, Dissolution de la quantité appropriée du sel d

». 27%, Addition de 0

, Ajout de 46,5 ml de cyclohexane

, Addition goutte à goutte de 22,5 mmol du TMOS

, Puis ajout au mélange de : 6. 50,45 ml de Triton X-100. 7. 18,8 ml d'Hexan-1-ol

, Maintien de la réaction pendant 24 heures

, Les micelles sont formées autour des nanoparticules pour empêcher leur croissance vers des tailles non visées. 10. Centrifugation pendant 30 min à une vitesse de 20000 tours/min. 11. 2 lavages : une fois par un mélange d'eau et éthanol

, Séchage à 80°C pendant 24 h

, Des poudres blanches fines sont obtenues et collectées (Figure II.4)

I. V. Chapitre, Réactivité chimique dans le système ternaire SiO2-GeO2-LaF3 à haute température

, IV.3. Réactions possibles entre les différents composés

M. Ou-ge and ). .. ,

. .. Atg,

I. .. Eds-meb,

I. .. Eds-meb,

I. .. Eds-meb,

M. Ou-ge and ). .. , IV.5. 1,5 MO2

. .. Atg,

I. .. Eds-meb,

I. .. Eds-meb,

I. .. Eds-meb,

, Discussion sur la composition en cas de 1,5 MO2

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