Microwave-assisted synthesis and characterization of microstar shaped zinc oxide

Palomar Pérez, Flor Esthela y Yacamán, Miguel José y Gómez de la Fuente, Idalia (2012) Microwave-assisted synthesis and characterization of microstar shaped zinc oxide. Química Hoy, 2 (3).

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Resumen

A microwave-assisted solution-phase approach has been applied for the synthesis of zinc oxide microstructures. The synthesis procedure was carried out byusing tbe reagents: Zinc nitrate and Methenamine, at stoichiometric ratio. AnaIysis by means ofX-ray Diffraction (XRD) shows a crystalline phase in hexagonal wurtzite arrangement for ZnO. The presence ofmicrostar shaped zinc oxide (2-3Jlm) with nanorods-{5Onm) arranged has been confirmed from High Resolution Scanning Electron Microscopy (HRSEM). The formation ofnanorods was confirmed by Transmission Electron Microscopy. In Raman spectros copy a red shift was detected in the microstructures compared with Zno bulk. High crystalline materials witbout additional post-syn.thesis treatment were found.

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