Small
·
2025
·
IF 12.1
Qingmeng Guo,Fengting Li,Chongxi Zhang,Zhikun Wang,Zixi Kang,Lili Fan,Daofeng Sun
The strategic construction of heterostructures centered around Fe 2 P is proven to be effective for improving its performance in the oxygen reduction reaction (ORR) and zinc–air batteries (ZABs). In this study, SbZn is strategically employed to construct a novel Fe 2 P/SbZn heterostructure on N,P-doped carbon scaffolds, serving as an efficient electrocatalyst for the ORR in ZABs. Through a one-step pyrolysis of a Fe, Sb, P-incorporated zeolitic imidazolate framework, the Fe 2 P/SbZn@PNC catalyst is successfully synthesized. This catalyst demonstrates high ORR activity in alkaline media, achieving a half-wave potential of 0.936 V and a limiting current density of 6.18 mA cm −2 , both significantly surpassing those of commercial 20 wt% Pt/C. When applied in zinc–air batteries, the Fe 2 P/SbZn@PNC-based ZABs deliver a higher peak power density and superior long-term cycling stability compared to the Pt/C benchmark. Density functional theory (DFT) calculations reveal that the Fe 2 P/SbZn interface drives charge redistribution, optimizing the adsorption/desorption of oxygen intermediates and reducing the rate-determining energy barrier in ORR, thus enhancing catalytic activity. This innovative heterostructure provides new avenues for designing efficient electrocatalysts for energy conversion and storage.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Materials
·
2025
·Vol. 18
·期 17
·4165
·
IF 3.2
Heng Zhang,Yiping Yang,Shengchao Yang,Yuchang Qin,Xuan Lv,Lin Cui,Wei Jia,Zhiyong Liu
The impact of encapsulating gemcitabine (GEM) into nanoparticles on its delivery remains underexplored, with the potential benefits of targeted drug delivery and stimuli-responsive release yet to be fully clarified. Herein, we designed a near-infrared (NIR) light-responsive polymeric nanoparticle, ZnPc@P(PEG-CMA-TKGEM), which integrates reactive oxygen species (ROS) generation and cell imaging capabilities. The self-assembled polymeric micelles exhibit a hydrodynamic size of ~134 nm. Under NIR irradiation, the cumulative drug release rate reaches 51% within 48 h, which is three times higher than that of the non-irradiated control group. In cytotoxicity assays, the cell viability of the NIR-irradiated drug-loaded group is approximately 17%, while that of the NIR-irradiated blank group (without drug loading) remains above 80%. These results confirm that the nanocarriers successfully deliver GEM to target cells and achieve controlled drug release via NIR stimulation.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2025
·
IF 5.4
Xinyu Chen,Yingrui Nie,Wenqian Fan,Zhimin Zhao,Zhifei Wang,Yong Jiang
In this study, yolk-shell magnetic hydrogel microspheres loaded with silver nanoparticles (Fe 3 O 4 @P(DVB-co-MAA)@Ag) were innovatively constructed for efficient catalytic reduction of nitroaromatic compounds. First, hollow P(DVB-co-MAA) microspheres were prepared as shell. Fe 3 O 4 magnetic nanoparticles were successfully deposited into the microspheres as yolk through the decomposition of metal-organic precursor salts in high-temperature organic solvents. The EM images shows that Fe 3 O 4 @P(DVB-co-MAA) microspheres consist of a magnetic core, an intermediate void layer, and a hydrophilic hydrogel shell, demonstrating a unique multilayered structural feature. Then, highly active silver nanoparticles were uniformly loaded onto the hydrogel shell surface using the thermal co-reduction method. Catalytic results demonstrated that the yolk-shell material showed significantly enhanced activity toward the reduction of 4-nitrophenol (4-NP) and 2-nitroaniline (2-NA), compared to the core-shell structured composite microspheres. The catalytic parameters were 65.44 s⁻¹ g⁻¹ and 46.44 s⁻¹ g⁻¹ , respectively. Remarkably, the composite retained over 85 % catalytic efficiency after five cycles of use and achieved rapid magnetic separation within 20 s under an external magnetic field.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
·
2020
·
IF 6.155
Jiajia Ye,Xuting Li,Guang Xia,Guanghao Gong,Zhiqiang Zheng,Chuanzhong Chen,Cheng Hu
