Results 41 to 50 of about 20,942 (191)

The Floor‐Ceiling‐Chip, or 2 × 2D = Pseudo‐3D—Approaching 3D Cell Morphology and Organization between Two Opposing 2D Substrates with Cell‐Adhesive Protein Micropatterns

open access: yesAdvanced Healthcare Materials, EarlyView.
Here, we present a novel 3D cell patterning and culture platform. The “Floor‐Ceiling‐Chip” (FC‐Chip) consists of two opposing track‐etched membranes, creating a pseudo‐3D microenvironment for the cells in between. By providing the membranes with micropatterned cell‐adhesive islands of varying geometries and sizes, the FC‐Chip enables control over cell ...
Urandelger Tuvshindorj   +10 more
wiley   +1 more source

Deep-ultraviolet electroluminescence and photocurrent generation in graphene/hBN/graphene heterostructures

open access: yesNature Communications, 2021
Here, the authors report the observation of deep-ultraviolet (DUV) electroluminescence and photocurrent generation in van der Waals heterostructures based on hBN crystals, showing potential for DUV light emitting and detection devices.
Su-Beom Song   +12 more
doaj   +1 more source

Extremely Ultranarrow Linewidth Based on Low-Symmetry Al Nanoellipse Metasurface

open access: yesNanomaterials, 2022
Plasmonic nanostructures with ultranarrow linewidths are of great significance in numerous applications, such as optical sensing, surface-enhanced Raman scattering (SERS), and imaging.
Liangyu Wang   +3 more
doaj   +1 more source

Patterning of Lead Halide Perovskite Device Stacks on CMOS Readout Using Selective Microfabrication Protocols

open access: yesAdvanced Materials, EarlyView.
We present a microfabrication and integration strategy for lead halide perovskite photodetectors on electronic readouts. Standard photolithography, aqueous processing, selective transparent electrode etching, and plasma‐assisted pixel isolation enable precise monolithic integration of patterned 400 × 400 perovskite microphotodetector arrays on a CMOS ...
Sergey Tsarev   +14 more
wiley   +1 more source

Ultrafast Photocatalytic Wettability Switching in Substrate‐Interface Tailored Titanium Dioxide Thin Films

open access: yesAdvanced Materials Interfaces, EarlyView.
This study demonstrates ultrafast photocatalytic wettability switching in TiO2 thin films by tailoring substrate doping and interface oxides. Enhanced switching rates and hemiwicking effects are achieved through optimized material stacks and nanostructuring.
Rucha A. Deshpande   +6 more
wiley   +1 more source

AlGaN-Based Multiple Quantum Well Deep Ultraviolet Light-Emitting Diodes With Polarization Doping

open access: yesIEEE Photonics Journal, 2016
The characteristics of AlGaN-based deep-ultraviolet (DUV) light-emitting diodes (LEDs) with polarization-doped p-type layers were numerically analyzed.
Jianjun Chang   +7 more
doaj   +1 more source

High responsivity and flexible deep-UV phototransistor based on Ta-doped β-Ga2O3

open access: yesnpj Flexible Electronics, 2022
Deep-ultraviolet (DUV) phototransistors have shown great potential applications in UV imaging, artificial intelligence, and wearable optoelectronics. Among a large number of wide bandgap semiconductors, the quasi-two-dimensional β-Ga2O3 is considered as ...
Xiao-Xi Li   +9 more
doaj   +1 more source

A distributional checklist of the spider wasps (Hymenoptera: Pompilidae) of Florida [PDF]

open access: yes, 2011
The Florida fauna of Pompilidae is investigated and a total of 115 species are recorded. Among them, 30 are new records for the state. The species and subspecies are presented by subfamily and tribe accompanied by county-based distributional accounts for
Leavengood, John M., Jr.   +2 more
core  

Constraints from Solar and Reactor Neutrinos on Unparticle Long-Range Forces

open access: yes, 2008
We have investigated the impact of long-range forces induced by unparticle operators of scalar, vector and tensor nature coupled to fermions in the interpretation of solar neutrinos and KamLAND data.
Abe S (KamLAND Collaboration)   +66 more
core   +1 more source

Room Temperature Synthesis and Photopatterning of Mesoporous Titanium Dioxide Thin Films

open access: yesAdvanced Materials Technologies, EarlyView.
A nanofabrication strategy combining deep‐UV photolithography with block copolymer self‐assembly enables direct patterning and mineralization of mesoporous TiO2 thin films at room temperature. Photocatalytic titanium oxo‐clusters promote polymer degradation under UV irradiation, enabling multiscale control over porosity, film thickness, and lateral ...
Youssef Ghossoub   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy