Formation mechanism of GaP nanorods under mild Benzene-thermal condition

Kun Fang*, Shan Min Gao, Wei Jiang, Jiang Zhang, Chuan Bao Cao, He Sun Zhu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

GaP nanorods with widths of 20-40 nm and lengths of 200-500 nm, and nanoparticles with diameters of 20-40 nm were synthesized via the mild benzene-thermal route, using Na, P and GaCl3 as the starting materials. X-ray powder diffraction, Transmission electron microscopy and X-ray photoelectron spectroscopy were used to characterize the morphology and crystal structure of the products. The results indicated that when the reaction temperature is lower than 250°C, the products consist almost is GaP nanorods. The nanorods change into nanoparticles gradually with increasing temperature. When the reaction temperature exceed 280°C, the products are regularly particles. The reaction proceeds through a metallic gallium intermediate and a solution-liquid-solid mechanism is proposed for the one-dimensional growth.

Original languageEnglish
Pages (from-to)3488-3492
Number of pages5
JournalWuli Xuebao/Acta Physica Sinica
Volume56
Issue number6
Publication statusPublished - Jun 2007

Keywords

  • Benzene-thermal
  • Nanometer GaP
  • Solution-liquid-solid mechanism

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