A5100444365- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Perovskite Materials and Applications
- Solid-state spectroscopy and crystallography
- Crystallography and molecular interactions
- Metal-Organic Frameworks: Synthesis and Applications
- Magnetism in coordination complexes
- Ferroelectric and Piezoelectric Materials
- Acoustic Wave Resonator Technologies
- Organic and Molecular Conductors Research
- Electrochemical sensors and biosensors
- Metal complexes synthesis and properties
- Electrochemical Analysis and Applications
- Conducting polymers and applications
- Crystal structures of chemical compounds
- Lanthanide and Transition Metal Complexes
- Crystal Structures and Properties
- Luminescence and Fluorescent Materials
- Multiferroics and related materials
- 2D Materials and Applications
- Nanoplatforms for cancer theranostics
- Luminescence Properties of Advanced Materials
- Gas Sensing Nanomaterials and Sensors
- Organometallic Complex Synthesis and Catalysis
- Nonlinear Optical Materials Research
Southeast University
2016-2025
Chinese Academy of Sciences
2016-2025
East China Normal University
2013-2025
Hainan University
2024-2025
Center for Excellence in Brain Science and Intelligence Technology
2018-2025
Southwest Jiaotong University
2024
Fujian Institute of Research on the Structure of Matter
2019-2024
China University of Geosciences
2024
Hefei Institutes of Physical Science
2018-2024
Northwest Institute For Non-Ferrous Metal Research
2021-2024
Molecular ferroelectrics are highly desirable for their easy and environmentally friendly processing, light weight, mechanical flexibility. We found that diisopropylammonium bromide (DIPAB), a molecular crystal processed from aqueous solution, is ferroelectric with spontaneous polarization of 23 microcoulombs per square centimeter [close to barium titanate (BTO)], high Curie temperature 426 kelvin (above BTO), large dielectric constant, low loss. DIPAB exhibits good piezoelectric response...
A family of three-dimensional chiral metal–formate frameworks [NH4][M(HCOO)3 ] (M = Mn, Fe, Co, Ni, and Zn) displays paraelectric to ferroelectric phase transitions between 191 254 K, triggered by disorder–order NH4+ cations their displacement within the framework channels, combined with spin-canted antiferromagnetic ordering 8–30 K for magnetic members, providing a new class metal–organic showing coexistence electric orderings.
Vitamin "D": The perdeutero metal–organic framework [(CD3)2ND2][Co(DCOO)3] (see structure) undergoes two phase transitions, including one above room temperature, which is unprecedented for metal formates. Magnetic and dielectric hysteresis loops make it an example of a multiferroic MOF without coupling magnetic electric ordering. Detailed facts importance to specialist readers are published as "Supporting Information". Such documents peer-reviewed, but not copy-edited or typeset. They made...
The inclusion compound [(CH3)2NH2]2[KCo(CN)6] exhibits a marked temperature-dependent dielectric constant and can be considered as model of tunable switchable materials. Crystal structure solid-state NMR studies reveal property between low high states around 245 K. This originates from an order-disorder phase transition the system, changing dynamics polar dimethylammonium (DMA) cation. Furthermore, tuning at temperatures below point is related to increasing angular pretransitional...
A simple organic salt, diisopropylammonium chloride, shows the highest ferroelectric phase transition temperature among molecule-based ferroelectrics with a large spontaneous polarization, making it candidate for practical technological applications.
Superhydrophobic surfaces are widely found in nature, inspiring the development of excellent antiwater with barrier coatings isolating underlying materials from external environment. Here, naturally occurring superhydrophobicity lotus seedpod is reported. Protective that mimic fabricated on AZ91D Mg alloy synergistic effect robust and durable corrosion resistance. The predesigned titanium dioxide films coated by an situ hydrothermal synthesis technique. Through sonication assisted...
Rotation does work! The organic–inorganic hybrid cage compound (HIm)2[KFe(CN)6] (1, HIm=imidazolium) with a perovskite-type structure exhibits two phase transitions at 158 K and 187 (see picture showing anisotropic dielectric permittivities of the single crystal). These are due to order–disorder behavior rotatable guest molecules. Compound 1 is new class switchable molecular striking anomalies anisotropy.
Molecular motion is one of the structural foundations for development functional molecular materials such as artificial motors and ferroelectrics. Herein, we show that pendulum-like terminal group a molecule causes ferroelectric phase transition. Complex 4-methoxyanilinium tetrafluoroborate-18-crown-6 ([C7H10NO(18-crown-6)]+[BF4]−, 1) shows second-order transition at 127 K, together with an abrupt dielectric anomaly, Debye-type relaxation behavior, symmetry breaking confirmed by temperature...
An increased population of CD4+CD25highFoxp3+ regulatory T cells (Tregs) in the tumor-associated microenvironment plays an important role cancer immune evasion. However, underlying mechanism remains unclear. Here we observed secretion miR-214 various types human cancers and mouse tumor models. Tumor-secreted was sufficiently delivered into recipient by microvesicles (MVs). In targeted peripheral CD4+ cells, tumor-derived efficiently downregulated phosphatase tensin homolog (PTEN) promoted...
