Metasurfaces are composed of periodic sub-wavelength nanostructures and exhibit optical
properties that are not found in nature. They have been widely investigated for optical …

Abstract 2D materials strongly drive the development of micro–nano devices, and patterned
structures based on such crystals bring new opportunities. The advanced fabrication …

Metasurfaces, with extremely exotic capabilities to manipulate electromagnetic (EM) waves,
have derived a plethora of advanced metadevices with intriguing functionalities …

Surface-enhanced infrared absorption (SEIRA) spectroscopy is a powerful technique that
overcomes the issue of low molecular absorption cross-sections in infrared spectroscopy …

Optoelectronic devices rely on conductive layers as electrodes, but they usually introduce
optical losses that are detrimental to the device performances. While the use of transparent …

MicroRNAs play an important role in early development, cell proliferation, apoptosis, and
cell death, and are aberrantly expressed in many types of cancers. To understand their …

Hexagonal boron nitride (hBN) hosts long-lived phonon polaritons, yielding a strong mid-
infrared (mid-IR) electric field enhancement and concentration on the nanometer scale. It is …

While infrared spectroscopy is a powerful technique that provides molecular information
such as chemical constituents and chemical structures of analytes, it suffers from low …

Surface-enhanced vibrational spectroscopies, including surface-enhanced infrared
absorption (SEIRA) and surface-enhanced Raman scattering (SERS), selectively probe …

Highly confined plasmon modes in nanostructured graphene can be used to detect tiny
quantities of biological and gas molecules. In biosensing, a specific biomarker can be …