Guichuan Xing
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View article: Giant dipoles and superfluorescence in perovskite superlattices for optical transistors under ambient conditions
Giant dipoles and superfluorescence in perovskite superlattices for optical transistors under ambient conditions Open
The giant dipole is a collective state of coherent dipole coupling that contributes to our understanding of macroscopic quantum transitions and offers significant potential for quantum computing. Traditionally, the creation of giant dipole…
View article: Improving Performance of Quasi-2D Perovskite Light-Emitting Diodes by Solvent Atmospheric Post-Treatment
Improving Performance of Quasi-2D Perovskite Light-Emitting Diodes by Solvent Atmospheric Post-Treatment Open
Perovskite light-emitting diodes (PeLEDs) have achieved remarkable progress in recent years, with green-emitting PeLEDs now exhibiting external quantum efficiencies (EQEs) exceeding 30%, rivaling those of organic light-emitting diodes (OLE…
View article: From Exciton Dynamics to Cell Fate: A Carbon Dot Based NIR Photocatalytic Platform for Pyroptosis via Self‐Trapped Excitons
From Exciton Dynamics to Cell Fate: A Carbon Dot Based NIR Photocatalytic Platform for Pyroptosis via Self‐Trapped Excitons Open
Near‐infrared (NIR) light‐triggered photocatalytic therapy remains a critical challenge in efficient reactive oxygen species (ROS) generation due to limited exciton utilization. Herein, a new kind of carbon dots (CDs) system is reported wi…
View article: Anion‐Cation Synergistic Regulation of Low‐Dimensional Perovskite Passivation Layer for Perovskite Solar Cells
Anion‐Cation Synergistic Regulation of Low‐Dimensional Perovskite Passivation Layer for Perovskite Solar Cells Open
Mixing 2D and 3D perovskite together is an effective strategy to enhance the stability of perovskite solar cells (PSCs). This strategy has been widely used in many recent works. Typically, 2D layer is formed by introducing 2D spacer onto 3…
View article: J-type assembled Pt(IV)-coordinated carbon dots for near-infrared light-triggered pyroptosis
J-type assembled Pt(IV)-coordinated carbon dots for near-infrared light-triggered pyroptosis Open
Near-infrared (NIR) light-triggered pyroptosis based on biocompatible Pt(IV)-coordinated nanomedicine for tumor precision therapy is challenging. Here, we disclose a supramolecular approach to construct a hollow-spherical supra-(carbon dot…
View article: Enhancing Amplified Spontaneous Emission in Perovskite Thin Films by Thickness Regulation: Insights into Carrier Distribution and Optical Confinement
Enhancing Amplified Spontaneous Emission in Perovskite Thin Films by Thickness Regulation: Insights into Carrier Distribution and Optical Confinement Open
Metal halide perovskites have emerged as compelling contenders for cost‐effective semiconductor lasers, with advancements driven by the refinement of the gain medium, resonant cavities, and device architectures. Elucidating the underlying …
View article: Room-temperature continuous-wave pumped exciton polariton condensation in a perovskite microcavity
Room-temperature continuous-wave pumped exciton polariton condensation in a perovskite microcavity Open
Microcavity exciton polaritons (polaritons) as part-light part-matter quasiparticles garner considerable attention for Bose-Einstein condensation at elevated temperatures. Recently, halide perovskites have emerged as promising room-tempera…
View article: Suppressing the penetration of 2D perovskites for enhanced stability of perovskite solar cells
Suppressing the penetration of 2D perovskites for enhanced stability of perovskite solar cells Open
As conventional surface passivation may damage perovskite films, fluorinated PEAI with different substitution positions was studied. The m-FPEAI shows the strongest steric hindrance, thus suppressing penetration and improving device perfor…
View article: Efficient and color stable blue perovskite light-emitting diodes achieved <i>via</i> dual-additive phase modulation
Efficient and color stable blue perovskite light-emitting diodes achieved <i>via</i> dual-additive phase modulation Open
EDACl 2 and NaBr additives enhanced blue PeLEDs (474 nm, 4.6% EQE) via phase and Cl control in quasi-2D perovskites, enabling stable emission.
