Heterostructure Arrays: Direct Synthesis of a Self‐Assembled WSe 2 /MoS 2 Heterostructure Array and its Optoelectrical Properties (Adv. Mater. 43/2019)

In article number 1904194, Seoung-Ki Lee, Jong-Hyun Ahn, and co-workers demonstrate a heterostructure array based on transition-metal dichalcogenides, via a solution-based self-assembly method. The heterostructure is composed of p-WSe2 wires and n-MoS2 wires in parallel- or cross-aligned structure. This WSe2/MoS2 p–n junction array exhibits outstanding electrical and optoelectrical properties, including high rectifying behavior and photoresponsivity with fast response time.