Results 281 to 290 of about 854,725 (353)

High Photoluminescence Quantum Yield and Tunable Luminescence Lifetimes in the Sub‐Second Range of CaS:Eu2+ Phosphors for Tracer Based Sorting

open access: yesAdvanced Materials Technologies, EarlyView.
Efficient plastic waste sorting is crucial for circularity. Advanced methods using lanthanide photonic tracers enhance recycling beyond near‐infrared sorting. Europium(II)‐doped phosphors, with high stability and long luminescence decay, improve tracer detection in sorting systems, enabling precise identification of different plastic materials ...
Arzu Cosgun Ergene   +5 more
wiley   +1 more source

Lightweight and High‐Performance Ankle Braces Enabled by 3D Printed Metamaterial Liquid Crystal Polymer

open access: yesAdvanced Materials Technologies, EarlyView.
A flexible, lightweight ankle brace made from 3D‐printed liquid crystal polymer metamaterials offers targeted support without restricting movement. Programmable stiffness provides protection during risky motions. Biomechanical tests suggest performance comparable to commercial braces with reduced bulk, highlighting potential for broader orthotic ...
Cassi J. Henderson   +5 more
wiley   +1 more source

Electric Field Inhomogeneity in Colloidal QD‐LEDs

open access: yesAdvanced Optical Materials, EarlyView.
Variations in the thickness of the quantum dot (QD) active layer in a quantum dot light emitting diode leads to variations in the local electric field strength. Thicker regions insulate the QDs from the applied electric field. Under normal operating conditions, this leads to lower electroluminescence.
Shreyas Srinivasan   +9 more
wiley   +1 more source

Efficient Low‐Voltage Phase Shifter with Inkjet‐Printed Liquid Crystal on a Silicon on Insulator Platform

open access: yesAdvanced Optical Materials, EarlyView.
Demonstration of an electro‐optic phase shifter fabricated by inkjet printing liquid crystal on an integrated silicon photonics chip surface. On a completed silicon photonics wafer (including modulators, detectors, and metallization), the back‐end‐of‐line stack is opened up to inkjet‐print liquid crystal. A phase shift of 6 for 2.7 V is obtained within
Lukas Van Iseghem   +10 more
wiley   +1 more source

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