- Crystal Structures and Properties
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Solid-state spectroscopy and crystallography
- Physics of Superconductivity and Magnetism
- Chalcogenide Semiconductor Thin Films
- Advanced Condensed Matter Physics
- Iron-based superconductors research
- Nonlinear Optical Materials Research
- Inorganic Chemistry and Materials
- Quantum and electron transport phenomena
- High-pressure geophysics and materials
- Magnetic and transport properties of perovskites and related materials
- Advanced Thermoelectric Materials and Devices
- Perovskite Materials and Applications
- Theoretical and Computational Physics
- Magnetism in coordination complexes
- Advanced Chemical Physics Studies
- Organic and Molecular Conductors Research
- Solid State Laser Technologies
- Advanced Photocatalysis Techniques
- Photorefractive and Nonlinear Optics
- Electrocatalysts for Energy Conversion
- Rare-earth and actinide compounds
- 2D Materials and Applications
Fujian Institute of Research on the Structure of Matter
2016-2025
Chinese Academy of Sciences
2016-2025
Guilin University of Technology
2018-2025
Tan Kah Kee Innovation Laboratory
2020-2025
State Key Laboratory of Structural Chemistry
2021-2025
Southwest University
2022-2024
University of Chinese Academy of Sciences
2012-2024
First People's Hospital of Nanning
2024
Xishuangbanna Tropical Botanical Garden
2018-2024
Capital Medical University
2022-2023
An unusual zero-dimensional quaternary sulfide, Ba(23)Ga(8)Sb(2)S(38), that crystallizes in the noncentrosymmetric polar space group Cmc2(1) was discovered by solid-state reaction of an elemental mixture. The involvement a second building unit consisting SbS(3) pyramid and constituting 20% structure helped to realize disconnection asymmetric GaS(4) tetrahedra. Such leads strongest powder harmonic generation intensity IR region among sulfides date, ~22 times commercial AgGaS(2) at incident...
Abstract Thermoelectric (TE) materials convert heat energy directly into electricity, and introducing new with high conversion efficiency is a great challenge because of the rare combination interdependent electrical thermal transport properties required to be present in single material. The TE defined by figure merit ZT =( S 2 σ ) T / κ , where Seebeck coefficient, conductivity, total absolute temperature. A p‐type thermoelectric material, CsAg 5 Te 3 presented that exhibits ultralow...
Cobalt single atoms anchored on porphyrinic triazine frameworks exhibit high activity in ORR and HER.
Simultaneous regulation and control of non-linear second-harmonic-generation (SHG) coefficients (deff) linear birefringence (Δn) non-centrosymmetric (NCS) crystals is a crucial aspect improving the optical (NLO) performance, yet it remains huge challenge in modern laser techniques science. Herein, series melilite-type oxide-derived NCS oxychalcogenides, Sr2MGe2OS6 (M = Mn, Zn, Cd), are successfully designed synthesized through facile partial isovalent chemical substitution strategy. These...
Inorganic chalcogenides have been studied as the most promising infrared (IR) nonlinear optical (NLO) candidates for past decades. However, it is proven difficult to discover high-performance materials that combine often-incompatible properties of large energy gap (Eg ) and strong second harmonic generation (SHG) response (deff ), especially rare-earth chalcogenides. Herein, centrosymmetric Cs3 [Sb3 O6 ][Ge2 O7 ] selected a maternal structure new noncentrosymmetric oxychalcogenide, namely,...
With the continuous development of laser technology and increasing demand for lasers different frequencies in infrared (IR) spectrum, research on nonlinear optical (NLO) crystals has garnered growing attention. Currently, three main commercially available types borate materials each have their drawbacks, which limit applications various areas. Rare-earth (RE)-based chalcogenide compounds, characterized by unique f-electron configuration, strong positive charges, high coordination numbers RE...
Seven nonlinear optical (NLO) active selenides in the middle IR region, AX(II)4X(III)5Se12 (A = K(+)-Cs(+); X(II) Mn(2+), Cd(2+); X(III) Ga(3+), In(3+)) adopting KCd4Ga5S12-type structure, have been synthesized by high-temperature solid-state reaction of an elemental mixture with ACl flux. Their three-dimensional network structures are stacked M9Se24-layers vertex sharing MSe4 tetrahedra, which each center is jointly occupied and atoms. Studies suggest that such tetrahedral building units...
Noncentrosymmetric quaternary sulfides, ACd4Ga5S12 (A = K, Rb, Cs) have been synthesized by a modified reactive flux method with high yields. Single-crystal X-ray diffraction analyses revealed they adopted known KCd4Ga5S12-structure type in the trigonal space group R3 (No. 146) cell parameters of 13.7905(5)–13.8639(5) Å, c 9.3304(6)–9.3974(6) Å and Z 3. Each asymmetric MS4 tetrahedral building unit (centered disordered Cd Ga) is aligned same direction along axis connected via vertexes...
