Silver nanoparticle-rare earth doped fluorescent material composite system for modulating solar spectrum and preparation method thereof
A solar spectrum and system technology, applied in luminescent materials, chemical instruments and methods, photovoltaic power generation, etc., can solve the problems of narrow absorption bandwidth, weak luminous intensity, and difficulty in practical application, and achieve low cost, enhanced luminous intensity, and preparation technology. simple effect
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[0029] Ag NPs-NaBaPO for Modulating the Solar Spectrum 4 : Ce 3+ , Er 3+ The preparation method of composite system, comprises the steps:
[0030] 1) Preparation of NaBaPO by high temperature solid phase method 4 : Ce 3+ , Er 3+ Phosphor powder
[0031] 1-1) Raw material weighing: Weigh BaCO according to the molar ratio (total 2 mmol) 3 (analytical pure) (0.3081 g), Na 2 CO 3 (analytical pure) (0.106 g), (NH 4 ) 2 HPO 4 (analytical pure) (0.2641 g), CeO 2 (99.99%) powder (0.0034 g) and Er 2 o 3(99.99%) powder (0.0096 g);
[0032] 1-2) Grinding: Grind the raw materials fully in an agate mortar, and add appropriate amount of alcohol in time to make the raw materials mix more fully;
[0033] 1-3) High-temperature calcination: place the ground mixture in a muffle furnace, and calcine at a high temperature of 750-850˚C for 5.5-6.5 h in an air atmosphere;
[0034] 1-4) Sample collection: After the high temperature calcination is completed and naturally cooled to roo...
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