SOLAR ENERGY MATERIALS AND SOLAR CELLS
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2014
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IF 5.03
Hongwei Lei,Guojia Fang,Fei Cheng,Weijun Ke,Pingli Qin,Zengcai Song,Qiao Zheng,Xi Fan,Huihui Huang,Xingzhong Zhao
In this article, we in situ fabricated copper sulfide (CuS) on fluorinated tin oxide (FTO) substrate using a low temperature and low cost hydrothermal method and then organic solar cells (OSCs) were fabricated by using a thin layer of CuS film as hole transporting layer (HTL). Our CuS films, consisting of two-dimensional (2D) intersected hexagonal nanosheets , are stoichiometric and show p-type electrical conductivity , a good transparency and a high hole mobility. The Fermi level , valence and conduction band energies for CuS HTL are characterized in detail through photoelectron spectroscopy studies. The small energy barrier between the valance band of CuS and the HOMO of poly(3-hexylthiophene) (P3HT) and the high hole mobility and electrical conductivity of CuS nanosheet film benefit for the hole transporting. Therefore, CuS HTL to OSCs results in a power conversion efficiency of 3.4% with P3HT and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) as the active layer , which is a 13.3% increase in performance than devices with a poly (3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT: PSS) HTL. Therefore, low-cost, environmental friendly and stable CuS is an appropriate choice for hole transporting materials (HTMs) in OSCs.
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高影响因子
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
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2018
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IF 3.235
Yuxiang Chen,Jie Li,Yanqing Lai,Meng Yin,Zhian Zhang
Non-graphitic carbons have shown great potential in sodium ions batteries, however, major hurdle to address is the poor capacity performance. Herein, a facile strategy combining supramolecular chemistry polymerization and nanospace confinement carbonization is proposed to construct interconnected carbon foams with N,P co-doping (MNNPCs) to improve sodium storage performance. Electrochemical impedance spectroscopy (EIS) measurements demonstrate that defined MNNPCs display fast charge transfer at the electrode-electrolyte interface. And the Na + diffusion coefficient in the MNNPCs electrodes (1.2 × 10 −10 cm 2 s −1 ) is about 22 times than that of reference electrode, suggesting excellent sodium ions diffusion kinetics in MNNPCs electrodes. In particular, MNNPCs are capable of delivering superior specific capacity of 394.5 mAh g −1 at 50 mA g −1 after 100 cycles with an initial coulombic efficiency of 58.7%. Such architecture provides a promising structural platform for the preparation of carbon anode materials for high reversible and high capacity sodium ions batteries .
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高影响因子
NEW JOURNAL OF CHEMISTRY
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2017
·Vol. 41
·期 22
·13327-13335
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IF 3.269
Ce Gao,Qing-Da An,Zuoyi Xiao,Shangru Zhai,Bin Zhai,Zhan Shi
Nanosilver/alginate composite beads were successfully fabricated via a simple one-pot encapsulation method and were effectively applied to degradation experiments with p-nitrophenol under batch and fixed-bed conditions. Three-dimensional alginate hydrogels cross-linked with calcium ions were used as supporting matrix for “confinement” of the nanosilver, leading to the formation of nanosilver/alginate composite beads without significant aggregation of active nanoparticles. The samples were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy. As-fabricated bead-like samples showed excellent catalytic efficiency at ambient temperature; material with 10% silver content required 170 seconds to catalyze hydrogenation of highly toxic p-nitrophenol under batch conditions. Good stability was also demonstrated in the process of dynamic catalytic degradation, which showed continuous high conversion performance for 4-NP; about 40 minutes at 298 K and residual concentration reached 0.0335 mg L−1 at a flow rate of 1 mL min−1. A pseudo-first order kinetic model described the relationship between concentration and time well; the rate constant k is 0.0149 s−1. Very favorably, the way to recycle the catalyst is very simple, namely filtration only is enough. In addition, the catalytic capability did not decline significantly after 10 recycles and average conversion content was still 97.96%.
