Broadband metamaterial absorbers

P Yu, LV Besteiro, Y Huang, J Wu, L Fu… - Advanced Optical …, 2019 - Wiley Online Library
The recent rise of metamaterials opens new opportunities for absorbers due to their
designed electrodynamic properties and effects, allowing the creation of materials with …

Photonic metamaterial absorbers: morphology engineering and interdisciplinary applications

L Feng, P Huo, Y Liang, T Xu - Advanced materials, 2020 - Wiley Online Library
Recent advances in nanofabrication technologies have spurred many breakthroughs in the
field of photonic metamaterials that provide efficient ways of manipulating light–matter …

Quantifying the role of surface plasmon excitation and hot carrier transport in plasmonic devices

G Tagliabue, AS Jermyn, R Sundararaman… - Nature …, 2018 - nature.com
Harnessing photoexcited “hot” carriers in metallic nanostructures could define a new phase
of non-equilibrium optoelectronics for photodetection and photocatalysis. Surface plasmons …

Photothermal circular dichroism induced by plasmon resonances in chiral metamaterial absorbers and bolometers

XT Kong, L Khosravi Khorashad, Z Wang… - Nano …, 2018 - ACS Publications
Chiral photochemistry remains a challenge because of the very small asymmetry in the chiro-
optical absorption of molecular species. However, we think that the rapidly develo** fields …

Ultrafast pyroelectric photodetection with on-chip spectral filters

JW Stewart, JH Vella, W Li, S Fan, MH Mikkelsen - Nature materials, 2020 - nature.com
Thermal detectors, such as bolometric, pyroelectric and thermoelectric devices, are uniquely
capable of sensing incident radiation for any electromagnetic frequency; however, the …

Electronic structure of the plasmons in metal nanocrystals: fundamental limitations for the energy efficiency of hot electron generation

L Chang, LV Besteiro, J Sun, EY Santiago… - ACS Energy …, 2019 - ACS Publications
This Review discusses the electronic structure of plasmonic resonances in metal
nanostructures, clarifying existing misconceptions on the topic. Here we underscore the key …

Efficiency of hot-electron generation in plasmonic nanocrystals with complex shapes: surface-induced scattering, hot spots, and interband transitions

EY Santiago, LV Besteiro, XT Kong… - Acs …, 2020 - ACS Publications
The generation of hot electrons is an intrinsic property of all plasmonic nanocrystals under
illumination. However, the number of such excited electrons will strongly depend on the …

Probing nanoscale spatial distribution of plasmonically excited hot carriers

SC Huang, X Wang, QQ Zhao, JF Zhu, CW Li… - Nature …, 2020 - nature.com
Surface plasmons (SPs) of metals enable the tight focusing and strong absorption of light to
realize an efficient utilization of photons at nanoscale. In particular, the SP-generated hot …

Chiral plasmonic nanocrystals for generation of hot electrons: toward polarization-sensitive photochemistry

T Liu, LV Besteiro, T Liedl, MA Correa-Duarte… - Nano Letters, 2019 - ACS Publications
The use of biomaterials, with techniques such as DNA-directed assembly or biodirected
synthesis, can surpass top-down fabrication techniques in creating plasmonic …

Self-constructed multiple plasmonic hotspots on an individual fractal to amplify broadband hot electron generation

X Wang, C Liu, C Gao, K Yao, SSM Masouleh… - ACS …, 2021 - ACS Publications
Plasmonic nanoparticles are ideal candidates for hot-electron-assisted applications, but
their narrow resonance region and limited hotspot number hindered the energy utilization of …