A5115588274- Semiconductor Quantum Structures and Devices
- Advanced Semiconductor Detectors and Materials
- Semiconductor Lasers and Optical Devices
- Photonic and Optical Devices
- Quantum and electron transport phenomena
- GaN-based semiconductor devices and materials
- Semiconductor materials and interfaces
- Graphene research and applications
- Nanowire Synthesis and Applications
- Quantum Dots Synthesis And Properties
- ZnO doping and properties
- Semiconductor materials and devices
- Crystallization and Solubility Studies
- 2D Materials and Applications
- Electromagnetic Simulation and Numerical Methods
- Inorganic Chemistry and Materials
- Spectroscopy and Laser Applications
- X-ray Diffraction in Crystallography
- CO2 Reduction Techniques and Catalysts
- Advanced Photocatalysis Techniques
- MXene and MAX Phase Materials
- Ga2O3 and related materials
- Surface and Thin Film Phenomena
- Advanced Chemical Physics Studies
- Electromagnetic Scattering and Analysis
Hefei National Center for Physical Sciences at Nanoscale
2020-2025
University of Science and Technology of China
2020-2025
Air Force Medical University
2025
Yan'an University
2025
Microscale (United States)
2025
China Meteorological Administration
2024
Handan College
2024
Chinese Academy of Sciences
2012-2023
University of Chinese Academy of Sciences
2015-2023
South China Sea Institute Of Oceanology
2022-2023
CO2 conversion to chemical fuels through photoreduction, electroreduction, or thermoreduction is considered as one of the most effective methods solve environmental pollution and energy shortage problems. However, recent studies show that involved catalysts may undergo continuous reconstruction under realistic working conditions, which unfortunately causes controversial results concerning active sites reaction mechanism reduction. Thus, it necessary, while challenging, monitor in real time...
CO2 electroreduction to high-energy-density C2+ products is highly attractive, whereas the selectivity under industrial current densities still unsatisfying. Here, an anti-swelling anion exchange ionomer (AEI) was first proposed optimize local environment for promoting industrial-current-density CO2-to-C2+ electroreduction. Taking AEI-modified oxide-derived Cu nanosheets as example, in situ Raman spectroscopy and contact angle measurements revealed that OH--accumulated -N(CH3)3+ groups...
Direct electrosynthesis of high-value amino acids from carbon and nitrogen monomers remains a challenge. Here, we design tandem dual-site PbCu electrocatalyst for efficient acid electrosynthesis. Using oxalic (H2C2O4) hydroxylamine (NH2OH) as the raw reactants, first time, have realized flow-electrosynthesis glycine at industrial current density 200 mA cm–2 with Faradaic efficiency over 78%. In situ ATR-FTIR spectroscopy characterizations reveal favorable pathway on catalyst. Specifically,...
Dilute bismide in which a small amount of bismuth is incorporated to host III-Vs the least studied III-V compound semiconductor and has received steadily increasing attention since 2000. In this paper, we review theoretical predictions physical properties alloys, epitaxial growth thin films nanostructures, surface, structural, electric, transport optic various binaries device applications.
Coordinated uterine-embryonic axis formation and decidual remodeling are hallmarks of mammalian post-implantation embryo development. Embryonic-uterine orientation is determined at initial implantation synchronized with However, the molecular mechanisms controlling these events remain elusive despite its discovery a long time ago. In present study, we found that uterine-specific deletion Rbpj, nuclear transducer Notch signaling, resulted in abnormal embryonic-uterine patterning stages,...
Among nearly 100 mammalian species, implantation can be suspended at blastocyst stage for a certain time and reactivated under favorable conditions, phenomenon known as embryonic diapause. Until now, the underlying molecular mechanism governing diapause reactivation remained largely unknown. Here we conducted first integral proteomic analysis of blastocysts from to by using physiologically relevant mouse delayed model. More than 6000 dormant were used analysis. A total 2255 proteins...
Organic photoelectrochemical transistor (OPECT) biosensor with a removed background is desired but remains challenging. So far, scientists still lack solution to this issue. The light-matter interplay expected achieve an advanced OPECT unknown possibilities. Here, we address challenge by tailoring unique heterogeneous light antenna as the functional gating module and its cascade interaction proper channel, which exemplified bioinduced [Ru(bpy)2dppz]2+-intercalated DNA nanotubes (NTs)/NiO...
