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View article: Constructing a bifunctional platform based on Mn2+-doped Mg2Y8(SiO4)6O2 phosphors for multi-parameter optical thermometry and manometry
Constructing a bifunctional platform based on Mn2+-doped Mg2Y8(SiO4)6O2 phosphors for multi-parameter optical thermometry and manometry Open
Series of the Mn2+-doped Mg2Y8(SiO4)6O2 phosphors were synthesized. Upon excitation at 408 nm, these phosphors exhibited intense orange emission originating from Mn2+, with concentration quenching observed beyond x = 0.07, and they also de…
View article: Tailoring the Luminescence Properties of Cs<sub><b>2</b></sub>TeCl<sub><b>6</b></sub> Nanocrystals <i>via</i> High-Pressure and Low-Temperature Stimuli for Multiparameter Optical Manometry and Thermometry
Tailoring the Luminescence Properties of Cs<sub><b>2</b></sub>TeCl<sub><b>6</b></sub> Nanocrystals <i>via</i> High-Pressure and Low-Temperature Stimuli for Multiparameter Optical Manometry and Thermometry Open
To search for a bifunctional luminescent platform for optical manometry and thermometry, Cs2TeCl6 nanocrystals were prepared. Excited at 456 nm, the designed nanocrystals emitted dazzling orange emission, whose fluore…
View article: Spectral Regulation in Cs<sub>2</sub>PtCl<sub>6</sub> Double Perovskite via Low-Temperature and High-Pressure Engineering for Advanced Optical Thermometry and Manometry
Spectral Regulation in Cs<sub>2</sub>PtCl<sub>6</sub> Double Perovskite via Low-Temperature and High-Pressure Engineering for Advanced Optical Thermometry and Manometry Open
To build a bifunctional luminescent platform for optical thermometry and manometry, the Cs2PtCl6 double perovskite was synthesized. Upon 468 nm excitation, the designed compound emitted bright red light centered at ≈6…
View article: Mode-Selective by Phase-Matching Coupling to Guided Modes in Multilayer Germanium Grating for Narrow Linewidth in Wavelength Precision Photodetection
Mode-Selective by Phase-Matching Coupling to Guided Modes in Multilayer Germanium Grating for Narrow Linewidth in Wavelength Precision Photodetection Open
High-efficiency and narrow-linewidth photodetectors are critical for advanced optical communication systems, especially in dense wavelength division multiplexing (DWDM) applications. This study introduces a novel photodetector featuring a …
View article: Enhancing external quantum efficiency in a sky-blue OLED by charge transfer via Si quantum dots
Enhancing external quantum efficiency in a sky-blue OLED by charge transfer via Si quantum dots Open
Organic light-emitting diodes aim to achieve high efficiency by using excitons to achieve a 100% quantum efficiency (QE). However, developing functional organic materials for this purpose can be time-consuming. To address this challenge, a…
View article: Enhancing external quantum efficiency in a sky-blue OLED by charge transfer via Si quantum dots
Enhancing external quantum efficiency in a sky-blue OLED by charge transfer via Si quantum dots Open
Organic light-emitting diodes (OLEDs) aim to achieve high efficiency by using excitons to achieve a 100% quantum efficiency (QE). However, developing functional organic materials for this purpose can be time-consuming. To address this chal…
View article: New Scheme of MEMS-Based LiDAR by Synchronized Dual-Laser Beams for Detection Range Enhancement
New Scheme of MEMS-Based LiDAR by Synchronized Dual-Laser Beams for Detection Range Enhancement Open
A new scheme presents MEMS-based LiDAR with synchronized dual-laser beams for detection range enhancement and precise point-cloud data without using higher laser power. The novel MEMS-based LiDAR module uses the principal laser light to bu…
View article: High detectivity Ge photodetector at 940 nm achieved by growing strained-Ge with a top Si stressor
High detectivity Ge photodetector at 940 nm achieved by growing strained-Ge with a top Si stressor Open
