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Caracterização estrutural e análise de nanofósforos de Sr2SiO4

Caracterização estrutural e análise de nanofósforos de Sr2SiO4

Kavyashree Dasappa / Manjunath C

53,29 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Empresa y gestión
ISBN:
9786207686148
53,29 €
IVA incluido
Disponible

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Sobre IBD

Os nanofósforos de silicato de estrôncio (Sr2SiO4) foram preparados pelo método de síntese de combustão em solução e caracterizados por difração de raios X, SEM e TEM. A otimização estrutural dos nanofósforos de Sr2SiO4 foi feita através da variação da temperatura, do combustível e da temperatura de calcinação e a síntese foi obtida. A condição óptima para o fósforo sintetizado utilizando glicina como combustível, calcinada a 900° C durante 3 horas, apresentou uma melhor cristalinidade. A condição óptima foi utilizada posteriormente na síntese dos fósforos Sr2SiO4:Sm3+, Sr2SiO4:Eu3+ e Sr2SiO4:Dy3+. O XRD de todos os fósforos sintetizados foi bem indexado com o cartão JCPDS n.º 39-1256 que corresponde à estrutura ortorrômbica. Os gráficos de Scherrer e WH foram utilizados para determinar o tamanho médio dos cristais, tendo-se verificado que era de cerca de 40 nm, 43 nm e 38 nm para o Sr2SiO4 dopado com Sm3+, Eu3+ e Dy3+, respetivamente. Foi efectuada uma análise estrutural detalhada do Sr2SiO4 dopado com Dy3+.

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Otros libros del autor

  • Caratterizzazione strutturale e analisi di nanofosfori Sr2SiO4
    Kavyashree Dasappa / Manjunath C
    I nanofosfori di silicato di stronzio (Sr2SiO4) sono stati preparati con il metodo della sintesi per combustione in soluzione e sono stati caratterizzati mediante diffrazione di raggi X, SEM e TEM. L’ottimizzazione strutturale dei nanofosfori Sr2SiO4 è stata effettuata variando la temperatura, il combustibile e la temperatura di calcinazione e per la sintesi è stata ottenuta. L...
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  • Strukturelle Charakterisierung und Analyse von Sr2SiO4-Nanophosphoren
    Kavyashree Dasappa / Manjunath C
    Strontiumsilikat-Nanophosphore (Sr2SiO4) wurden durch Lösungsverbrennungssynthese hergestellt und durch Röntgenbeugung, SEM und TEM charakterisiert. Die strukturelle Optimierung der Sr2SiO4-Nanophosphore erfolgte durch Variation der Temperatur, des Brennstoffs und der Kalzinierungstemperatur und wurde für die Synthese erzielt. Die optimale Bedingung für den mit Glycin als Brenn...
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  • Caractérisation structurale et analyse des nanophosphores Sr2SiO4
    Kavyashree Dasappa / Manjunath C
    Des nanophosphores de silicate de strontium (Sr2SiO4) ont été préparés par la méthode de synthèse par combustion en solution et ont été caractérisés par diffraction des rayons X, SEM et TEM. L’optimisation structurelle des nanophosphores Sr2SiO4 a été réalisée en faisant varier la température, le combustible et la température de calcination. La condition optimale pour le phosph...
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