Questa è la nostra ultima selezione di pubblicazioni e brevetti mondiali in inglese sugli elementi delle terre rare, tra numerose riviste scientifiche online, classificate e focalizzate su elementi delle terre rare, scandio, ittrio, lantanio, cerio, praseodimio, neodimio, promezio, samario, europio, gadolinio, terbio, disprosio, olmio, erbio, tulio, itterbio, lutezio, terre rare e terre rare.
Enhanced Charge Transport in Inverted Perovskite Solar Cells via Electrodeposited La-Modified NiOx Layers
Published on 2025-07-08 by Lina Aristiz�bal-Duarte, Mart�n Gonz�lez-Hern�ndez, Sergio E. Reyes, J. A. Ram�rez-Rinc�n, Pablo Ortiz, Mar�a T. Cort�s @MDPI
Abstract: This work explored an electrochemical approach for synthesizing lanthanum-modified nickel oxide (NiOx:La) as a hole transport layer (HTL) in inverted perovskite solar cells (IPSCs). By varying the La3+ concentration, the chemical, charge transport, structural, and morphological properties of the NiOx:La film and the HTL/PVK interface were evaluated to enhance photovoltaic performance. X-ray photoelectron spectroscopy (XPS) confirmed La3+ incorporation, a higher Ni3+/Ni3+ ratio, and a valence ban[...]
Our summary: Electrodeposited NiOx:La layers were explored as a hole transport layer in inverted perovskite solar cells, showing enhanced charge transport and improved photovoltaic performance. XPS confirmed La3+ incorporation and improved p-type conductivity, while impedance spectroscopy indicated lower resistance and higher carrier density with NiOx:La 0.5%. The resulting cell achieved a PCE of 20.08% and retained 80% of its initial efficiency after 50 days, demonstrating the potential of NiOx:La as a promising HTL for efficient and stable IPSCs.
charge transport, electrodeposited, NiOx:La, inverted perovskite solar cells
Publication
Quantum repeater for optical network and method
Patent published on the 2025-02-19 in GB under Ref GB2632741 by NANOFIBER QUANTUM TECH INC [JP] (Akihisa Goban [jp], Shinya Kato [jp], Ryotaro Inoue [jp], Takao Aoki [jp])
Abstract: A quantum repeater system comprising one or more intermediary repeater devices, each of the repeater devices comprising: a first fiber optical cable having first and second end regions, first and second fiber Bragg gratings configured on the first and second end regions respectively, a nanofiber region configured from a center portion of the fiber optic cable and coupled between the first end region and second end region, a first and second tapered region configured between the nanofiber region [...]
Our summary: Quantum repeater system with intermediary devices, fiber optic cables, tapered regions, and evanescently coupled atoms for distributing quantum entanglement between repeaters.
quantum repeater, optical network, fiber Bragg gratings, nanofiber region
Patent
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