Formation of solid and hollow spherical particles by spray pyrolysis

Shi C. Zhang, Gary Lynn Messing, Seong Young Lee, Robert J. Santoro

Research output: Contribution to journalConference article

6 Citations (Scopus)

Abstract

Spray pyrolysis offers a number of opportunities for the synthesis of either solid or hollow spherical particles. As predicted by the evaporation model, particles with different shell thicknesses can be obtained depending on the concentration gradient at the onset of precipitation. If the precipitate shell has a sufficiently high permeability for removal of the remaining solvent, then the shell can be preserved and a hollow particle obtained. By drying at a lower temperature solid particles are readily formed from precursor salts but hollow particle formation by SP at these low temperatures imposes demanding heating rate requirements.

Original languageEnglish (US)
Pages (from-to)49-55
Number of pages7
JournalMaterials Research Society Symposium - Proceedings
Volume372
StatePublished - Jan 1 1995

Fingerprint

Spray pyrolysis
pyrolysis
sprayers
hollow
Heating rate
Precipitates
Drying
Evaporation
Salts
Temperature
drying
precipitates
permeability
evaporation
salts
gradients
requirements
heating
synthesis

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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Formation of solid and hollow spherical particles by spray pyrolysis. / Zhang, Shi C.; Messing, Gary Lynn; Lee, Seong Young; Santoro, Robert J.

In: Materials Research Society Symposium - Proceedings, Vol. 372, 01.01.1995, p. 49-55.

Research output: Contribution to journalConference article

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AU - Messing, Gary Lynn

AU - Lee, Seong Young

AU - Santoro, Robert J.

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AB - Spray pyrolysis offers a number of opportunities for the synthesis of either solid or hollow spherical particles. As predicted by the evaporation model, particles with different shell thicknesses can be obtained depending on the concentration gradient at the onset of precipitation. If the precipitate shell has a sufficiently high permeability for removal of the remaining solvent, then the shell can be preserved and a hollow particle obtained. By drying at a lower temperature solid particles are readily formed from precursor salts but hollow particle formation by SP at these low temperatures imposes demanding heating rate requirements.

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M3 - Conference article

VL - 372

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EP - 55

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JF - Materials Research Society Symposium - Proceedings

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