We report on continuous wave and time-resolved photoluminescent characteristics of Mg x Zn 1− x O (0 ⩽ x ⩽ 0.18) alloy nanorods grown on Si substrates using catalyst-free metal–organic chemical vapor deposition. Low temperature time-integrated photoluminescence (PL) spectra of the alloy nanorods clearly exhibited a dominant PL peak of a single Mg x Zn 1− x O phase without showing any PL peak from ZnO. In addition, dominant PL peak positions of the alloy nanorods were blueshifted with increasing Mg content in the nanomaterials. Using temperature-dependent PL spectra and time-resolved PL spectra of Mg x Zn 1− x O nanorods, we discuss the composition fluctuations in Mg x Zn 1− x O (0 ⩽ x ⩽ 0.18) nanorods.
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Yoo et al. (2008) studied this question.
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