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APPLIED SURFACE SCIENCE
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2026
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IF 6.6
Xinlin Zuo,Ning Li,Zhifang Zhao,Chaorui Xue,Qing Chang,Lei Liu,Xiangqian Fan,Shengliang Hu
The development of highly efficient photocatalysts for solar-driven hydrogen evolution is critically important for addressing global energy and environmental challenges. In this study, a dual-vacancy system comprising cooperatively interacting sulfur vacancies (V S ) and indium vacancies (V In ) was constructed in ZnIn 2 S 4 (ZIS) through a combined hydrothermal-acid etching strategy. This approach enabled site-selective enrichment of the two distinct vacancies within the [ZnS] 4 and [InS] 4 structural units, respectively, leading to the increment of the active sites for catalytic reaction. Systematic characterization and theoretical calculations confirm that the unique vacancy configuration induces a substantially enhanced built-in electric field (BIEF), oriented from the n-type V S region toward the p-type V In region, which effectively promotes spatial separation and directional migration of photogenerated electron-hole pairs while significantly suppressing non-radiative recombination. The optimized ZIS catalyst with dual-vacancies (ZIS-D) achieves an exceptional hydrogen evolution rate of 9.68 mmol·h −1 ·g −1 under simulated solar illumination, representing 7-fold and 4-fold enhancements compared to pristine ZIS and ZIS-V S samples, respectively. This study provides new perspectives and theoretical foundations for vacancy engineering in the design of advanced photocatalytic systems.
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高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
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2026
·Vol. 37
·期 4
·287
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IF 2.8
Tang Ruxuan,Chen Yuan-Bin,Su Xiuyuan,Tang Ling
With the rapid development of 5G/6G mobile communication technology, microwave dielectric materials are facing increasingly strict performance requirements. As core fundamental materials for modern communication systems, performance optimization of microwave dielectric ceramics has become a research hotspot. Addressing the limitations of single-phase ceramic materials, dense microwave dielectric ceramics of (Nd 1- x La x ) 2 [Zr 0.89 (Bi 0.5 Ta 0.5 ) 0.11 ] 3 (MoO 4 ) 9 ( x = 0.01, 0.03, 0.05, 0.07) were prepared by the conventional solid-state reaction method. The experimental process involved 550 °C pre-sintering followed by gradient sintering at 600–725 °C (4 h holding time). X-ray diffraction (XRD) analysis confirmed that all samples exhibited trigonal crystal structure with \(R\overline{3} c\) space group. The lattice parameters were obtained by Rietveld refinement method. Scanning electron microscopy (SEM) characterization indicates that compactness has a significant impact on the dielectric constant ( ε r ) and the quality factor ( Q × f ). Raman spectroscopy analysis indicated strong associations of ε r and Q × f values with characteristic peak shifts and full width at half maximum ( FWHM ), respectively. When sintered at 675 °C, the NLZBTM ( x = 0.03) ceramics exhibited exceptional comprehensive performance: ε r = 11.24 ± 0.02, Q × f = 116,914 ± 5738 GHz, and τ f = − 37 ± 1.5 ppm/℃. The bond property analysis based on the P–V–L theory shows that the ionicity of the Nd/La–O bond makes the greatest contribution to εᵣ , while the covalency of the Mo–O bond significantly affects the Q × f value and τ f parameter. It is noteworthy that this material achieves low-temperature sintering at 675 °C while maintaining excellent microwave dielectric properties, demonstrating significant potential as a candidate material for low-temperature co-fired ceramics (LTCC).
