Results 161 to 170 of about 138,992 (294)

Perovskite Light‐Emitting Diodes with Quantum Wires and Nanorods

open access: yesAdvanced Materials, EarlyView.
This review focuses on low‐dimensional perovskite materials and discusses their applications in light‐emitting diodes (LEDs). Special attention is given to the introduction of perovskite quantum wires and nanorods, two unique types of one‐dimensional (1D) materials, and their interesting optoelectronic properties.
Qianpeng Zhang   +11 more
wiley   +1 more source

Perfect anomalous refraction metasurfaces empowered half-space optical beam scanning. [PDF]

open access: yesNat Commun
He T   +12 more
europepmc   +1 more source

Enhancing Ultrasound Power Transfer: Efficiency, Acoustics, and Future Directions

open access: yesAdvanced Materials, EarlyView.
Implantable devices significantly enhance healthcare but are limited by battery life. Ultrasound power transfer technology offers a promising solution for sustainable operation. This review addresses gaps in current research, particularly in sound field analysis and energy efficiency optimization.
Yi Zheng   +6 more
wiley   +1 more source

Comparison of Self-Test Refraction, Autorefraction, and Subjective Refraction. [PDF]

open access: yesClin Ophthalmol
Kós AFSN   +13 more
europepmc   +1 more source

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