A5053890952- 2D Materials and Applications
- Perovskite Materials and Applications
- MXene and MAX Phase Materials
- High-pressure geophysics and materials
- Fullerene Chemistry and Applications
- Boron and Carbon Nanomaterials Research
- Electronic and Structural Properties of Oxides
- Quantum Dots Synthesis And Properties
- Diamond and Carbon-based Materials Research
- Graphene research and applications
- Catalytic Processes in Materials Science
- Transition Metal Oxide Nanomaterials
- Ga2O3 and related materials
- ZnO doping and properties
- Chalcogenide Semiconductor Thin Films
- Magnetic and transport properties of perovskites and related materials
- Organic and Molecular Conductors Research
- Magnetism in coordination complexes
- Luminescence Properties of Advanced Materials
- Advanced Photocatalysis Techniques
- Gas Sensing Nanomaterials and Sensors
- Advanced Condensed Matter Physics
- Copper-based nanomaterials and applications
- Metal-Organic Frameworks: Synthesis and Applications
- Catalysis and Oxidation Reactions
Jilin University
2016-2025
State Key Laboratory of Superhard Materials
2016-2025
Jilin Medical University
2014-2025
Qingdao University
2025
Affiliated Hospital of Qingdao University
2025
V. Bakul Institute for Superhard Materials
2024-2025
Guangdong University of Technology
2024
Hunan Normal University
2024
Hunan Provincial People's Hospital
2024
State Key Laboratory on Integrated Optoelectronics
2021
In this paper, CeO2 nanocubes with the (200)-terminated surface/graphene sheet composites have been prepared successfully by a simple hydrothermal method. It is found that high crystallinity and specific exposed surface are well dispersed on well-exfoliated graphene surface. The modified electrode showed much higher sensitivity excellent selectivity in its catalytic performance compared to nanoparticle-modified electrode. photoluminescence intensity of anchored about 30 times than pristine...
The catalytic activity has been investigated in 2D materials, and the unique structural electronic properties contribute to their success conventional heterogeneous catalysis. Heterojunction-based piezocatalysis attracted increasing attention due band-structure engineering enhanced charge carrier separation by prominent piezoelectric effect. However, piezocatalytic behavior of van der Waals (vdW) heterostructures is still unknown, finite active sites, catalyst poisoning, poor conductivity...
Abstract Metal halide perovskite quantum dots (QDs) have garnered tremendous attention in optoelectronic devices owing to their excellent optical and electrical properties. However, these QDs are plagued by pressure‐induced photoluminescence (PL) quenching, which greatly restricts potential applications. Herein, the unique properties of Eu 3+ ‐doped CsPbCl 3 under high pressure reported. Intriguingly, PL ions displays an enhancement with up 10.1 GPa still preserves a relatively intensity at...
Abstract Developing a universal strategy to design piezochromic luminescent materials with desirable properties remains challenging. Here, we report that insertion of non-emissive molecule into donor (perylene) and acceptor (1,2,4,5-tetracyanobezene) binary cocrystal can realize fine manipulation intermolecular interactions between perylene 1,2,4,5-tetracyanobezene (TCNB) for properties. A continuous pressure-induced emission enhancement up 3 GPa blue shift from 655 619 nm have been observed...
Simultaneous study of magnetic and electrocatalytic properties cobaltites under extreme conditions expands the understanding physical chemical processes proceeding in them with possibility their further practical application. Therefore, La0.6Sr0.4CoO3 (LSCO) nanopowders were synthesized at different annealing temperatures tann = 850–900 °C, multifunctional studied comprehensively. As increases, rhombohedral perovskite structure LSCO becomes more single-phase, whereas average particle size...
Abstract Two-dimensional (2D) crystals exhibit unique and exceptional properties show promise for various applications. In this work, we systematically studied the structures of a 2D boronphosphide (BP) monolayer with different stoichiometric ratios (BP x , = 1, 2, 3, 4, 5, 6 7) observed that each compound had stable structure metallic or semiconducting electronic properties. Surprisingly, BP 5 compounds, discovered rare penta-graphene-like tetragonal lattice. This was semiconductor...
Transition-metal dichalcogenide $1T\text{\ensuremath{-}}{\mathrm{VSe}}_{2}$ experimentally exhibits multiple charge density wave (CDW) orders, but its origin is still under debate. Using first-principles calculations, we investigate the of CDW orders in and clarify ground state freestanding monolayer. Our results show that both Fermi-surface nesting electron-phonon coupling account for $4\ifmmode\times\else\texttimes\fi{}4\ifmmode\times\else\texttimes\fi{}3$ superstructure bulk...
