Results 171 to 180 of about 20,095 (311)

Low temperature hot-wire polysilicon waveguides

open access: yes
We fabricated and measured low loss polysilicon waveguides deposited using Hot-Wire Chemical Vapor Deposition (HWCVD) at 240 °C.
Tarazona, A.   +4 more
core  

A Review of Grain Boundaries: Formation Mechanism, Synthesis Strategy, and Application in Electrocatalysis

open access: yesEcoEnergy, EarlyView.
An overview of grain boundary engineering in the field of electrocatalysis. ABSTRACT Key electrocatalytic reactions such as HER, OER, ORR, CO2RR, and NRR offer promising routes for storing renewable energy as chemical fuels. However, their widespread application is constrained due to the lack of highly active and stable catalysts. Grain boundaries (GBs)
Jingyu Gao   +8 more
wiley   +1 more source

Comparative analysis of temperature effect on bandgap characteristics in 1D phononic crystals: Periodic versus quasiperiodic structures. [PDF]

open access: yesPLoS One
Heravi FJ   +9 more
europepmc   +1 more source

150 mm Silicon-on-polycrystalline-Silicon Carbide

open access: yes, 2010
150 mm Silicon-on-polycrystallin-Silicon Carbie (poly-SiC) bybrid substrate, without intermediate oxide layers have been realised by hydrophilic wafer bonding of SOI- and poly-SiC wafers. A novel rapid thermal treatment step was introduced before furnace
Norström, Hans,   +4 more
core  

Circular and Bio‐Sourced Polymers for Energy Applications: Natural Feedstocks, Recycling, and Upcycling Routes

open access: yesEcoEnergy, EarlyView.
This review provides a critical comparative analysis of circular and bio‐sourced polymers for energy storage, systematically evaluating natural feedstocks alongside recycling and upcycling strategies for battery components. Key structure–property–performance relationships and inherent trade‐offs between sustainability metrics and electrochemical ...
Priyank Sinha   +3 more
wiley   +1 more source

Imaging Results from a Direct Conversion X-ray Detector with TlBr and CMOS Pixel Array. [PDF]

open access: yesIEEE Trans Nucl Sci
Christian JF   +12 more
europepmc   +1 more source

Integrated Polycrystalline Silicon Photomask Technology for Low-Temperature Polycrystalline Silicon (LTPS) TFTs

open access: yesProceedings of the International Display Workshops, 2019
Ye, Jia-Hong   +6 more
openaire   +1 more source

Transition Metal Compounds as Thermochromic Materials: Classification, Properties, Limitations, and Applications

open access: yesEcoEnergy, EarlyView.
This review systematically examines how different transition metal compounds—such as binary and multinary metal oxides, halides, sulfides, and salts—exhibit thermochromism based on the d‐electron configurations of their transition metal cations. It focuses on three main mechanisms of thermochromism: phase transition, charge transfer, and bandgap change.
Jie Wang   +5 more
wiley   +1 more source

Design and Operation of Photovoltaic‐Driven Electrocatalytic Water Splitting for Hydrogen Production

open access: yesEcoEnergy, EarlyView.
Photovoltaic‐driven electrocatalytic water splitting offers a scalable route to green hydrogen. This review introduces fundamental photovoltaic principles and key PV performance metrics, compares different PV–EC configurations, and provides practical guidance on design, operation, and PV–EC matching. Key bottlenecks and future directions for efficiency
Zhenlan Dou   +6 more
wiley   +1 more source

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