We report for the first time a Na-ion battery anode material composed of P-doped CoSe 2 nanoparticles (P-CoSe 2 ) with the size of 5–20 nm that are uniformly embed in a 3D porous honeycomb-like carbon network. High rate capability and cycling stability are achieved simultaneously. The honeycomb-like carbon network is rationally designed to support high electrical conductivity, rapid Na-ion diffusion as well as the accommodation of the volume expansion from the active P-CoSe 2 nanoparticles. In particular, heteroatom P-doping within CoSe 2 introduces stronger P-Co bonds and additional P-Se bonds that significantly improve the structure stability of P-CoSe 2 for highly stable sodiation/desodiation over long-term cycling. P-doping also improves the electrical conductivity of the CoSe 2 nanoparticles, leading to highly elevated electrochemical kinetics to deliver high specific capacities at high current densities. Benefiting from the unique nanostructure and atomic-level P-doping, the P-CoSe 2 (2:1)/C anode delivers an excellent cycle stability with a specific capacity of 206.9 mA h g −1 achieved at 2000 mA g −1 after 1000 cycles. In addition, this material can be synthesized using a facile pyrolysis and selenization/phosphorization approach. This study provides new opportunities of heteroatom doping as an effective method to improve the cycling stability of Na-ion anode materials.
✓ 已验证
DOI
高影响因子
Advanced Electronic Materials
·
2023
·Vol. 9
·期 4
·2201084
·
IF 6.2
Chuanyang Cai,Hong Zhang,Bo Li,Zhijia Han,Fang Wang,Pengfei Hou,Weishu Liu
Organic pyroelectric materials are widely applied as temperature sensors in wearable electronic devices due to their good biocompatibility and stability. Real-time monitoring of the physiological state of the human body requires pyroelectric materials with a fast response time and large output voltage. In this study, the pyroelectric characteristics of poly(vinylidene fluoride–trifluoroethylene) (P(VDF–TrFE)) films are improved with the use of commercial inorganic P-type bismuth antimonide (P-Bi 2 Te 3 ) fillers. Composite films with 0.2 wt% P-Bi 2 Te 3 increase the pyroelectric response time and voltage by improving the thermal diffusivity and enhancing the β-phase content, respectively. Proton irradiation results in further improvement of the pyroelectric response time from 22 to 0.5 s. The proton irradiation-induced ionization energy loss improves the conductivity of the composite films, thereby enhancing the pyroelectric response time. These results show that P-Bi 2 Te 3 doping is beneficial for improving the pyroelectric properties of P(VDF–TrFE) and that proton irradiation is an effective method for further improving the response time of inorganic–organic composite films.
✓ 已验证
DOI
高影响因子
JOURNAL OF MEMBRANE SCIENCE
·
2015
·
IF 5.056
Yue Cui,Zhi-Kan Yao,Ke Zheng,Shi-Yuan Du,Bao-Ku Zhu,Li-Ping Zhu,Chun-Hui Du
To explore low-pressure-driven nanofiltration (LPDNF) membranes with high permeate flux , a novel preparation route was proposed and investigated. First, an amphiphilic copolymer of poly (methyl methacrylate- co -dimethylaminoethyl methacrylate) (P(MMA- co -DMA)) was synthesized via free-radical copolymerization , and then blended with polyvinyl chloride (PVC) to fabricate precursor membranes via non-solvent induced phase separation (NIPS) process. Utilizing the quaternization and cross-linking reaction between p -xylylene dichloride (XDC) and tertiary amine units in PVC/PMMA- co -DMA precursor membranes, positively charged PVC/PMMA- co -DMA LPDNF membranes were obtained. Element alanalysis, X-ray photoelectron spectroscopy and scanning electron microscopy were employed to characterize the composition and morphology of the membranes. Effects of PMMA- co -DMA content and XDC concentration on the LPDNF membranes’ performance were studied and discussed. With the optimized condition, the NF membrane showed the highest salt rejection ( R ) and water flux ( J ), e.g., R MgCl 2 =89.1%, J MgCl 2 =22.1 L/(m 2 h) and R NaCl =45.1%, J NaCl =27.6 L/(m 2 h) at a pressure of 0.3 MPa. Besides, the rejections of the LPDNF membranes for inorganic salts increased in an order of Na 2 SO 4
✓ 已验证
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2023
