Results 41 to 50 of about 5,026 (176)

Tin Oxide‐Anchored MXene Composites for Enhanced Hydrogen Evolution in Alkaline Media

open access: yesAdvanced Materials Interfaces, EarlyView.
The schematic illustrates a SnO2/MXene heterostructure for efficient hydrogen evolution. SnO2 nanoparticles are uniformly anchored on conductive MXene nanosheets, enhancing charge transfer and catalytic activity. The MXene substrate provides high electrical conductivity and abundant active sites, while SnO2 facilitates water adsorption and dissociation.
Pratik Shinde   +8 more
wiley   +1 more source

Synergic sensing of light and heat emitted by offshore oil and gas platforms in the South China Sea

open access: yesInternational Journal of Digital Earth
Facing the growing global demand for oil resources and the industry’s commitment to decarbonization, there is a need for customized monitoring of oil and gas (OG) platforms.
Yujia Qiu   +3 more
doaj   +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

Amido‐Amine Co(II) Precursor‐Based Atomic/Molecular Layer Deposition Processes for Cobalt‐Organic Thin Films and Their Thermal Conversion to CoO Thin Films

open access: yesAdvanced Materials Technologies, EarlyView.
Three new atomic/molecular layer deposition processes are developed for Co‐organic thin films using a promising all‐nitrogen‐coordinated cobalt precursor. The study examines film growth, reaction mechanisms, chemical stability, and decomposition pathways of the resulting films through extensive characterization techniques and DFT calculations ...
Topias Jussila   +9 more
wiley   +1 more source

A Global-Scale Overlapping Pixels Calculation Method for Whisk-Broom Payloads with Multi-Module-Staggered Longlinear-Array Detectors

open access: yesRemote Sensing
A multi-module staggered (MMS) long-linear-array (LLA) detector is presently recognized as an effective and widely adopted means of improving the field of view (FOV) of in-orbit optical line-array cameras. In particular, in terms of low-orbit whisk-broom
Xinwang Du   +7 more
doaj   +1 more source

Photocurrent measurements in topological insulator $\text{Bi}_2\text{Se}_3$ nanowires

open access: yes, 2020
Circular photogalvanic currents are a promising new approach for spin-optoelectronics. To date, such currents have only been induced in topological insulator flakes or extended films. It is not clear whether they can be generated in nanodevices.
Geishendorf, K.   +4 more
core   +1 more source

Spectral‐Integrated Thermal Absorption Model for Broadband Laser‐Protective Reflectors Under Supercontinuum Irradiation

open access: yesAdvanced Science, EarlyView.
A universal laser absorption model based on spectral integration enables the design of ultrabroadband dielectric multilayer reflectors for laser protection. The model reveals exponential decay of absorption characterized by two coefficients, and a design that prioritizes short‐wavelength reflection minimizes heating.
Yukang Feng   +8 more
wiley   +1 more source

Self‐Sustaining Piezozyme Platform for Antifouling via Mechanically Triggered Enzymatic Cascade

open access: yesAdvanced Science, EarlyView.
Wave‐powered CeO2/g‐C3N4 piezozyme coating converts ocean motion into an enzymatic H2O2‐to‐ROS cascade, realizing 180‐day eco‐friendly marine antifouling. ABSTRACT Harnessing ubiquitous mechanical energy for catalytic activation offers an emerging pathway toward self‐sustaining environmental protection systems.
Jingyu Wang   +3 more
wiley   +1 more source

Short-period variability in the Class II methanol maser source G12.89+0.49 (IRAS 18089-1732)

open access: yes, 2009
Time series are presented for the class II methanol maser source G12.89+0.49, which has been monitored for nine years at the Hartebeesthoek Radio Astronomy Observatory.
Alexander   +48 more
core   +1 more source

Mineralogy and chemistry of altered Icelandic basalts: Application to clay mineral detection and understanding aqueous environments on Mars [PDF]

open access: yes, 2012
We used a suite of techniques, including those emulating compositional data sets obtained from Mars orbit and obtainable at the Mars surface, to examine aqueous alteration of basaltic rocks from Iceland as a mineralogic and geochemical analog for ...
Bish, D. L.   +3 more
core   +2 more sources

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