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In article number 2000779, Shikuan Yang, Xiangheng Xiao, and co‐workers develop springtail‐inspired superamphiphobic ordered nanohoodoo arrays with quasi‐doubly reentrant structures. The arrays have outstanding performance and wide applications. The simple and massive production of the superamphiphobic nanohoodoo structures will push their practical application processes in diverse fields where wettability...
The skin of springtails is well‐known for being able to repel water and organic liquids using their hexagonally arranged protrusions with reentrant structures. Here, a method to prepare 100 nm‐sized nanohoodoo arrays with quasi‐doubly reentrant structures over square centimeters through combining the nanosphere lithography and the template‐protected selective reactive ion etching technique is demonstrated...
Virus detection and analysis are of critical importance in biological fields and medicine. Surface‐enhanced Raman scattering (SERS) has shown great promise in small molecule and even single molecule detection, and can provide fingerprint signals of molecules. Despite the powerful detection capabilities of SERS, the size discrepancy between the SERS “hot spots” (generally, <10 nm) and viruses (usually,...
In article 1805516, Shikuan Yang, Fubing Wang, Xiangheng Xiao, and co‐workers develop a volume‐enhanced Raman scattering substrate composed of hollow nanocones at the bottom of microbowls for the detection of viruses. The viruses captured by the nanocones are completely surrounded by the strong electromagnetic field, and greatly improved Raman signals of single viruses are demonstrated. This achievement...
Micro/nanostructures have broad applications in diverse application fields, such as surface enhanced Raman spectroscopy (SERS), photocatalysis, field emission, photonic crystals, microfluidic devices, electrochemical devices, etc. Using polystyrene (PS) spheres formed monolayer colloidal crystal templates as masks, scaffolds, or molds with different materials growth techniques, many different periodic...
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