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Journal of Rare Earths 2025年第2期43卷 270-275页

作者： huanyin Yu Xiaoping yang Xiaoli Lv Xianfeng huang college of chemistry and Materials Engineering Wenzhou UniversityZhejiang Key Laboratory of Carbon MaterialsKey Lab of Biohealth Materials and Chemistry of Wenzhou

A 12-metal Zn（Ⅱ）-Nd（Ⅲ） cluster 1（sizes:1.8 nm×2.0 nm×2.0 nm） was synthesized from a long-chain type Schiff base *** displays ratiometric fluorescence response to neopterin（Neo） with high selectivity and sensitivity,which can be expressed by the equation I545nm/I1060nm=A·[Neo]2+B·[Neo]+c.1 is used to quantitatively test Neo concentrations in fetal calf serum（FcS） and urine,and the recovery ranges are 98.57%-103.82% and 99.25%-103.50%,respectively,while the relative standard deviations（RSDs） are 7.89%-9.46% and 1.85%-4.16%,*** limits of detection of 1 to Neo in FcS and urine are 0.034 and 0.021 μmol/L,respectively.

关键词： Neopterin NIR luminescence Rare earths Ratiometric fluorescence detection Zn(II)-Nd(III) nanocluster

Multi boron-doping effects in hard carbon toward enhanced sodium ion storage

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Journal of Energy chemistry 2025年第1期100卷 730-738页

作者： Peng Zheng Wang Zhou Ying Mo Biao Zheng Miaomiao han Qin Zhong Wenwen yang Peng Gao Lezhi yang Jilei Liu college of Materials Science and Engineering Hunan Joint International Laboratory of Advanced Materials and Technology for Clean EnergyHunan Province Key Laboratory for Advanced Carbon Materials and Applied TechnologyHunan UniversityChangsha 410082HunanChina Greater Bay Area Institute for Innovation Hunan UniversityGuangzhou 511300GuangdongChina changsha Research Institute of Mining&Metallurgy co. LTD.Changsha 410017HunanChina

hard carbon (hc) has been considered as promising anode material for sodium-ion batteries (SIBs).The optimization of hard carbon’s microstructure and solid electrolyte interface (SEI) property are demonstrated effective in enhancing the Na+storage capability,however,a one-step regulation strategy to achieve simultaneous multi-scale structures optimization is highly ***,we have systematically investigated the effects of boron doping on hard carbon’s microstructure and interface chemistry.A variety of structure characterizations show that appropriate amount of boron doping can increase the size of closed pores via rearrangement of carbon layers with improved graphitization degree,which provides more Na+storage ***-situ Fourier transform infrared spectroscopy/electrochemical impedance spectroscopy (FTIR/EIS) and X-ray photoelectron spectroscopy (XPS) analysis demonstrate the presence of more Bc3and less B–c–O structures that result in enhanced ion diffusion kinetics and the formation of inorganic rich and robust SEI,which leads to facilitated charge transfer and excellent rate *** a result,the hard carbon anode with optimized boron doping content exhibits enhanced rate and cycling *** general,this work unravels the critical role of boron doping in optimizing the pore structure,interface chemistry and diffusion kinetics of hard carbon,which enables rational design of sodium-ion battery anode with enhanced Na+storage performance.

关键词： hard carbon Sodium-ion batteries Boron doping Pore structure Electrode/electrolyte interphases

Advances in flexible weak-light detectors based on perovskites:preparation,optimization,and application

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Journal of Semiconductors 2025年第1期46卷 144-164页

作者： Yaqian yang Ying Li Di chen Guozhen Shen School of Integrated circuits and Electronics Beijing Institute of TechnologyBeijing 100081China