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高影响因子
JOURNAL OF ENVIRONMENTAL MANAGEMENT
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2026
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IF 9.2
Wei Liu,Zhengtong You,Shiqi Qin,Zhipeng Hu,Jiaxin Mu,Zhijun Zhang,Yanjun Xie,Qingwen Wang,Charles U. Pittman
Developing sustainable carbon materials with both dye adsorption and electrochemical properties offers a promising strategy for carbon neutrality. Herein, a coupled carbonization strategy was employed to prepare porous carbon with high-level heteroatom doping and hierarchical pores, involving the co-hydrothermal treatment of wood flour with phytic acid and melamine, followed by K 2 CO 3 activation. Phytic acid and melamine act as P/N sources and structural builders, promoting hydrochar formation via phosphate coordination and condensation reactions, resulting in a stable cross-linked network rich in N, P, and O. The resulting N, P co-doped hierarchical porous carbon (NP-PC) exhibits an ultrahigh surface area (2792 m 2 g −1 , a 344 % increase compared to pure wood flour-derived carbon), suitable mesoporosity (36 %), and tailored surface chemistry (19.86 at% heteroatom content). At room temperature, NP-PC demonstrates an exceptionally high adsorption capacity for methylene blue (3028 mg g −1 after 6 h contact) and rapid adsorption kinetics (90 % removal within 5 min), outperforming most reported carbon-based adsorbents. NP-PC retains an adsorption capacity above 2500 mg g −1 even after five regeneration cycles. As a supercapacitor working electrode, NP-PC electrode also shows excellent electrochemical performance, delivering a specific capacitance of 380 F g −1 at 0.5 A g −1 and retaining 273 F g −1 at 25 A g −1 . This study achieves the conversion of low-value biomass into high-performance functional carbons, providing a sustainable solution for integrated environmental and energy applications.
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PubMed
高影响因子
Food Chemistry-X
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2026
·
IF 8.2
Zi Ye,Xinyu Wang,Tao Wang,Chuanqi Chu,Zhijia Liu,Leilei Yu,Ming Du,Junjie Yi
p -Cresol plays a pivotal role in shaping the flavor quality of suansun . This study examined the effect of inoculating Levilactobacillus zymae KUST4216, a high p -cresol-producing strain, on the fermentation of suansun . Comparative analyses between uninoculated and inoculated fermentation revealed that both followed similar acidification patterns, but inoculated fermented suansun accumulated significantly more p -cresol (6.62 ± 4.15 mg/kg vs. 0.20 ± 0.14 mg/kg). Inoculation with L. zymae KUST4216 rapidly established microbial dominance, reshaped community succession, and promoted early sugar utilization. Genomic analysis showed enrichment in carbohydrate and amino acid metabolism and abundant CAZymes, supporting efficient precursor supply for aromatic compound biosynthesis. Transcriptomic profiling confirmed coordinated regulation that directed metabolic flux toward p -cresol synthesis. Overall, L. zymae KUST4216 drives p -cresol formation via the tyrosine pathway and stabilizes fermentation ecology, providing mechanistic insight into flavor generation and offering a strategy for enhancing the sensory quality of fermented bamboo shoots through targeted microbial inoculation.
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高影响因子
SOLID STATE IONICS
·
2015
·
IF 2.561
Jingyun Yin,Xiayin Yao,Gang Peng,Jing Yang,Zhen Huang,Deng Liu,Yicheng Tao,Xiaoxiong Xu
The effect of solid electrolytes , i.e. Li 10 GeP 2 S 12 and Li 3.25 Ge 0.25 P 0.75 S 4 , on the rate and low temperature performances of LiNi 0.8 Co 0.15 Al 0.05 O 2 (NCA) cathode in all solid state lithium batteries is investigated. The ionic conductivities for the synthesized Li 10 GeP 2 S 12 and Li 3.25 Ge 0.25 P 0.75 S 4 at room temperature (RT) are 8.27 × 10 − 3 and 2.03 × 10 − 3 S cm − 1 , respectively. These solid electrolytes are demonstrated as electrolytes for all solid state lithium batteries containing NCA cathode for the first time. The results show that Li 10 GeP 2 S 12 based battery exhibits superior rate performance (72.3 mAh g − 1 at 1 C, RT), cycling stability (capacity retention of 87.1% after 30 cycles at 0.1 C, RT) and low temperature performance (79.2 mAh g − 1 at 0.1 C and − 10 °C), which can be ascribed to its higher ionic conductivity and lower interfacial resistance between Li 10 GeP 2 S 12 and NCA cathode. It is indicated that all solid state lithium batteries with NCA cathode and Li 10 GeP 2 S 12 solid electrolyte can realize its potential application in high power and low temperature conditions.