Abstract The adoption of high pressure not only reinforces the comprehension structure and exotic electronic states transition metal dichalcogenides (TMDs) but also promotes discovery intriguing phenomena. Here, 1T-TaS 2 was investigated up to 100 GPa, re-enhanced superconductivity found with structural phase transitions. discovered I4/mmm TaS presents strong electron–phonon coupling, revealing a good nonlayered structure. P – T diagram shows dome shape centered at ~20 which is attributed...
Pressure has always been an effective method for uncovering novel phenomena and properties in condensed matter physics. Here, electrical transport study is carried on 2H-TaS2 up to ≈208 GPa, unexpected superconducting state (SC-II) emerging around 86.1 GPa with initial critical temperature (Tc ) of 9.6 K found. As pressure increases, the Tc enhances rapidly reaches a maximum 16.4 at 157.4 which sets new record transition metal dichalcogenides (TMDs). The original (SC-I) found be re-enhanced...
The discovery of superconductivity in twisted bilayer graphene has reignited enthusiasm the field flat-band superconductivity. However, important challenges remain, such as constructing a structure and inducing superconducting state materials. Here, we successfully achieved Bi2O2Se by pressure-tuning electronic structure. Experimental measurements combined with theoretical calculations reveal that occurrence pressure-induced at 30 GPa is associated near Fermi level. Moreover, Bi2O2Se, van...
Abstract Barocaloric cooling, that is, lowering the temperature of a material under pressure action, is an attractive solid‐state effect can potentially compete with volatile gas‐based cooling. To observe barocaloric (BCE), it necessary for materials to have high‐entropy, low‐hysteretic phase transitions large volume change between phases. Here details on new Fe II complex [Fe(L)(NCS) 2 ], L = N 1 , 3 ‐bis((1‐propyl‐1 H ‐1,2,3‐triazol‐4‐yl)methylene)‐2,2‐dimethylpropane‐1,3‐diamine)...
The structural phase transitions of single-crystal TiO2−B nanoribbons were investigated in situ at high pressure using synchrotron X-ray diffraction and Raman scattering. Our results have shown a pressure-induced amorphization (PIA) occurred upon compression, resulting high-density amorphous (HDA) form related to the baddeleyite structure. Upon decompression, HDA transforms low-density (LDA) form, while samples still maintain their pristine nanoribbon shape. A high-resolution transmission...
Manganites are multifunctional materials which widely used in both technology and devices. In this article, new prospects of their use as nanoparticles for various types applications demonstrated. For that, the ferromagnetic nanopowder La0.6Sr0.4MnO3 has been synthesized by sol-gel method with a subsequent annealing at 700-900 °C. The crystal structure, phase composition morphology well magnetic, magnetothermal electrocatalytic properties have studied comprehensively. critical sizes...
Effective modification of the structure and properties halide perovskites via pressure engineering strategy has attracted enormous interest in past decade. However, sufficient effort insights regarding potential applications high-pressure amorphous phase are still lacking. Here, superior tunable photoelectric that occur pressure-induced amorphization process perovskite Cs3 Bi2 I9 demonstrated. With increasing pressure, photocurrent with xenon lamp illumination exhibits a rapid increase...
A novel piezo-activated luminescent material with wide range modulation of the luminescence wavelength and a giant intensity enhancement upon compression was prepared using strategy molecular doping. The doping THT molecules into TCNB-perylene cocrystals results in formation weak but pressure-enhanced emission center at ambient pressure. Upon compression, emissive band from undoped component undergoes normal red shift quenching, while shows an anomalous blue 615 nm to 574 up 16 GPa. Further...
Interlayer coupling and stacking order play essential roles in shaping the exotic electronic properties of two-dimensional materials. Here, we employ restacked TaS2─a novel transition metal dichalcogenide (TMD) with weak vdW bonding twisted angles─to investigate strain effects interlayer modulation on properties. Under pressure, an unexpected from metallic to semiconducting-like states occurs. Superconductivity coexists state over a wide pressure range, which has never before been observed...
Single crystalline TiO2-B nanoribbons with high-density nanocavities were successfully synthesized via a simple hydrothermal route. The as-prepared exhibited large Brunauer, Emmett, and Teller (BET) surface area of about 305 m(2)/g because the inside thin nanoribbons. Electrochemical measurements indicated that dense showed discharge specific capacity higher than those nanotubes nanowires. It was found have an important influence on electrochemical lithium intercalation properties.
The phase transitions of one-dimensional (1D) anatase TiO2 nanowires were studied by in situ high-pressure synchrotron X-ray diffraction and Raman scattering up to 37 GPa. A direct anatase-to-baddeleyite transformation was observed at ∼9 GPa, which is clearly different from the size-dependent transition behaviors for nanocrystalline TiO2. We found higher compressibility c-axis compared a-axis that may be attributed both crystal structural feature growth direction nanowires. Ti–O bonds show...