Fig. 1
From: Liquefaction of water on the surface of anisotropic two-dimensional atomic layered black phosphorus

Optical microscope images of BP/graphene/MoS2 without and with water droplets. a, e, i Few-layer BP/graphite/MoS2 without water droplets, b, f, j few-layer BP/graphite/MoS2 with water droplets, c, g, k thick BP/graphite/MoS2 without water droplets, and d, h, l thick BP/graphite/MoS2 with water droplets