Please, could anyone provide detailed references on mechanisms and processes of growing nanocrystalline structures in thin films using soft chemical routes in general and sol gel process in particular ? Thanks in adavance for help.
Dear Lyes,
In spin coating process to deposit thin films the most important deposition parameters are:
The substrate temperature, normally room temperature in spin coating,
The size of the fine particles suspended in the solution. For nano thin film the particles must be small in the nanometer size, the density of suspension and the viscosity of the solvent.
Finally , the spinning speed.
All this will affect the thickness of the film and its homogeneity.
The post annealing serve to reinforce the bond of the grains with the substrate.
It can lead to the coalitions of the grains with each other to build larger grains.
Best wishes
Dear Lyes
What is the specific material you want to grow nanocrystalline thin films?
Thanks Wuhua Wang for your interest to my question.
The material I want to synthetise is an inorganic scintillator based on lanthanum orhtophosphates doped with rare earths using sol gel spin coating.
Dear Lyes,
In spin coating process to deposit thin films the most important deposition parameters are:
The substrate temperature, normally room temperature in spin coating,
The size of the fine particles suspended in the solution. For nano thin film the particles must be small in the nanometer size, the density of suspension and the viscosity of the solvent.
Finally , the spinning speed.
All this will affect the thickness of the film and its homogeneity.
The post annealing serve to reinforce the bond of the grains with the substrate.
It can lead to the coalitions of the grains with each other to build larger grains.
Best wishes
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