Nature Synthesis
·
2026
·
IF 22.6
Li Fangbing,Long Yu,Wu Zhitan,Ye Ruiqing,Li Zhiguo,Zhang Boya,Yu Jinyang,Wang Feifei,Chen Zihui,Geng Chuannan,Chi Sijia,Wang Li,Lin Zifeng,Simon Patrice,Tao Ying,Yang Quan-Hong
Green, scalable and efficient synthesis methods are critical for advancing MXene research and practical applications. However, the production of delaminated MXenes still relies on complex multistep processes to achieve both selective etching and delamination. Here we propose a single-step strategy to directly transform MAX phases into delaminated MXenes using a deep eutectic solvent (DES) based on cobalt chloride/choline chloride (CoCl 2 ·6H 2 O/ChCl). This system combines a redox process between Lewis acidic salts and A-site elements with an expansion effect from organic ligand decomposition, enabling integrated etching, delamination and surface functionalization. The DES-derived MXenes exhibit unique surface chemistry with –Cl, –O and –NH y R 1− y terminations, delivering exceptional lithium-ion storage performance (451 mAh g −1 at 0.05 A g −1 ). Notably, this approach yields MXenes with positively charged surfaces, suppressing anionic polyiodide shuttling in zinc–iodine batteries. The resulting batteries retain 146 mAh g −1 capacity after over 60,000 cycles at 10 A g −1 . This work provides an environmentally friendly and scalable route to delaminated MXenes, integrating structural control with interfacial engineering, and expands their versatility in energy storage and beyond.
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高影响因子
Journal of Materials Chemistry C
·
2026
·
IF 5.1
Chengzheng Ye,Zhuo Wang,Guoshuai Ban,Xin Wang,Pengxiang Ning,Erli Zhang,Dihang Wu,Yuliang Song,Ruxin Liu,Peng Hu,Yang JIAO,Haibo Fan,Feng Teng,Xin Zhao,Jiaming Song
In recent years, transition metal phosphorus trichalcogenides have been successfully applied on multiple occasions in the field of photoelectrochemical (PEC) photodetection. In this work, high-quality SnPS₃ crystals were synthesized via the chemical vapor transport method and then exfoliated via liquid-phase exfoliation method for being utilized as active materials in the PEC-type photodetectors. The device exhibited excellent self-powered response and a broadband detection range from 400 nm to 900 nm in an acidic environment. Under simulated sunlight illumination, it achieved a photocurrent density of 31.2 μA cm⁻², responsivity of 195 μA W⁻¹, with the rise and fall times of 75 and 91 ms, respectively. The best photoelectric response performance appeared under 400 nm light excitation, with a photocurrent density and responsivity of 11.04 μA cm⁻² and 175.19 μA W⁻¹, respectively. Furthermore, after approximately 6200 s of long-term cycling test and 66 days of air stability test, the detector’s photocurrent density retention rates were of 89.23% and 81.05%, respectively. This work implies the significant potential of SnPS₃ for being hired in the field of self-powered broadband photodetection.
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高影响因子
GREEN CHEMISTRY
·
2026
·
IF 10.6
Wujiao Tan,Wenhao Yang,Dan You,Yiwei Yu,Ao Yan,Li Zhang,Xue Li,Ziyi Zhu,Yiyong Zhang
Aqueous zinc-ion batteries present several advantages, including high safety and low cost. However, severe dendrite growth and side reactions at the zinc anode significantly impede their cycle life and efficiency. This study proposes a zinc deposition regulation strategy based on a synergistic “chelation-relay” mechanism achieved by constructing a phthalocyanine functional layer on the surface of a cellulose separator. The phthalocyanine layer, which is rich in nitrogen coordination centers, effectively chelates Zn2+, reshaping the electrode/electrolyte interface structure and inhibiting side reactions. Its macrocyclic conjugated architecture functions as an “ion relay”, facilitating reversible storage and providing ordered migration channels for Zn2+, thereby alleviating concentration polarization and promoting uniform deposition. COMSOL simulation results demonstrate that this functional layer can homogenize the interfacial electric field and Zn2+ flux, thereby suppressing the “tip effect” associated with dendrite formation. Consequently, stable zinc deposition and stripping over 1000 cycles under conditions of 1 mA cm−2 and 1 mAh cm−2 yield an average coulombic efficiency of 99.1%. Furthermore, the Zn/I2 full cell exhibits a capacity retention rate of 98.83% after 10 000 cycles at a discharge rate of 1 A g−1. These findings underscore the potential of phthalocyanine to regulate zinc deposition, contributing to the development of high-performance aqueous zinc-ion batteries.
