Tunable, flexible electronic and photovoltaic devices place some tough requirements on component materials. Recent reports of successful synthesis and characterization have suggested tungsten chalcogenides such as WS2(1–x)S2x could fit the bill, but to harness the properties of these materials in practical devices, stability is key. Now researchers have not only demonstrated tunable p-type electrical transport properties with field-effect transistors produced from the WSe2(1–x)S2x, but the devices remain stable after three months’ exposure to air…….
http://nanotechweb.org/cws/article/tech/64146
