Fig. 2

a Photocurrent responses to the different light power and the excitation wavelengths of 532 nm measured in air ambience for a the MoS2 nanoflake (t = 45 nm) and b the bulk crystal (t = 63 μm)
a Photocurrent responses to the different light power and the excitation wavelengths of 532 nm measured in air ambience for a the MoS2 nanoflake (t = 45 nm) and b the bulk crystal (t = 63 μm)