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Journal of Environmental Chemical Engineering
·
2026
·Vol. 14
·期 2
·122093
·
IF 7.5
Qian Wu,Guo Feng,Feng Jiang,Xiaojun Zhang,Yanqiao Xu,Jianmin Liu,Jian Liang
Magnesium aluminate (MgAl 2 O 4 ) spinel with dominant (400) plane exposure was synthesized by tailoring the precursor structure using a nonhydrolytic sol-gel method (NHSG). The effects of magnesium source and aluminum source on the preferential growth and morphology of MgAl 2 O 4 were systematically investigated. Rietveld refinement was used to analyze the structural variations of the prepared MgAl 2 O 4 . Furthermore, Density Functional Theory (DFT) calculation was performed to determine the adsorption energies of Congo red on the (311) plane and (400) plane. Results demonstrate that uniform MgAl 2 O 4 petals with a length of 240–280 nm were prepared using Mg and Al respectively as magnesium source and aluminum source, exhibiting a significantly enhanced I 400 /I 311 ratio of 2.459. This higher I 400 /I 311 ratio indicates a greater proportion of well-defined petals and corresponds to enhanced adsorption capacity. The MgAl 2 O 4 precursor, synthesized through polycondensation of MgAl 2 (OC 2 H 5 ) 8 prepared from metallic Mg and Al, exhibits an atomic arrangement analogous to the (400) plane of MgAl 2 O 4 spinel, facilitating its crystallization into (400)-dominant MgAl 2 O 4 petals. DFT calculations further reveal that the (400) plane of MgAl 2 O 4 exhibits a stronger adsorption energy to Congo red (CR) (-3.86 eV) than the (311) plane (-0.88 eV), consistent with the experimental results. This work provides a novel method for special crystal plane exposure.
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高影响因子
NEW JOURNAL OF CHEMISTRY
·
2026
·
IF 2.6
Chengzheng Ye,Jiaming Song,Xin Zhao,Zijuan Ma,Jialong Ma,Yawen Liu,Shanbo Cui,Zhuo Wang,Guoshuai Ban,Feng Teng,Peng Hu,Haibo Fan
Nb₂SiTe₄, a layered narrow-bandgap van der Waals semiconductor, has been attracting more and more attention due to its high carrier mobility and excellent optical absorption properties. In this study, we exploited this material in the photoelectrochemical type photodetector (PD) to investigate its potential for energy saving optoelectronics. A simple high-temperature solid-state reaction method was utilized for synthesizing high quality Nb₂SiTe₄ crystals, and liquid-phase exfoliation was employed to prepare the corresponding nanosheets for the device construction. The photoelectric performances of the Nb₂SiTe₄ nanosheet PDs were characterized in a three-electrode system and broad spectral responses ranging from 400 to 900 nm were detected. The effects of dispersants, electrolyte, as well as light power density on the device performance were systematically investigated. At 0 V bias voltage, an optimal performance of the PDs was obtained in acidic testing environment upon illumination of the 400 nm light, and the highest photocurrent density of 0.72 μA cm⁻² and responsivity of 7.71 µA W⁻¹ were achieved. Besides, the device demonstrated fine long-term cycling and air stabilities. This work implies the potential of Nb₂SiTe₄ for being applied in broadband photodetection of self-powering devices.
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高影响因子
JOURNAL OF MATERIALS SCIENCE
·
2026
·Vol. 61
·期 9
·6015-6024
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IF 3.9
Li Zhi-Yue,Li Long-Xiang,Xie Yi-Qin,Sun Hui,Lu Si-Rong,Bao Chun-Hao,Zhang Han,Chen Ting-Yong
Two-dimensional materials are attractive in electronics, energy and optics due to their fascinating physical properties. Appropriate fabrication methods and optimized process parameters are critical for improving crystal quality and achieving precise control over the structure and properties of these materials. Here, 2H-NbSe 2 single crystals were synthesized via a chemical vapor transport (CVT) process using iodine as the transport agent in a dual-zone tube furnace. The structural, chemical compositions, electrical, and magneto-transport properties of the synthesized crystals were comprehensively investigated. X-ray diffraction (XRD) and transmission electron microscopy (TEM) confirmed that the crystals were well-crystallized in a single-phase hexagonal lattice configuration, consistent with the typical van der Waals layered characteristics. The Raman spectra displayed characteristic peaks for NbSe 2 . The atomic ratio of Nb: Se in the crystals was approximately 1:2. The residual resistivity ratio ( RRR ) value (18), transition temperature ( T C ≈ 7 K) and transition width (Δ T ) of 0.26 K obtained from temperature-dependent resistance measurements indicate good crystal quality. Magneto-transport measurements revealed a distinct anisotropy between in-plane and out-of-plane magnetic field directions, resulting in typically different upper critical fields ( H c 2 ). This work presents a straightforward and effective iodine-assisted CVT method for growing high-quality NbSe₂ crystals, offering fundamental and technological significance for the growth and application of two-dimensional materials.
