Description:

Isolated monolayer thickness WS2 are grown onto c-cut (0001) sapphire substrates.  This particular product contains monolayer thickness WS2 trigular flakes rdomly distributed across sapphire substrate. While some regions reach continuity with coalesced WS2 trigles, this sample contains well-separated trigles for advced spectroscopy, microscopy, d electronic measurements. Synthesized monolayer WS2 trigles are highly luminescent d Ram spectroscopy studies also confirm the monolayer thickness. 

Growth method: Our compy synthesizes these monolayers using chemical vapor deposition (CVD) using highest purity (6N) gases d precursors in semiconductor grade facilities to produce crystalline d large domain size samples (1-50um). This is unlike commonly used MOCVD process wherein defects are very very large d domain sizes are small (10nm-500nm). Our samples are always highly luminescent d highly crystallized