Enhanced Light Absorption in All‐Polymer Biomimetic Photonic Structures by Near‐Zero‐Index Organic Matter
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202113039
Abstract: Natural photosynthetic photonic nanostructures can show sophisticated light matter-interactions including enhanced light absorption by slow light even for highly pigmented systems. Beyond fundamental biology aspects these natural nanostructures are very attractive as blueprints for advanced… read more here.
Keywords: matter; index; near zero; photonic structures ... See more keywords
A Solution-Processed Ultrafast Optical Switch Based on a Nanostructured Epsilon-Near-Zero Medium.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201700754
Abstract: All the optical properties of materials are derived from dielectric function. In spectral region where the dielectric permittivity approaches zero, known as epsilon-near-zero (ENZ) region, the propagating light within the material attains a very high… read more here.
Keywords: solution processed; solution; ultrafast optical; epsilon near ... See more keywords
Enhanced Solar-to-Hydrogen Generation with Broadband Epsilon-Near-Zero Nanostructured Photocatalysts.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201701165
Abstract: The direct conversion of solar energy into fuels or feedstock is an attractive approach to address increasing demand of renewable energy sources. Photocatalytic systems relying on the direct photoexcitation of metals have been explored to… read more here.
Keywords: hydrogen; generation; broadband; epsilon near ... See more keywords
Nonlocality-enabled pulse management in epsilon-near-zero metamaterials.
Sign Up to like & getrecommendations! Published in 2022 at "Advanced materials"
DOI: 10.1002/adma.202107023
Abstract: xxxx. This article is protected by copyright. All rights reserved. read more here.
Keywords: pulse management; epsilon near; near zero; enabled pulse ... See more keywords
Near Zero‐Threshold Voltage P‐N Junction Diodes Based on Super‐Semiconducting Nanostructured Ag/Al Arrays
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202210612
Abstract: Semiconductor devices are currently one of the most common energy consumption devices. Significantly reducing the energy consumption of semiconductor devices with advanced energy‐efficient technologies is highly desirable. The discovery of super‐semiconductors (SSCs) based on metallic… read more here.
Keywords: zero threshold; threshold voltage; near zero; voltage ... See more keywords
Atomic Layer Engineering of Epsilon‐Near‐Zero Ultrathin Films with Controllable Field Enhancement
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Materials Interfaces"
DOI: 10.1002/admi.202000844
Abstract: Enhanced and controlled light absorption as well as field confinement in an optically thin material are pivotal for energy-efficient optoelectronics and nonlinear optical devices. Highly doped transparent conducting oxide (TCO) thin films with near-zero permittivity… read more here.
Keywords: absorption; field; atomic layer; epsilon near ... See more keywords
Gate Tunable Coupling of Epsilon‐Near‐Zero and Plasmonic Modes
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202100800
Abstract: In this work, an active tuning of the coupling strength in a strongly coupled system comprised of a thin epsilon‐near‐zero material and gold nanorods as plasmonic resonators is demonstrated. A novel gating scheme is developed… read more here.
Keywords: epsilon near; tunable coupling; near zero; gate tunable ... See more keywords
Directly Identifying Multiple Cr3+ Emitting Centers for Broad Near‐Infrared Emission in an Efficient and Near‐Zero Thermal Quenching Garnet‐Type Phosphor
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Optical Materials"
DOI: 10.1002/adom.202302391
Abstract: Cr3+ doped garnet‐type (A3B2C3O12) near‐infrared (NIR) phosphors is a desirable research hotspot due to their prospective night vision, bioimaging, and plant growth utilizations. Meanwhile, the origin of multisite broad emission is yet a controversial topic.… read more here.
Keywords: cr3; zero thermal; garnet type; emission ... See more keywords
Ultra‐Directional Transition Radiation From Deep‐Subwavelength Epsilon‐Near‐Zero Metamaterials
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Optical Materials"
DOI: 10.1002/adom.202501449
Abstract: Transition radiation occurs whenever free electrons penetrate an optical sample and offers a powerful route to create light emission for arbitrary frequencies, which is crucial to numerous interdisciplinary applications. However, this type of light emission… read more here.
Keywords: radiation; transition radiation; subwavelength; near zero ... See more keywords
Gain enhancement of circular waveguide antennas using near‐zero index metamaterials
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.31839
Abstract: In this article, a rigorous analytical methodology is introduced for designing near-zero refractive index metamaterials (NZIMs). Our proposed NZIM media is realized by three stacked layers of perforated metallic surfaces, each layer composed of a… read more here.
Keywords: enhancement circular; index; index metamaterials; gain enhancement ... See more keywords
An epsilon‐near‐zero circuit based on half‐mode SIW with enhanced integrability for applications of narrowband large group delay
Sign Up to like & getrecommendations! Published in 2024 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.34323
Abstract: The tunneling effect of an epsilon‐near‐zero (ENZ) is exploited to fulfill a narrowband large group delay by using a compact half‐mode substrate integrated waveguide structure built on thin substrate. The ENZ channel possesses a finite… read more here.
Keywords: group delay; epsilon near; group; near zero ... See more keywords