Synthesis of Zirconium Nanoparticles by Ultrafast Laser Ablation

Abstract

Laser Ablation / Transition Metals / Nanoparticles / Zirconium / ColloidsWe report the results of the ablation of a zirconium rod in isopropyl alcohol employing a titanium sapphire femtosecond laser system operated at sub-800 nm wavelengths with a fluence of 2 mJ/pulse and a 10 Hz pulse rate. Ablation of zirconium was investigated under two different focal regimes, resulting in ablation with different power densities. Optimally, the femtosecond laser system produces pulses of 100 femtoseconds; however, experiments were also performed in which the temporal nature of the femtosecond pulse was adjusted by stretching the pulse to minimize supercontinuum formation. The resultant nanoparticles displayed size distributions with mean values of 12 to 15 nm. Optical activity of zirconium nanoparticles is addressed.

Zirconium nanoparticles prepared by the reduction of zirconium oxide using the RAPET method

“…In this reaction zirconium is produced by the reduction of zirconium tetrachloride with an active metal such as magnesium at 800–900 °C. Elsewhere in the literature, the preparation of metallic Zr nanoparticles by ultrafast laser ablation of a zirconium rod in isopropyl alcohol has been described [ 7 ]. This process produces a colloidal solution of zirconium nanoparticles.…”

Structural, Morphological and Optical Properties of Nanoproducts of Zirconium Target Laser Ablation in Water and Aqueous SDS Solutions

“…Physical and technical descriptions of laser ablation in liquid are given in detail in numerous original articles and reviews [22][23][24][25][26]. CVL generation was performed at two wave lengths: 510.6 and 578.2 nm; line power ratio was 2:1, respectively.…”

Probing single molecules and molecular aggregates: Raman spectroscopic advances

“…Extensive SMR studies (primarily named as single‐molecule SERS, i.e. SMSERS) have been reported, as partly summarized in a few previously published review papers, such as an emphasis by Kneipp et al . upon ultrasensitive analysis of chemicals and live cells, also biomedical applications and mechanisms related to the surrounding environment by Qian and Nie, comprehensive discussion regarding the origin of SERS enhancement by Moskovits, as well as bi‐analyte (BiA) approaches proposed by Etchegoin, TERS reviews by Zenobi and Van Duyne et al .…”