科研之友
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摘要
Dumbbell-like nanosuperstructures of (3-carboxy-1-acyl-propyl)-ferrocene were successfully prepared by ultrasonic-pHcontrolling-reprecipitation method. The scanning electron microscope shows that as-obtained products were composed of nanorods. The length of the products is about 6-12 mu m, the diameter of the two polar coronas and the middle part (waist) are respectively about 2-8 mu m and 0.5-2 mu m. The diameter of the nanorods that are the basic unit of the superstructures, is about 0.3 mu m. X-ray diffraction analysis of the products indicated that the superstructures keep original crystal structure. The optical properties of the products were characterized by FT-IR spectrometer and UV spectrometer, and they display quantum size effect. This paper provides a novel method that has potential application in preparing other organometallic compounds superstructures, and more importantly, the as-obtained superstructures have widely applications. The possible mechanism was also proposed.
