116 Result(s)
within
**ng-hua Li
English
Materials Engineering
Metallic Materials
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Article
Optical and electrical anisotropy regulation engineering of low-dimensional materials toward polarized detection and imaging applications
Polarized-sensitive image sensors are a kind of photodetector with great development potential due to their enhanced ability to detect and identify the target objects from the aspect of spatial, spectral and p...
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Article
Solar-driven photothermal catalytic CO2 conversion: a review
It is highly desirable to seek green and sustainable technologies, such as employing photothermal effects to drive energy catalysis processes to address the high energy demand and associated environmental impa...
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Article
Anomalous response to creep deformation from dislocation density during electrically assisted creep aging
Adding numerous dislocations into metallic materials before the forming stage significantly enhances their deformability. However, this beneficial effect of dislocation defects may not have a simple monotonic ...
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Article
Synergistic rare-earth yttrium single atoms and copper phosphide nanoparticles for high-selectivity ammonia electrosynthesis
Electrochemical nitrate reduction to NH3 holds a great promise for N-upcycling in nature, while its sluggish reaction kinetics involved in both the stepwise deoxygenation and hydrogenation processes necessitates ...
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Article
Machine learning guided efficiency improvement for Sn-based perovskite solar cells with efficiency exceeding 20%
Eco-friendly lead-free tin (Sn)-based perovskites have drawn much attention in the field of photovoltaics, and the highest power conversion efficiency (PCE) of Sn-based perovskite solar cells (PSCs) has been r...
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Article
Revealing dislocation activity modes during yielding and uniform deformation of low-temperature tempered steel by acoustic emission
The distinctive distribution of acoustic emission (AE) characteristic parameters generated during tensile testing of low-temperature tempered AISI 4140 steel was investigated. Two clusters of acoustic emission...
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Article
Cooperative enhancement of mechanical and tribological properties through tailoring TiN transition interface in boron nitride nanosheets reinforced copper composites
Strengthening interface bonding between boron nitride nanosheets (BNNS) and copper matrix is an essential prerequisite for exploiting a new generation of copper matrix composites (CMCs) with high strength and ...
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Article
Gas sensor array based on carbon-based thin-film transistor for selective detection of indoor harmful gases
The identification of indoor harmful gases is imperative due to their significant threats to human health and safety. To achieve accurate identification, an effective strategy of constructing a sensor array co...
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Article
Amorphous NiMo3S13/nickel foam integrated anode for lithium-ion batteries
Although crystalline anode materials with long-range ordered lattice structure are in favor of facilitating the electron transfer, their structures are easily disrupted during long-term cycling due to the cont...
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Article
Multi-performance evaluation of high-throughput accelerated corrosion test for high-strength low-alloy 921A steel
The corrosion behavior of high-strength low-alloy 921A steel in a simulated marine atmospheric environment was studied using a high-throughput experimental method. The corrosion behavior, corrosion morphology,...
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Article
Efficient micrometer-scale thick-film perovskite solar cells with superior stability
It is essential to enhance the thickness of the absorber layer for perovskite solar cells (PSCs) to improve device performance and reduce industry refinement. However, thick perovskite films (> 1 μm) are diffi...
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Article
A highly selective electrochemical impedimetric sensor for imidacloprid determination based on WO3/MoS2 nanosheets/molecularly imprinted polymer composite
In this study, an electrochemical impedimetric sensor was established for imidacloprid (IMI) detection based on WO3/MoS2 and molecular imprinted polymer (MIP) composite. MIP layer was prepared on electrode surfac...
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Article
Hydrophobic long-chain two-dimensional perovskite scintillators for underwater X-ray imaging
The underwater X-ray imaging technology development is significant to subaqueous target reconnaissance/detection/identification, subfluvial archaeology, submerged resource exploration, etc. As the core of X-ra...
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Article
Heteroepitaxial growth of Au@Pd core–shell nanocrystals with intrinsic chiral surfaces for enantiomeric recognition
Noble metal surfaces with intrinsic chirality serve as an ideal candidate for investigating enantioselective chemistry due to their superior chemical durability and high catalytic activity. Recently, significa...
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Article
Machine learning for prediction of retained austenite fraction and optimization of processing in quenched and partitioned steels
The metastable retained austenite (RA) plays a significant role in the excellent mechanical performance of quenching and partitioning (Q&P) steels, while the volume fraction of RA (
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Article
Effects of magnetic field and hydrostatic pressure on the antiferromagnetic–ferromagnetic transition and magneto-functional properties in Hf1-xTaxFe2 alloys
In this study, the thermal expansion of Hf1-xTaxFe2 (x = 0.10, 0.13, 0.15) compounds by adjusting the Ta concentration was successfully regulated. The magnetocaloric properties, hydrostatic pressure affecting the...
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Article
Heterointerface of all-alkynyl-protected Au28 nanoclusters anchored on NiFe-LDHs boosts oxygen evolution reaction: a case to unravel ligand effect
Ultrasmall Au nanoclusters have been proven to effectively enhance the catalytic performance of NiFe layered double hydroxides (NiFe-LDHs) toward oxygen evolution reaction (OER), yet the surface ligand effect ...
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Article
A flexible electrochemical sensor for paracetamol based on porous honeycomb-like NiCo-MOF nanosheets
The overdose of 4-aminophenol (AP) threatens human health, and the determination of AP is crucial. Here, we report a flexible electrochemical sensor for highly sensitive and precise determination of AP. The ul...
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Article
Dynamic recrystallization behavior and coincidence site lattice evolution in thermal deformation of 316H stainless steel used in nuclear systems
The hot deformation behavior of 316H stainless steel used in the 4th-generation nuclear systems was investigated by thermal compression tests at 1000–1150 °C and 0.01–10 s−1. It was found that true stress firstly...
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Article
Mechanism of cryogenic, solid solution and aging compound heat treatment of die-cast Al alloys considering microstructure variation
To develop a new compound heat treatment process for improving the mechanical properties of die-cast Al alloys, this study investigated the effects of cryogenic, solution and aging compound treatment on the mi...