View article: Carbon-based Perovskite Solar Cells: From Current Fabrication Methodologies to Their Future Commercialization at Low Cost
Carbon-based Perovskite Solar Cells: From Current Fabrication Methodologies to Their Future Commercialization at Low Cost Open
Carbon electrodes are increasingly recognized as a cost-effective, environmentally friendly, durable, and scalable alternative to metal electrodes in perovskite solar cells (PSCs). This review focuses on carbon-based PSCs (C-PSCs), specifi…
View article: Oriented Growth of Highly Emissive Manganese Halide Microrods for Dual‐Mode Low‐Loss Optical Waveguides
Oriented Growth of Highly Emissive Manganese Halide Microrods for Dual‐Mode Low‐Loss Optical Waveguides Open
Zero‐dimensional (0D) structured lead‐free metal halides have recently attracted widespread attention due to their high photoluminescence quantum yield (PLQY) and negligible self‐absorption, showing enormous potential as optical waveguides…
View article: Oriented Growth of Highly Emissive Manganese Halide Microrods for Dual‐Mode Low‐Loss Optical Waveguides
Oriented Growth of Highly Emissive Manganese Halide Microrods for Dual‐Mode Low‐Loss Optical Waveguides Open
Zero‐dimensional (0D) structured lead‐free metal halides have recently attracted widespread attention due to their high photoluminescence quantum yield (PLQY) and negligible self‐absorption, showing enormous potential as optical waveguides…
View article: Embedding Perovskite in Polymer Matrix Achieved Positive Temperature Response with Inversed Temperature Crystallization
Embedding Perovskite in Polymer Matrix Achieved Positive Temperature Response with Inversed Temperature Crystallization Open
Organic perovskites are promising semiconductor materials for advanced photoelectric applications. Their fluorescence typically shows a negative temperature coefficient due to bandgap change and structural instability. In this study, a nov…
View article: Achieving Near‐Unity Red Light Photoluminescence in Antimony Halide Crystals via Polyhedron Regulation
Achieving Near‐Unity Red Light Photoluminescence in Antimony Halide Crystals via Polyhedron Regulation Open
Exploration of efficient red emitting antimony hybrid halide with large Stokes shift and zero self‐absorption is highly desirable due to its enormous potential for applications in solid light emitting, and active optical waveguides. Howeve…
View article: Combination of Efficient Red Fluorescence and High Photothermal Conversion in the Second Near‐Infrared Window from Carbon Dots through Photoinduced Sodium‐Doping Approach
Combination of Efficient Red Fluorescence and High Photothermal Conversion in the Second Near‐Infrared Window from Carbon Dots through Photoinduced Sodium‐Doping Approach Open
Carbon dots (CDs) are highly desired in biological applications. However, achieving a balance between photoluminescence (PL) efficiency and photothermal conversion efficiency (PTCE) is challenging. In this study, an unprecedent combination…
View article: Vertically Concentrated Quantum Wells Enabling Highly Efficient Deep‐Blue Perovskite Light‐Emitting Diodes
Vertically Concentrated Quantum Wells Enabling Highly Efficient Deep‐Blue Perovskite Light‐Emitting Diodes Open
Deep‐blue perovskite light‐emitting diodes (PeLEDs) based on quasi‐two‐dimensional (quasi‐2D) systems exist heightened sensitivity to the domain distribution. The top‐down crystallization mode will lead to a vertical gradient distribution …
View article: Intermediate Phase Suppression with Long Chain Diammonium Alkane for High Performance Wide‐Bandgap and Tandem Perovskite Solar Cells
Intermediate Phase Suppression with Long Chain Diammonium Alkane for High Performance Wide‐Bandgap and Tandem Perovskite Solar Cells Open
Wide bandgap (WBG) perovskite can construct tandem cells with narrow bandgap solar cells by adjusting the band gap to overcome the Shockley−Queisser limitation of single junction perovskite solar cells (PSCs). However, WBG perovskites stil…
View article: Perylenedioic Acid‐Derived Carbon Dots with Near 100% Quantum Yield in Aqueous Solution for Lasing and Lighting
Perylenedioic Acid‐Derived Carbon Dots with Near 100% Quantum Yield in Aqueous Solution for Lasing and Lighting Open
Carbon dots (CDs) are a burgeoning star of luminescent carbon‐based nanomaterials with emerging interest for various applications. Luminescence from the sp 2 ‐conjugated domains in the carbon cores is considered to be the intrinsic bandgap…
View article: Metallopolymer strategy to explore hypoxic active narrow-bandgap photosensitizers for effective cancer photodynamic therapy
Metallopolymer strategy to explore hypoxic active narrow-bandgap photosensitizers for effective cancer photodynamic therapy Open
Practical photodynamic therapy calls for high-performance, less O 2 -dependent, long-wavelength-light-activated photosensitizers to suit the hypoxic tumor microenvironment. Iridium-based photosensitizers exhibit excellent photocatalytic pe…
View article: Persistent Charging of CsPbBr<sub>3</sub> Perovskite Nanocrystals Confined in Glass Matrix
Persistent Charging of CsPbBr<sub>3</sub> Perovskite Nanocrystals Confined in Glass Matrix Open
Manipulation of persistent charges in semiconductor nanostructure is the key point to obtain quantum bits towards the application of quantum memory and information devices. However, realizing persistent charge storage in semiconductor nano…
View article: Powerful Synergy of Traditional Chinese Medicine and Aggregation-Induced Emission-Active Photosensitizer in Photodynamic Therapy
Powerful Synergy of Traditional Chinese Medicine and Aggregation-Induced Emission-Active Photosensitizer in Photodynamic Therapy Open
Breast cancer (BC) remains a significant global health challenge for women despite advancements in early detection and treatment. Isoliquiritigenin (ISL), a compound derived from traditional Chinese medicine, has shown potential as an anti…