Abstract
WS2 nanorods with uniform size-distribution of width 120 nm and length 600–950 nm were successfully processed at 230 °C by reliable and cost-effective hydrothermal method. Two more temperatures (±10 °C) were employed to understand its influence on structural- and optical-properties. Consequences achieved from crystallography and spectroscopy analyses suggest that formation of hexagonal-phase of crystalline WS2 with direct allowed band-gap values in upward manner as temperature increased. In light of temperature-dependent studies achieved from experimental evidences, plausible growth-mechanism of WS2 nanorods was proposed. It will provide potential reference for future studies in both basic- and applied-WS2 research.
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