Photodetectors with weak-light detection capabilities play an indispensable role in various crucial fields such as health monitors,imaging,optical communication,and ***,the detection of weak light signals is often severely interfered by multiple factors such as background light,dark noise and circuit noise,making it difficult to accurately capture *** traditional technologies like silicon photomultiplier tubes excel in sensitivity,their high cost and inherent fragility restrict their widespread *** this background,perovskite materials have rapidly emerged as a research focus in the field of photodetection due to their simple preparation processes and exceptional optoelectronic *** only are the preparation processes of perovskite materials straightforward and cost-effective,but more importantly,they can be flexibly integrated into flexible and stretchable *** characteristic significantly compensates for the shortcomings of traditional rigid electronic devices in specific application scenarios,opening up entirely new possibilities for photodetection ***,recent advances in perovskite light detection technology are ***,the chemical and physical properties of perovskite materials are discussed,highlighting their remarkable advantages in weak-light ***,the review systematically organizes various preparation techniques of perovskite materials and analyses their advantages in different application ***,from the two core dimensions of performance improvement and light absorption enhancement,the key strategies of improving the performance of perovskite weak-light photodetectors are ***,the review concludes with a brief summary and a discussion on the potential challenges that may arise in the further development of perovskite devices.

关键词： perovskite weak-light photodetector flexible

characterization and acid leaching of rare earth elements in coal gangue using pretreatment of selective grinding,tailings discarding and alkali roasting

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Journal of Rare Earths 2025年第2期43卷 384-396页

作者： Xiaorui Wang Wei cheng Ruidong yang Jingkun Zang college of Resources and Environmental Engineering Guizhou University college of Mining Guizhou University National & Local Joint Laboratory of Engineering for Effective Utilization of Regional Mineral Resources from Karst Areas Guizhou Key Laboratory of comprehensive Utilization of Non-metallic Mineral Resources

co-associated rare earth elements（lanthanide and yttrium,REY） in coal and its by-products have been considered important potential nontraditional rare earth *** this study,a coal gangue sample collected from a coal processing plant in Jinsha county of Guizhou Province,southwest china,was used as the research *** content,modes of occurrence,and extraction（acid leaching after pretreatment of selective grinding,tailings discarding,and alkali roasting） of REY from the sample were *** result shows that the content of REY（1038.26 μg/g） in pyrite and quartz is low but mainly enriched in *** the following conditions of a filling ratio of 40%（grinding media steel ball） and grinding time of 8 min,selective grinding pretreatment is applied to achieve 176.95 μg/g（yield 24.08%）and 1104.93 μg/g（yield 75.92%） of REY in +2 mm and -2 mm fractions,***,the -2 mm coal gangue fraction is selected,used as the feed,and roasted and leached with *** Na2cO3and Nacl are separately used as roasting activators,the REY leaching ratios are 91.41% and 68.88%,respectively,under the optimum *** contents of REY in the final leachate are 1010.02 and761.08 μg/g when Na2cO3and Nacl are used,*** two REY contents are relatively higher than the impurity ions in the leachate,which facilitates further REY *** mechanism study reveals that high-temperature roasting increases the pore size and the total pore area of the gangue,which promotes leachate penetration and improves reaction *** addition,roasting facilitates the reaction between the sodium salt activator and kaolinite and other aluminosilicate minerals in the coal gangue to generate soluble salts,thus releasing REY into the *** appropriate roasting temperature transforms the activator into a molten ***,the reaction between coal gangue and activator is a solid-liquid reaction rather than a solid-solid reaction,which improves the efficiency

关键词： Alkali roasting coal gangue Leaching Rare earth elements Selective grinding Tailings discarding

Increased contribution of microbial necromass to soil organic carbon in solar farms on the Tibetan Plateau

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Journal of Mountain Science 2025年第1期22卷 184-197页

作者： ZhANG Xiyu ZhOU Jun chEN yang FAN Jianrong Institute of Mountain hazards and Environment Chinese Academy of SciencesChengdu 610299China

Solar farms have been rapidly expanding on the Qinghai-Tibetan ***,the effects of photovoltaic arrays on the contribution of microbial necromass carbon(MNc)to soil organic carbon(SOc),along with the underlying mechanisms,remain *** address this,we collected soil samples from the top 20 cm in under-panel,inter-panel and control plots at five solar farms constructed between 2012 and 2014 in the dry Yarlung Tsangpo and Lhasa River valleys on the Qinghai-Tibetan *** determined SOc,fungal and bacterial necromass and relevant soil *** found that the concentration of MNc in the under-panel plots(3.93±0.79 mg g-1)was significantly higher compared to the control plots(2.28±0.79 mg g-1)across all five solar *** proportion of MNc to SOc in the under-panel plots(34.7±2.4%)was also significantly higher than that in the control plots(27.5±1.4%).Specifically,the contribution of fungal necromass to SOc in the under-panel plots(26.4±2.2%)was significantly larger than that in the control plots(19.7±1.6%),while the increase in the bacterial necromass proportion was *** least squares structural equation modeling(PLS-SEM)indicated a significant and positive effect of increased soil moisture in the under-panel plots on the proportion of fungal necromass to *** results highlight that beyond their economic benefits,solar farms in the arid regions on the Qinghai-Tibetan Plateau can enhance soil c sequestration by improving soil moisture and promoting microbial necromass accumulation.

