ANALYTICA CHIMICA ACTA
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2025
·
IF 6
Linna Han,Zixu Wang,Wanfang Feng,Qing Xia,Yucun Niu,Liyan Liu
Background The enrichment of sugar phosphates (SPx) from complex biological samples was of significant importance for elucidating their roles in physiological and pathological processes. However, the detection of SPx faced numerous challenges due to the high structural similarity among its isomers, its extremely low abundance within cells, the complexity of biological samples, and the inefficiency and cumbersome nature of traditional enrichment methods. Therefore, there was an urgent need to develop an efficient enrichment technique, leveraging the advantages of magnetic separation to achieve precise detection of sugar phosphates in biological samples. Results A novel magnetic material, Fe 3 O 4 @UiO-66-Br, was synthesized for efficient and convenient enrichment of SPx in biological samples. The material exhibited a high specific surface area (225.08 m 2 /g) and strong magnetism (33.61 emu·g −1 ). Only 600 μg of Fe 3 O 4 @UiO-66-Br was required to completely adsorb five types of SPx within 4 min. The adsorption process was pH-tolerant and can be accomplished simply by standing. Kinetic, thermodynamic, and isotherm studies revealed favorable adsorption properties, characterized as spontaneous and endothermic monolayer chemisorption. Mechanistic studies using XPS, FT-IR, and DFT identified multiple interactions, including coordination, hydrogen bonding, and electrostatic interactions. The analytical protocol featured a wide linear range (0.01–10000 ng/mL), low detection limits (0.002–0.01 ng/mL), high precision (RSD<13.21 %), and accuracy (80.05 %–116.41 %). Significance The protocol was successfully applied to real blood samples, demonstrating the potential of magnetic MOFs for SPx adsorption and detection. This novel material and protocol provided an efficient approach for enriching and detecting trace SPx in complex biological matrices, facilitating further studies on their roles in physiological and pathological processes.
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DOI
PubMed
高影响因子
Journal of Environmental Sciences
·
2025
·
IF 6.3
Canyan Yang,Wei Liu,Zhao Zuo,Jinhua Xiao,Huawang Zhao,Bihong Lv,Zuoming Zhou,Xiaomin Wu,Guohua Jing
Carbon-carbon (C-C) coupling, the rate-determining step in electrocatalytic CO 2 reduction reaction (CO 2 RR) to C 2+ products, has low efficiency and poor stability. It originates from an ineffective water dissociation capability and a high energy barrier for the C-C coupling pathway on existing catalysts. Herein, an efficient and facile Br-CuO electrocatalyst was synthesized to promote water dissociation and achieve an impressive Faradic Efficiency (FE) of around 60% C 2 H 4 at a current density of up to -350 mA/cm 2 with stability of 16 h. Combinative theoretical and experimental protocols strongly evidence that the architecture of Cu 0 -Cu + sites is crucial for the enhancement in CO 2 RR activity. Cu 0 activates CO 2 and Cu + strengthens *CO adsorption to further boost C-C coupling. Furthermore, Br doping can facilitate the dissociation of water to generate *H, which promotes the protonation of *CO to *CHO, thereby enabling the low energy barrier asymmetric *CHO-*CO coupling. The in situ ATR-FTIR and Density functional theory (DFT) was analyzed to explain the reaction mechanism and pathway. This study elucidates the critical function of water dissociation and provides a promising avenue to efficient CO 2 -to-C 2 H 4 electrocatalysis.
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Inorganic Chemistry Frontiers
·
2024
·
IF 6.1
Feng Xu,Xiang Xu,Bingxuan Li,Ge Zhang,Chan Zheng,Jindong Chen,Ning Ye
Long-wave infrared (IR) nonlinear optical (NLO) crystals hold great promise for extensive applications. However, IR NLO crystals with outstanding comprehensive optical and NLO performances are still in great demand. Herein, two Hg-based chalcogenides, Hg3AsS4Cl and Hg3AsS4Br, are synthesized via a chemical vapor transport technique. Attributed to the synergistic combination of [HgS3] groups and structurally aligned [AsS3] groups with lone pair electrons, the two compounds exhibit superior NLO performance, encompassing strong second-harmonic generation (SHG) effects, tremendous birefringence, and a broad transparency range, positioning them as promising long-wave IR NLO materials. Moreover, the luminescent performances of the two compounds are also investigated, revealing interesting ultraviolet (UV) region luminescence emissions, broad emission bands, and large Stokes shifts for potential luminescent applications.