In the Brookhart type α-diimine palladium catalyst system, it is highly challenging to tune polymer branching densities through ligand modifications or polymerization conditions. this contribution, we describe synthesis and characterization of a series ligands corresponding catalysts bearing both dibenzhydryl moiety with systematically varied sterics. ethylene polymerization, possible catalytic activities ((0.77–8.85) × 105 g/(mol Pd·h)), molecular weights (Mn: (0.2–164.7) 104),...
The medial preoptic area (mPOA) differs between males and females in nearly all species examined to date, including humans. Here, using fiber photometry recordings of Ca2+ transients freely behaving mice, we show ramping activities the mPOA that precede correlate with sexually dimorphic display male-typical mounting female-typical pup retrieval. Strikingly, optogenetic stimulation elicits similar retrieval both females. Furthermore, by means recording, ablation, activation, inhibition,...
Cropland soil organic carbon (SOC) is undergoing substantial alterations due to both environmental and anthropogenic changes. Although numerous case studies have been conducted, there remains a lack of quantification the consequences such changes on SOC sequestration across global agricultural systems. Here, we conducted meta-analysis under different fertilizer managements, namely unbalanced application chemical fertilizers (UCF), balanced (CF), with straw (CFS), manure (CFM). We show that...
Abstract With the continuous development and implementation of Internet Things (IoT), growing demand for portable, flexible, wearable self‐powered electronic systems significantly promotes micro‐electrochemical energy storage devices (MEESDs), such as micro‐batteries (MBs) micro‐supercapacitors (MSCs). By overcoming limitations traditional fabrication processes, 3D printing techniques have been attracting much attention in recent years. Theoretically, technologies can manufacture any...
All-inorganic lead-free perovskite-derivative metal halides have shown great promise in optoelectronics, however, it remains challenging to realize efficient near-infrared (NIR) luminescence these materials. Herein, we report a novel strategy based on Te4+ /Ln3+ (Ln=Er, Nd, and Yb) co-doping achieve NIR vacancy-ordered double perovskite Cs2 ZrCl6 phosphors, which are excitable by low-cost near-ultraviolet light-emitting diode (LED) chip. Through sensitization the spin-orbital allowed 1 S0 →3...
Direct detection of circularly polarized light (CPL) is a challenging task due to limited materials and ambiguous structure-property relationships that lead low distinguishability the helicities. Perovskite ferroelectric semiconductors incorporating chirality provide new opportunities in dealing with this issue. Herein, pair 2D chiral perovskite ferroelectrics reported, which have enhanced CPL performance interplays among lattice, photon, charge, spin, orbit. The chirality-transfer-induced...
2D hybrid lead halide perovskites exhibit versatile photoluminescent behaviors for narrowband to broadband emissions (BBEs) and have become attractive candidates potential applications such as solid-state lighting. Establishing the relationship between perovskite structural distortion BBE is key but challenging in designing optimizing luminophores. Conventional attention given analyzing intra-octahedron of [PbX6]4- (X = halide) unit that has not yet provided a clear structure-luminescence...
Metal halide perovskites (MHPs) have garnered significant attention due to their distinctive optical and electronic properties, coupled with excellent processability. However, the thermal characteristics of these materials are often overlooked, which can be harnessed cater diverse application scenarios. We showcase efficacy lowering congruent melting temperature (Tm) layered 2D MHPs by employing a strategy that involves modification flexible alkylammonium through N-methylation...
Metal−organic coordination (MOC)-type ferroelectrics, cobalt(II) (R)-2-methylpiperazine (MPPA) trichloride [CoIICl3(H-MPPA)], was constructed through hydrogen bonds. It is a good ferroelectric candidate with Ps = 6.8 μC·cm−2 as high almost twice that of triglycine sulfate (Ps 3.5 μC·cm−2) and significantly larger than KH2PO4 at the low-temperature phase Fdd2. [CoIICl3(H-MPPA)] first example MOC can really reach spontaneous polarization status opens up new avenue to explore novel MOC-based...
Compound [H(2)dbco](2) x [Cl(3)] [CuCl(3)(H(2)O)(2)] H(2)O undergoes a sharp dielectric anomaly and paraelectric-to-ferroelectric phase transition at approximately -23 degrees C with spontaneous polarization of 1.04 microC cm(-2), being the first molecular metal coordination compound ferroelectrics large response involving 2 orders magnitude enhancement distinct Curie point. This work has proved an effective way for exploration new based on five-coordinated divalent through combination...
A series of iron complexes ligated by 2-imino-1,10-phenanthrolinyl ligands, LFeCl2 (L = 2-(ArNCR)-1,10-phen), were synthesized and sufficiently characterized elemental spectroscopic analysis along with X-ray diffraction analysis. Activated methylaluminoxane (MAO) or modified (MMAO), these iron(II) show high catalytic activities up to 8.95 × 107 g mol-1(Fe) h-1 for ethylene oligomerization. The distribution oligomers produced follows Schluz−Flory rules selectivity α-olefins. Both the steric...
A novel mononuclear metal-organic compound, [Cu(Hdabco)(H(2)O)Cl(3)] (1, dabco = 1,4-diazabicyclo[2.2.2]octane) in which the Cu(II) cation adopts a slightly distorted bipyramidal geometry where three Cl anions constitute equatorial plane and Hdabco H(2)O molecule occupy two axial positions, was synthesized. Its paraelectric-to-ferroelectric phase transition at 235 K (T(c)) dynamic behaviors were characterized by single crystal X-ray diffraction analysis, thermal dielectric ferroelectric...