·
IF 15.1
Yaxin Ru,Yajie Chen,Xinyan Yu,Qiuyu Zhang,Yuejia Yin,Guohui Tian
Hollow heterostructured catalysts have been widely investigated and applied in photocatalytic organic reactions. However, achieving hybrid catalysts with optimized hollow structure and controllable components is still a challenge. Herein, Cu-BTC@CuS@CeO 2 ternary heterostructure hollow octahedrons were designed and prepared using a copper-based metal–organic framework (Cu-BTC) as both copper source and template. A thin CeO 2 nanolayer was first formed and covered on the prepared Cu-BTC octahedron surface through a hydrothermal process. In the meanwhile, the Cu-BTC octahedrons were controllably etched in this hydrothermal process, leading to the formation of Cu-BTC@CeO 2 hollow octahedron. The following sulfidation reaction produced Cu-BTC@CuS@CeO 2 double p-n heterojunction hollow octahedrons. Benefiting from the novel hollow octahedron double p-n heterojunctions, excellent visible-near infrared light absorption, and fast charge transfer and separation, the obtained Cu-BTC@CuS@CeO 2 hollow octahedron hybrid catalyst exhibited a significantly higher photocatalytic activity toward the oxidative coupling of amines to imines at room temperature under visible-near infrared light irradiation compared to the control single component catalysts (Cu-BTC, CeO 2 , and CuS) and binary hybrid catalysts (Cu-BTC@CeO 2 , Cu-BTC@CuS, and CuS@CeO 2 ). The enhanced charge transfer at the double p-n heterojunction was discussed. Meanwhile, the photocatalytic oxidation products and reaction mechanism were investigated by surface-enhanced Raman spectroscopy, gas chromatography-mass spectrometry, and pyridine adsorption FT-IR spectroscopy. This work presents a promising strategy for the design of multi-component hollow heterostructure catalysts.
✓ 已验证
DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2026
·
IF 9.6
Linlin Wang,Yafei Guo,Wenhui Zhao,Pengfei Wang,Zonglin Liu,Ting-Feng Yi
A unique 3D hierarchical network consisting of 0D carbon dodecahedra and 1D carbon nanotubes is successfully constructed via in-situ growth. • Phosphorus doping serves as a versatile modulator to induce 1D morphology formation and optimize the electronic density of iron active centers. • The optimized N, P co-doped Fe-N-C catalyst exhibits an outstanding half-wave potential of 0.884 V in alkaline media. • The assembled zinc-air battery achieves a remarkable operational lifespan exceeding 1300 h with superior structural integrity. Developing highly efficient and durable non-precious metal electrocatalysts for oxygen reduction reaction (ORR) remains a critical challenge for the practical application of zinc-air batteries (ZABs). Herein, we successfully synthesized a robust N, P-codoped Fe-N-C catalyst featuring a unique 0D/1D intertwined architecture through a phosphorus-induced heteroatom-modulation strategy. By utilizing FePc-encapsulated ZIF-8 as a precursor, the in-situ growth of 1D carbon nanotubes from 0D carbon dodecahedrons was achieved, constructing a 3D hierarchical conductive network. Experimental and mechanistic analyses reveal that P-doping serves as the key morphology director. It not only induces the formation of structural-stable 1D nanotubes to enhance electron transfer but also modulates the electronic density of Fe centers to elevate electro-oxidation resistance. Consequently, the optimized catalyst exhibits a superior half-wave potential (E 1/2 ) of 0.884 V (vs. RHE) in alkaline media. Remarkably, the as-assembled ZAB achieves an exceptional stability of over 1300 h, demonstrating the superior structural integrity and durability of the 0D/1D network. This research offers a strategic design for engineering high-performance and stable Fe-N-C catalysts through synergistic 0D/1D architecture construction. Phosphorus-induced modulation facilitates the in-situ growth of 1D nanotubes from 0D dodecahedrons, constructing an integrated 0D/1D hierarchical Fe-N-C structure. This structural engineering optimizes the electronic environment of Fe sites for enhanced ORR kinetics (E 1/2 = 0.884 V) and endows practical zinc-air batteries with an outstanding stability exceeding 1300 h. Download: Download high-res image (283KB) Download: Download full-size image