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International Journal of Electrochemical Science
·
2023
·
IF 1.5
Wenjuan Zhang,Lei Shi,Dongfang Niu,Heng Xu,Xinsheng Zhang,Shuozhen Hu
The effect of methoxypolyethylene glycol (mPEG) on chromium electrodeposition from a mixture of 1- butyl-3-methylimidazolium-bromide ([BMIM]Br) ionic liquid and water is studied. The addition of mPEG does not affect the two-step reduction process of Cr(III). With the presence of mPEG in the electrolyte, the diffusion coefficient decreases dramatically, and the resistance of the electrolyte and charge transfer increase, resulting in a reduced deposition rate and a smooth and crack-free coating surface. The hydrogen evolution reaction is suppressed, and more metallic Cr is deposited in the coating layer. Considering both the surface morphology and corrosion resistance, 80 mmol L -1 mPEG is the optimum concentration for smooth and pinhole-free chromium electrodeposition in the mixture of [BMIM]Br ionic liquid and water.
研究领域:
电化学
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材料科学
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表面工程
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高影响因子
ACS Sustainable Chemistry & Engineering
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2022
·
IF 9.224
Yimin Hu,Jing Sun,Zixian Cai,Meiling Lei,Yu Chen,Shaoan Lei,Huijiao Cao,Xia Guo
The formation of long cylindrical wormlike micelles at low temperatures (near 0 °C) is relatively rare. In this work, the effect of different salts on the viscoelasticity of the formed wormlike micelles by the ionic liquid surfactant (1-octadecyl-3-nonyl imidazolium bromide, [C18imC9]Br) and glycerol/1,2-propanediol mixture at low temperature was studied. The rheological measurements revealed that only sodium salicylate (NaSal) can increase the viscoelasticity of [C18imC9]Br wormlike micelles by up to 15 times and the existence of temperature range. When the [C18imC9]Br concentration is fixed, the viscoelasticity of the [C18imC9]Br/NaSal wormlike micelles increases and then decreases with the increase of NaSal concentration. Tribological results show that the [C18imC9]Br/NaSal wormlike micelles have excellent friction reduction and antiwear properties for steel/steel contact at 6.00 °C. The friction coefficient and wear volume of [C18imC9]Br/NaSal wormlike micelles first decrease and then increase with the increase of the NaSal concentration. In addition, their tribological properties are significantly better than those of pure [C18imC9]Br wormlike micelles under the same conditions. The lubrication effect of [C18imC9]Br/NaSal wormlike micelles at low temperatures is improved due to the adhesion of [C18imC9]Br/NaSal wormlike micelles and the protective film formed by the tribochemical reaction.
研究领域:
材料科学
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化学工程
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摩擦学
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INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
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2019
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IF 3.375
Hao Zhang,Hanxiao Zheng,Ying Wang,Runhua Yan,Dingyuan Luo,Wei Jiang
Petal bismuth salt semiconductors are promising as visible-light-driven photocatalysts, but their short service times due to strong oxidation limit their application. In this research, the in situ construction of a p–n heterojunction, by growing BiOX on a KBiO3 surface, is used as a strategy to improve the performance and stability. Evaluation of the photocatalytic degradation of crystal violet and phenol shows that the KBiO3/BiOX (X = Cl, Br, I) heterostructures exhibit significant improvement in photocatalytic performance and stability compared to KBiO3. The best one, KBiO3/(5.85%) BiOI, shows 98% degradation of crystal violet within 20 min, and of phenol within 1.5 h. No significant performance decay can be detected after repeated use. The development of KBiO3/BiOX heterostructure improves the applicability of KBiO3 as an efficient visible-light-driven photocatalyst.
