Yikai Liao
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View article: Top-down micro and nano structuring of wide bandgap semiconductors for ultraviolet photodetection
Top-down micro and nano structuring of wide bandgap semiconductors for ultraviolet photodetection Open
This review focuses on top-down dry and wet etching of III-nitrides, SiC, Ga 2 O 3 , and diamond to create micro/nanostructured UV photodetectors, enabling enhanced light trapping and improved device performance.
View article: Gallium-V antireflective nanostructures by metal-assisted chemical etching for photodetector application
Gallium-V antireflective nanostructures by metal-assisted chemical etching for photodetector application Open
With the ability to convert light signal into electrical signal, photodetectors (PDs) have been playing a crucial role in a variety of applications like imaging, environmental monitoring and military. Group III-V compound semiconductors ha…
View article: First-Principles Investigation of Point Defects on the Thermal Conductivity and Mechanical Properties of Aluminum at Room Temperature
First-Principles Investigation of Point Defects on the Thermal Conductivity and Mechanical Properties of Aluminum at Room Temperature Open
The effects of point defects on the mechanical and thermal conductivity of aluminum at room temperature have been investigated based on the first-principles calculations combined with the Boltzmann equation and the Debye model. The calcula…
View article: High orbital angular momentum lasing with tunable degree of chirality in a symmetry-broken microcavity
High orbital angular momentum lasing with tunable degree of chirality in a symmetry-broken microcavity Open
Chiral lasers with orbital angular momenta (OAM) are building blocks in developing high-dimensional integrated photonic devices. However, it remains demanding to arbitrarily manipulate the precise degree of chirality (DOC) and quantum numb…
View article: Antireflective GaN Nanoridge Texturing by Metal-Assisted Chemical Etching via a Thermally Dewetted Pt Catalyst Network for Highly Responsive Ultraviolet Photodiodes
Antireflective GaN Nanoridge Texturing by Metal-Assisted Chemical Etching via a Thermally Dewetted Pt Catalyst Network for Highly Responsive Ultraviolet Photodiodes Open
Antireflective (AR) surface texturing is a feasible way to boost the light absorption of photosensitive materials and devices. As a plasma-free etching method, metal-assisted chemical etching (MacEtch) has been employed for fabricating GaN…
View article: High Orbital Angular Momentum Lasing with Tunable Degree of Chirality in a Symmetry-Broken Microcavity
High Orbital Angular Momentum Lasing with Tunable Degree of Chirality in a Symmetry-Broken Microcavity Open
Chiral lasers with orbital angular momenta (OAM) are building blocks in developing high-dimensional integrated photonic devices. However, it remains demanding to arbitrarily manipulate the precise degree of chirality (DOC) and quantum numb…
View article: Plasma-free metal-assisted chemical etching producing three-dimensional gallium nitride structures
Plasma-free metal-assisted chemical etching producing three-dimensional gallium nitride structures Open
Gallium nitride (GaN) is a third-generation wide bandgap semiconductor well-suited for power electronics and ultraviolet optoelectronics.
View article: Flexible TiN/Ge photodetectors with enhanced responsivity <i>via</i> localized surface plasmon resonance and strain modulation
Flexible TiN/Ge photodetectors with enhanced responsivity <i>via</i> localized surface plasmon resonance and strain modulation Open
Near infrared (NIR) photodetectors (PDs) have attracted great attention for their applications in the field of optical telecommunication.
View article: Direct Chemisorption-Assisted Nanotransfer Printing with Wafer-Scale Uniformity and Controllability
Direct Chemisorption-Assisted Nanotransfer Printing with Wafer-Scale Uniformity and Controllability Open
Nanotransfer printing techniques have attracted significant attention due to their outstanding simplicity, cost-effectiveness, and high throughput. However, conventional methods via a chemical medium hamper the efficient fabrication…
View article: A heavily doped germanium pyramid array for tunable optical antireflection in the broadband mid-infrared range
A heavily doped germanium pyramid array for tunable optical antireflection in the broadband mid-infrared range Open
A highly ordered microscale Ge inverted pyramid array is fabricated by HF-free metal-assisted chemical etching. Doping in the structure significantly modifies the reflection behavior in the mid-infrared region.
View article: Ultraviolet antireflective porous nanoscale periodic hole array of 4H-SiC by Photon-Enhanced Metal-assisted chemical etching
Ultraviolet antireflective porous nanoscale periodic hole array of 4H-SiC by Photon-Enhanced Metal-assisted chemical etching Open
View article: Flexible Titanium Nitride/Germanium-Tin Photodetectors Based on Sub-Bandgap Absorption
Flexible Titanium Nitride/Germanium-Tin Photodetectors Based on Sub-Bandgap Absorption Open
We report an enhanced performance of flexible titanium nitride/germanium-tin (TiN/GeSn) photodetectors (PDs) with an extended photodetection range based on sub-bandgap absorption. Single-crystalline GeSn membranes transfer-printed on poly(…
View article: Predicting ICD-9 Codes Using Self-Report of Patients
Predicting ICD-9 Codes Using Self-Report of Patients Open
The International Classification of Diseases (ICD) is a globally recognized medical classification system that aids in the identification of diseases and the regulation of health trends. The ICD framework makes it easy to keep track of rec…
View article: Revealing Coupling Strength in Biological Plasmon-Exciton Systems through Far-Field Microscopy
Revealing Coupling Strength in Biological Plasmon-Exciton Systems through Far-Field Microscopy Open
Optical coupling plays a pivotal role in nanophotonic systems, which can be divided into weak, intermediate, and strong coupling regimes. Determining coupling strength is, therefore, the key to understanding light-matter interactions. Stat…
View article: Two-Dimensional Gallium Oxide Monolayer for Gas-Sensing Application
Two-Dimensional Gallium Oxide Monolayer for Gas-Sensing Application Open
A two-dimensional (2D) Ga2O3 monolayer with an asymmetric quintuple-layer configuration was reported as a novel 2D material with excellent stability and strain tunability. This unusual asymmetrical structure opens up new possibilities for …
View article: A highly ordered and damage-free Ge inverted pyramid array structure for broadband antireflection in the mid-infrared
A highly ordered and damage-free Ge inverted pyramid array structure for broadband antireflection in the mid-infrared Open
A highly ordered and damage-free microscale Ge inverted pyramid array is fabricated by HF-free metal-assisted chemical etching. The inverted pyramid exhibits significant broadband antireflection properties in the mid-infrared region.