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  • Royal Society of Chemistry (RSC)  (5)
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  • Royal Society of Chemistry (RSC)  (5)
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  • 1
    Online Resource
    Online Resource
    Effect of Sb 2 Se on phase change characteristics of Ge 2 Sb 2 Te 5
    Royal Society of Chemistry (RSC) ; 2015
    In:  CrystEngComm Vol. 17, No. 26 ( 2015), p. 4871-4876
    Details
    In: CrystEngComm, Royal Society of Chemistry (RSC), Vol. 17, No. 26 ( 2015), p. 4871-4876
    Type of Medium: Online Resource
    ISSN: 1466-8033
    URL: Article
    DOI: 10.1039/C5CE00656B
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2015
    detail.hit.zdb_id: 2025075-7
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  • 2
    Online Resource
    Online Resource
    Correction: Achieving highly thermostable red emission in singly Mn 2+ -doped BaXP 2 O 7 (X = Mg/Zn) via self-reduction
    Royal Society of Chemistry (RSC) ; 2023
    In:  Inorganic Chemistry Frontiers Vol. 10, No. 1 ( 2023), p. 336-336
    Details
    In: Inorganic Chemistry Frontiers, Royal Society of Chemistry (RSC), Vol. 10, No. 1 ( 2023), p. 336-336
    Abstract: Correction for ‘Achieving highly thermostable red emission in singly Mn 2+ -doped BaXP 2 O 7 (X = Mg/Zn) via self-reduction’ by Song Li et al. , Inorg. Chem. Front. , 2022, 9 , 3224–3232, https://doi.org/10.1039/D2QI00539E.
    Type of Medium: Online Resource
    ISSN: 2052-1553
    URL: Article
    DOI: 10.1039/D2QI90092K
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2023
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  • 3
    Online Resource
    Online Resource
    Self-reduction-induced BaMgP 2 O 7 :Eu 2+/3+ : a multi-stimuli-responsive phosphor for X-ray detection, anti-counterfeiting and optical thermometry
    Royal Society of Chemistry (RSC) ; 2022
    In:  Dalton Transactions Vol. 51, No. 17 ( 2022), p. 6622-6630
    Details
    In: Dalton Transactions, Royal Society of Chemistry (RSC), Vol. 51, No. 17 ( 2022), p. 6622-6630
    Abstract: Mixed-valence Eu 2+/3+ -activated phosphors have attracted wide attention due to their excellent luminescence tunability. Steady control of the Eu 2+ /Eu 3+ ratio is the key to achieving reproducible Eu 2+/3+ co-doped materials. In this work, BaMgP 2 O 7 : x Eu 2+/3+ (BMPO:Eu, x = 0.001–0.20) was successfully prepared by the traditional solid-state method in air. Eu 3+ undergoes selective self-reduction at Ba 2+ sites surrounded by a [P 2 O 7 ] framework, leading to quantitive Eu 2+ /Eu 3+ . The phosphors exhibit a blue-violet emission band at ∼410 nm due to 5d–4f transitions of Eu 2+ and a group of red emission peaks from 5 D 0 – 7 F J of Eu 3+ . Controllable multicolor emissions are realized by regulating the Eu content and excitations. A linear response of overall luminescence intensity to irradiation dose makes the phosphor appropriate for X-ray detection. The combination of UV-blue excitation-dependent color evolution and X-ray luminescence qualifies the phosphors with great potential for multi-level anti-counterfeiting. In addition, Eu 3+ presents abnormal anti-thermal quenching, so that the fluorescence intensity ratio (FIR) of Eu 2+ /Eu 3+ changes in the temperature range of 300–520 K, suggesting a promising application in optical thermometry. Therefore, selectively partial self-reduction in a multi-cationic host is an effective strategy to design mixed-valence co-doped materials, providing a multiplicity of applications.
