Results 171 to 180 of about 53,165 (309)

Monolayer MoS2 With Ultrahigh Piezoelectricity: From ALD Dose Control to Device Performance

open access: yesAdvanced Science, EarlyView.
This study demonstrates that controlling precursor dosages in atomic layer deposition (ALD) serves to regulate ultrathin oxide quality, which in turn determines sulfurization behavior and MoS2 monolayer continuity. The resulting continuous, low‐defect monolayers enable improved piezoelectric performance and support a flexible slippage sensor, linking ...
Yun Li   +16 more
wiley   +1 more source

Heteroatom‐Mediated Covalent Organic Framework Membranes With Nitrogen‐Enriched Nanochannels for Efficient Desalination

open access: yesAdvanced Science, EarlyView.
Heteroatom precursor engineering serves as a molecular‐level strategy to tailor hydrazide monomer reactivity and diffusion kinetics, enabling controlled assembly of highly crystalline COF membranes with ultramicroporous channels. The nitrogen‐enriched nanochannels deliver high water/ion selectivity via simultaneous water transport acceleration and ion ...
Guishan Hu   +8 more
wiley   +1 more source

Enhanced second harmonic generation in hybrid MoS2/Au/MoS2 and MoS2/SiO2/MoS2 Langmuir-Blodgett films

open access: yesOptics Communications
Cédric Lambin   +5 more
openaire   +1 more source

Atomistic Kinetics of Dislocation‐Mediated Grain Growth in Monolayer MoS2

open access: yesAdvanced Science, EarlyView.
Atomic‐resolution in‐situ heating microscopy directly visualizes dislocation‐mediated grain boundary migration and grain growth in monolayer MoS2. Mobile grain boundaries migrate through collective motion of Mo 5|7 dislocations, whereas S 5|7 defects remain largely immobile.
Chang‐Won Choi   +11 more
wiley   +1 more source

Rapid Cooling After Device Annealing Suppresses Interface Losses in Cu2ZnSnS4 Solar Cells Enabling High Efficiency and Stability

open access: yesAdvanced Science, EarlyView.
Rapid cooling after device annealing regulates the CdS/CZTS heterojunction and Mo/CZTS back contact, suppressing interfacial recombination and modifying the interfacial MoS2 layer, thereby enabling a 15.9% indoor PCE in pure‐sulfide CZTS solar cells.
Achmad Nasyori   +16 more
wiley   +1 more source

Direct-Write Defects for Bias-Free Two-Dimensional Optical Synapses Towards In-Sensor Motion Detection. [PDF]

open access: yesNano Lett
Tang TW   +13 more
europepmc   +1 more source

Quantized Analog Inference Hardware Enabled by MoS2–Hf1‐xZrxO2 FeFET Synapses [PDF]

open access: yesAdvanced science
A monolayer MoS2–HZO FeFET is presented as a pulse‐engineered neuromorphic device suitable for crossbar‐based analog computing. Programming‐pulse design enables tunable conductance trajectories for synaptic weight updates, while quantized machine‐learning approaches account for device variation, nonlinearity, and write noise, translating analog ...
Park J   +8 more
europepmc   +2 more sources

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