Yanxia Cui
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View article: Stable-wavelength perovskite nanoplatelet laser via mixed-phase engineering
Stable-wavelength perovskite nanoplatelet laser via mixed-phase engineering Open
Perovskites have attracted widespread attention for laser applications due to their excellent optoelectronic properties. However, perovskite lasers typically exhibit a wavelength shift as pump density increases. Here, we report a pump-indu…
View article: Unravel the Role of Atomic Layer Deposited Al <sub>2</sub> O <sub>3</sub> with Different Precursors on Optoelectronic Properties of IGZO Synaptic Transistors
Unravel the Role of Atomic Layer Deposited Al <sub>2</sub> O <sub>3</sub> with Different Precursors on Optoelectronic Properties of IGZO Synaptic Transistors Open
Extending the visible light response of indium gallium zinc oxide (IGZO) phototransistors is crucial for advanced optical neuromorphic computing and artificial visual perception systems. Using water (H 2 O) as the oxidant during atomic lay…
View article: 2D Perovskite/Organic Heterojunction Black‐Light Level Photodetector with Record‐High Detectivity
2D Perovskite/Organic Heterojunction Black‐Light Level Photodetector with Record‐High Detectivity Open
2D single‐crystal perovskites have attracted interest due to their excellent photoelectric properties and improved moisture stability, making them promising for various optoelectronic applications. However, challenges remain, particularly …
View article: Grain size control in quasi-two-dimensional perovskite thin film via intermediate phase engineering for efficient bound exciton generation
Grain size control in quasi-two-dimensional perovskite thin film via intermediate phase engineering for efficient bound exciton generation Open
Quasi-two dimensional (2D) perovskites have emerged as a promising class of materials due to their remarkable photoluminescence efficiency, which stems from their exceptionally high exciton binding energies. The spatial confinement of exci…
View article: Transparent and Reusable Nanostencil Lithography for Organic–Inorganic Hybrid Perovskite Nanodevices (Adv. Funct. Mater. 29/2023)
Transparent and Reusable Nanostencil Lithography for Organic–Inorganic Hybrid Perovskite Nanodevices (Adv. Funct. Mater. 29/2023) Open
Perovskite-Compatible Transparent Nanostencil Lithography In article number 2300570, Hsien-Yi Hsu, Bin Han, and co-workers develop a focused ion beam-assisted transparent stencil lithography for the fabrication of organic-inorganic hybrid …
View article: Localized Bound Multiexcitons in Engineered Quasi‐2D Perovskites Grains at Room Temperature for Efficient Lasers
Localized Bound Multiexcitons in Engineered Quasi‐2D Perovskites Grains at Room Temperature for Efficient Lasers Open
Reducing the excitation threshold to minimize the Joule heating is critical for the realization of perovskite laser diodes. Although bound excitons are promising for low threshold laser, how to generate them at room temperature for laser a…
View article: Efficient heat dissipation perovskite lasers using a high-thermal-conductivity diamond substrate
Efficient heat dissipation perovskite lasers using a high-thermal-conductivity diamond substrate Open
Efficient heat dissipation that can minimize temperature increases in device is critical in realizing electrical injection lasers. High-thermal-conductivity diamonds are promising for overcoming heat dissipation limitations for perovskite …
View article: Atomic-level Chemical Reaction Promoting External Quantum Efficiency of Organic Photodetector Exceeding 10^8% for Weak-Light Detection
Atomic-level Chemical Reaction Promoting External Quantum Efficiency of Organic Photodetector Exceeding 10^8% for Weak-Light Detection Open
Low-cost, solution-processed photomultiplication organic photodetectors (PM-OPDs) with external quantum efficiency (EQE) above unity have attracted enormous attention. However, their weak-light detection is unpleasant because the anode Ohm…
View article: An outbreak of Mycobacterium marinum infection associated with handling seabass in China
An outbreak of Mycobacterium marinum infection associated with handling seabass in China Open
To the Editor: Mycobacterium marinum is a nontuberculous mycobacterium that can cause opportunistic infections in humans, ranging from a single cutaneous lesion to disseminated disease.[1] It was first isolated from a fish in 1926 and iden…
View article: Organic Photodetectors with Extended Spectral Response Range Assisted by Plasmonic Hot-Electron Injection
Organic Photodetectors with Extended Spectral Response Range Assisted by Plasmonic Hot-Electron Injection Open
Organic photodetectors (OPDs) have aroused intensive attention for signal detection in industrial and scientific applications due to their advantages including low cost, mechanical flexibility, and large-area fabrication. As one of the mos…
View article: Enhancing Hot-Electron Photodetection of a TiO2/Au Schottky Junction by Employing a Hybrid Plasmonic Nanostructure
Enhancing Hot-Electron Photodetection of a TiO2/Au Schottky Junction by Employing a Hybrid Plasmonic Nanostructure Open
Hot-electron photodetectors (HEPDs) are triggering a strong surge of interest in applications of image sensors and optics communication, since they can realize photoelectric responses when the incident photon energy is lower than the bandw…
View article: Transfer Printing of Perovskite Whispering Gallery Mode Laser Cavities by Thermal Release Tape
Transfer Printing of Perovskite Whispering Gallery Mode Laser Cavities by Thermal Release Tape Open
The outstanding optoelectrical properties and high-quality factor of whispering gallery mode perovskite nanocavities make it attractive for applications in small lasers. However, efforts to make lasers with better performance have been ham…
View article: Research Progress Towards Perovskite Electrical Driven Lasers
Research Progress Towards Perovskite Electrical Driven Lasers Open