A porous rhenium-modified covalent triazine framework shows high efficiency in photocatalytic CO<sub>2</sub> reduction to CO a solid/gas interface.
Infrared nonlinear optical (IR-NLO) crystals possessing excellent comprehensive performance are highly desirable, yet their preparation remains extremely challenging. Particularly, inorganic chalcogenides with diamond-like (DL) structures provide a tunable material platform for structural design and functional control. In this work, strategy involving the construction of DL using strong polarizability metal cations has been put forward; thus, quaternary Hg-containing sulfide HgCuPS4...
Infrared nonlinear optical (IR-NLO) materials are the key components in solid-state lasers for military and civilian applications. The development of IR-NLO remains urgent because existing commercial AgGaS2 (AGS), AgGaSe2, ZnGeP2 limited their own intrinsic shortcomings, example, lower laser damage thresholds (LDTs), non-phase-matchable feature, strong two-photon absorption, respectively, exhibited AgGaSe2 at a conventional 1 μm. Chalcogenides, halides, iodates known to be common sources...
Searching for the coexistence of a wide energy gap (Eg > 3.5 eV) and large second-harmonic generation efficiency (dij 0.6 × AgGaS2) noncentrosymmetric (NCS) materials in IR nonlinear optical (NLO) field is highly desirable but still remains huge challenge because incompatibility between them. To address this issue, new salt-inclusion chalcogenide, namely, [Ba4Cl2][ZnGa4S10], has been designed successfully synthesized by chemical multisubstitution approach with chalcopyrite-type AgGaS2 (AGS)...
Nonlinear optical (NLO) materials have received unprecedented attention owing to their capability of frequency conversion in the photoelectric fields. Yet, how acquire a crystal with noncentrosymmetric (NCS) structure is still grand challenge for NLO material. Herein, new quaternary NCS oxychalcogenide, SrGeOSe2, was successfully designed and synthesized using known centrosymmetric SrGeO3 as maternal through generic partial isovalent anion substitution (PIAS) strategy. SrGeOSe2 belongs space...
A novel niobium oxyiodate sulfate, Nb2 O3 (IO3 )2 (SO4 ), was fabricated by a rational multi-component design under moderate hydrothermal conditions. This is inspired an interesting oxysulfate reaction, which opens new door for synthetic method to effectively introduce refractory metals such as Nb into crystal structures synthesis. ) features cube-like topological structure with large phase-matching second harmonic generation (SHG) response (6×KDP), wide transparency window (0.38-8 μm), and...
ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTInfrared SHG Materials CsM3Se6 (M = Ga/Sn, In/Sn): Phase Matchability Controlled by Dipole Moment of the Asymmetric Building UnitHua Lin‡, Ling Chen*†, Ju-Song Yu‡, Hong Chen‡, and Li-Ming Wu*†View Author Information† Beijing Key Laboratory Energy Conversion Storage Materials, College Chemistry, Theoretical Computational Photochemistry, Ministry Education, Normal University, 100875, People's Republic China‡ Optoelectronic Chemistry Physics,...
New insight for design of NLO materials: a quaternary acentric semiconductor, La<sub>2</sub>CuSbS<sub>5</sub>, obtained by stereochemically active lone pair induction (SALPI) strategy, with inspiration from the known centric La<sub>2</sub>CuInS<sub>5</sub>.
This Frontiers article discusses the recent progress and challenges of non-centrosymmetric oxychalcogenides in IR nonlinear optical field.
Non-centrosymmetric (NCS) Bi-based oxides with giant second-harmonic generation (SHG) responses have been widely studied as UV–visible nonlinear optical (NLO) materials over the past few decades. However, high-performance NLO chalcogenides in infrared (IR) region rarely reported. Herein, a novel NCS thiophosphate RbBiP2S6 (P21) has successfully designed by aliovalent substitution of centrosymmetric Rb4P2S6 (P21/c). Notably, this compound affords record-high SHG intensity (11.9 × AgGaS2 @...
The acquisition of a non-centrosymmetric (NCS) structure and achieving nice trade-off between large energy gap (Eg > 3.5 eV) strong second-harmonic generation (SHG) response (deff 1.0 × benchmark AgGaS2) are two formidable challenges in the design development infrared nonlinear optical (IR-NLO) candidates. In this work, new quaternary NCS sulfide, SrCdSiS4, has been rationally designed using centrosymmetric SrGa2S4 as template via dual-site aliovalent substitution strategy. SrCdSiS4...