Results 81 to 90 of about 50,856 (266)
Broadband, Flexible, Skin‐Compatible Carbon Dots/Graphene Photodetectors for Wearable Applications
Advanced Functional Materials, EarlyView.Broadband, flexible photodetectors integrating nitrogen‐rich carbon dots with single‐layer graphene on plastic substrates are demonstrated. A biocompatible chitosan–glycerol electrolyte enables efficient low‐voltage gating and on‐skin operation. The devices exhibit ultraviolet‐to‐near‐infrared response, mechanical robustness under bending, and verified
Nouha Loudhaief +20 more
wiley +1 more source
Bilayer–metal assisted chemical etching of silicon microwire arrays for photovoltaic applications
AIP Advances, 2016 Silicon microwires with lateral dimension from 5 μm to 20 μm and depth as long as 20 μm are prepared by bilayer metal assisted chemical etching (MaCE).
R. W. Wu +7 more
doaj +1 more source
Correlating the nanostructure of Al-oxide with deposition conditions and dielectric contributions of two-level systems in perspective of superconducting quantum circuits [PDF]
, 2017 This work is concerned with Al/Al-oxide(AlO$_{x}$)/Al-layer systems which are important for Josephson-junction-based superconducting devices such as quantum bits.
Fritz, S. +6 more
core +3 more sources
Hierarchical silicon nanostructured arrays via metal-assisted chemical etching
RSC Adv., 2014 Hierarchically configured nanostructures, such as nanograss and nanowalls, have been fabricatedviaa low-cost approach that combines metal-assisted chemical etching (MaCE), nanosphere lithography and conventional photolithography.
Hao Lin +6 more
openaire +1 more source
Real‐Time, Label‐Free Monitoring of Cell Behavior on a Bioelectronic Scaffold
Advanced Functional Materials, EarlyView.A bioelectronic nanofibrous scaffold is introduced that supports cell growth while enabling real‐time, label‐free monitoring of cellular behavior through impedance measurements. The system correlates electrical signals with cell viability and surface coverage, offering an integrated platform for studying dynamic biological processes and advancing next ...
Dana Cohen‐Gerassi +10 more
wiley +1 more source
Electrical Contacts on Silicon Nanowires Produced by Metal-Assisted Etching: a Comparative Approach
Nanoscale Research Letters, 2016 Silicon nanowires fabricated by metal-assisted chemical etching can present low porosity and a rough surface depending on the doping level of the original silicon wafer. In this case, wiring of silicon nanowires may represent a challenging task.
L. D’Ortenzi +6 more
doaj +1 more source
Advanced Functional Materials, EarlyView.The negative electron affinity of diamond allows to emit highly reductive electrons. By introducing intra‐bandgap states and an optimized electron transfer mechanism by surface functionalization with Ru(bpy)3, the formation of solvated electrons is achieved upon solar irradiation.
Benjamin Kiendl +20 more
wiley +1 more source
Position controlled self-catalyzed growth of GaAs nanowires by molecular beam epitaxy [PDF]
, 2010 GaAs nanowires are grown by molecular beam epitaxy using a self-catalyzed, Ga-assisted growth technique. Position control is achieved by nano-patterning a SiO2 layer with arrays of holes with a hole diameter of 85 nm and a hole pitch varying between 200 ...
Andreas Rudolph +10 more
core +3 more sources
Advanced Functional Materials, EarlyView.Ag+‐mediated hydrothermal crystal engineering promotes preferential [hk1]‐oriented growth of Sb2Se3 via an ultrathin MoOx interlayer, improving crystallinity and suppressing non‐radiative recombination. The optimized Ag+ treatment photocathode delivers 24.7 mA cm−2 at 0 VRHE and improved stability, revealing an ion‐modulated route to high‐performance ...
Ziying Zhang +10 more
wiley +1 more source
Wet etch methods for InAs nanowire patterning and self-aligned electrical contacts
, 2016 Advanced synthesis of semiconductor nanowires (NWs) enables their application in diverse fields, notably in chemical and electrical sensing, photovoltaics, or quantum electronic devices. In particular, Indium Arsenide (InAs) NWs are an ideal platform for
Baumgartner, A. +6 more
core +1 more source