：Solution-processed perovskites，having excellent optical and electrical properties，can serve as a kind of promising electrically driven laser gain medium.In recent years，progresses to-
View article: Degradation Mechanism of Perovskite under High Charge Carrier Density Condition
Degradation Mechanism of Perovskite under High Charge Carrier Density Condition Open
Extensive studies have focused on degradation of perovskite at low charge carrier density (<10^16 cm^-3), but few have surveyed the degradation mechanism at high charge carrier density (~10^18 cm^-3). Here, we investigate the degradation m…
View article: Photodetector Based on CsPbBr3/Cs4PbBr6 Composite Nanocrystals with High Detectivity
Photodetector Based on CsPbBr3/Cs4PbBr6 Composite Nanocrystals with High Detectivity Open
High-quality, all-inorganic CsPbBr3/Cs4PbBr6 composite perovskite nanocrystals (NCs) were obtained with all-solution-processing at room temperature, and a photodetector (PD) with high detectivity was realized based on CsPbBr3/Cs4PbBr6 NCs.…
View article: High-responsivity, High-detectivity Photomultiplication Organic Photodetector Realized by a Metal-Insulator-Semiconductor Tunneling Junction
High-responsivity, High-detectivity Photomultiplication Organic Photodetector Realized by a Metal-Insulator-Semiconductor Tunneling Junction Open
Organic photodetectors (OPDs) possess bright prospects in applications of medical imaging and wearable electronics due to the advantages such as low cost, good biocompatibility, and good flexibility. Photomultiplication OPDs (PM-OPDs) enab…
View article: Maxwell's demon-like nonreciprocity by non-Hermitian gyrotropic metasurfaces
Maxwell's demon-like nonreciprocity by non-Hermitian gyrotropic metasurfaces Open
We show that Maxwell's demon-like nonreciprocity can be supported in a class\nof non-Hermitian gyrotropic metasurfaces in the linear regime. The proposed\nmetasurface functions as a transmission-only Maxwell's demon operating at a\npair of…
View article: Application of heterostructures in halide perovskite photovoltaic devices
Application of heterostructures in halide perovskite photovoltaic devices Open
Perovskites are widely used in various kinds of optoelectronic devices, including solar cells, photodetectors, light-emitting diodes, etc., due to their excellent properties such as long carrier diffusion length, high absorption coefficien…
View article: Metasurfaces Composed of Plasmonic Molecules: Hybridization Between Parallel and Orthogonal Surface Lattice Resonances
Metasurfaces Composed of Plasmonic Molecules: Hybridization Between Parallel and Orthogonal Surface Lattice Resonances Open
Multiple surface lattice resonances suppress radiative losses effectively around several spectral positions, thereby enhancing the light‐matter interactions and making them promising for multiwavelength related applications, and it is impo…
View article: Broadband and wide-angle light absorption of organic solar cells based on multiple-depths metal grating
Broadband and wide-angle light absorption of organic solar cells based on multiple-depths metal grating Open
A silver grating containing three grooves with different depths in one period was proposed as the back electrode for improving light absorption in organic solar cells. We found that the broadband absorption enhancement of the active layer …
View article: Improving Performance of Organic Photodetectors based on Trap Assisted Photomultiplication through Adjusting Photogenerated Carrier Distributions
Improving Performance of Organic Photodetectors based on Trap Assisted Photomultiplication through Adjusting Photogenerated Carrier Distributions Open
Organic photodetectors (OPDs) based on trap-assisted photomultiplication (PM) effect with external quantum efficiency (EQE) far exceeding 100% are quite appealing for achieving highly sensitive photodetection. A classic structure of PM-typ…
View article: Research Progress in Organic Photomultiplication Photodetectors
Research Progress in Organic Photomultiplication Photodetectors Open
Organic photomultiplication photodetectors have attracted considerable research interest due to their extremely high external quantum efficiency and corresponding high detectivity. Significant progress has been made in the aspects of their…
View article: High Performance Ultrathin MoO3/Ag Transparent Electrode and Its Application in Semitransparent Organic Solar Cells
High Performance Ultrathin MoO3/Ag Transparent Electrode and Its Application in Semitransparent Organic Solar Cells Open
In this paper, we demonstrate high performance ultrathin silver (Ag) transparent electrodes with a thin MoO3 nucleation layer based on the thermal evaporation method. The MoO3/Ag transparent electrodes fabricated at different deposition ra…
View article: High power continuous wave second harmonic generation in a phase matching insensitive MgO doped LiNbO_3 waveguide
High power continuous wave second harmonic generation in a phase matching insensitive MgO doped LiNbO_3 waveguide Open
This paper reports an efficient method of using a chirped grating to reduce the phase-matching sensitivity and increase the output power of continuous wave second harmonic generation in a MgO doped LiNbO3 waveguide. It was found that using…
View article: Absorption Enhancement in Thin Organic Solar Cells With MoO3/Ag/MoO3 Transparent Anode Based on Short-Pitched Metallic Grating
Absorption Enhancement in Thin Organic Solar Cells With MoO3/Ag/MoO3 Transparent Anode Based on Short-Pitched Metallic Grating Open
The multilayer film consisting of MoO3/Ag/MoO3 (shortened as MAM) is very promising as an alternative of indium-tin oxide (ITO) to work as the transparent anode in organic solar cells (OSCs). In MAM-based thin OSCs, the absorption of light…
View article: Tungsten based anisotropic metamaterial as an ultra-broadband absorber
Tungsten based anisotropic metamaterial as an ultra-broadband absorber Open
We show theoretically that an array of tungsten/germanium anisotropic nano-cones placed on top of a reflective substrate can absorb light at the wavelength range from 0.3 μm to 9 μm with an average absorption efficiency approaching 98%. It…