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高影响因子
JOURNAL OF MOLECULAR STRUCTURE
·
2022
·
IF 3.841
Jinkui Teng,Lulu Yue,Bilian Li,Jianmei Yang,Cuiting Yang,Tong Yang,Xiangye Zhi,Xiaoqing Liu,Yan Zhao,Jin Zhang
Nanocarrier systems including the lipid-based, silica nanoparticle (NP)-based, chitosan-based, cyclodextrin (CD)-based, and so forth were prepared based on the various stimulus containing redox, pH, temperature, enzymes, etc. The nanocarriers with dual stimuli-responsive properties can meet further practical and clinical applications due to their highly accurate and controllable response to the lesion site, good drug release effect, and weak side effects. Here, a temperature/enzyme-responsive nanocarrier was prepared based on seven-[6-(diaminodipropylamine)-6-deoxy] -β-CD (SA-β-CD) and lauroyl choline chloride (LCC). The SA-β-CD/LCC NPs showed trapping and releasing properties for the antitumor drug celastrol (CSL) in the synergy of the temperature/enzyme stimuli. Notably, the release rate of CSL-trapped NPs reached 94%, which is a relatively high value in numerous drug delivery systems using CSL as a drug model. Furthermore, cytotoxicity and apoptosis tests suggested that CSL-trapped NPs exhibited similar activity to intact CSL on five tumor cells. The dual response nanocarriers may pave a possible way for effectively targeted releasing anti-cancer drugs.
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Small
·
2023
·Vol. 19
·期 17
·2207312
·
IF 13.3
Jie Fu,Jun Liu,Lin Yuan,Qi Pan,Shuhua Chen,Yiqi Hu,Jinxing Chen,Wanli Ma,Qiao Zhang,Zeke Liu,Muhan Cao
All-inorganic lead halide perovskite nanocrystals (NCs) emerge as a rising star in photovoltaic fields on account of their excellent optoelectronic properties. However, it still remains challenging to further promote photovoltaic efficiency due to the susceptible surface and inevitable vacancies. Here, this work reports a 3D/2D core/shell perovskite heterojunction based on CsPbI 3 NCs and its performance in solar cells. The guanidinium (GA + ) rich 2D nanoshells can significantly passivate surface trap states and lower the capping ligand density, resulting in improved photoelectric properties and carrier transport and diminished nonradiative recombination centers via the hydrogen bonds from amino groups in GA + ions. Consequently, an outstanding power conversion efficiency (PCE) of up to 15.53% is realized, substantially higher than the control device (13.77%). This work highlights the importance of surface chemistry and offers a feasible avenue to achieve high-performance perovskite NCs-based optoelectronic devices.
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PubMed
高影响因子
ENERGY & FUELS
·
2023
·
IF 5.3
Meng Chen,Yingnan Duan,Fang chen,Wei Zheng,Wanliang Yang,Mengkui Tian
In this study, a series of Pd-supported black phosphorus–graphene (Pd/BP-G) catalysts are prepared to explore their electrocatalytic performances in the electrooxidation of ethanol in alkaline media. The characterization results show that BP is combined with activated graphene to form a P–C bond and a P–O–C bond heterojunction. Pd nanoparticles equally anchor on the BP-G hybrid, and Pd/BP-G exhibited enhanced electrocatalytic activity for the ethanol oxidation reaction in alkaline media. The electrochemically active surface area and mass activity for the Pd/BP-G catalyst reached 210.4 m2·gPd–1 and 3960.0 mA·mgPd–1, which are 9.54 and 5.86 times higher than those of commercial Pd/C, respectively. Further studies show that Pd/BP-G catalysts have reliable stabilities and faster reaction kinetics. These results indicate that the prepared Pd/BP-G catalysts have great application potentials in direct ethanol fuel cells.
