Synthesis of Micron and Submicron Nickel and Nickel Oxide Particles by a Novel Laser-Liquid Interaction Process

Tabbetha A. Dobbins, Deepak Poondi, Jogender Singh

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The laser-liquid-solid interaction is a new technique for synthesis of nickel and nickel oxide particles. The process uses a continuous-wave CO2 laser beam as the source of thermal energy required to induce precipitation reactions in solution. The uniqueness of the process is the synthesis reaction taking place in a localized region, which allows better control of the chemical reaction. Porous nickel and nickel oxide powders have been synthesized by laser-induced reactions between a nickel nitrate hexahydrate [Ni(NO3)2 · 6H2O] precursor and 2-ethoxyethanol-based mixtures. Nickel powders were produced after irradiating a solution of the precursor salt and a 2-ethoxyethanol and d-sorbitol mixture. Crystalline nickel oxide (NiO) powders were isolated after irradiating a solution containing the precursor salt and a 2-ethoxyethanol and water mixture. Powders containing both nickel and nickel oxide crystalline phases were produced after irradiating a solution of the precursor salt and 2-ethoxyethanol. The mean particle diameter is found to be sensitive to irradiation time, substrate thermal conductivity, irradiation power density, and solution concentration. It is hypothesized that nucleation and growth of crystalline phases occurring in irradiated solutions are thermal driven.

Original languageEnglish (US)
Pages (from-to)261-271
Number of pages11
JournalJournal of Materials Synthesis and Processing
Volume7
Issue number5
DOIs
StatePublished - Jan 1 1999

Fingerprint

Liquid lasers
Nickel oxide
Nickel
Powders
Salts
Crystalline materials
Irradiation
Continuous wave lasers
Sorbitol
Thermal energy
Laser beams
Light sources
nickel monoxide
Chemical reactions
Nitrates
Thermal conductivity
Nucleation
2-ethoxyethanol
Water
Lasers

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

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abstract = "The laser-liquid-solid interaction is a new technique for synthesis of nickel and nickel oxide particles. The process uses a continuous-wave CO2 laser beam as the source of thermal energy required to induce precipitation reactions in solution. The uniqueness of the process is the synthesis reaction taking place in a localized region, which allows better control of the chemical reaction. Porous nickel and nickel oxide powders have been synthesized by laser-induced reactions between a nickel nitrate hexahydrate [Ni(NO3)2 · 6H2O] precursor and 2-ethoxyethanol-based mixtures. Nickel powders were produced after irradiating a solution of the precursor salt and a 2-ethoxyethanol and d-sorbitol mixture. Crystalline nickel oxide (NiO) powders were isolated after irradiating a solution containing the precursor salt and a 2-ethoxyethanol and water mixture. Powders containing both nickel and nickel oxide crystalline phases were produced after irradiating a solution of the precursor salt and 2-ethoxyethanol. The mean particle diameter is found to be sensitive to irradiation time, substrate thermal conductivity, irradiation power density, and solution concentration. It is hypothesized that nucleation and growth of crystalline phases occurring in irradiated solutions are thermal driven.",
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Synthesis of Micron and Submicron Nickel and Nickel Oxide Particles by a Novel Laser-Liquid Interaction Process. / Dobbins, Tabbetha A.; Poondi, Deepak; Singh, Jogender.

In: Journal of Materials Synthesis and Processing, Vol. 7, No. 5, 01.01.1999, p. 261-271.

Research output: Contribution to journalArticle

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