A5002614185- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Radioactive element chemistry and processing
- Metal-Organic Frameworks: Synthesis and Applications
- Chemical Synthesis and Characterization
- Nuclear materials and radiation effects
- Covalent Organic Framework Applications
- Lanthanide and Transition Metal Complexes
- Crystal Structures and Properties
- Nuclear Materials and Properties
- Crystallography and molecular interactions
- Perovskite Materials and Applications
- Luminescence Properties of Advanced Materials
- Radiation Detection and Scintillator Technologies
- Advanced Photocatalysis Techniques
- Organometallic Complex Synthesis and Catalysis
- Polyoxometalates: Synthesis and Applications
- Luminescence and Fluorescent Materials
- Geochemistry and Elemental Analysis
- Advanced Condensed Matter Physics
- Inorganic Chemistry and Materials
- Extraction and Separation Processes
- Solid-state spectroscopy and crystallography
- Molecular Sensors and Ion Detection
- 2D Materials and Applications
Soochow University
2016-2025
Soochow University
2020-2024
Chinese Academy of Sciences
2024
Xiangtan University
2024
University of Science and Technology of China
2024
Ningbo Institute of Industrial Technology
2024
Advanced Energy Materials (United States)
2024
Materials Science & Engineering
2024
Guangzhou University
2021-2022
Suzhou Research Institute
2017-2021
Effective and selective removal of 99TcO4– from aqueous solution is highly desirable for both waste partitioning contamination remediation purposes in the modern nuclear fuel cycle, but significant challenge. We report here a hydrolytically stable radiation-resistant cationic metal–organic framework (MOF), SCU-101, exhibiting extremely fast kinetics, exceptional distribution coefficient, high sorption capacity toward TcO4–. More importantly, this material can selectively remove TcO4–...
Searching for new chemically durable and radiation-resistant absorbent materials actinides their fission products generated in the nuclear fuel cycle remain highly desirable, both waste management contamination remediation. Here we present a rare case of 3D uranyl organic framework material built through polycatenating three sets graphene-like layers, which exhibits significant umbellate distortions equatorial planes studied thoroughly by linear transit calculations. This unique structural...
Metal-organic frameworks (MOFs) based on zirconium phosphonates exhibit superior chemical stability suitable for applications under harsh conditions. These compounds mostly exist as poorly crystallized precipitates, and precise structural information has therefore remained elusive. Furthermore, a zero-dimensional phosphonate cluster acting secondary building unit been lacking, leading to poor designability in this system. Herein, we overcome these challenges obtain single crystals of three...
The design and synthesis of uranium sorbent materials with high uptake efficiency, capacity selectivity, as well excellent hydrolytic stability radiation resistance remains a challenge. Herein, polyoxometalate (POM)-organic framework material (SCU-19) rare inclined polycatenation structure was designed, synthesized through solvothermal method, tested for separation. Under dark conditions, SCU-19 can efficiently capture ligand complexation using its exposed oxo atoms partial chemical...
Uranium is not only a strategic resource for the nuclear industry but also global contaminant with high toxicity. Although several strategies have been established detecting uranyl ions in water, searching new uranium sensor material great sensitivity, selectivity, and stability remains challenge. We introduce here hydrolytically stable mesoporous terbium(III)-based MOF compound 1, whose channels are as large 27 Å × 23 equipped abundant exposed Lewis basic sites, luminescence intensity of...
99Tc is one of the most problematic radioisotopes in used nuclear fuel owing to its combined features high fission yield, long half-life, and environmental mobility. There are only a handful functional materials that can remove TcO4- anion from aqueous solution identifying for new, stable with anion-exchange capacities, fast kinetics, good selectivity remains challenge. We report here an 8-fold interpenetrated three-dimensional cationic metal-organic framework material, SCU-100, which...
Many environmental pollutants inherently exist in their anionic forms and are therefore highly mobile natural water systems. Cationic framework materials that can capture those desirable but scarcely reported. Here we present a mesoporous cationic thorium-based MOF (SCU-8) containing channels with large inner diameter of 2.2 nm possessing high surface area 1360 m2 g-1. The anion-exchange properties SCU-8 were explored many anions including small oxo like ReO4- Cr2O72- as well organic dyes...
Abstract Direct removal of 99 TcO 4 − from the highly acidic solution used nuclear fuel is beneficial for recovery uranium and plutonium more importantly aids in elimination Tc discharge into environment. However, this task represents a huge challenge given combined extreme conditions super acidity, high ionic strength, strong radiation field. Here we overcome using cationic polymeric network with significant uptake capabilities four aspects: fastest sorption kinetics, highest capacity, most...
Enrichment of uranyl from seawater is crucial for the sustainable development nuclear energy, but current uranium extraction technology suffers multiple drawbacks low sorption efficiency, slow uptake kinetics, or poor selectivity. Herein, we prepared first example amidoxime appended metal–organic framework UiO-66-AO by a postsynthetic modification method rapid and efficient seawater. can remove 94.8% ion Bohai within 120 min 99% containing extra 500 ppb 10 min. The capacity in real sample...
