Hsu‐Cheng Hsu
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View article: Cascaded exciton-photon coupling in hybrid Tamm plasmon–Fabry-Pérot cavities embedded with perovskite quantum dots
Cascaded exciton-photon coupling in hybrid Tamm plasmon–Fabry-Pérot cavities embedded with perovskite quantum dots Open
We demonstrate a hybrid photonic architecture in which excitons from CsPbBr 3 quantum dots (QDs) strongly couple with both Tamm plasmon (TP) and Fabry-Pérot (FP) resonances, leading to the formation of hybridized exciton-polariton states. …
View article: Color‐Filter‐Free Image Sensor Using CsPbBr <sub>3</sub> Quantum‐Dot‐Based Tamm Plasmon Photodetector for Photonic Synapse Facial Recognition
Color‐Filter‐Free Image Sensor Using CsPbBr <sub>3</sub> Quantum‐Dot‐Based Tamm Plasmon Photodetector for Photonic Synapse Facial Recognition Open
This study demonstrates that optical absorption of the CsPbBr 3 quantum dots can be significantly enhanced through monolithic integration with the Tamm plasmon (TP) structure. This integration enables the resulting TP photodetector to achi…
View article: Achieving long-term water stability and strong exciton–photon coupling in CsPbBr<sub>3</sub> quantum dots via MOF encapsulation
Achieving long-term water stability and strong exciton–photon coupling in CsPbBr<sub>3</sub> quantum dots via MOF encapsulation Open
CsPbBr 3 perovskite quantum dots (QDs) are renowned for their exceptional optical properties, including high quantum efficiency, strong exciton binding energy, and tunable emission wavelengths. However, their practical application is hinde…
View article: Dark matter annual modulation analysis with combined nuclear and electron recoil channels
Dark matter annual modulation analysis with combined nuclear and electron recoil channels Open
After decades of experimental efforts, the DAMA/LIBRA(DL) annual modulation (AM) analysis on the χN (WIMP dark matter interactions on nucleus) channel remains the only one which can be interpreted as positive signatures. This has been refu…
View article: Dark Matter Annual Modulation Analysis with Combined Nuclear and Electron Recoil Channels
Dark Matter Annual Modulation Analysis with Combined Nuclear and Electron Recoil Channels Open
After decades of experimental efforts, the DAMA/LIBRA(DL) annual modulation (AM) analysis on the $χN$ (WIMP Dark Matter interactions on nucleus) channel remains the only one which can be interpreted as positive signatures. This has been re…
View article: Enhanced photovoltaic performance and longevity of perovskite modules via interface engineering of transport layer
Enhanced photovoltaic performance and longevity of perovskite modules via interface engineering of transport layer Open
This research presents interfacial engineering of large-area perovskite solar modules. The quality of the interface between the electron transport layer (ETL) and the perovskite layer is studied, because it significantly affects the optoel…
View article: New Limits on Coherent Neutrino Nucleus Elastic Scattering Cross Section at the Kuo-Sheng Reactor Neutrino Laboratory
New Limits on Coherent Neutrino Nucleus Elastic Scattering Cross Section at the Kuo-Sheng Reactor Neutrino Laboratory Open
Neutrino nucleus elastic scattering (νAel) with reactor neutrinos is an interaction under full quantum-mechanical coherence. It has not yet been experimentally observed. We present new results on the studies of νAel cross section with an e…
View article: Enhancing Optical and Thermal Stability of Blue-Emitting Perovskite Nanocrystals through Surface Passivation with Sulfonate or Sulfonic Acid Ligands
Enhancing Optical and Thermal Stability of Blue-Emitting Perovskite Nanocrystals through Surface Passivation with Sulfonate or Sulfonic Acid Ligands Open
This study aims to enhance the optical and thermal properties of cesium-based perovskite nanocrystals (NCs) through surface passivation with organic sulfonate (or sulfonic acid) ligands. Four different phenylated ligands, including sodium …
View article: Flexible water-resistant bamboo-like perovskite-embedded polymer nano/microfibers exhibiting Fabry–Pérot lasing
Flexible water-resistant bamboo-like perovskite-embedded polymer nano/microfibers exhibiting Fabry–Pérot lasing Open