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高影响因子
FOOD RESEARCH INTERNATIONAL
·
2023
·
IF 8.1
Wenjiang Dong,Qidi Hong,Jinhuan Cheng,Hongyan He,Yanan Li,Rongsuo Hu,Yuzhou Long
Green coffee oil (GCO) extracted from green coffee beans, is known for its antioxidant and anticancer properties, and has been increasingly utilised in cosmetic and other consumer products. However, lipid oxidation of GCO fatty acid components during storage may be harmful to human health, and there remains a need to understand the evolution of GCO chemical component oxidation. In this study, proton nuclear magnetic resonance ( 1 H and 13 C NMR) spectroscopy was used to investigate the oxidation status of solvent-extracted and cold-pressed GCO under accelerated storage conditions. Results show that the signal intensity of oxidation products gradually increased with increasing oxidation time, while unsaturated fatty acid signals gradually weakened. Five different types of GCO extracts were clustered according to their properties, except for minor overlapping in the two-dimensional plane of the principal component analysis. Partial least squares-least analysis results demonstrate that oxidation products ( δ = 7.8–10.3 ppm), unsaturated fatty acids ( δ = 5.28–5.42 ppm), and linoleic acid ( δ = 2.70–2.85 ppm) in 1 H NMR can be used as characteristic indicators of GCO oxidation levels. Furthermore, the kinetics curves of unsaturated fatty acids, linoleic, and linolenic acyl groups all fit an exponential equation with high coefficients of GCO for 36 days under accelerated storage conditions. Our results show that the current NMR system is a fast, easy-operated and convenient tool for the oxidation process monitoring and quality control of GCO.
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PubMed
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2022
·
IF 16.744
Mingran Zhou,Wenda Dong,Ao Xu,Zhiwen Yin,Zhi-Yi Hu,Xinling Wang,Liang Wu,Lihua Chen,Yu Li,Bao-Lian Su
Lithium-selenium batteries (LSeBs) have attracted increasing attention due to their excellent electronic conductivity and high theoretical specific capacity. However, there are still difficult problems such as low utilization rate and fast capacity decay in the actual application process. Herein, a surface iodine modified three-dimensional (3D) nano hollow carbon fiber (I-NHCF) network is designed and synthesized as Se host (Se@I-NHCF) for highly stable LSeBs. The surface iodine species induce the formation of robust cathode electrolyte interface (CEI), thus preventing the transformation of amorphous selenium to low-activity crystalline selenium and enabling stable electrochemical performance. Moreover, the surface iodine species promote rapid charge transfer, enhancing the chemical reaction kinetics and improving the utilization of the active Se species. As a result, the Se@I-NHCF cathode exhibits superior specific capacity of 581.8 mAh g −1 with a high stability (0.0054% capacity decay per cycle) after 500 cycles at 1C, and an excellent rate performance of 567.6 mAh g −1 at 2C. This work addresses the problem of rapid capacity decay by the formation of uniform and robust CEI to conserve highly reactive amorphous Se species, improve Se utilization, and achieve ultra-stable Li-Se batteries with high energy and long cycle life.
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高影响因子
JOURNAL OF POLYMER RESEARCH
·
2022
·Vol. 29
·期 12
·1-11
·
IF 3.061
Yang Xiao,Duan Lian,Ran Xiaoqi,Ran Boli,Yi Shixiong
Conjugated microporous polymers (CMPs) have attracted great interest due to their high surface area, porosity and conjugacy, which could be potentially applied in pollutant adsorption, heterogeneous photocatalysis and super capacitor. Iodine 129 ( 129 I) and iodine 131 ( 131 I), as the common volatile radioactive products in nuke waste, have a long radioactive half-life, which is an important issue all the time. Here, two novel conjugated microporous polymers (TPAsTr-CMP and TPAPyD-CMP), which are rich in N element, were synthesized via Suzuki reaction and characterized through FTIR, 13 C NMR, SEM, TGA and etc. The surface areas calculated by BET are 449.1 m 2 /g for TPAsTr-CMP and 15.6 m 2 /g for TPAPyD-CMP, respectively. The iodine adsorption experiments at 350 K exhibited that the iodine uptake of TPAsTr-CMP was up to 3.52 g/g; while TPAPyD-CMP had the iodine uptake of 2.84 g/g. For dissolved iodine in cyclohexane, the TPAPyD-CMP performed a better adsorption capacity than TPAsTr-CMP. The adsorption capacity of TPAPyD-CMP was 333.8 mg/g, when initial iodine concentration was 500 mg/L, while that of TPAsTr-CMP was only 104.3 mg/g. The adsorption capacity to iodine should be attributed to their high surface area, effective adsorptive sites and expanded π-conjugated network.
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高影响因子
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