Method of preparing crystalline nanometer particle
A nanoparticle and crystallization technology, applied in the field of nanoparticles, can solve problems such as low crystallinity of nanoparticles
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Embodiment 1
[0049] In an inert atmosphere, in a glove box, add each individually dehydrated trimethylamine-N-oxide (7.59 millimoles (mmol)), lauric acid (4.54 mmol), and 10 ml of deoxyhexadecane to a 50 ml 2-neck Schlenk flask. The flask was connected to a Schlenk vacuum with a column-reflux condenser assembly under nitrogen. Stir vigorously to homogenize the mixture and heat to about 100°C.
[0050] Then, about 1.01 millimoles (mmol) of iron carbonyl (Fe(CO) 5 ), the temperature of the reaction solution is about 100°C-105°C, and a momentary violent reaction occurs. The addition of the iron carbonyl was complete and the violent reaction subsided in less than 1 minute. The reaction mixture was then heated to about 120°C to about 130°C under nitrogen and maintained at this temperature for 1 hour with vigorous stirring.
[0051] Then about 0.25 mmol of cobalt carbonyl (Co 2 (CO) 8 ), turning the solution blue-purple. The temperature of the reaction mixture was rapidly heated to about ...
Embodiment 2
[0053] Trimethylamine-N-oxide (7.6 mmol), lauric acid (4.56 mmol) and 7 ml of deoxydioctyl ether were each separately dehydrated in a glove box under an inert atmosphere, into a 50 ml 2-necked Schlenk flask. The flask was connected to a Schlenk vacuum line and a column-reflux condenser assembly was connected under a nitrogen blanket. Stir vigorously to homogenize the mixture and heat to about 100°C.
[0054] Then about 1.52 mmol of iron carbonyl (Fe(CO) 5 ), the temperature of the reaction solution is about 100°C-105°C, and a momentary violent reaction occurs. The addition of the iron carbonyl was complete and the violent reaction subsided in less than 1 minute. The reaction mixture was then heated to about 120°C to about 130°C under nitrogen and maintained at this temperature for 1 hour with vigorous stirring.
[0055] Then about 0.38 mmol of manganese carbonyl Mn was added to the reaction mixture 2 (CO) 10 . The temperature of the reaction mixture was rapidly increased...
Embodiment 3
[0057] Trimethylamine-N-oxide (7.60 mmol), lauric acid (4.56 mmol) and 7 ml of deoxydioctyl ether, each individually dehydrated and deoxygenated, were added to a 50 ml 2-necked Schlenk flask under an inert atmosphere. The flask was connected to a Schlenk vacuum line and a column-reflux condenser assembly under a nitrogen blanket. Stir vigorously to homogenize the mixture and heat to about 100°C.
[0058] Then about 1.52 mmol of iron carbonyl (Fe(CO) 5 ), the temperature of the reaction solution is about 100°C-105°C, and a momentary violent reaction occurs. The addition of the iron carbonyl was complete and the violent reaction subsided in less than 1 minute. The reaction mixture was then heated to about 120°C to about 130°C under nitrogen and maintained at this temperature for 1 hour with vigorous stirring.
[0059] Then about 0.76 mmol of iron carbonyl (Fe(CO) 5 ). The temperature of the reaction mixture was rapidly increased to about 300°C and the reaction mixture was r...
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