Synthesis and characterization of CdIn(2)S(4) nanorods by converting CdS nanorods via the hydrothermal route.

The ternary semiconductor CdIn2S4 nanorods were synthesized by a method based on CdS nanorods via the hydrothermal route, in which CdS nanorods were converted by reaction with InCl3 and thiourea in aqueous solution. Transmission electron microscopy (TEM) images revealed that the typical sizes of the CdIn2S4 nanorods were 10−30 nm in diameter and 200−1000 nm in length. X-ray photoelectron spectra (XPS) analysis of the surface stoichiometry (CdIn2.03S4.15) and room-temperature Raman spectrum (RS) were recorded. The influences of reaction temperature, time, and sulfur sources on the formation for CdIn2S4 nanorods were investigated. A possible formation mechanism of the CdIn2S4 nanorods was also proposed.