at 180 degrees C for 48 h in the presence of triblock-copolymer poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol) (P123). NaY-(WO4)(2):E3+ phosphor was formed by annealing the hydrothermal product at similar to 630 degrees C for 2 h. A time-dependent microstructure evolution study was performed under hydrothermal reaction. The evolution process is the self-assembly process of P123, and the effects of other reaction parameters, such as influence of the concentration of P123 on morphology, and the influence of temperature on PL. The mechanism by which the "flake-ball" particles are formed is discussed in detail. The PL spectra of Eu3+-doped hydroxyl sodium yttrium tungstate phosphor contain two parts: the broad blue-green band and the D-5(0) -> F-7(J) (J = 1, and 2) characteristic transition of Eu3+. This approach provides a facile route for the production of high-quality hydroxyl sodium yttrium tungstate microstructures with an interesting optical property.
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Anna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Univ Aveiro, Dept Phys, I3N Aveiro, P-3810193 Aveiro, PortugalAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Durairajan, A.
Balaji, D.
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Anna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, IndiaAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Balaji, D.
Rasu, K. Kavi
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Anna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, IndiaAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Rasu, K. Kavi
Babu, S. Moorthy
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Anna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, IndiaAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Babu, S. Moorthy
Hayakawa, Y.
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Shizuoka Univ, Elect Res Inst, Hamamatsu, Shizuoka 4328011, JapanAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Hayakawa, Y.
Valente, M. A.
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Univ Aveiro, Dept Phys, I3N Aveiro, P-3810193 Aveiro, PortugalAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
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Univ Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, BrazilUniv Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, Brazil
Cunha, Cesar S.
Malta, Oscar L.
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Univ Fed Pernambuco, Dept Quim Fundamental, BR-50670901 Recife, PE, BrazilUniv Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, Brazil
Malta, Oscar L.
Terraschke, Huayna
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Christian Albrechts Univ Kiel, Inst Anorgan Chem, Max Eyth Str 2, D-24118 Kiel, GermanyUniv Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, Brazil
Terraschke, Huayna
Brito, Hermi F.
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Univ Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, BrazilUniv Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, Brazil
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Anna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Univ Aveiro, Dept Phys, I3N Aveiro, P-3810193 Aveiro, PortugalAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Durairajan, A.
Balaji, D.
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Anna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, IndiaAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Balaji, D.
Rasu, K. Kavi
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Anna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, IndiaAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Rasu, K. Kavi
Babu, S. Moorthy
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Anna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, IndiaAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Babu, S. Moorthy
Hayakawa, Y.
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Shizuoka Univ, Elect Res Inst, Hamamatsu, Shizuoka 4328011, JapanAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
Hayakawa, Y.
Valente, M. A.
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Univ Aveiro, Dept Phys, I3N Aveiro, P-3810193 Aveiro, PortugalAnna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
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Univ Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, BrazilUniv Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, Brazil
Cunha, Cesar S.
Malta, Oscar L.
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Univ Fed Pernambuco, Dept Quim Fundamental, BR-50670901 Recife, PE, BrazilUniv Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, Brazil
Malta, Oscar L.
Terraschke, Huayna
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机构:
Christian Albrechts Univ Kiel, Inst Anorgan Chem, Max Eyth Str 2, D-24118 Kiel, GermanyUniv Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, Brazil
Terraschke, Huayna
Brito, Hermi F.
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Univ Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, BrazilUniv Sao Paulo, Inst Quim, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, Brazil