研究领域:
材料科学
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电化学
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能源存储
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固态离子学
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电池技术
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高影响因子
JOURNAL OF POWER SOURCES
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2026
·
IF 7.9
Yan Wang,Hanbo Wang,Dongyu Zhu,Yahui Xu,Ziming Wang,Yiduo Li,Yumei Tian,Haiyan Lu
The practical application of carbon and its analogues has been impeded by their high cost and the complexity of preparation methods, thereby driving significant interest in identifying cost-effective alternatives for future energy storage applications. Biomass-derived carbon has emerged as promising substitutes for graphene in energy storage devices. However, enhancing their specific surface area and electrochemical performance remains a considerable challenge. We developed a novel approach by utilizing thiourea and sodium hypophosphite as activators and co-dopants to synthesize sulfur and phosphorus co-doped porous carbon derived from biomass waste. This strategy effectively facilitated pore structure rearrangement and introduced a synergistic combination of non-metallic dopants, significantly improving the electrochemical performance for supercapacitors by adjusting the ratio of co-dopants. The resulting sample exhibited a hierarchical porous structure with superior specific surface area (2691.85 m 2 g −1 ) and abundant micropores, endowing a high capacitance (323.5 F g −1 at 1 A g −1 ) and a superb cycling stability (100.37 % after 10,000 cycles). Furthermore, the assembled button-type supercapacitors yielded a remarkable energy density of 31.8 Wh kg −1 coupled with outstanding cyclic stability, retaining approximately 92.17 % after 25,000 cycles. These promising results exemplified a sustainable and cost-effective approach to design electrode materials for high-performance supercapacitors with extended cycle life.
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高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2026
·
IF 9.6
Jiankun Li,Shang Wu,Quanlu Yang,Huize Zhang,Chenxu Zhu,Xiaoyi Meng,Xiaojun Yang,Qiong Su,Shuhe Kang,Juzhen Kang,Wei Lan
HS-FeNi-BNC is synthesized via B-bridging, with hollow porous carbon and Fe-B-Ni diatomic sites. • Fe-B-Ni bridge enables p-d hybridization to tune metal sites' electronic structures. • HS-FeNi-BNC delivers exceptional ORR/OER/HER electrocatalysis in alkaline media. • HS-FeNi-BNC-based ZABs operate from −10 to 60 °C with 92.9% Zn utilization efficiency. Rechargeable zinc-air batteries (ZABs) require efficient electrocatalysts to boost the sluggish oxygen reduction reaction (ORR)/ oxygen evolution reaction (OER) kinetics at the air cathode. However, designing high-activity catalysts faces considerable challenges due to spatial and electronic constraints. Herein, a boron-doped hollow spherical porous carbon (HS-FeNi-BNC) anchored with Fe-B-Ni diatomic sites is prepared via a facile B-bridging strategy, realizing the regulated construction of heteroatom doping and diatomic active sites. HS-FeNi-BNC possesses abundant micropores/mesopores, uniformly dispersed Fe Ni diatomic centers (0.27 nm spacing) with a Fe-B-Ni bridge structure, and topological carbon defects induced by B/N co-doping. HS-FeNi-BNC exhibits exceptional trifunctional electrocatalytic performance in alkaline electrolytes, with an ORR E 1/2 of 0.864 V, an OER overpotential of 308 mV and a hydrogen evolution reaction (HER) overpotential of 301 mV at 10 mA cm −2 . HS-FeNi-BNC-based ZABs achieve an outstanding wide-temperature operating range of −10 °C to 60 °C, a specific capacity of 761.51 mAh g −1 and a Zn utilization efficiency of 92.9%, outperforming Pt/C + RuO 2 -based ZABs. Density functional theory (DFT) calculations reveal that the Fe-B-Ni bridge structure triggers p-d orbital hybridization, regulating metal site electronic structures, optimizing reaction intermediate adsorption and accelerating interfacial electron transfer. This work advances the development of high-efficiency heteroatom-modified non-noble metal multifunctional catalysts. Download: Download high-res image (207KB) Download: Download full-size image
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高影响因子
JOURNAL OF HAZARDOUS MATERIALS
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2026
·
IF 10.6
Yunlong Chen,Chang Xu,Wei Lu,Jinliang Li,Jinhu Li,Yang Li,Ting Wang
