Journal
CHEMICAL PHYSICS LETTERS
Volume 511, Issue 1-3, Pages 116-120Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2011.06.017
Keywords
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Funding
- Ministry of Education, Science and Technology [NRF-2009-0 068 705]
- Korean Government (MEST) [NRF-2009-C1AAA001-0 092 939]
- National Research Foundation of Korea [2009-0092936, 2009-0068705] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Zinc oxide (ZnO) nanoparticles were prepared in neat deionized water by laser ablation with various ablation times (10-40 min), fluences (50-130 mJ/pulse), and wavelengths (1064, 532, and 355 nm). The size and shape of the nanoparticles were affected only slightly by the ablation time and fluence at a wavelength of 1064 nm, which was explained by a dynamic formation mechanism with surface charge effects. The nanoparticles formed by ablation at 355 nm had a distinctive wire-shape with a small diameter, which was attributed to a continuous fragmentation and formation mechanism. (C) 2011 Elsevier B.V. All rights reserved.
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