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF POWER SOURCES
·
2026
·
IF 8.4
Wenzheng Zhu,Yangyang Wang,Aiyun Hu,Guanyu Wang,Chuanxiang Chen,Hongxun Yang,Yingying Chen
Sodium-ion batteries (SIBs) represent promising alternatives to lithium-ion batteries for grid-scale energy storage owing to abundant sodium reserves. Nevertheless, the large ionic radius of Na + results in sluggish ion diffusion and poor sodium compatibility with graphite, which hinders the development of high-performance SIB anode materials. In this work, N, P co-doped soft-hard carbon nanofiber (PLCFP) are fabricated through electrospinning and subsequent pyrolysis. After systematic carbonization temperature optimization, PLCFP-700 treated at 700 °C delivers a reversible capacity of 339.5 mAh g −1 after 100 cycles at 25 mA g −1 and 224.3 mAh g −1 over 1000 cycles at 500 mA g −1 with outstanding cycling durability. The enhanced electrochemical performance originates from multiple synergistic advantages. N/P co-doping introduces structural defects and widens carbon interlayer spacing to 0.387 nm to facilitate Na + adsorption and intercalation. The one-dimensional nanofiber network accelerates electron transfer and shortens sodium ion diffusion paths. Additionally, the hybrid soft-hard carbon structure suppresses excessive graphitization of petroleum coke and optimizes carbon microcrystalline textures. This study offers a resource-efficient strategy to realize high-value utilization of petroleum coke industrial byproducts and lignin biomass waste, and provides a novel structural design concept for carbon-based anodes in high-performance SIBs.
✓ 已验证
产品关联
DOI
高影响因子
Tungsten
·
2026
·
IF 9
Zhang Yan,Qi Zhaoxiang,Fu Dewen,Wang Ying,Zhang Wenjun,Qi Ying,Mi Hongyu,Guo Changyan,Abulizi Xiaokaiti,Guan Qingqing,Yin Shu,Xie Yahong,Dai Bin
The oxygen evolution reaction (OER) remains a major bottleneck in water electrolysis due to its sluggish kinetics, which fundamentally limits the overall efficiency of hydrogen production. In contrast, the urea oxidation reaction (UOR) offers a promising alternative with significantly lower overpotential, thereby reducing energy consumption. However, the development of stable and multifunctional electrocatalysts for simultaneous efficient hydrogen production and wastewater treatment poses a considerable challenge. In this study, a hierarchical amorphous Co-MOF-modified P-SnCoFe-layered double hydroxides (LDHs) heterostructure (denoted as Co-MOF@P-SnCoFe-LDHs) electrocatalyst was developed through a “MOF interfacial anchoring-dual doping electronic reconstruction” strategy, which integrates ZIF-67 Co-MOF with P/Sn co-doped CoFe-LDHs. The optimized catalyst exhibits exceptional bifunctional activity, achieving outstanding UOR performance with potentials of 1.34 and 1.53 V (vs. RHE) to achieve current densities of 10 and 50 mA cm −2 , respectively. For the OER, it requires low overpotentials of 213 mV (1 mol L −1 KOH) and 237 mV (oilfield wastewater) at 10 mA cm −2 . Mechanistic studies reveal that the spatial confinement effect of amorphous Co-MOF enhances chloride corrosion resistance, leading to a 27% improvement in operational stability. Concurrently, π–d conjugation between the imidazole ligands and the Sn–P network facilitates charge transfer, reducing the charge-transfer resistance by 31% ( R ct = 1.98 Ω). Furthermore, the constructed multi-phase interfaces promote the generation of active intermediates at lower applied potentials (1.0–1.1 V vs. RHE). This work provides a rational catalyst design strategy for energy-efficient hydrogen production and wastewater treatment under harsh saline conditions. Graphical abstract Co-MOF@P-SnCoFe-LDH/NF was successfully prepared via a simple electrodeposition-immersion method. The π–d conjugation between imidazole ligands and the Sn-P network facilitates charge transfer, while the constructed heterogeneous interface promotes the generation of active intermediates at a low applied potential (1.0–1.1 V vs. RHE), enabling efficient hydrogen evolution and wastewater treatment under high-salt conditions.
