Results 181 to 190 of about 4,287,757 (400)

Scaling‐Up of Structural Superlubricity: Challenges and Opportunities

open access: yesAdvanced Functional Materials, EarlyView.
At increasing length‐scales, structural superlubricity (SSL) faces challenges from physical and chemical energy dissipation pathways. This study reviews recent experimental and theoretical progress on these challenges facing the scaling‐up of SSL, as well as perspectives on future directions for realizing and manipulating macroscale superlubricity ...
Penghua Ying   +4 more
wiley   +1 more source

Time Division Switching Scheme and Performance Analysis of Low Orbit Quantum Satellite Communication

open access: yesDianxin kexue, 2014
Low orbit quantum satellite system is used to realize a worldwide secure communication. To solve the problem of multiple quantum users' access and information transmission in satellite coverage, a multi-beam time division quantum switching scheme was ...
Guang Yang, Min Nie, Fan Jiang
doaj   +2 more sources

Quantum coding with finite resources

open access: yesNature Communications, 2016
The maximal rate at which quantum information can be reliably communicated through many uses of a memoryless quantum channel is determined by its quantum channel capacity.
Marco Tomamichel   +2 more
doaj   +1 more source

The Role of Fluorine‐Functionalized Organic Spacers for Defect Passivation and Low‐Dimensional Phase Formation in 3D MAPI Perovskite Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
Fluorine‐functionalized organic spacers (2F, 3F, 5F) are investigated to identify as optimal passivation agents for 3D MAPI perovskite solar cells (PSCs). The study highlights how altering fluorine positioning affects defect passivation, low‐dimensional phase (LDP) formation, and stability, emphasizing its role in molecular interactions and offering ...
Ali Semerci   +15 more
wiley   +1 more source

Quantum cryptography with twisted photons through an outdoor underwater channel.

open access: yesOptics Express, 2018
Quantum communication has been successfully implemented in optical fibres and through free-space. Fibre systems, though capable of fast key and low error rates, are impractical in communicating with destinations without an established fibre link.
F. Bouchard   +10 more
semanticscholar   +1 more source

Over 18% Efficiency from Halogen‐Free Solvent‐Processed Polymer Solar Cells Enabled by Asymmetric Small Molecule Acceptors with Fluoro‐Thienyl Extended Terminal

open access: yesAdvanced Functional Materials, EarlyView.
An asymmetric non‐fullerene acceptor BTP‐FT is developed by extending the end group of Y6‐BO with thiophene. The conformation of the molecule is determined by the noncovalent F···S interaction as demonstrated by 2D NMR and simulations. An efficiency of 18.39% is achieved in the resulting ternary solar cells processed from toluene.
Jingnan Wu   +14 more
wiley   +1 more source

Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels [PDF]

open access: bronze, 1993
Charles H. Bennett   +5 more
openalex   +1 more source

Quantum communications for image transmission over error‐prone channels

open access: yesElectronics Letters
The introduction of quantum communications, enabled by advancements in quantum computing, is expected to play a significant role in the field of communications.
Udara Jayasinghe   +4 more
doaj   +1 more source

Enhancing UV Stability and Charge Extraction in Organic Solar Cells with Phenyl‐Linked Aromatic Self‐Assembled Monolayer

open access: yesAdvanced Functional Materials, EarlyView.
The phenyl‐linked self‐assembled monolayer exhibits robust intrinsic stability and hole extraction capability compared to the alkyl‐linked counterparts, thus facilitating the device stability with T80 over 1000 h and efficiency of 19.7% in advancing organic solar cells.
Nan Zhang   +11 more
wiley   +1 more source

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