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Recent progress on sulfide infrared nonlinear optical materials with large SHG response and wide band gap

Chinese Journal of Structural Chemistry 2023年第1期42卷 22-29页

作者： Linan Wang Qi Sun Junjie Li Research Center for Crystal Materials CAS Key Laboratory of Functional Materials and Devices for Special EnvironmentsXinjiang Technical Institute of Physics&ChemistryCASUrumqi830011China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing100049China

As the core device of all-solid-state laser,infrared(IR)nonlinear optical(NLO)material plays a critical role in exploring new coherent lights by frequency conversion technologies,which are widely used in noninvasive medical diagnostics,spectroscopy,environmental monitoring and long-distance laser *** satisfy the growing demand of current laser technology in IR regions,high performance NLO materials with large second-harmonic generation(SHG)response,high laser-induced damage threshold(LIDT)and wide transparency range are highly ***,numerous efforts and advances have been achieved in sulfide *** review highlights the progress of high-performance sulfide IR NLO materials with a good balance between strong SHG response(≥1.0×AgGaS_(2))and wide band gap(≥3.0 eV)since *** chemical synthesis,crystal structure,optical properties and structure-property relationship of 13 high performance metal sulfide IR NLO materials are summarized and reviewed in ***,the potential opportunities and challenges in IR NLO materials are discussed.

关键词： Infrared NLO material s Sulfide Structure-property relationship Optical property

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Membranes of Amphiphilic Polyamide 1012 Prepared via Mixed‘Non-solvents’Evaporation Induced Phase Separation

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Chinese Journal of Polymer Science 2025年第1期43卷 153-161,I0011页

作者： Xiang Liu Jie Qiu Yu-Ting Gao Shuo Wang Joachim Loos Du-Jin Wang Xia Dong Tao Wen School of Emergent Soft Matter South China University of TechnologyGuangzhou510640China Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices South China University of TechnologyGuangzhou510640China Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Engineering PlasticsInstitute of ChemistryChinese Academy of SciencesBeijing100190China University of Chinese Academy of Sciences Beijing100049China

Long-chain polyamides(LCPAs)are a class of bio-based polymers that can bridge conventional polyolefins and *** this work,taking the advantage of the amphiphilic nature of polyamide 1012(PA1012),membranes were prepared by using a non-conventional phase separation approach,namely,mixed‘non-solvents’evaporation induced phase separation(MNEIPS).PA1012 can be dissolved in a mixture of polar and non-polar solvents,both of which are non-solvents of *** the sequential evaporation of the two solvents,the phase separation of PA1012 occurred,inducing the formation of porous *** investigated the process of membrane formation in detail,with a specific focus on the liquid-liquid and liquid-solid phase transitions ***,we studied the influence of critical factors,such as polymer concentration and mixed-solvent ratio,on the morphologies and properties of PA1012 *** study provides new insights into the development of porous materials based on long-chain polycondensates.

关键词： Long-chain polyamide Phase separation Membrane

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Near-infrared long-lifetime emission via triplet-to-singlet F?rster resonance energy transfer

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Green Chemical Engineering 2025年第1期6卷 1-5页

作者： Ruihong Liu Dongzhi Liu Xiang Ma Institute of Functional Nano&Soft Materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesSoochow UniversitySuzhou215123China School of Chemical Engineering and Technology Collaborative Innovation Center of Chemical Science and EngineeringTianjin Engineering Research Center of Functional Fine ChemicalsTianjin UniversityTianjin300072China Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic ChemistrySchool of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghai200237China

Here,an innovative approach to achieve near-infrared(NIR)long-lived circularly polarized luminescence(CPL)in amorphous organic polymer materials was *** co-doping bi-naphthalene derivative R/S-BPN as energy donors with porphyrin derivative TPPOH as energy acceptor into PVA polymer matrix,the NIR long-lifetime fluorescence was successfully realized through the principles of triplet-to-singlet F?rster resonance energy transfer(TS-FRET).Photophysical characterizations revealed distinct room temperature phosphorescence(RTP)emission peaks and phosphorescence lifetimes for different donor-acceptor *** TS-FRET process facilitated extended lifetime and red-shifted emission of the acceptor ***,employing the chiral donor R/S-BPN as chiral seeds to establish chiral environments facilitated the achievement of near-infrared *** findings offer a novel and practical strategy for achieving long-wavelength and long-lifetime CPL fluorescence without complex molecular engineering,presenting potential applications in various technological fields.