The peculiar properties of the gapless surface states with a Dirac cone shaped energy dispersion in topological insulators (TIs) enable promising applications photodetection an ultra-broad band and polarization sensitivity. Since many TIs can be easily grown on silicon (Si) substrates, Si could make alternative route for photon detection photonics. We present good device performances Si-based single-crystal bismuth telluride (Bi2Te3) photoconductive detector. Room temperature photo responses...
First-principles calculations are performed to investigate the structural stability of Na adsorption on 1H and 1T phases monolayer MoS2. Our results demonstrate that it is likely make distorted phase MoS2 over through atoms. The type distortion depends concentration adsorbed atoms changes from zigzag-like diamond-like with increasing atom concentrations. show transition 1H-MoS2 1T-MoS2 can be obtained by adsorption. We also calculate electrochemical properties monolayer. These indicate one...
We introduce dispersion-relation-preserving (DRP) algorithms to minimize the numerical dispersion error in large-scale three-dimensional (3D) finite-difference time-domain (FDTD) simulations. The is first expanded spherical harmonics terms of propagation angle and leading order series are made equal zero. Frequency-dependent FDTD coefficients then obtained subsequently a polynomial (Taylor) frequency variable. An inverse Fourier transformation used allow for incorporation new into updates....
The growth of highly oriented (110) γ-CuI films on copper substrates with the best photoluminescence properties among all known CuI are demonstrated, in context improving current techniques preparation for electronic and optoelectronic applications. comparison spectra different orientations shows that prepared less defective give only a sharp exciton band.
InPBi thin films have been grown on InP by gas source molecular beam epitaxy. A maximum Bi composition of 2.4% is determined Rutherford backscattering spectrometry. X-ray diffraction measurements show good structural quality for up to 1.4% and a partially relaxed structure higher contents. The bandgap was measured optical absorption, the reduction caused incorporation estimated be about 56 meV/Bi%. Strong broad photoluminescence signals were observed at room temperature samples with xBi <...
Structural and electronic properties of two-dimensional stanene graphene heterostructure (Sn/G) are studied by using first-principles calculations. Various supercell models constructed in order to reduce the strain induced lattice mismatch. The results show that interacts overall weakly with via van der Waals (vdW) interactions. Multiple phases different crystalline orientation could coexist at room temperature. Moreover, interlayer interactions can induce tunable band gaps stanene's Dirac...
Motivated by potential extensive applications in nanoelectronics devices, we calculate structural and optoelectronic properties of two-dimensional InN as well its three-dimensional counterparts using density functional theory.
Quasiparticle band structures and optical properties of two dimensional stanene stanane (fully hydrogenated stanene) are studied by the GW plus Bethe-Salpeter equation (GW-BSE) approaches, with inclusion spin-orbit coupling (SOC). The SOC effect is significant for electronic in both stanane, compared their group IV-enes IV-anes counterparts. Stanene a semiconductor quasiparticle gap 0.10 eV. Stanane has sizable 1.63 eV strongly binding exciton energy Under strain, spectrum tunable.
As a promising new class of near-infrared light emitters, GaAsBi laser diodes (LDs) are considered to have high energy efficiency and an insensitive temperature dependence the band gap. In this paper, we realize longest ever reported lasing wavelength up 1.142 μm at room in GaAsBi0.058/GaAs quantum well LDs grown by molecular beam epitaxy. The output power is 127 mW 300 K under pulsed mode. We also demonstrate continuous wave mode operation 273 for first time. coefficient GaAsBi/GaAs LD 0.26...
Crystals of the organic−inorganic compounds [NH2C(I)NH2]2ASnI5 (A = NH2C(I)NH2+ and NH2CHNH2+) have been grown in an inert atmosphere from slowly cooled aqueous hydriodic acid solutions, each with same starting concentration dissolved cyanamide tin(II) iodide. Each compound can be achieved high purity yield simply by varying thermal history solution during cooling. If one starts lower temperatures, rapidly undergoes addition reaction to generate iodoformamidinium cation, yielding crystals...