4.7 Article

Solid-state synthesis of Nd-doped glass: thermal collapse of Nd3+-incorporated NaY zeolites

期刊

INORGANIC CHEMISTRY FRONTIERS
卷 4, 期 1, 页码 183-190

出版社

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6qi00428h

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资金

  1. Shanghai Committee of Science and Technology [13ZR1429300]
  2. Shanghai Rising-star Program (B-type) [15QB1402300]
  3. Shanghai International Science and Technology Cooperation Project [14520720500]
  4. Minhang District Project [2016MH195]

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A solid-state synthesis of Nd-doped glass (NDG) in the acquisition aspect from the thermal collapse of Nd3+ ion-exchanged NaY zeolites has been conducted through experiments. The idea of rational design of the perfect NDG has been proven to be conceptually and practically feasible. The solid-synthesis method in comparison with the traditional molten-salt method has potential advantages of achieving perfect distribution, i.e., Nd3+ can be well-dispersed in the zeolite precursor and the final solid-state glass. The phase transformation from the Nd3+-exchanged zeolite NaY to Nd-doped glass was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and differential scanning calorimetry (DSC), describing the migration and constraint of Nd3+ ions in the solid-state synthesis process. The fluorescence properties of the solid-state synthesized Nd-doped glass were also examined, and the results show that there is an optimized Nd3+ concentration associated with effective photoluminescence. The strategy of the solid-state process is possible to be applied to the synthesis of other functional glassy materials.

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