Sintesi del titanato

Sintesi del titanato

Elson Longo / Renata da Silva Magalhães / Silvio r. teixeira

41,51 €
IVA incluido
Disponible
Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Empresa y gestión
ISBN:
9786208633578
41,51 €
IVA incluido
Disponible

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I titanati di bario (BT) e stronzio (ST) sono stati prodotti con due metodi diversi, la reazione allo stato solido (SSR), a temperature di 1150/1200°C, e l’idrotermia assistita da microonde (MAH), con diverse concentrazioni del mineralizzatore KOH (1, 3 e 6 mol/L). Il cloruro di bario/stronzio e il TiO2 in fase anatasio sono stati utilizzati come precursori nella preparazione con il metodo SSR. Per le sintesi effettuate con il metodo MAH, sono stati utilizzati gli stessi cloruri e un complesso di anatasio con perossido di idrogeno come precursore del titanio. In tutte le preparazioni sono stati ottenuti titanati, ma con risultati diversi in termini di cristallizzazione e morfologia delle particelle, che possono essere associati alle diverse concentrazioni di mineralizzante, al tipo di precursore di titanio utilizzato e all’impiego di diverse strategie di sintesi. I materiali ottenuti dai due processi sono stati caratterizzati mediante diffrattometria a raggi X (XRD), spettroscopia micro-romana (MR), spettroscopia infrarossa a trasformata di Fourier (FTIR), UV-Vis, microscopia elettronica a scansione (SEM) e, infine, sono state registrate le loro emissioni fotoluminescenti (FL).

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Otros libros del autor

  • Synteza tytanianu
    Elson Longo / Renata da Silva Magalhães / Silvio r. teixeira
    Tytaniany baru (BT) i strontu (ST) zostały wytworzone przy użyciu dwóch różnych metod, reakcji w stanie stałym (SSR), w temperaturach 1150/1200°C i hydrotermalnej wspomaganej mikrofalami (MAH), z różnymi stężeniami mineralizatora KOH (1, 3 i 6 mol/L). Chlorek baru i strontu oraz TiO2 w fazie anatazu zostały użyte jako prekursory w procesie przygotowania metodą SSR. W syntezach ...
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  • Titanat-Synthese
    Elson Longo / Renata da Silva Magalhães / Silvio r. teixeira
    Barium- (BT) und Strontiumtitanate (ST) wurden mit zwei verschiedenen Methoden hergestellt, der Festkörperreaktion (SSR) bei Temperaturen von 1150/1200°C und der mikrowellenunterstützten Hydrothermalsynthese (MAH) mit unterschiedlichen Konzentrationen des Mineralisators KOH (1, 3 und 6 mol/L). Bei der Herstellung nach der SSR-Methode wurden Barium-/Strontiumchlorid und TiO2 in ...
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  • Synthèse du titanate
    Elson Longo / Renata da Silva Magalhães / Silvio r. teixeira
    Des titanates de baryum (BT) et de strontium (ST) ont été produits à l’aide de deux méthodes différentes, la réaction à l’état solide (SSR), à des températures de 1150/1200°C, et l’hydrothermie assistée par micro-ondes (MAH), avec différentes concentrations du minéralisateur KOH (1, 3 et 6 mol/L). Le chlorure de baryum/strontium et le TiO2 en phase anatase ont été utilisés comm...
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  • Titanate synthesis
    Elson Longo / Renata da Silva Magalhães / Silvio r. teixeira
    Barium (BT) and strontium (ST) titanates were produced using two different methods, Solid State Reaction (SSR), at temperatures of 1150/1200°C, and Microwave-Assisted Hydrothermal (MAH), with different concentrations of the mineralizer KOH (1, 3 and 6 mol/L). Barium/strontium chloride and TiO2 in the anatase phase were used as precursors in the preparation by the SSR method. Fo...
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