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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 3 — Mar. 1, 2012
  • pp: 351–356

Laser-induced high-pressure and high-temperature conditions at the titanium–water interface and their implication on TiO 2 nanoparticles

Arpita Nath and Alika Khare  »View Author Affiliations


JOSA B, Vol. 29, Issue 3, pp. 351-356 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000351


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Abstract

Pulsed laser-induced breakdown at the titanium–water interface leads to the formation of titanium–water plasma, which evokes high-pressure and high-temperature (HPHT) conditions at the interfacial region and under suitable condition results in the formation of TiO 2 nanoparticles. Laser-induced HPHT conditions at the titanium–water interface are characterized using the beam deflection setup and laser-induced breakdown spectroscopy, respectively. An estimate of HPHT at the interface is used to gain insight into the nucleation process of TiO 2 nanoparticles. Assuming the existence of the thermodynamical equilibrium between the titanium and water plasma, the pressure and temperature at the interface are employed to measure the nucleation time, growth velocity, and the size of the nanoparticles for comparison with the synthesized nanoparticles.

© 2012 Optical Society of America

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(140.3440) Lasers and laser optics : Laser-induced breakdown
(160.4236) Materials : Nanomaterials
(110.5125) Imaging systems : Photoacoustics
(120.5475) Instrumentation, measurement, and metrology : Pressure measurement
(300.6365) Spectroscopy : Spectroscopy, laser induced breakdown

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 22, 2011
Manuscript Accepted: November 8, 2011
Published: February 17, 2012

Citation
Arpita Nath and Alika Khare, "Laser-induced high-pressure and high-temperature conditions at the titanium–water interface and their implication on TiO2 nanoparticles," J. Opt. Soc. Am. B 29, 351-356 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-3-351

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