Figure 1: Left-top inset shows the XRD of the Sb2SeTe2.
From: Extremely high-performance visible light photodetector in the Sb2SeTe2 nanoflake
The sharp peaks indicate the high crystallinity of the Sb2SeTe2 crystal. The right-bottom inset shows a SEM picture of the Sb2SeTe2 nanoflake. The red line is the scale bar of SEM. The blue curve is the AFM thickness profile and the sample thickness is 181 nm. Two Pt contacts were deposited on the nanoflake to measure the photocurrent. The linear current-voltage curve indicates the ohmic contact between the Pt electrodes and the Sb2SeTe2 nanoflake.