关键词： Photovoltaic power station Fungal necromass Bacterial necromass Microbial residues Yarlung Tsangpo Arid river valley

Tuning up of chromism,luminescence in cadmium-viologen complexes through polymorphism strategy:Inkless erasable printing application

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chinese chemical Letters 2025年第1期36卷 322-325页

作者： Yanting yang Guorong Wang Kangjing Li Wen yang Jing Zhang Jian Zhang Shili Li Xianming Zhang Key Laboratory of Magnetic Molecules&Magnetic Information Materials of Ministry of Education School of Chemistry and Materials ScienceShanxi Normal UniversityTaiyuan 030032China School of chemistry Taiyuan University of TechnologyTaiyuan 030024China

In our work,polymorphism strategy has been successfully applied to tune up chromism and luminescence properties of viologen-based *** polymorphs of viologen-based complexes ofα-cdBr_(2)(PhSQ)_(2)(h_(2)O)_(2)(1)andβ-cdBr_(2)(PhSQ)_(2)(h_(2)O)_(2)(2)(PhSQ=N-(4-sulfophenyl)-4,4-bipyridinium)were synthesized by changing the *** can both respond to UV light and electricity in the manner of chromism visible to the naked eye and the coloration states have good reversibility,through which an inkless erasable printing model has been *** the coloration contrast of 1 is higher compared to ***,they both exhibit photoluminescence properties and the intensity of 1 is twice that of 2,which is accompanied by photoquenching upon continuous UV light *** only divergence of disordered/ordered O atoms in the two crystalline compounds leads to significantly different chromic and luminescent *** explorations simultaneously demonstrate that the different chromic performance between 1 and 2 should attribute to the alteration of stimulus-induced(light/electricity)electron transfer channels caused by the ordered/disordered O atoms in the complexes,which is achieved through c-h···O and O-h···O interactions to change crystal arrangement and structural rigidity,thus affect luminescent properties.

关键词： Polymorphs Photochromism Electrochromism Photoluminescence

Modeling Bivariate Distribution of Wind Speed and Wind Shear for height-Dependent Offshore Wind Energy Assessment

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Journal of Ocean University of china 2025年第1期24卷 40-62页

作者： yang Zihao DONG Sheng college of Engineering Ocean University of ChinaQingdao 266404China

A joint statistical model of wind speed and wind shear is critical for height-dependent wind resource characteristic ***,given the different atmospheric conditions that may be involved,the statistical distribution of the two variables may show multimodal *** this work,a finite mixture bivariate statistical model was designed to describe the statistical properties,which is composed of several components,each with a Weibull distribution and a normal distribution for wind speed and wind shear,respectively,with a Gaussian copula to describe the dependency structure between the two *** confirm the developed model,reanalysis data from six positions in the coastal sea areas of china were *** results disclosed that the developed joint statistical model can accurately capture the different multimodal structures presented in all the bivariate samples under mixed atmospheric conditions,giving acceptable predictions of the joint probability *** consideration of wind shear coefficient variation is crucial in estimating height-dependent wind resource ***,unlike traditional methods that are limited to specific hub heights,the model developed here can estimate wind energy potential across different hub heights,enhancing the economic viability assessment of wind power projects.

