Abstract
AbstractNanocrystalline chalcopyrite (CuFeS2) have been synthesized using single‐source precursors, CuL2 and Cu(LH)2Cl2 (where LH = monoacetylferrocene thiosemicarbazone) by pyrolysis and solvothermal decomposition methods. The nanocrystals were characterized by UV–visible spectroscopy, X‐ray powder diffraction, transmission electron microscopy and energy dispersive X‐ray analysis. The magnetic character was determined by the hysteresis loop. CuFeS2 nanocrystallites prepared by the pyrolysis of CuL2 and Cu(LH)2Cl2 have a cubic phase and rod‐like morphology with diameters of about 18 and 15 nm, respectively, and lengths of about 195–390 and 100–145 nm, respectively. However, CuFeS2 nanoparticles obtained by solvothermal route from CuL2 and Cu(LH)2Cl2, which are capped with ethylene glycol, possess a nearly spherical shape with an average grain size of 16 and 11 nm, respectively. Copyright © 2009 John Wiley & Sons, Ltd.
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