Institution
Hefei National Center for Physical Sciences at Nanoscale
Recent research
- Engineering & Technology
Synergistic Field‐Effect and Chemical Passivation for Sb 2 Se 3 Solar Cells
ABSTRACT Sb 2 Se 3 is a promising thin‐film photovoltaic absorber, yet its performance is limited by severe nonradiative recombination originating from interfacial and bulk defects. Here, we address this challenge by developing a synergistic passivation strategy that combines int...
- Materials & Energy
In Situ and Operando Techniques for Electrocatalysis in Renewable Energy Applications
ABSTRACT Electrocatalysis is essential for renewable energy conversion, yet the mechanisms governing catalytic performance remain poorly understood due to the complex nature of electrochemical interfaces. Advances in nanomaterial synthesis and high‐resolution characterization now...
- AI & ComputingOpen access
Fluorescence microscopy is often limited by low signal-to-noise ratios arising from the finite number of detected photons and by an out-of-focus background that obscures structural details. Here, we introduce a physics-informed end-to-end learning framework that enables denoising...
ABSTRACT Membrane‐based separation technologies have emerged as energy‐efficient and environmentally sustainable alternatives to traditional industrial separation processes. However, the development of high‐performance separation membranes faces fundamental material challenges, a...
The activity‐stability trade‐off of RuO 2 ‐based catalysts in the acidic oxygen evolution reaction (OER) remains a major bottleneck for proton exchange membrane water electrolysis (PEMWE). Herein, a synergistic bimetallic codoping strategy was proposed to harness the complementar...
ABSTRACT Membrane‐based separation technologies have emerged as energy‐efficient and environmentally sustainable alternatives to traditional industrial separation processes. However, the development of high‐performance separation membranes faces fundamental material challenges, a...
- Physics & SpaceOpen access
Customized Itinerant Frequency Combs by Cascaded Nonlinear Effects
ABSTRACT Frequency combs are pivotal in nonlinear optics, with extensive applications in modern optics and precision measurement. Precise control over their critical parameters is essential to enhance performance and expand the range of applications. In this work, we develop a ca...
- Materials & Energy
Negative Interfacial Tension Driven by Intrinsic Molecular Disorder
Abstract Intrinsically disordered molecular systems, such as random copolymers and intrinsically disordered proteins, exhibit scale-invariant, power-law cluster distributions that cannot be explained by conventional mean-field theories. A fundamental challenge is to understand ho...
- Materials & EnergyOpen access
Quantum noise spectroscopy of nanoscale charge defects in silicon carbide at room temperature
The nanoscale charge environment critically influences the performance of semiconductor devices, yet traditional characterization techniques usually lack the spatial resolution to resolve nanoscale charge heterogeneity and identify microscopic noise sources. Here, we address this...
- Engineering & Technology
High-Quality InSb Nanowires Grown by Molecular-Beam Epitaxy via Precise Catalyst Modulation
Abstract Semiconductor InSb nanowires are a major material candidate for topological quantum computation. The nanowires in current devices were mostly grown using metal–organic chemical vapor deposition, which is incompatible with in situ growth of superconductors, a crucial requ...
- Health & MedicineOpen access
Abstract Background Immunotherapy is being actively explored for malignant tumors through various approaches, with recent success exemplified by immune checkpoint inhibitors (ICIs), which function by restoring T-cell activity to eliminate tumor cells. Some chemotherapeutic drugs...
- Engineering & Technology
ABSTRACT Alcohol dehydration reactions on oxide catalysts serve one of the foundational reactions in biomass valorization and fine chemical synthesis. The dehydration mechanism has been established as the unimolecular pathway (E1 and E1cb) or bimolecular cooperation pathway (E2)....
- Engineering & Technology
ABSTRACT Alcohol dehydration reactions on oxide catalysts serve one of the foundational reactions in biomass valorization and fine chemical synthesis. The dehydration mechanism has been established as the unimolecular pathway (E1 and E1cb) or bimolecular cooperation pathway (E2)....
- Materials & Energy
ABSTRACT Host–guest doping has emerged as a facile and efficient strategy for the fabrication of organic room‐temperature phosphorescence (RTP) materials. Nonetheless, how the chemical structures of dopants and matrices systematically influence the triplet exciton dynamics of sol...
- Materials & Energy
Ultra‐High Contrast Terahertz Modulation and Pixelated Display Based on VO 2 Metasurface
ABSTRACT The development of high‐performance, dynamically reconfigurable devices is important for advancing Terahertz (THz) technology. Vanadium dioxide (VO 2 ), a metal‐insulator transition oxide with a near‐room‐temperature critical point, is promising for infrared (IR) and THz...
- Engineering & Technology
Abstract Based on the accumulation of the high-quality databases from experimental measurements and theoretical calculations, data-driven machine learning approaches has been widely applied to rate coefficient prediction. However, most existing models are confined to single-tempe...
- Physics & Space
Efficient Waveform Capture without Absorption with Synthesis of Complex Frequencies
Abstract An optical waveform can be synthesized using complex-frequency waves as well as real-frequency harmonic waves. While a single complex-frequency wave with exponentially rising waveform can be perfectly absorbed in lossless structures. Here, we propose that diverse optical...
- Biology
Abstract Due to the intrinsic electron-donating effect of chalcogen lone pairs to the aromatic rings, well-characterized radicals, including phenoxy and thiophenoxy, demonstrate that sulfur substitution for oxygen generally raises the electron affinity (EA). Here we report a coun...
- Physics & Space
Abstract The spin ladder model is an important platform bridging one-dimensional and two-dimensional magnetic systems, with its physical properties modulated by geometric configuration. As such, the S = 1/2 two-leg antiferromagnetic spin ladder has attracted attention due to its...
- Engineering & Technology
ABSTRACT Metal single‐atom catalysts (SACs) for sodium−sulfur (Na−S) batteries typically rely solely on thiophilic binding sites to interact with the polysulfide anions of sodium polysulfides (NaPSs), which intrinsically restricts their catalytic efficiency in sulfur redox reacti...