Methylammonium lead bromide perovskite (MAPbBr3)-embedded nano- and micro-fibers are successfully fabricated by using the uniaxial electrospinning technique. Through the study of solidification and coordination between perovskite with hybr…
View article: Advancements in nanoscale coherent emitters: The development of substrate-free surface plasmon nanolasers
Advancements in nanoscale coherent emitters: The development of substrate-free surface plasmon nanolasers Open
The surface plasmon effect can be used to confine electromagnetic fields to a small footprint measuring tens of nanometers. The resultant resonant cavities function as optimal coherent light sources with subwavelength scale configurations.…
View article: Controlled Cavity Length and Wide-Spectrum Lasing in FAMACsPb(BrI)3 Ternary Perovskite Vertical-Cavity Surface-Emitting Lasers with an All-Dielectric Dielectric Bragg Reflector
Controlled Cavity Length and Wide-Spectrum Lasing in FAMACsPb(BrI)3 Ternary Perovskite Vertical-Cavity Surface-Emitting Lasers with an All-Dielectric Dielectric Bragg Reflector Open
In this study, we utilized a dielectric Bragg reflector (DBR) as a mirror and positioned a wide-spectrum FAMACsPb(BrI)3 halide perovskite film between two DBRs to construct a vertical-cavity surface-emitting laser (VCSEL) structure. The to…
View article: Random Laser Emission from Fiber coated ZnO
Random Laser Emission from Fiber coated ZnO Open
Random lasing from a solid-state gain medium prepared on photonic crystal fibre (PCF) is observed for the first time. Vertically aligned ZnO microrods were prepared on PCF using a simple technique of chemical bath deposition (CBD). A low l…
View article: Probing the strength of light–matter interaction in semiconductor microcavities by using resonant-mode shifts in temperature-dependent photoluminescence spectra
Probing the strength of light–matter interaction in semiconductor microcavities by using resonant-mode shifts in temperature-dependent photoluminescence spectra Open
The Rabi-splitting energy represents the strength of light–matter interaction. This quantity is a good benchmark for evaluating the performance of light-modulation devices. Herein, we adopt ZnO microrods as microcavities for whispering gal…
View article: Random Lasing Emission of ZnO Nanorods from Different Seeding Thickness
Random Lasing Emission of ZnO Nanorods from Different Seeding Thickness Open
We present the growth of ZnO nanorods (NRods) prepared by chemical bath deposition on 100 nm and 200 nm ZnO seed layer sputtered on glass substrate. The structural and optical properties of ZnO NRods were investigated by Field Emission Sca…
View article: Characteristics of multi-mode lasing in cesium lead bromide perovskite microwires with an isosceles right triangle cross-section
Characteristics of multi-mode lasing in cesium lead bromide perovskite microwires with an isosceles right triangle cross-section Open
The CsPbBr 3 microwires with unique isosceles right triangle cross-sections are commonly observed via chemical vapor deposition method. In this work, we study the correlations between measured multi-mode lasing behaviors and the simulation…
View article: Random laser behavior in Gold-doped Zinc Oxide nanorods structures
Random laser behavior in Gold-doped Zinc Oxide nanorods structures Open
The random laser was investigated in gold-doped Zinc Oxide nanorods (Au-doped ZnO NRs) under a range of pumping power 0.25 - 4.66 mW. The Au-doped ZnO NRs prepared by chemical bath deposition (CBD) on the ZnO seed layer, were pre-coated on…
View article: Physical and optical effect of ZnO nanowalls to nanoflakes on random lasing emission
Physical and optical effect of ZnO nanowalls to nanoflakes on random lasing emission Open
Random lasing emission was investigated from different ZnO nanostructures: a transition from nanowalls to nanoflakes; prepared on seeded glass substrate using simple chemical bath deposition method. The transition geometry of ZnO nanostruc…
View article: Performance Comparison between the Nanoporous NiO<sub><i>x</i></sub> Layer and NiO<sub><i>x</i></sub> Thin Film for Inverted Perovskite Solar Cells with Long-Term Stability
Performance Comparison between the Nanoporous NiO<sub><i>x</i></sub> Layer and NiO<sub><i>x</i></sub> Thin Film for Inverted Perovskite Solar Cells with Long-Term Stability Open
The development of hole-transport layers (HTLs) that elevate charge extraction, improve perovskite crystallinity, and decrease interfacial recombination is extremely important for enhancing the performance of inverted perovskite solar cell…