We have developed a self-powered near-infrared photodetector (PD) with high detectivity using a tensile strained Ge layer capped with a thick Si layer. The Si layer acts as a stressor and maintains the strain of Ge with minimal dislocation…
View article: High-Efficiency Broadband Infrared Thin-Film Germanium Photodetector Enhanced by a Resonant Cavity and a Nano-Slit Metasurface
High-Efficiency Broadband Infrared Thin-Film Germanium Photodetector Enhanced by a Resonant Cavity and a Nano-Slit Metasurface Open
This paper presents a novel design for high-quantum-efficiency and broadband Ge-on-Si photodetectors. The design entails placing a SiO2-filled nano-slit metasurface on a free-standing resonant-cavity enhanced (RCE) Ge structure to achieve …
View article: High-absorbance resonant-cavity-enhanced free-standing Ge photodetector for infrared detection at 1550 nm wavelength
High-absorbance resonant-cavity-enhanced free-standing Ge photodetector for infrared detection at 1550 nm wavelength Open
A novel free-standing resonant-cavity-enhanced (RCE) Ge thin-film absorber is designed with a bottom distributed Bragg reflector (DBR) for infrared photodetection at 1550 nm wavelength based on a Si substrate. The free-standing structure o…
View article: Exciton Up-Conversion by Well-Distributed Carbon Quantum Dots in Luminescent Materials for an Efficient Organic Light-Emitting Diode
Exciton Up-Conversion by Well-Distributed Carbon Quantum Dots in Luminescent Materials for an Efficient Organic Light-Emitting Diode Open
In this work, we proposed an efficient and straightforward up-conversion process to enhance the external quantum efficiency in a red-emission organic light-emitting diode (OLED). The carbon quantum dots in the luminescent materials initiat…
View article: Embedding LiDAR and smart laser headlight in a compact module for autonomous driving
Embedding LiDAR and smart laser headlight in a compact module for autonomous driving Open
A headlight module embedding smart laser headlights and a LiDAR is presented. The headlights include blue lasers for the high beam, and blue LEDs for the low beam, each with a high efficiency glass phosphor-converter we have fabricated. Th…
View article: Solution-Processed Titanium Oxide for Rear Contact Improvement in Heterojunction Solar Cells
Solution-Processed Titanium Oxide for Rear Contact Improvement in Heterojunction Solar Cells Open
In this work, we demonstrated a heterojunction Si solar cell utilizing chemically grown titanium oxide (TiOx) as an electron-selective contact layer at its rear surface. With TiOx, the rear surface was passivated to reduce carrier recombin…
View article: New scheme of LiDAR-embedded smart laser headlight for autonomous vehicles
New scheme of LiDAR-embedded smart laser headlight for autonomous vehicles Open
A new scheme of LiDAR-embedded smart laser headlight module (LHM) for autonomous vehicles is proposed and demonstrated. The LiDAR sensor was fabricated by LeddarTech with the wavelength of 905-nm, whereas the LHM was fabricated by a highly…
View article: Connected AZO Nanorods for Sensitivity Enhancement of Chemical Sensors at Room Temperature
Connected AZO Nanorods for Sensitivity Enhancement of Chemical Sensors at Room Temperature Open
In this work, the vertically aligned, high conductive Al-doped ZnO nanorod thin film was prepared by multi-layers grown method in solution process .This method of connected nanorod structure is unique of its kind compared with existing hyd…
View article: Low-Temperature, Chemically Grown Titanium Oxide Thin Films with a High Hole Tunneling Rate for Si Solar Cells
Low-Temperature, Chemically Grown Titanium Oxide Thin Films with a High Hole Tunneling Rate for Si Solar Cells Open
In this paper, we propose a chemically grown titanium oxide (TiO2) on Si to form a heterojunction for photovoltaic devices. The chemically grown TiO2 does not block hole transport. Ultraviolet photoemission spectroscopy was used to study t…