Cover Picture Free Access Dynamic Augmented Reality Display by Layer-Folded Metasurface via Electrical-Driven Liquid Crystal (Advanced Optical Materials 12/2022) Inside Front Cover Free Access Additive Manufacturing of 3D Luminescent ZrO2:Eu3+ Architectures (Advanced Optical Materials 12/2022) Back Cover Free Access Designing Stable Deep-Blue Thermally Activated Delayed Fluorescence Emitters through Controlling the Intrinsic Stability of Triplet Excitons (Advanced Optical Materials 12/2022) Masthead Free Access Masthead: (Advanced Optical Materials 12/2022) Correction Free Access Flexible, High Scintillation Yield Cs3Cu2I5 Film Made of Ball-Milled Powder for High Spatial Resolution X-Ray Imaging Reviews Full Access Recent Advances in Luminescent Downconversion: New Materials, Techniques, and Applications in Solar Cells Full Access Tailoring Lanthanide Upconversion Luminescence through Material Designs and Regulation Strategies Research Articles Full Access Ultra-Sensitive β-Ga2O3 Solar-Blind Photodetector with High-Density Al@Al2O3 Core−Shell Nanoplasmonic Array Full Access Designing Stable Deep-Blue Thermally Activated Delayed Fluorescence Emitters through Controlling the Intrinsic Stability of Triplet Excitons Full Access Ultrawide-Angle Ultralow-Reflection Phenomenon for Transverse Electric Mode in Anisotropic Metasurface Full Access Tunable Nonlinearity in 2D Graphdiyne Oxide for High-Performance All-Optical Modulation Full Access Zero-Dimensional Organic Copper(I) Iodide Hybrid with High Anti-Water Stability for Blue-Light-Excitable Solid-State Lighting Open Access Experimental Demonstration of Dark-State Metasurface Laser with Controllable Radiative Coupling Open Access Molding Photon Emission with Hybrid Plasmon-Emitter Coupled Metasurfaces Full Access Silk Fibroin-Based Flexible Organic Light-Emitting Diode with High Light Extraction Efficiency Full Access Self-Trapped Exciton Emission with High Thermal Stability in Antimony-Doped Hybrid Manganese Chloride Open Access Additive Manufacturing of 3D Luminescent ZrO2:Eu3+ Architectures Full Access Low Thresholds and Tunable Modes in Plasmon-Assisted Perovskite Microlasers Full Access Dual-Emission of Fluorescence and Room-Temperature Phosphorescence for Ratiometric and Colorimetric Oxygen Sensing and Detection Based on Dispersion of Pure Organic Thianthrene Dimer in Polymer Host Full Access High-Resolution X-Ray Time-Lapse Imaging from Fluoride Nanocrystals Embedded in Glass Matrix Full Access Nanoscale Optical Imaging of 2D Semiconductor Stacking Orders by Exciton-Enhanced Second Harmonic Generation Full Access Microscale Perovskite Quantum Dot Light-Emitting Diodes (Micro-PeLEDs) for Full-Color Displays Full Access Broad-Band Visible-Light Excitable Room-Temperature Phosphorescence Via Polymer Site-Isolated Dye Aggregates Full Access Inverse Design of Unidirectional Transmission Nanostructures Based on Unsupervised Machine Learning Full Access Broadband Visible−Near Infrared Two-Dimensional WSe2/In2Se3 Photodetector for Underwater Optical Communications Full Access Ultraflexible Photothermal Superhydrophobic Coating with Multifunctional Applications Based on Plasmonic TiN Nanoparticles Full Access Quasi-BIC Enhanced Broadband Terahertz Generation in All-Dielectric Metasurface Full Access Multiposition Controllable Gate WS2/MoS2 Heterojunction Phototransistor and Its Applications in Optoelectronic Logic Operation and Emulation of Neurotransmission Full Access Correlated Dynamics of Free and Self-Trapped Excitons and Broadband Photodetection in BEA2PbBr4 Layered Crystals Full Access A Miniaturized Anechoic Chamber: Omnidirectional Impedance Matching Based on Truncated Spatial Kramers–Kronig Medium Full Access Thermally Induced Anti-Aggregation Evolution of Thick Bulk-Heterojunction for vis–NIR Organic Photodetectors Full Access A Simple Fused-Ring Acceptor toward High-Sensitivity Binary Near-Infrared Photodetector Full Access Interface Engineering of Bi-Fluorescence Molecules for High-Performance Data Encryption and Ultralow UV-Light Detection Full Access Dynamic Augmented Reality Display by Layer-Folded Metasurface via Electrical-Driven Liquid Crystal Full Access Regulation of Irradiation-Dependent Long-Lived Room Temperature Phosphorescence by Controlling Molecular Structures of Chromophores and Matrix