研究领域:
材料科学
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环境科学
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DOI
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JOURNAL OF ALLOYS AND COMPOUNDS
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2022
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IF 6.371
Yanmei Zhou,Shaoru Wu,Guobin Huang,Jingbin Zeng,Benjamin Edem Meteku,Xiaohong Tan,Heng Lu,Feiming Li,Zhixiong Cai,Xudong Wang,Maosheng Zhang
Intrinsic and surface defects are the crucial factors that affect the stability and luminescence efficiency of nanocrystals (NCs). Ion-doping and surface passivation are considered as the most effective strategies to suppress the intrinsic and surface defects of NCs, respectively. Herein, an efficient and facile double passivation process, simultaneously realizes ion-doping and surface passivation, for Cs 3 Cu 2 X 5 (X Cl, Br and I) NCs is developed by using potassium oleate (K-OA) as passivator. K ion is used as ion-doping passivation and OA ion is used as the organic ligand for surface passivation of NCs. Compared to the free passivated NCs, the Photoluminescence quantum yield (PLQYs) of dual-passivated Cs 3 Cu 2 X 5 (X Cl, Br and I) NCs increase significantly from 2.87%, 11.6% and 49.4–31%, 69.9%, and 97.2%, respectively. Moreover, the stability of proposed NCs is greatly improved (Cs 3 Cu 2 Cl 5 NCs maintain 63% of PL efficiency after 100 h, Cs 3 Cu 2 Br 5 and Cs 3 Cu 2 I 5 NCs maintain 65% and 97% of PL efficiency after 100 days, respectively) at 50–86% relative humidity and room temperature under ambient atmosphere.
研究领域:
材料科学
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光学
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MOLECULES
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2026
·Vol. 31
·期 6
·1006
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IF 5.1
Yiting He,Xiayu Zhu,Ajun Li,Shuyuan Lin,Bo Li,Songbin Liu,Xinyu Ye
CsPbBr3perovskite quantum dots (QDs) have attracted significant attention for optoelectronic applications owing to their outstanding optical properties, yet achieving controlled synthesis with high stability under mild conditions remains a challenge. The room-temperature synthesis of CsPbBr3perovskite quantum dots using a coprecipitation method is systematically investigated in this work, with an emphasis on how the structural and optical properties of the QDs are influenced by the Br/Pb ratio and OA/OAm ratio. The findings show that controlling the Br/Pb and OA/OAm ratios can effectively influence the size, crystalline phase, and surface passivation properties of CsPbBr3quantum dots. The photoluminescence peak shifts blue and the bandgap widens when the Br/Pb ratio rises due to a decrease in quantum dot size. This is mainly explained by more effective surface covering by Br−ions and increased quantum confinement effects. The resultant quantum dots demonstrate ideal optical performance at a Br/Pb ratio of 75 and an OA/OAm ratio of 1.5, with dense ligand coverage, superior defect passivation, and markedly improved stability under UV irradiation and in aqueous environments. Variations in the Br/Pb and OA/OAm ratios affect the binding configuration and coverage of ligands on the quantum dot surface, thereby influencing the relationship between non-radiative recombination and the quantum confinement effect. The LED fabricated with the as-synthesized high-performance quantum dots demonstrates a wide color gamut, covering 129.45% of the NTSC standard, indicating strong potential for display applications.
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CHEMICAL ENGINEERING JOURNAL
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2026
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IF 12.5
Huanfeng He,Xin Li,Muhammad Fahim,Sai Liu,Irum Firdous,Tsz Chung Ho,Chi Yan Tso
Systematic Br/Cl doping in 2D perovskite TMPI establishes a detailed composition-property database. • Optimal Cl doping (I: Cl = 4:1) enhances solar modulation ability ( Δτsol ) to 27.7%. • Br doping effectively reduces the transition temperature of 2D perovskite to near 40 °C for practical use. • First-principles calculations reveal that water adsorption energy governs transition properties. Buildings account for a large portion of global energy consumption, driving the need for smart windows that can dynamically regulate solar heat. Two-dimensional (2D) thermochromic perovskites offer promising stability, but their practical application is limited by high transition temperatures and modest solar modulation ability. Here, we employ halide engineering via systematic Br/Cl doping in the 2D perovskite Tha 2 MAPbI 4 (TMPI) to optimize these key properties. A systematic Br/Cl doping was conducted in TMPI and established a detailed composition-property database. It is found that optimal Cl doping (I: Cl = 4:1) enhances the solar modulation ability ( Δτ sol ) to 27.7%, while Br doping effectively lowers the transition temperature to near 40 °C. Most importantly, a High-Resolution Transmission Electron Microscope (HRTEM) was employed to characterize the crystallization of 2D perovskites with different halogen dopants, providing the first atomic-scale observation of lattice fringes and SAED patterns in thermochromic metal halide perovskites and revealing the doping-dependent crystallinity evolution. Moreover, first-principles calculations reveal that enhanced water adsorption energy on doped perovskite surfaces governs the reduced transition temperature and faster response kinetics. A real-world model house demonstration confirms the superior cooling performance of the optimized smart window. This work provides not only high-performance material candidates but also a fundamental mechanistic framework for developing energy-efficient, responsive smart windows.
