The fiber-optic surface plasmon resonance sensor has very promising applications in environmental monitoring, biochemical sensing, and medical diagnosis, due to the superiority of high sensitivity and novel label-free microstructure. However, the influence of ambient temperature is inevitable in practical sensing applications, and even the higher the sensitivity, the greater the influence. Therefore, how to eliminate temperature interference in the sensing process has become one of the hot issues of this research field in recent years, and some accomplishments have been achieved. This paper mainly reviews the research results on temperature self-compensating fiber-optic surface plasmon sensors. Firstly, it introduces the mechanism of a temperature self-compensating fiber-optic surface plasmon resonance sensor. Then, the latest development of temperature self-compensated sensor is reviewed from the perspective of various fiber-optic sensing structures. Finally, this paper discusses the most recent applications and development prospects of temperature self-compensated fiber-optic surface plasmon resonance sensors.
Metal
silicides are suitable for semiconductor applications ranging
from contact junctions to gate materials due to their inherent compatibility
with silicon technology. It was deemed that they are not suitable
for surface plasmon (SP) applications because they exhibit larger
optical losses than other plasmonic materials. Here, metal silicide
nanostructures were exploited for light heating to utilize their SP-enhanced
absorption loss. The particles, mainly in the crystalline CoSi phase,
were prepared by laser ablation in liquid for the first time despite
the challenges arising from complex phase behavior and multiple stoichiometries
of the metal silicide. The CoSi particles showed excellent photothermal
conversion efficiency (30.5% in the infrared range) as plasmonic absorbers,
which makes metal silicides promising in versatile applications such
as plasmon-enhanced catalysis, heat assisted magnetic recording, and
thermophotovoltaics.
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