Eddingsaas, N. C. and Suslick, K. S. (2010) Mechanoluminescence induced by acoustic cavitation. In: International Chemical Congress of Pacific Basin Societies (Pacifichem 2010), 15-20 December 2010, Honolulu, HI. https://resolver.caltech.edu/CaltechAUTHORS:20120816-131436515
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Abstract
When a liq. is irradiated with high intensity ultrasound, micron-sized bubbles can be driven into violent collapse with a subsequent shockwave formed in the liq. from the bubble rebound. Small particles suspended in ultrasonically irradiated liqs. can be accelerated to high velocities (several hundred m/s) by these shockwaves and undergo violent interparticle collisions. Under these conditions we have obsd. intense mechanoluminescence from a variety of org. microcryst. solids. We have studied the effects of liq. properties as well as crystal properties to obtain the most intense mechanoluminescence. Using optical emission spectroscopy of at. and mol. species we have characterized the electron d., electron temp., pressure, and temp. of the resulting discharge.
| Item Type: | Conference or Workshop Item (Paper) | ||||||
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| Additional Information: | © 2012 American Chemical Society. | ||||||
| Record Number: | CaltechAUTHORS:20120816-131436515 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120816-131436515 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 33271 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 16 Aug 2012 21:09 | ||||||
| Last Modified: | 27 Feb 2023 23:07 |
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