Wiley Online Library : Advanced Optical Materials
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A Breakthrough in Color‐Tunable All‐Fluorescent White OLEDs through the Cooperation Between a New Blue HLCT Fluorophore and a Long‐Wavelength TADF Emitter

A high-performance single-cell all-fluorescent color-tunable white device with a single-doped single-emissive-layer structure is achieved by using a multi-functional deep-blue hybrid local and charge transfer fluorophore as an emitter as well as a universal host for the yellow thermally activated delayed fluorescence emitter, realizing a record-breaking...

Fri Apr 19, 2024 11:46
Homogeneous and Significant Near‐Field Enhancement in All‐Dielectric Metasurfaces for Sensing Applications

Silicon metasurface supports nonlocal bound state in the continuum featuring homogeneous and significant near field enhancement in the analyte region, leading to ultra-low limit of detection down to 20 pg mL–1 for breast cancer biomarker, which is more than an order of magnitude lower than the state of the art. Abstract All-dielectric metasurfaces...

Fri Apr 19, 2024 11:46
Fabrication of Translucent and Chemically Durable Crystal‐Glass Composite with Multicolor Persistent Luminescence

High-throughput fabrication of translucent crystal-glass composites with different shapes, is achieved via an injection molding route. The as-fabricated crystal-glass composites exhibit long afterglow multicolor emissions and ultrahigh chemical durability, making them promising materials for various photonic applications in fields including security...

Fri Apr 19, 2024 11:46
High Rejection‐Ratio IGZO Ultraviolet Phototransistor via Additional Solution Processed ZnO Absorption Layer

IGZO phototransistor with an additional ZnO absorption layer is fabricated. The ZnO absorption layer effectively absorbs UV light below 360 nm wavelength. A high UV–vis rejection ratio is achieved with an additional ZnO absorption layer. Abstract The depletion of the ozone layer over the last four decades has increased Earth's exposure to...

Fri Apr 19, 2024 11:46
A Universal Design Strategy Achieving Large Birefringence and Short Phase‐Matching Capability of Optical Materials via Dissimilating Non‐π‐Conjugated Units

A universal strategy of dissimilating non-π-conjugated units is proposed to enhance birefringence, optimize phase-matching wavelength, and maintain a large bandgap. Guided by this strategy, the dimeric hetero-anionic unit N(SO2F)2 − with the dual-heteroatom dissimilation is experimentally and computationally identified as a superior ultraviolet/deep-ultraviolet...

Fri Apr 19, 2024 11:46
High Q Ultra‐Low Threshold Lasing in Conjugated Polymer Blend Microspheres Promoted by FRET

Conjugated polymer microspheres are prepared by a technique based on slow solvent-controlled diffusion into micelles. Microspheres made from mixtures of Poly[(9,9-di-n-octylfluorenyl-2,7-diyl)-alt-(benzo[2,1,3]thiadiazol-4,8-diyl)] (F8BT) and poly[2-methoxy-5-(2’-ethylhexyloxy)-1,4-phenylene vinylene (MEH-PPV) showed ultralow lasing thresholds which...

Fri Apr 19, 2024 11:46

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