关键词： Room temperature phosphorescence Circularly polarized luminescence Forster resonance energy transfer

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Achieving ultrahigh electromechanical properties with high TC in PNN-PZT textured ceramics

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Journal of materials Science & Technology 2024年第8期175卷 258-265页

作者： Q.Wang L.Bian K.Li Y.C.Liu Y.L.Yang B.Yang W.W.Cao School of Instrumentation Science and Engineering Harbin Institute of TechnologyHarbin 150080China Guangdong Provincial Key Laboratory of Electronic Functional Materials and Devices Huizhou UniversityHuizhou 516001China Conversion and Storage School of Chemistry and Chemical EngineeringHarbin Institute of TechnologyHarbin 150080China

textured Pb(Ni_(1/3)Nb_(2/3))O_(3)-PbZrO_(3)-PbTiO_(3)(PNN-PZT)ceramics were prepared by templated grain growth(TGG)technique using 0.36PNN-x PZ-(0.64-x)PT(x=0.23,0.25 and 0.27)powder *** template content was derived ... 详细信息

<001>textured Pb(Ni_(1/3)Nb_(2/3))O_(3)-PbZrO_(3)-PbTiO_(3)(PNN-PZT)ceramics were prepared by templated grain growth(TGG)technique using 0.36PNN-x PZ-(0.64-x)PT(x=0.23,0.25 and 0.27)powder *** template content was derived to achieve the best electromechanical properties of textured *** piezoelectric coefficient d33=1165 pC/N,Curie temperature T_(C)=197℃,longitudinal mode electrome-chanical coupling factor k33=0.86 and a very large effective piezoelectric strain coefficient d_(33)^(*)=2041 pm/V were simultaneously achieved at the morphotropic phase boundary(MPB)composition(x=0.25)with 3 vol.%BaTiO_(3)(BT)*** structures of textured ceramics were analyzed in detail to reveal the origin of these high piezoelectric and electromechanical properties.

关键词： Pb(Ni_(1/3)Nb_(2/3))O_(3)-PbZrO_(3)-PbTiO_(3)(PNN-PZT) ceramics MPB composition Texture engineering Electromechanical properties Domain structure

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Magnesium implants with alternating magnetic field-enhanced hydrogen release and proton depletion for anti-infection treatment and tissue repair

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Bioactive materials 2024年第8期38卷 374-383页

作者： Nailin Yang Xiaoyuan Yang Shuning Cheng Xiang Gao Shumin Sun Xuan Huang Jun Ge Zhihui Han Cheng Huang Yuanjie Wang Chong Cheng Liang Cheng Macao Institute of Materials Science and Engineering Macao University of Science and TechnologyTaipa999078Macao SARChina Institute of Functional Nano&Soft Materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials and DevicesSoochow UniversitySuzhou215123China Department of Orthopedics The Second Affiliated Hospital of Soochow UniversitySuzhou215004China Department of Orthopedics The First Affiliated Hospital of Soochow UniversitySuzhou215006China College of Polymer Science and Engineering State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu610065China

Implant-related osteomyelitis is a formidable hurdle in the clinical setting and is characterized by inflammation,infection,and consequential bone ***,effective reactive oxygen species(ROS)scavenging,bacterial killing,and subsequent bone tissue repair are urgently needed for the treatment of difficult-to-heal ***,we utilized the eddy-thermal effect of magnesium(Mg)implants under an alternating magnetic field(AMF)for the controlled release of H_(2)gas and ions(OH^(-)and Mg^(2+))for the treatment of osteomyelitis.H_(2)released by Mg rods under AMFs effectively scavenged cytotoxic ROS,exhibiting anti-inflammatory effects and consequently disrupting the environment of bacterial *** addition,the OH-hindered the energy metabolism of bacteria by effectively neutralizing protons within the ***,H_(2)impaired the permeability of bacterial membranes and expedited the damage induced by OH-.This synergistic AMF-induced H_(2)and proton depletion treatment approach not only killed both gram-negative and gram-positive bacteria but also effectively treated bacterial infections(abscesses and osteomyelitis).Moreover,Mg^(2+)released from the Mg rods enhanced and accelerated the process of bone ***,our work cleverly exploited the eddy-thermal effect and chemical activity of Mg implants under AMFs,aiming to eliminate the inflammatory environment and combat bacterial infections by the simultaneous release of H_(2),OH^(-),and Mg^(2+),thereby facilitating tissue *** therapeutic strategy achieved multiple benefits in one,thus presenting a promising avenue for clinical application.

