Growth of Mesoscale Tubular CdS Crystals via a Hydrothermal Method

Cadmium sulfide tubular crystals, with the range of 0.5–2 mm in length, 10–20 (mu)m in the external diameter and 3–6 (mu)m in the wall thickness, were successfully grown in sodium hydroxide solution via a hydrothermal method at 350 °C. XRD, SEM, and XPS methods characterized the products. A possible growth mechanism for the tubular structure was also proposed.