Results 201 to 210 of about 97,501 (249)

Cation‐Engineered Post‐Treatment for Blue Perovskite Light‐Emitting Diodes

open access: yesAdvanced Optical Materials, Volume 13, Issue 20, July 11, 2025.
This work presents a cation‐engineered post‐treatment strategy for high‐performance mixed‐halide blue PeLEDs. By investigating the role of 4‐fluorophenylethylammonium (FPEA+) versus conventional phenylethylammonium (PEA+) organic cations in post‐treatment agents, it demonstrates that FPEA+ enables superior preservation of the 3D perovskite structure ...
Zheng Zhang   +7 more
wiley   +1 more source

Molybdenum‐Doped Nickel Oxide as an Advanced Ion Storage Layer for Highly Stable and Durable Flexible Electrochromic Devices

open access: yesAdvanced Optical Materials, EarlyView.
An optimized Mo‐doped NiO (MNO) film is developed using a magnetron sputtering process to overcome the limitations of pristine NiO in electrochromic (EC) applications. The MNO film exhibits improved optical modulation, faster response time, and enhanced cycling stability compared to pristine NiO.
Chang‐Shin Park   +7 more
wiley   +1 more source

Impact of Fluorine in Manganese Citrate Synthesis on Structure and Value-Added Decomposition Products. [PDF]

open access: yesMolecules
Škrjanc A   +5 more
europepmc   +1 more source

CMOS‐Compatible Short‐Wave Infrared Linear Arrays of Ge‐on‐Si Avalanche Photodiodes

open access: yesAdvanced Photonics Research, EarlyView.
The fabrication and characterization of a new type of surface‐illuminated Si‐based avalanche photodiode array operating in the short‐wave infrared region using germanium as the absorber and silicon as the multiplier is reported. The demonstration of an avalanche gain of 24 at a temperature of 378 K allows the devices to operate in outdoor environments.
Mrudul Modak   +15 more
wiley   +1 more source

Enhanced Amplified Spontaneous Emission from Optically Pumped Perovskite Light‐Emitting Diodes with Sodium Fluoride Additives

open access: yesAdvanced Photonics Research, EarlyView.
This study investigates sodium fluoride (NaF) as an additive in halide perovskite films to improve their optical and light amplification properties for application in laser diodes. The incorporation of NaF leads to a threefold increase in light‐emitting intensity and a 20% reduction in the amplified spontaneous emission (ASE) threshold, along with ...
Kanak Kanti Bhowmik   +8 more
wiley   +1 more source

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