A Simple New Method for Purifying Grain Size by Pulse Laser Ablation

Volume 18 No 2 (2020)

Nagham M. Obaid, Ghaleb Al-Dahash, Rafee Tuema

DOI: 10.14704/nq.2020.18.2.NQ20121

Abstract

We present a new method to prepare collide with fine grain or (quantum dots) in solutions by changing the function of laser used, between ablation and irradiation by this can be obtained changing the location of the focal plane of the focusing lens and hence changing the fluence, which leads to the fragmentation of the large grains to smaller grains size. Repeating the changing process several times can lead to obtaining quantum dots or very small grain size.

Keywords

New Method, Quantum Dot, Nano Collide, Laser Ablation, Aqueous Solution.

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