View article: Synthesis of Red Cesium Lead Bromoiodide Nanocrystals Chelating Phenylated Phosphine Ligands with Enhanced Stability
Synthesis of Red Cesium Lead Bromoiodide Nanocrystals Chelating Phenylated Phosphine Ligands with Enhanced Stability Open
Two new phosphine ligands, diphenylmethylphosphine (DPMP) and triphenylphosphine (TPP), were introduced onto cesium lead bromoiodide nanocrystals (CsPbBrI2 NCs) to improve air stability in the ambient atmosphere. Incorporating DPMP or TPP …
View article: Transformation of the Peregrine Breather Into Gray Solitons on a Vertically Sheared Current
Transformation of the Peregrine Breather Into Gray Solitons on a Vertically Sheared Current Open
In this Brief Research Report, we show, within the framework of the nonlinear Schrödinger equation in deep water and in the presence of vorticity (vor-NLS), that the Peregrine breather traveling at the free surface of a shear current of sl…
View article: EVOLUTION OF UNSTABLE WAVE PACKETS OVER VARIABLE BATHYMETRY
EVOLUTION OF UNSTABLE WAVE PACKETS OVER VARIABLE BATHYMETRY Open
Several field observations have reported the formation of rogue waves in coastal zones, see Chien et al. (2002) for an example in Taiwanese sea. The mechanisms that lead to the occurrence of rogue waves in finite water depth to shallow wat…
View article: Random lasing in cesium lead iodide (CsPbI<sub>3</sub>) thin films with no surface passivation
Random lasing in cesium lead iodide (CsPbI<sub>3</sub>) thin films with no surface passivation Open
We report the CsPbI 3 random lasing at room temperature fabricated by a chemical deposition method. The CsPbI 3 thin films with high crystalline quality have intense PL emission and easily achieve the lasing behavior with the Q-factor valu…
View article: 1-to-100-micron surface height full-field 3D topography by use of the external reflectance versus height conversion method
1-to-100-micron surface height full-field 3D topography by use of the external reflectance versus height conversion method Open
We propose “the external reflectance versus height conversion (ERHC) method” for measuring the full-field three-dimensional surface topography of a sample height from one micron to 100 micrometers. It is similar to the camera method, captu…
View article: High-Performance Perovskite-Based Light-Emitting Diodes from the Conversion of Amorphous Spin-Coated Lead Bromide with Phenethylamine Doping
High-Performance Perovskite-Based Light-Emitting Diodes from the Conversion of Amorphous Spin-Coated Lead Bromide with Phenethylamine Doping Open
Large-grained and well-oriented methylammonium lead tribromide (MAPbBr3) perovskite was formed from the conversion of amorphous lead bromide (PbBr2) doped with phenethylamine (PEA). The addition of PEA ions (with an optimized molar ratio o…
View article: Enhanced ultraviolet electroluminescence from ZnO nanoparticles via decoration of partially oxidized Al layer
Enhanced ultraviolet electroluminescence from ZnO nanoparticles via decoration of partially oxidized Al layer Open
We construct the ZnO-based superluminescent light-emitting diodes (SLEDs) by spin-coating ZnO nano-particles onto p-GaN/sapphire substrate. By inserting another thin Al layer to form an n-ZnO/Al/n-ZnO/p-GaN sandwich structured SLD, the int…
View article: Capabilities of time-resolved X-ray excited optical luminescence of the Taiwan Photon Source 23A X-ray nanoprobe beamline
Capabilities of time-resolved X-ray excited optical luminescence of the Taiwan Photon Source 23A X-ray nanoprobe beamline Open
Time-resolved X-ray excited optical luminescence (TR-XEOL) was developed successfully for the 23A X-ray nanoprobe beamline located at the Taiwan Photon Source (TPS). The advantages of the TR-XEOL facility include (i) a nano-focused X-ray b…
View article: Transverse instability of gravity–capillary solitary waves on deep water in the presence of constant vorticity
Transverse instability of gravity–capillary solitary waves on deep water in the presence of constant vorticity Open
The bifurcation of two-dimensional gravity–capillary waves into solitary waves when the phase velocity and group velocity are nearly equal is investigated in the presence of constant vorticity. We found that gravity–capillary solitary wave…