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Структурная характеристика и анализ нанофосфоров Sr2SiO4

Структурная характеристика и анализ нанофосфоров Sr2SiO4

Кавиашрее Дасаппа / Манжунатх К

53,29 €
IVA incluido
Disponible
Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Empresa y gestión
ISBN:
9786207686155
53,29 €
IVA incluido
Disponible

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Sobre IBD

Нанофосфоры силиката стронция (Sr2SiO4) были получены методом синтеза сжиганием раствора и охарактеризованы с помощью рентгеновской дифракции, СЭМ и ТЭМ. Оптимизация структуры нанофосфоров Sr2SiO4 проводилась путем варьирования температуры, топлива и температуры прокаливания, в результате чего были получены оптимальные условия синтеза. Оптимальное состояние люминофора, синтезированного с использованием глицина в качестве топлива, прокаленного при 900° C в течение 3 часов, показало лучшую кристалличность. Оптимальные условия были использованы в дальнейшем при синтезе люминофоров Sr2SiO4:Sm3+, Sr2SiO4:Eu3+ и Sr2SiO4:Dy3+. XRD всех синтезированных люминофоров были хорошо индексированы картой JCPDS №39-1256, что соответствует орторомбической структуре. Для определения среднего размера кристаллитов использовались диаграммы Шеррера и WH-плоскости, которые оказались равными 40 нм, 43 нм и 38 нм для Sm3+, Eu3+ и Dy3+, легированных Sr2SiO4, соответственно. Был проведен детальный структурный анализ легированного Dy3+ Sr2SiO4.

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