In this work, we reported a phenanthroline-based tetradentate ligand with hard–soft donors combined in the same molecule, N,N′-diethyl-N,N′-ditolyl-2,9-diamide-1,10-phenanthroline (Et-Tol-DAPhen), for group separation of actinides over lanthanides. The synthesis and solvent extraction as well complexation behaviors lanthanides are studied experimentally theoretically. exhibits excellent ability high selectivity toward hexavalent, tetravalent, trivalent highly acidic solution. chemical...
Anti-counterfeiting techniques have become a global topic since they is correlated to the information and data safety, in which multimodal luminescence one of most desirable candidates for practical applications. However, it long-standing challenge actualize robust with high thermal stability humid resistance. Conventionally, usually achieved by combination upconversion downshifting luminescence, only responds electromagnetic waves limited range. Herein, Yb3+ /Er3+ /Bi3+ co-doped Cs2 Ag0.6...
Effective detection of chromate anions in aqueous solution is highly desirable because their high solubility, environmental mobility, carcinogenicity, and bioaccumulation effect. A new strategy for precise the presence a large excess other anions, such as Cl–, NO3–, HCO3–, drinking water natural systems remains challenge. Herein, hydrolytically stable cationic luminescent europium(III)-based metal organic framework (MOF), 1, was successfully synthesized investigated sensor that exhibits...
Precise detection of low-dose X- and γ-radiations remains a challenge is particularly important for studying biological effects under ionizing radiation, safety control in medical radiation treatment, survey environmental background, monitoring cosmic radiations. We report here photoluminescent uranium organic framework, whose photoluminescence intensity can be accurately correlated with the exposure dose or γ-radiations. This allows precise instant radiations down to level 10-4 Gy,...
The combination of high atomic number and oxidation state in UVI materials gives rise to both X-ray attenuation efficiency intense green luminescence originating from ligand-to-metal charge transfer. These two features suggest that might act as superior scintillators, but this postulate has remained substantially untested. Now the first observation scintillation a uranyl-organic framework (SCU-9) is observable by naked eye reported. Combining advantage minimizing non-radiative relaxation...
99 Tc contamination at legacy nuclear sites is a serious and unsolved environmental issue. The selective remediation of TcO4- in the presence large excess NO3- SO42- from natural waste systems represents significant scientific technical challenge, since anions with higher charge density are often preferentially sorbed by traditional anion-exchange materials. We present solution to this challenge based on stable cationic metal-organic framework, SCU-102 (Ni2 (tipm)3 (NO3 )4 ), which exhibits...
99Tc is one of the most problematic fission products in nuclear fuel cycle owing to its large inventory used fuel, long half-life, potential radiation hazard, high environmental mobility major species 99TcO4-, and redox-active nature. Ideally, 99TcO4- should be removed at first stage, when rods are dissolved highly concentrated nitric acid solution, which can substantially reduce interference with solvent extraction process through catalytic redox reactions key actinides diminish chance...
Although comprehensive progress has been made in the area of coordination polymer (CP)/metal–organic framework (MOF)-based proton-conducting materials over past decade, searching for a CP/MOF with stable, intrinsic, high anhydrous proton conductivity that can be directly used as practical electrolyte an intermediate-temperature proton-exchange membrane fuel cell assembly durable power generation remains substantial challenge. Here, we introduce new CP, (NH4)3[Zr(H2/3PO4)3] (ZrP), which...
We report one of the most efficient scavenger materials, a cationic crystalline coordination polymer SBN for trapping ReO4–, surrogate 99TcO4–, as an anionic radioactive contaminant great concern. The uptake capacity ReO4– reaches 786 mg/g, value noticeably higher than state art anion-exchange resins and other inorganic or hybrid anion sorbents. Once being captured, is greatly immobilized, almost no can be eluted using large excess nitrate, carbonate, phosphate anions. processes are featured...
Significance Here we present a striking outcome from the alliance between chemistry and mathematics in design, synthesis, characterization of silver cage, Ag 180 . In principle, design replaces each carbon atom C 60 with triplet argentophilicity-bonded atoms to produce 3.4.6.4 (1,1) polyhedron sixty 3-gons, ninety 4-gons, twelve 5-gons, twenty 6-gons. Results mass spectroscopy suggest an assembly mechanism solution based on such triplets––the Silver-Trigon Assembly Road (STAR). Indeed, STAR...
Removal of 99TcO4- from legacy defense nuclear tank waste at Savannah River Site is highly desirable for the purpose safety and environmental protection, but currently not achievable given extreme conditions including high alkalinity, ionic strength, strong radiation field. Herein, we present a potential solution to this long-term issue by developing two-dimensional cationic metal organic framework SCU-103, showing ultrahigh stability in alkaline aqueous media great resistance both β γ...
Abstract Due to the intriguing anisotropic optical and electrical properties, low‐symmetry 2D materials are attracting a lot of interest both for fundamental studies fabricating novel electronic optoelectronic devices. Identifying new promising will be rewarding toward evolution nanoelectronics nano‐optoelectronics. In this work, germanium diarsenide (GeAs 2 ), group IV–V semiconductor with puckered structure, is introduced as favorable highly material into rapidly growing family. The...