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Journal of Physical Chemistry C
·
2023
·
IF 3.7
Xiu-Ni Hua,Zhuoer Cai,Xian Shi,Yuna Duan,Xiang Zhang,Jian Chen,Hai-Bao Duan
Significant attention has been dovoted to the organic–inorganic hybrid perovskites in the realm of scientific research arising from their distinctive optical and dielectric properties along with structural tunability, rendering them highly versatile and adaptable materials. Herein, two novel one-dimensional organic–inorganic hybrid perovskites of (4-MPD)MnX3 (4-MPD = 4-methylpiperidinium, X = Cl (1), X = Br (2)) were synthesized and demonstrated to, respectively, undergo reversible phase transitions at 376 and 368 K, characterized by differential scanning calorimetry and dielectric measurements. It is instresting to note that the replacement of Br by the Cl halogen atom has maintained the crsytal structures but devoted a slight increase in phase transition temperature. Variable-temperature structural analyses signify that the order–disorder change of 4-MPD cations acts as the driving force for such phase transitions from the Pnma to P1̅ space group. In addition, compounds 1 and 2 both emit strong red photoluminescence under UV excitation. The two compounds with high-temperature dielectric switching and photoluminescent properties will offer fresh insights for the design and investigation of novel multifunctional organic–inorganic hybrid perovskites.
研究领域:
材料科学
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无机化学
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光电子学
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介电材料
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钙钛矿研究
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DOI
高影响因子
Carbon Energy
·
2026
·
IF 21.4
Pubao Peng,Yang Geng,Jiajun Nan,Song Li,Dewei Zhang,Qing Lin,Yaru Gong,Guodong Tang
Polycrystalline SnSe has attracted significant attention due to its facile processing, machinability, and scale-up application. However, n-type polycrystalline SnSe consistently exhibits inferior thermoelectric performance compared to p-type polycrystalline, because SnSe is an intrinsic p-type semiconductor. Here, we promoted the thermoelectric performance of n-type polycrystalline SnSe through manipulating the band structure and dislocations. The band convergence and enhanced density of states in the electronic structure of SnSe promoted by Pb/Ge/Br codoping, lead to significant enhanced Seebeck coefficient. The carrier concentration was simultaneously enhanced through Ge/Pb/Br codoping. The combination of a large Seebeck coefficient and the enhanced electrical conductivity gives rise to a high power factor as high as 7.47 μW cm −1 K −2 at 873 K. Furthermore, we found that dopants induce strong atomic strain disturbance in the SnSe matrix because of large differences in atom radius with host elements, leading to the formation of high-density dislocations. The presence of dislocations and nanoprecipitates forms strong phonon scattering centers, effectively scattering phonons and suppressing lattice thermal conductivity. As a result, a high peak ZT of 1.6 has been obtained in n-type Sn 1.04 Ge 0.02 Pb 0.02 Se 0.97 Br 0.03 .
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JOURNAL OF LUMINESCENCE
·
2019
·
IF 2.961
Yanchun Yang,Song Wei,Xiaojiao Kang,O. Tegus,Daocheng Pan
Employing the short-chain C 4 H 9 NH 3 X (X = Cl, Br, I) compound as the unique capping agent, highly quality CH 3 NH 3 PbX 3 (X = Cl, Br, I) perovskite quantum dots can be synthesized at room temperature in the open air, which possess high photoluminescence quantum yields and tunable emission in the range of 440–660 nm. Besides, C 4 H 9 NH 3 Br can also improve the morphology of CH 3 NH 3 PbBr 3 thin films by spin-coating the N, N -dimerthylformamide solution of CH 3 NH 3 Br, C 4 H 9 NH 3 Br and PbBr 2 , making the thin film dense and compact, and improving its optical properties .
研究领域:
材料科学
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纳米科技
·
光电功能材料
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半导体物理
·
凝聚态物理
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DOI
高影响因子
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