Synthesis and Formation Mechanism of PbCl2 Nanowires by Micelle-template Method

Abstract

Abstract: Polycrystal nanowires of orthorhombic PbCl₂, with diameter of 20—30 nm, length up to tens microns, and cell constants of a=0.454 nm, b=0.763 nm, c=0,904 nm, were synthesized by micelle template of polyoxyethylene(9)-dodecyl-ether(C₁₂E₉), n-pentanol and cyclohexane when the molar ratio of water to C₁₂E₉, R, is 10, the volume ratio of cyclohexane to C₁₂E₉ is 8, c(C₁₂E₉) is 0.18 mol/Land the concentration of c(Pb ²⁺) and c(Cl^-) are 0.1 mol/L.The middle process and an intermediate were captured. On the basis, the formation mechanism of PbCl₂ nanowires were studied. The results indicated that the formation of PbCl₂ nanowires was probably via the mechanism of the directional aggregation and orientated growth of the PbCl₂ colloidal particles.

Key words: Lead chloride, Nanowires, Template synthesis, Microemulsion, Reverse micelle

CLC Number:

O614.3

TrendMD:

WU Qing-Sheng, ZHENG Neng-Wu, DING Ya-Ping . Synthesis and Formation Mechanism of PbCl₂ Nanowires by Micelle-template Method[J]. Chem. J. Chinese Universities, 2001, 22(6): 898.

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Synthesis and Formation Mechanism of PbCl₂ Nanowires by Micelle-template Method

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