Snow Summit
A vivid snow summit with a blizzard in dark night sky? Actually, it is the irregular border of a graphene oxide (GO) film (~140 nm) spin-coated on a silicon substrate (300-nm SiO2/Si) and captured by the KEYENCE VK-X1000 Laser Microscope.
[OPN 2021 Photo Contest Third Place (tie)]
—Zhijun Xu, College of Science, Zhejiang University of Technology, Zhejiang, China