关键词： wind shear coefficient wind speed mixed atmospheric conditions mixture bivariate statistical model height-dependent wind resource characteristics

A PhYB-PIF4-auxin module promotes tomato graft formation in response to elevated ambient temperature

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horticultural Plant Journal 2025年第1期11卷 227-238页

作者： Xianmin Meng Feng Zhang Wencai yang Qingmao Shang State Key Laboratory of Vegetable Biobreeding Key Laboratory of Horticultural Crop Biology and Germplasm Innovation(Ministry of Agriculture)Institute of Vegetables and FlowersChinese Academy of Agriculture SciencesBeijing 100081China Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable crops Department of Vegetable ScienceCollege of HorticultureChina Agricultural UniversityBeijing 100193China

Grafting is an effective technique for increasing the resistance of vegetables to biotic and abiotic *** has been widely applied to produce solanaceous and melon *** is an important external factor affecting graft ***,the molecular mechanism by which external ambient temperature affects tomato graft formation remains *** this study,we demonstrated that elevating ambient temperature during grafting to 35℃ for more than 24 h after grafting accelerated vascular *** generated self-or heterografted combinations between phyB1B2 and pif4 loss-of-function mutant and wild-type plants,and were mutants unresponsive to graft formation at elevated ambient *** addition,elevated ambient temperature induced SlPIF4 expression during ***4 directly binds the promoters of auxin biosynthesis genes SlYUccAs and activates their *** investigation revealed auxin accumulation in the graft junction under elevated ambient *** results illuminate the mechanism by which the PhYB-PIF4-auxin module promotes tomato graft formation in response to elevated ambient temperature.

关键词： Graft formation Tomato Temperature Vascular Auxin

Role of the Greenland Sea ice anomaly in the late-spring drought over Northwest china

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Atmospheric and Oceanic Science Letters 2025年第1期18卷 1-5页

作者： yang Liu huopo chen Nansen-Zhu International Research centre Institute of Atmospheric Physics Chinese Academy of SciencesBeijingChina collaborative Innovation center on Forecast and Evaluation of Meteorological Disasters Nanjing University for Information Science and TechnologyNanjingChina

Drought across Northwest china in late spring has exerted a vital effect on the local climate and agricultural production,and has been alleviated during the past *** study explored the influence of the preceding Arctic sea ice on the May drought in Northwest china caused by the precipitation *** analysis indicated that when the Greenland Sea ice concentration is abnormally high during February to April,the dry conditions in Northwest china tend to be *** increase of sea ice in the Greenland Sea can excite a meridional circulation,which causes sea surface temperature(SST)anomalies in the North Atlantic via the sea-air interaction,manifested as significant warm SST anomalies over the south of Greenland and the subtropical North Atlantic,but negative SST anomalies over the west of the *** abnormal SST pattern maintains to May and triggers a zonal wave train from the North Atlantic through Scandinavia and central Asia to Northwest china,leading to abnormal cyclones in Northwest ***,Northwest china experiences a more humid climate than usual.

关键词： Arctic sea ice Greenland Sea North Atlantic SST Drought Northwest china

Emission characteristics and probabilistic health risk of volatile organic compounds from leather sofa

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Journal of Environmental Sciences 2025年第2期148卷 79-87页

作者： chuanhui Mu Yuling Tang Zhaohui yang Jianfei Zhou Bi Shi National Engineering Laboratory for clean Technology of Leather Manufacture Sichuan UniversityChengdu 610065China Research Institute of Leather and Footwear Industry of Wenzhou Wenzhou 325088China Key Laboratory of Leather chemistry and Engineering of Ministry of Education Sichuan UniversityChengdu 610065China

Furniture is identified as a vital volatile organic compound(VOc)emission source in the indoor *** has become the most common raw and auxiliary fabric material for upholstered furniture,particularly with extensive consumption in sofas,due to its abundant resources and efficient *** being widely traded across the world,little research has been conducted on the VOcs released by leathermaterials and their health risk assessment in the indoor ***,this study investigated the VOc emissions of leather with different grades and the health risk of the inhalation *** on the ultra-fast gas phase electronic nose(EN)and Gc-FID/Qtof,the substantial emissions of aliphatic aldehyde ketones(Aks),particularly hexanal,appear to be the cause of off-flavor in medium and low grade(MG and LG)sofa *** health risk assessment indicated that leather materials barely pose non-carcinogenic and carcinogenic effects to *** the abundance of VOc sources and the accumulation of health risks in the indoor environment,more stringent specifications concerning qualitative and quantitative content should be extended to provide VOc treatment basic for the manufacturing industry and obtain better indoor air quality.

关键词： Indoor environment Leather Volatile organic compounds(VOcs) health risk assessment