Hydrogen is regarded as the ultimate fuel and energy carrier with a high theoretical energy
density and universality of sourcing. However, hydrogen is easy to leak and has a wide …

Grating nanostructures play a crucial role for their application in plasmonic sensors. A
comprehensive review on grating nanostructure based plasmonic sensor is presented in this …

Optical hydrogen sensors possess significant potential in various fields, including aerospace
and fuel cell applications, which is due to their compact design and immunity to …

In this work, we present a novel biochemical sensing approach based on a plasmonic
sensor chip, combined with a specific receptor, excited and interrogated via a custom 3D …

Using ultraviolet–visible (UV–vis) absorption spectroscopy, we have tested the reactivity of
various indicator molecules combined with catalytic bimetallic gold–palladium nanoparticles …

Heterogeneous multilayer configurations are discussed to enhance plasmonic hydrogen
sensors (PHSs). Five sensor designs─ pure Pd, Pd/Ag, Ag/Pd, Ag/Pd/Ag, and Pd/Ag/Pd─ …

Detecting hydrogen (H₂) at low concentrations (10–100 ppm) over extended periods
requires a sensor with high stability and sensitivity. Palladium (Pd) is among the most …

Herein, we propose and demonstrate a novel all-optical photothermal-assisted hydrogen
permeation enhancement scheme by using a special optics-mechanics synergistic fiber …

Nanogrooves with high aspect ratios possess small size effects and high-precision optical
control capabilities, as well as high specific surface area and catalytic performance …

Layered transition metal dichalcogenides (TMDCs) have shown great potential for a wide
range of applications in photonics and optoelectronics. Nevertheless, valley decoherence …