关键词： Magnesium implants Bacterial infection Alternating magnetic field Gas therapy Proton consumption Anti-inflammatory

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Competition of Composition Fluctuation Modes in Weakly Segregated Salt-doped Symmetric Diblock Copolymers

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Chinese Journal of Polymer Science 2024年第9期42卷 1375-1385,I0008页

作者： Yuan-Xin Zhou Xian Kong South China Advanced Institute for Soft Matter Science and Technology School of Emergent Soft MatterSouth China University of TechnologyGuangzhou510640China Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices South China University of TechnologyGuangzhou510640China

Salt-doped block copolymers have widespread applications in batteries,fuel cells,semiconductors,and various industries,where their properties crucially depend on phase separation ***,investigations into salt-doped diblock copolymers have predominantly focused on microphase separation,overlooking the segregation between ionic and polymeric *** study employs weak segregation theory to explore the interplay between phase separation dominated by the polymer-modulated mode and the salt-out-modulated mode,corresponding to microscopic and macroscopic phase separations,*** comparing diblock copolymers doped with salts to those doped with neutral solvents,we elucidate the significant role of charged species in modulating phase *** phase separation mode exhibits a transition between the polymer-modulated and salt-out-modulated modes at different *** systems doped with neutral solvents,this transition is stepwise,while in salt-ion-doped systems,it is *** a sufficiently large Flory-Huggins parameter between ions and polymers,the salt-out-modulated mode becomes dominant,promoting macrophase *** to the solvation effect of salt ions,salt-doped systems are more inclined to undergo microphase ***,we explore factors influencing the critical wavenumber of phase separation,including doping level and the Flory-Huggins parameters between two blocks and between ions and polymeric *** findings reveal that in a neutral solvent environment,these factors alter only the boundary between micro-and macro-phase separations,leaving the critical wavenumber unchanged in microphase separation ***,in a salt-doped environment,the critical wavenumber of microphase separation varies with these *** provides valuable insights into the pivotal role of electrostatics in the phase separation of salt-doped block copolymers.

关键词： Block copolymer Phase separation Field theory Salt-doped

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Orbital-Ordering Driven Simultaneous Tunability of Magnetism and Electric Polarization in Strained Monolayer VCl_(3)

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Chinese Physics Letters 2024年第4期41卷 126-131页

作者：郭的坪王聪王侣锦陆赟豪吴骅张妍宁季威 Beijing Key Laboratory of Optoelectronic Functional Materials&Micro-Nano Devices Department of PhysicsRenmin University of ChinaBeijing 100872China Key Laboratory of Quantum State Construction and Manipulation(Ministry of Education) Renmin University of ChinaBeijing 100872China Zhejiang Province Key Laboratory of Quantum Technology and Device State Key Laboratory of Silicon MaterialsDepartment of PhysicsZhejiang UniversityHangzhou 310027China Laboratory for Computational Physical Sciences(MOE) State Key Laboratory of Surface Physicsand Department of PhysicsFudan UniversityShanghai 200433China Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of ChinaChengdu 610054China

Two-dimensional(2D)van der Waals magnetic materials have promising and versatile electronic and magnetic properties in the 2D limit,indicating a considerable potential to advance spintronic *** predictions thus far have not ascertained whether monolayer VCl_(3) is a ferromagnetic(FM)or anti-FM monolayer;this also remains to be experimentally *** theoretically investigate the influence of potential factors,including C_(3) symmetry breaking,orbital ordering,epitaxial strain,and charge doping,on the magnetic ground *** first-principles calculations,we predict a collinear type-Ⅲ FM ground state in monolayer VCl_(3) with a broken C_(3) symmetry,wherein only the former two of three t_(2g)orbitals(a_(1g),e_(g2)^(π)and e_(g1)^(π))are *** atomic layer thickness and bond angles of monolayer VCl_(3) undergo abrupt changes driven by an orbital ordering switch,resulting in concomitant structural and magnetic phase *** doping to the underlying Cl atoms of monolayer VCl_(3) without C_(3) symmetry simultaneously induces in-and out-of-plane *** can achieve a multiferroic phase transition if combined with the discovered adjustments of magnetic ground state and polarization magnitude under *** establishment of an orbital-ordering driven regulatory mechanism can facilitate deeper exploration and comprehension of magnetic properties of strongly correlated systems in monolayer VCl_(3).

关键词： monolayer symmetry orbital

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Shape-engineering of organic heterostructures via a sequential selfassembly strategy for multi-channel photon transportation

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Nano Research 2022年第4期15卷 3781-3787页

作者： Yue Yu Qiang Lv Yi Yuan Xue-Dong Wang Liang-Sheng Liao Institute of Functional Nano&Soft Materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesSoochow UniversitySuzhou 215123China Macao Institute of Materials Science and Engineering Macao University of Science and TechnologyTaipaMacao 999078MacaoChina

The controlled self-assembly of organic heterostructures(OHSs)with precisely defined compositions,architectures,and interfaces,have largely remained a ***,we introduce an effective approach to accurately construct three types of axial branching OHSs including unilateral axial OHSs,bilateral single-branching axial OHSs and bilateral multi-branching axial OHSs through modulating hierarchical charge-transfer intermolecular interactions and sequential crystal nucleation rate on account of the two different cocrystals with the low lattice mismatching rate of~2.2%.The present work opens an avenue for rationally designing and finely synthesizing more kinds of OHSs.

