Results 71 to 80 of about 121,814 (291)

Simultaneous Enhancement of Performance and Stability in Dual‐Gate a‐IGZO Thin‐Film Transistors via Single‐Step Laser Annealing for Capacitor‐Less DRAM

open access: yesAdvanced Functional Materials, EarlyView.
A single‐step laser annealing strategy is presented for dual‐gate a‐IGZO TFTs. The steep thermal gradient induces graded oxygen doping in the channel and simultaneous WOx removal at the contacts, enabling concurrent interface and contact engineering.
Sihyeon Kwon   +9 more
wiley   +1 more source

TOF-SIMS spectra of myelin. [PDF]

open access: yes, 2015
TOF-SIMS spectra of myelin.
Victor Nadtochenko (823226)   +4 more
core   +1 more source

Spiro‐Phenothiazine Hole‐Transporting Materials: Unlocking Stability and Scalability in Perovskite Solar Cells

open access: yesAdvanced Materials, EarlyView.
Fluorene‐functionalized spiro‐phenothiazine (PTZ‐Fl) exhibits strong Li+ affinity and thermal stability, enabling a PCE of 25.75% in small‐area cells and 22.07% in 25 cm2 modules. Under ISOS‐L3 conditions, PTZ‐Flbased devices retain over 80% efficiency after 1000 hours, demonstrating superior stability and scalability compared to spiro‐OMeTAD for next ...
Javier Urieta‐Mora   +17 more
wiley   +1 more source

Chitosan coating as an antibacterial surface for biomedical applications. [PDF]

open access: yesPLoS ONE, 2017
A current public health issue is preventing post-surgical complications by designing antibacterial implants. To achieve this goal, in this study we evaluated the antibacterial activity of an animal-free chitosan grafted onto a titanium alloy.Animal-free ...
Mélanie D'Almeida   +7 more
doaj   +1 more source

Characterization of Functional Films on Solid Substrates by Tof-Sims [PDF]

open access: yes, 1998
In the last few years the creation of functional films on solid substrates has become increasingly attractive in particular with the aim of functioning silicon based-electronic devices with biological molecules.
Malacarne, Carla   +6 more
core  

Thermodynamic Limits to Molecular Doping in Conjugated Polymers: A Perspective on Phase Behavior and Miscibility

open access: yesAdvanced Materials, EarlyView.
Molecular doping of conjugated polymers is fundamentally constrained by thermodynamic phase behavior. This Perspective reframes doping efficiency and stability in terms of miscibility limits, binodals, and solvus boundaries, highlighting the role of effective interaction parameters and charge transfer.
Somayeh Kashani   +10 more
wiley   +1 more source

ToF-SIMS spectral analysis of Shewanella oneidensis MR-1 biofilms

open access: yesResults in Surfaces and Interfaces
Analysis of bacterial biofilms is particularly challenging and important with diverse applications from systems biology to biotechnology. Among the variety of techniques that have been applied, time-of-flight secondary ion mass spectrometry (ToF-SIMS ...
Gabriel D. Parker   +3 more
doaj   +1 more source

Interrogation of Biological Samples by ToF-SIMS [PDF]

open access: yes, 2017
Mass spectrometry is a very versatile and important technique in analytical chemistry. From atomic bombs to Alzheimer’s disease, after a century of improvements and developments there are now countless applications for mass spectrometry in research and ...
Angerer, Tina
core   +1 more source

Unveiling Exsolution‐Induced Giant Electronic and Magnetic Property Changes in Non‐Stoichiometric Titanate Perovskite Thin Films

open access: yesAdvanced Materials, EarlyView.
A giant insulator to metal transition and emergent superparamagnetism are revealed by nanoparticle exsolution in non‐stoichiometric titanate perovskite thin films. By combining transport, synchrotron spectroscopy, and first‐principles calculations, this work reveals how defect reconfiguration and lattice reconstruction fundamentally reshape electronic ...
Sungil Kim   +11 more
wiley   +1 more source

Lead Halide Perovskite Photoelectrocatalysis

open access: yesAdvanced Materials, EarlyView.
Lead halide perovskite semiconductors have emerged as highly promising materials for solar fuel and chemical synthesis. This perspective discusses advances made in the rational photoelectrode design to improve solar‐to‐chemical conversion, product scope, and scalability.
Virgil Andrei
wiley   +1 more source

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