    Type of Medium: Online Resource
    ISSN: 1477-9226 , 1477-9234
    URL: Article
    DOI: 10.1039/D1DT04301C
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2022
    detail.hit.zdb_id: 1472887-4
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  • 4
    Online Resource
    Online Resource
    Achieving highly thermostable red emission in singly Mn 2+ -doped BaXP 2 O 7 (X = Mg/Zn) via self-reduction
    Royal Society of Chemistry (RSC) ; 2022
    In:  Inorganic Chemistry Frontiers Vol. 9, No. 13 ( 2022), p. 3224-3232
    Details
    In: Inorganic Chemistry Frontiers, Royal Society of Chemistry (RSC), Vol. 9, No. 13 ( 2022), p. 3224-3232
    Abstract: Non-rare earth doped red phosphors are attracting wide attention for warm-white lighting and indoor plant cultivation applications. Mn 2+ -doped phosphors have good spectral tunability and great potential to generate red emissions with comparable spectral profiles to commercial materials but with poor thermal resistance. Herein, two kinds of Mn 2+ -doped BaXP 2 O 7 (X = Mg/Zn) red-emitting phosphors are produced via self-reduction in air. The XPS, EPR, and optical spectroscopy measurements confirm the stabilization of manganese in the divalent state Mn 2+ . The BaMgP 2 O 7 :Mn 2+ (BMPO:Mn 2+ ) phosphor has an emission band at around 620 nm, matching well with the photopic spectral luminous efficiency curve. BaZnP 2 O 7 :Mn 2+ (BZPO:Mn 2+ ) exhibits a deep-red broad emission at about 670 nm, which overlaps with the chlorophyll and phytochrome absorption peaks. To realize the Mn 4+ → Mn 2+ self-reduction, intrinsic defects are generated, which serve as charge traps to compensate for the nonradiative loss at elevated temperatures. As a result, both phosphors exhibit anti-thermal quenching (anti-TQ) behaviors within 200 °C, and even at 250 °C, BMPO:Mn 2+ and BZPO:Mn 2+ retain 108% and 101% of the initial luminescence intensity at room temperature, respectively. Anti-TQ is rarely observed in singly Mn 2+ -doped phosphors. The self-reduction strategy in a rigid matrix lattice provides an effective way to improve the thermal stability of Mn 2+ -luminescence. The spectral compatibility and high thermal resistance of the pyrophosphate phosphors highlight their promising applications in warm-white LED or plant growth lighting.
    Type of Medium: Online Resource
    ISSN: 2052-1553
    URL: Article
    DOI: 10.1039/D2QI00539E
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2022
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  • 5
    Online Resource
    Online Resource
    General strategy for ATiO 3 (A = Ca, Sr, or Ba) submicrospheres with large surface area and its photocatalytic applications
    Royal Society of Chemistry (RSC) ; 2022
    In:  CrystEngComm Vol. 24, No. 37 ( 2022), p. 6534-6545
    Details
    In: CrystEngComm, Royal Society of Chemistry (RSC), Vol. 24, No. 37 ( 2022), p. 6534-6545
    Abstract: Porous CaTiO 3 solid submicrospheres and SrTiO 3 and BaTiO 3 hollow submicrospheres, which have large surface areas (40.21 to 228.18 m 2 g −1 ) and uniform particle sizes, have been synthesized by a self-template assisted hydrothermal method with glucose as an additive. The results showed that the crystalline phase and morphology of ATiO 3 were significantly influenced by the addition of glucose. Samples with irregular morphology and weak crystallinity were obtained without glucose as the reactant. The underlying formation mechanism of SrTiO 3 and BaTiO 3 hollow submicrospheres in the presence of glucose was manifested by XRD, SEM and TEM to involve Sr 2+ , Ba 2+ , and OH − ion diffusion, reactions and Ostwald ripening, while the formation of CaTiO 3 solid submicrospheres has a different growth mechanism during the hydrothermal process, that is, only diffusion–crystallization, without Ostwald ripening. The obtained porous SrTiO 3 hollow spheres show the highest photocatalytic performance on methylene blue, which may be related to the combined effects of surface area, band gap and interfacial charge transfer.
    Type of Medium: Online Resource
    ISSN: 1466-8033
    URL: Article
    DOI: 10.1039/D2CE00875K
    Language: English
    Publisher: Royal Society of Chemistry (RSC)
    Publication Date: 2022
    detail.hit.zdb_id: 2025075-7
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