关键词： sequential self-assembly axial heterostructures non-covalent interaction lattice-match multi-channel outputs

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Pressure-stabilized hexagonal perovskite-related isolated tetrahedral anion silicate La_(6)Sr_(3)Si_(6)O_(24)

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Chinese Chemical Letters 2023年第5期34卷 548-552页

作者： Jie Feng Lei Zhao Wenda Zhang Cheng Li Congling Yin Xiaojun Kuang Guangxi Key Laboratory of Optic and Electronic Materials and Devices MOE Key Laboratory of New Processing Technology for Nonferrous Metals and MaterialsCollege of Materials Science and EngineeringGuilin University of TechnologyGuilin 541004China Neutron Scattering Division Oka Ridge National LaboratoryOak Ridge 37831United States Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials College of Chemistry and BioengineeringGuilin University of TechnologyGuilin 541004China

The discovery of new perovskite compounds under high pressure mainly focuses on the ABO_(3)compositions and the compositions highly deviated from ABO_(3)are less *** we demonstrate that the La_(6)Sr_(3)Si_(6)O_(24)silicate composition can be stabilized as a hexagonal perovskite-related structure with isolated tetrahedra anions under high pressure of 6 *** compound adopts 9-layer shifted hexagonal perovskite-like structure with both B-cation and oxygen deficiencies and contains pseudo-cubic(c)(La/Sr)O_(2)layers and hexagonal(h)(La/Sr)O_(3)layers stacked according to(c hh)_(3)*** structure features both B-cation vacancy ordering between the two consecutive hexagonal layers and oxygen vacancy ordering in c-(La/Sr)O_(2)layers,resulting in isolated tetrahedral Si O_(4)anions and ionic conduction *** work demonstrates the practicability of accessing new perovskite-related functional materials from the compositions highly deviated from ABO_(3)under high pressure.

关键词： High pressure Hexagonal perovskite Isolated tetrahedral anion Silicate Ionic conductors

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埋底界面增韧助力实现机械稳定和高效的宽带隙柔性钙钛矿太阳能电池（英文）

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Science China materials 2025年第5期68卷 1415-1423页

作者：曹建磊陈炜杰赵晨荔徐佳诚郑佳磊亢帅青朱娟章建东李耀文 Laboratory of Advanced Optoelectronic Materials Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and DevicesCollege of ChemistryChemical Engineering and Materials ScienceSoochow University State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials Jiangsu Key Laboratory of Advanced Functional Polymer Design and ApplicationCollege of ChemistryChemical Engineering and Materials ScienceSoochow University Jiangsu Key Laboratory of Advanced Negative Carbon Technologies Soochow University

柔性宽带隙钙钛矿太阳能电池具有构筑高效叠层太阳能电池的独特优势.具有低温加工和优异稳定性的氧化镍是制备柔性宽带隙钙钛矿太阳能电池的理想空穴传输层.然而,钙钛矿埋底界面存在大量缺陷以及氧化镍和钙钛矿界面结合力较弱,严重影响... 详细信息

柔性宽带隙钙钛矿太阳能电池具有构筑高效叠层太阳能电池的独特优势.具有低温加工和优异稳定性的氧化镍是制备柔性宽带隙钙钛矿太阳能电池的理想空穴传输层.然而,钙钛矿埋底界面存在大量缺陷以及氧化镍和钙钛矿界面结合力较弱,严重影响了柔性器件的效率和机械稳定性.我们通过引入多功能分子N-乙酰-L-谷氨酸(NALG)开发了一种埋底界面修饰策略来解决上述问题.理论计算和实验结果表明NALG分子的羧基和酰胺可以分别与氧化镍和钙钛矿结合,能够钝化界面缺陷以及增强钙钛矿的结晶.更重要的是, NALG作为桥连分子大幅增强氧化镍和钙钛矿的界面韧性.最终,柔性宽带隙钙钛矿太阳能电池实现了16.28%的能量转化效率.同时,柔性器件表现出优异的机械稳定性,循环弯曲10000次仍能保持初始效率的83%(弯曲半径为5 mm).器件也具有优越的长期运行稳定性和湿热稳定性.

关键词： wide-bandgap perovskite flexible perovskite solar cells buried interface defect passivation mechanical stability

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