Coal-induced APS activation enables in-situ gelation within the coal matrix. • DSS retains multiscale penetration before gelation at approximately 63 h. • EPR and APS-consumption tests support coal-induced radical generation. • Total and respirable dust generation fell by 76.46% and 88.91%. • Gelation, pore plugging, and bonding enabled durable source dust control. To address rapid moisture loss after conventional coal seam water injection and the poor coordination between penetration and gelation of traditional gel dust suppressants, an injectable P(SA-co-IA) semi-interpenetrating polymer network (semi-IPN) dust suppressant with coal-induced in-situ gelation was developed. A prepolymer solution containing short-chain P(SA-co-IA) prepolymers and residual reactive monomers was supplemented with ammonium persulfate (APS) and N,N′-methylenebisacrylamide to obtain the dust suppressant solution (DSS). After entering the coal matrix, intrinsic electron-donating functionalities activated APS, triggering radical generation and in-situ crosslinking. L NMR showed that DSS penetrated multiscale pores and approached a stable distribution after approximately 60 h. With an additional APS dosage of 8.47 wt%, gelation occurred at approximately 63 h, providing a compatible penetration–gelation window. Peroxide concentration tests, EPR, FTIR, rheological measurements, gel fraction, and SEM–EDS confirmed coal-induced APS activation and semi-IPN hydrogel formation. After 12 h, the water evaporation rate of DSS-treated coal was approximately 30%. After 72 h, total and respirable dust-generation rates decreased by 76.46% and 88.91%, respectively. BET, SEM, and molecular dynamics simulations indicated that pore plugging, surface coating, hydrogen-bond adsorption, and particle bonding enhanced coal structural stability and reduced dust generation at the source. Download: Download high-res image (243KB) Download: Download full-size image
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CHEMICAL ENGINEERING JOURNAL
·
2026
·
IF 12.5
Peng Su,Rui Feng,Ling Zhou,Bowei Liu,Tong Zhou,Ruoyu Dong,Lijie Dong
A microphase-separated block copolymer enables resilient BTO-based composites. • PS-rich rigid nanodomains promote stress dispersion in the composite. • Reduced hysteresis and improved cyclic compression stability are achieved. • 98.4% response retention and intact interface remain after 10,000 cycles at 100 N. Stable mechano-electric response under repeated contact and compression is in high demand for resilient piezoelectric composites used in embodied intelligence and human-machine interfaces. Such composites are commonly fabricated by dispersing high-performance ceramic fillers into elastomeric matrices. However, stable mechano-electric response relies on efficient and durable stress transfer from the soft matrix to the piezoelectric phase, which is hindered by the stiffness disparity, often approaching five orders of magnitude, between rigid ceramic fillers and MPa-level soft elastomers. The soft matrix dissipates mechanical energy through viscoelastic deformation, while the abrupt ceramic-elastomer stiffness transition leads to interfacial stress concentration and unfavorable stress localization. Herein, we develop a microphase-separated block copolymer matrix, crosslinked PS- b -P(DMS- stat -VMS) (CroPSDV), loaded with barium titanate (BTO) nanoparticles. Microphase separation in CroPSDV produces PS-rich rigid nanodomains within a soft polysiloxane-rich matrix, forming a mechanically heterogeneous architecture that may facilitate local stress redistribution and mitigate stress concentration around BTO nanoparticles while buffering the ceramic-elastomer stiffness contrast. Together with in situ thiol-ene crosslinking, this architecture structurally encapsulates and confines BTO nanoparticles, reduces hysteresis loss, and stabilizes cyclic compression behavior. The BTO/CroPSDV composite retains stable mechano-electric output over 10,000 compression cycles at 100 N, with an output retention of 98.4% and without obvious matrix-filler interfacial damage after cycling. It also exhibits sensitive and rapid mechano-electric response, with a detection limit of 1 N and a response time of 43 ms. This work presents a mechanically active matrix-design strategy for resilient piezoelectric composites for stress dispersion and cyclic interfacial stability. Download: Download high-res image (264KB) Download: Download full-size image
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危险品化学品经营许可证（带存储）