Results 31 to 40 of about 45,325 (317)

Fabrication and Characterization of CH3NH3PbI3−x−yBrxCly Perovskite Solar Cells

open access: yesEnergies, 2016
Fabrication and characterization of CH3NH3PbI3−x−yBrxCly perovskite solar cells using mesoporous TiO2 as electron transporting layer and 2,2′,7,7′-tetrakis-(N,N-di-4-methoxyphenylamino)-9,9′-spirobifluorene as a hole-transporting layer (HTL) were ...
Atsushi Suzuki, Hiroshi Okada, Takeo Oku
doaj   +1 more source

Quasi-2D lead halide perovskite gain materials toward electrical pumping laser

open access: yesNanophotonics, 2021
Quasi two-dimensional (2D) lead halide perovskite materials have shown outstanding performance in various photoelectric devices, including perovskite light-emitting diodes (LEDs) and perovskite optical pumping lasers.
Zhao Chenyang, Qin Chuanjiang
doaj   +1 more source

Nano-socketed nickel particles with enhanced coking resistance grown in situ by redox exsolution [PDF]

open access: yes, 2015
DN thanks the European Project METSAPP (FCH JU-GA 278257) for funding. We also thank NSF and EPSRC for Materials World Network funding ref EP/J018414/1.Metal particles supported on oxide surfaces are used as catalysts for a wide variety of processes in ...
Ménard, Hervé   +21 more
core   +1 more source

Surface Modification and Enhancement of Ferromagnetism in BiFeO3 Nanofilms Deposited on HOPG

open access: yesNanomaterials, 2020
BiFeO3 (BFO) films on highly oriented pyrolytic graphite (HOPG) substrate were obtained by the atomic layer deposition (ALD) method. The oxidation of HOPG leads to the formation of bubble regions creating defective regions with active centers ...
Shikhgasan Ramazanov   +7 more
doaj   +1 more source

Research Progress of Semi-Transparent Perovskite and Four-Terminal Perovskite/Silicon Tandem Solar Cells

open access: yesEnergies
Perovskite/silicon tandem solar cells are of great interest due to their potential for breaking the Shockley-Queisser limit of single-junction silicon solar cells.
Yunlong Zhang, Long Zhou, Chunfu Zhang
doaj   +1 more source

Structural, electrochemical and magnetic characterization of the layered-type PrBa0.5Sr0.5Co2O5+δ perovskite

open access: yes, 2014
Structural, electrical and magnetic properties of the layered cobaltite PrBa0.5Sr0.5Co2O5+δ have been investigated by means of neutron diffraction, electron diffraction, thermogravimetric analysis and SQUID magnetometry.
Irvine, John T.S.   +8 more
core   +1 more source

Perfection of Perovskite Grain Boundary Passivation by Rhodium Incorporation for Efficient and Stable Solar Cells

open access: yesNano-Micro Letters, 2020
Organic cation and halide anion defects are omnipresent in the perovskite films, which will destroy perovskite electronic structure and downgrade the properties of devices.
Wei Liu   +9 more
doaj   +1 more source

Du choix du précurseur pour la synthèse de poudres d’oxydes La1-xSrxMnO3 [PDF]

open access: yes, 2005
Différentes poudres précurseurs (carbonates, oxalates, citrates) de manganites de lanthane dopés au strontium ont été préparées par chimie douce. Après calcination, ces précurseurs conduisent aux oxydes mixtes à structure perovskite LaxSr1–xMnO3, dont la
Calmet, Christophe   +6 more
core   +1 more source

How to make perovskite photovoltaic devices stable under reverse bias

open access: yes, 2023
One of the main issues hindering the commercialization of perovskite photovoltaics (PV) is device stability. A myriad of various strategies to stabilize the perovskite layer against degradation under continuous illumination has been demonstrated in ...
Wagner, Lukas   +4 more
core   +1 more source

Hexagonal Rare Earth-Iron Mixed Oxides (REFeO3): Crystal Structure, Synthesis, and Catalytic Properties

open access: yesFrontiers in Chemistry, 2019
The rare earth-iron mixed oxide (REFeO3) is an attractive material in fields such as electronic, magnetic, and catalytic research. Generally, orthorhombic REFeO3 (o-REFeO3) with a perovskite structure is better known than hexagonal REFeO3 (h-REFeO3 ...
Saburo Hosokawa, Saburo Hosokawa
doaj   +1 more source

Home - About - Disclaimer - Privacy