✓ 已验证
产品关联
DOI
高影响因子
Journal of Environmental Chemical Engineering
·
2026
·Vol. 14
·期 2
·121778
·
IF 7.5
Jian-Bo Qu,Guo-Yu Yue,Jian-Ling Zhang,Yuan Yang,Dong Wang,Jia-Le An,Jing Li
The excellent catalytic performance of noble metal nanoparticles (NMNPs) is often hampered by their tendency to agglomerate and poor recyclability, which significantly limits their large-scale industrial use. To address these challenges, anchoring NMNPs onto porous supports has been proposed as an effective strategy, as it not only suppresses their migration and agglomeration but also enhances their catalytic stability and recyclability through strong metal–support interactions. In this study, novel poly (glycidyl methacrylate) @ZIF-8@Au (PGMA@ZIF-8@Au) composite microspheres were fabricated via three steps: gigaporous PGMA microspheres were first prepared via suspension polymerization, followed by the in-situ growth and subsequent etching of ZIF-8 on their surface, and finally, the confined loading of gold nanoparticles (AuNPs) with three different sizes. This designed structure effectively mitigates issues such as nanoparticle aggregation, detachment, and mass transfer limitations. The hierarchical pores of the PGMA microspheres provide a high specific surface area and abundant active sites, while the rich epoxy rings create an electron-rich environment that facilitates electron transfer to the AuNPs. Moreover, ZIF-8 improves the structural stability and biocompatibility of the composite microspheres and promotes the uniform dispersion of AuNPs. The resulting catalyst achieved 100 % degradation of p-nitrophenol (PNP) within 20 min and maintained a conversion of 84.8 % after ten consecutive cycles. Based on the synergistic effects between the composite and the AuNPs, a plausible catalytic mechanism was proposed. This work offers a promising strategy for designing highly efficient catalysts for environmental remediation.
✓ 已验证
产品关联
DOI
高影响因子
LANGMUIR
·
2026
·
IF 3.9
Jie Wan,Shouji Huang,Xiaowu Li,Guixiang Liu,Liwen Yang,Guobao Xu
MnO is regarded as a highly promising anode material for lithium-ion batteries because of its high theoretical specific capacity and abundant resources. Nevertheless, its intrinsic low electrical conductivity and significant volume expansion during cycling lead to poor rate capability and cycling performance, hindering its practical applications. Herein, N,P-co-doped carbon/MnO composite was designed and synthesized using expired milk powder as the nitrogen and phosphorus-codoped carbon source and manganese acetate tetrahydrate as the manganese source by freeze-drying and annealing strategies. In this composite, MnO nanoparticles (average size of 60 nm) are uniformly embedded within a three-dimensional interconnected N,P-co-doped foam-like carbon framework. The 3D carbon skeleton has a reversible wrinkling deformation, effectively mitigating the volume expansion of MnO during charge/discharge cycles and preventing particle aggregation. Additionally, N-doping introduces abundant surface active sites to enhance Li+ adsorption and improves electronic conductivity for efficient charge transfer, while P-doping generates defects in the carbon matrix, accelerating the kinetics of Li+. Therefore, the synergy between highly dispersed MnO nanoparticles and N,P-co-doped carbon matrices endows exceptional electrochemical performance, including high reversible capacity of 966 mAh g–1 at 0.2 A g–1 with 190 cycles, superior rate capability of 318 mAh g–1 at 4.0 A g–1, and long cycle performance (retaining 526 mAh g–1 at 1.0 A g–1 after 600 cycles). Furthermore, Li full cell assembled with LiFePO4 as the cathode and this composite as the anode also presents outstanding cycling stability, maintaining a capacity of 111 mAh g–1 after 250 cycles at 0.1 A g–1.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）