Wavelength tunable electroluminescence from randomly assembled n-CdSxSe1−xnanowires/p+-SiC heterojunction

Abstract

Visible electroluminescence (EL) with tunable wavelength has been observed at room temperature from randomly assembled n-CdS_xSe_1−x nanowires grown on a p⁺-SiC substrate by the vapor transport technique. The dominant emission peaks can be tuned from ∼720 to ∼520 nm by varying the composition of the alloy nanowires.