Flame Spray Pyrolysis

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What is the main purpose of the precursor spray in the described process?

To create large temperature gradients

To form metal vapors (correct)

To extinguish the flame

To collect nanoparticles on a filter

Which technological requirement is essential for the described process?

Use of gaseous feeds

Self-sustaining flame (correct)

Low temperature flames

High volatility precursors

What happens inside the flame during the process of precursor injection and spraying?

Combustion of metal species

Evaporation of metal atoms

Solvent condensation

Nucleation of metal atoms (correct)

What are the sequential steps involved in the fabrication of nanoparticles using this process?

Evaporation, condensation, nucleation, growth Signup and view all the answers

What is the final product collected after the described process?

Complex and functional NPs Signup and view all the answers

What is the primary form of the precursor in this combustion process?

Liquid Signup and view all the answers

What is the main purpose of injecting the liquid precursor through a capillary and spraying it into a flame?

To aggregate metal atoms into nanoparticles Signup and view all the answers

What is the essential requirement for the combustion process described?

High temperature flames and large temperature gradients Signup and view all the answers

Which sequential step is NOT involved in the fabrication of nanoparticles using this process?

Reduction by electrolysis Signup and view all the answers

What is the collected product after the combustion process described?

Nanoparticles Signup and view all the answers

Flame Spray Pyrolysis

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Questions and Answers

What is the main purpose of the precursor spray in the described process?

Which technological requirement is essential for the described process?

What happens inside the flame during the process of precursor injection and spraying?

What are the sequential steps involved in the fabrication of nanoparticles using this process?

What is the final product collected after the described process?

What is the primary form of the precursor in this combustion process?

What is the main purpose of injecting the liquid precursor through a capillary and spraying it into a flame?

What is the essential requirement for the combustion process described?

Which sequential step is NOT involved in the fabrication of nanoparticles using this process?

What is the collected product after the combustion process described?

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