Preparation of Single-Crystal BiOCI Nanorods via Surfactant Soft-Template Inducing Growth

摘要

Nanorods of a compound semiconductor, BiOCL, have been prepared from BiCl_3 solution containing a nonionic surfactant, t-octyl-(OCH_2CH_2)_xOH, x=9, 10 (Triton X-100). Powder X-ray diffraction (XRD) pattern indicated that the product was pure tetragonal phase bismoclite (BiOCl). The product was also characterized by the techniques of scanning electron microscope (SEM). energy-dispersive X-ray spectroscopy (EDS) and transmission electron microscope (TEM). The as-obtained BiOCI nanorods possess mean diameters less than 40nm and lengths ranging in 160-400 nm. Selected area electron diffraction (SAED) pattern showed the single-crystal nature of as-prepared BiOCI nanorods. The growth mechanism of BiOCl nanorods has also been proposed.