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Meeting Materials Science & Technology 2020
Symposium Ceramic and Crystal Materials for Optics and Photonics
Presentation Title Nano-phosphor Materials Synthesized by Novel Soft Chemistry, Water-assisted Solid-state Reaction Method
Author(s) Kenji Toda, Dae-Ho Yoon
On-Site Speaker (Planned) Kenji Toda
Abstract Scope We disclose a novel low temperature synthetic technique (water-assisted solid state reaction (WASSR)) for the nano-phosphor materials. The WASSR method is a very simple and can synthesize the nano phosphor materials just by mixing or storing of raw materials with a small amount of water at low temperature (below 573 K). Typical particle sizes (under 20 nm) of the samples prepared by the WASSR method were smaller than that (1 - 10 micrometer size) of the sample prepared by the conventional solid-state reaction method. For example, a stoichiometric mixture of CsCl and PbCl2 was mixed for the WASSR synthesis of perovskite CsPbCl3 quantum dot phosphor. Then, a small amount (10 wt%) of water was added to the mixture and mixed using mortar for 1 min to synthesize a single phase of CsPbCl3. The XRD pattern of the products are in good agreement with that of single phase CsPbCl3.
Proceedings Inclusion? Undecided


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Nano-phosphor Materials Synthesized by Novel Soft Chemistry, Water-assisted Solid-state Reaction Method
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