Themed collection Advances in Plasmonics and Its Applications

Ramon A. Alvarez-Puebla, Jian-Feng Li and Xing Yi Ling introduce the Nanoscale themed collection on advances in plasmonics and its applications.

This minireview provides a comprehensive discussion on recent advances in plasmon-enhanced Raman spectroscopy for catalytic reactions on bifunctional metallic nanostructures.

Here, we reviewed the electrochromic behaviour and underlying mechanisms of plasmonic metal nanoparticles in the visible spectral range, and discussed the recent key progresses in understanding, controlling and utilizing plasmonic electrochromism.

The purpose of this minireview is to build a bridge between two research fields: surface-enhanced resonant Raman spectroscopy (SERRS) and the branch of plasmonics treating strong coupling between plasmons and molecular excitons.

This minireview reports the recent advances in surface-enhanced Raman scattering (SERS)-based assay devices for the diagnosis of infectious diseases.

Nanoparticle self-assembly at water–oil interfaces has emerged as a convenient and efficient method to construct stable, active and reproducible plasmonic substrates for SERS. In this review we summarize the progress that has been made in this field.

A review on molecular detection using coupled plasmonic systems based on spectral modulations and further near-field enhancements.

In this review, the development context and scientific research results of chiral surface plasmons (SPs) in recent years are classified and described in detail.

In this review, the recent advancements of SERS for biomedical, food and agricultural applications in the past 6 years are discussed. We also discuss the opportunities and challenges in the field while highlighting the technological gaps.

The Particle-in-Cell (PIC) method for plasmons provides a mechanical, single-particle picture of plasmon resonances by tracking in time the movement of all the individual conduction electrons.

Plasmonic hot-carrier generation can be harnessed by the strong coupling of the cavity mode, the LSPR mode, and the gap surface plasmon polariton.

The localized surface plasmon resonance (LSPR) of Ag/indium tin oxide (ITO)@polystyrene (PS) in the visible-NIR region was dependent on the tuning of the carrier density caused by adjusting the thickness of the ITO layer.

We propose a planar hot-electron photodetector based on broadband Tamm plasmon resonance with a full width at half maximum of 240.2 nm, promising for broadband hot electron photodetection.

An electrochemical approach is developed for the coating of conductive polymers on various plasmonic metal nanocrystals for active plasmonics.

High-pressure SERS was used to investigate the charge-transfer process of a TiO₂@N719@Ag DSSC system.

The new SERS detection platform is applicable for the quick and easy formation of sensing devices for food, agriculture, and environmental science.

Plasmonic nanostructures of Au nanotriangles and nanodisks are coupled with few-layer MoS₂ inducing photoluminescence (PL) enhancement. The underlying mechanisms were investigated with the experimentally quantified enhancement factors.

An analytical waveguide model is developed to describe the polaritons in two-dimensional van der Waals crystals.

NPs composed of a segregated alloy of Ag coated with Au are achieved through the Ostwald ripening of small Au NPs on the surface of larger Ag NPs. The produced structures benefit from the advantages of gold and silver with none of their drawbacks.

Post chemical engineering of crude Au nanoparticles on a soft substrate using a gentle reductant for radioactive growth to promote SERS amplification.

The control of magnetic properties at the nanoscale is a current topic of intense research.

The spatial distribution of plasmon induced electron transfer reactions triggered on higher order plasmon modes was visualized through polymerizations of conductive polymers. Absolute electrochemical potential of generated holes was also clarified.

A plasmonic reversible gas sensor is proposed with the design of a plasmonic foam using surface-enhanced resonance Raman scattering.

A full multimodal description of a plasmonic cavity within a continuum-field model of molecular optomechanics provides new insights into vibrational dynamics and nonlinearities of Surface-Enhanced Raman Scattering (SERS).

The morphology of non-functionalized gold nanostars determines the surface protein structure and their interaction with the endolysosomal compartment in cells.

Enhancement of the photocatalytic current of CeO₂ NPs upon their linkage to plasmonic Au NPs.

The accurate SERS monitoring of a plasmon-mediated UV/visible/NIR photocatalytic and photothermal catalytic process on Ag@carbon dots has been demonstrated.

Hot charge carriers created by plasmons break the C–B bond of 4-mercaptophenylboronic acid, transforming it into benzenethiol in nanogaps.

We report a batch preparation of mm-scale 3D Ag hetero-nanoclusters which exhibit an excellent surface plasmon resonance ability via facile laser metallurgy.

Microporous silica membranes facilitate plasmonic stability of Ag@Au nanoparticles against variations in pH, ionic strength, and temperature for SERS sensing.

The excitation line dependent transformation of the coupling mode from the “particle–particle” to the “particle–surface” mode was observed using an Au nanoparticles and plate coupled system.

The epitaxial aluminum film exhibits long plasmon lengths in the full visible region and outperforms silver in the deep blue region.

To mimic the optical influence of disorder in condensed matter, the effect of uniform disorder on the plasmonic resonances were investigated on aluminum nanoparticle arrays.

Both information about adsorbates and surface charges at the metal/dielectric interface were simultaneously obtained using in situ SERS.

Topological insulator nanoparticles (TINPs) host topologically protected Dirac surface states, just like their bulk counterparts.

The plasmonic Ga₂O₃ photoanode with the interfacial TiO₂ modification provide both a high reduction ability and an oxidation ability.

(Gold nanorod core)/(poly(3,4-ethylene-dioxythiophene) shell) nanostructures are prepared. The nanostructure arrays exhibit a remarkable and reversible plasmon peak shift of about 70 nm by controlling the doping level of the polymer shell.

AuTNP@Ag nanostructures are developed as nanoprobes for hydrogen sulfide. Owing to the high refractive index sensitivity of Au TNPs and facile sulfurization of silver, AuTNP@Ag nanostructures exhibit great sensitivity to both sulfur ions and H₂S gas.