Journal of Physical Chemistry Letters
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2026
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IF 4.6
Meiqi Wang,Chen Yin,Yuxuan Du,Huan Liu,Bin Sun
Large-sized lead sulfide (PbS) colloidal quantum dots (CQDs) face significant stability challenges in near-infrared applications due to increased surface active sites. While traditional halogen ligands achieve preliminary passivation, they are prone to dissociation under high-temperature operating conditions, leading to rapid device performance degradation. This study proposes an aromatic bidentate ligand passivation strategy based on 2-picolinic acid (2-PCA). The device demonstrates an external quantum efficiency (EQE) of 35% at 1650 nm wavelength, with responsivity and normalized detectivity reaching 0.46 A/W and 3.58 × 1011 jones, respectively representing a 2.33-fold improvement over conventional halogen-passivated devices. Under thermal stress at 180 °C for 2 h, devices with 2-PCA ligands retain approximately 90% of their initial normalized EQE, marking a 15-fold improvement in stability compared to devices using halogen ligands (PbX2, X = Br–, I–), which undergo nearly complete failure. This aromatic bidentate ligand passivation strategy provides a new pathway for developing high-performance infrared photodetectors with enhanced thermal stability.
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高影响因子
ACS Omega
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2026
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IF 4.3
Anh Thuc Bui,Quang Hieu Pham,Van Toai Pham,Minh Thanh Vu,Hai Thuong Cao
Ammonium dinitramide (ADN) is a promising, environmentally friendly oxidizer for next-generation solid propellants. However, its high hygroscopicity and sensitivity to mechanical stimuli significantly hinder its practical applications. Here, ADN–polymethylhydrosiloxane (ADN–PMHS) composite microspheres were prepared via solvent–antisolvent crystallization, followed by a simple surface coating step. The morphology, chemical structure, thermal behavior, hygroscopicity, and mechanical sensitivity of the coated microspheres were systematically characterized. Results revealed that PMHS formed a uniform, continuous hydrophobic layer on the ADN crystal surfaces, yielding well-dispersed spherical particles. At an optimal PMHS content of 0.5 wt % (ADN–0.5%PMHS), the composite exhibited 54.8% lower moisture uptake after 25 h at 60% relative humidity and a 1.6 times reduction in impact sensitivity compared with raw ADN. Moreover, the activation energy increased from 164.44 to 184.96 kJ/mol, indicating improved thermal stability, while the decomposition temperature remained nearly unchanged. These findings demonstrate that ADN–0.5%PMHS microspheres possess enhanced moisture resistance, mechanical insensitivity, and thermal stability, making them highly attractive for advanced, environmentally sustainable solid-propellant formulations.
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NANO
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2026
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IF 1.1
Siqi Wang,Yu Zhang,Lin Feng,Ziying Tian,Guofei Huang,Jun Yu,Qiongfen Li
To explore the development of photocatalytic materials which were highly efficient, non-polluting, have low production cost, and are recyclable for degrading tetracycline (TC) in medical wastewater. In the study, Fe 2 O 3 was selected as the photocatalyst, and CuO was introduced to modify it to produce the Fe 2 O 3 /CuO photocatalyst. The Fe 2 O 3 /CuO composite photocatalysts were investigated by characterization means such as XRD, SEM, UV-Vis DRS, and EPR. The enhanced photocatalytic activity of the Fe 2 O 3 /CuO was attributed to CuO doping, which modulates the band structure, creating a new bandgap that extends the absorption spectrum and improves the utilization of visible light. Additionally, Fe 2 O 3 serves as an electron donor, significantly accelerating the separation of photogenerated electron-hole pairs. The effects of doping ratio, dosage, initial concentration of TC, and illumination time on the degradation of TC in medical wastewater by Fe 2 O 3 /CuO composite photocatalysts were investigated. Under the optimized conditions, the degradation rate of TC by the Fe 2 O 3 /CuO photocatalyst was 94.26%. The removal rate of the loaded Fe 2 O 3 /CuO-4 photocatalyst remained above 90% after five repetitions. The Fe 2 O 3 /CuO-4 photocatalyst was suitable for practical application in the treatment of antibiotics in medical wastewater due to its simple preparation and good photocatalytic ability, and reusability.
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ACS Applied Optical Materials
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2026
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IF 3.8
Yuxia Luo,Hui Tong,Linghua Guo,Qingdi Liu,Ping Li,Fuqing Zhu,Meng Wang,Hao Ma,Zemin He,Zhao Zhang,Liyi Li
Lanthanide-doped upconversion nanoparticles (UCNPs) have attracted interest in broad fields but are hindered by intrinsic low photon responsiveness. To overcome the limitation, many strategies have been developed to enhance the performance of UCNPs, including dye sensitization, core–shell engineering, photonic crystal engineering, and so on. While the luminescence intensity has been improved by these methodologies, the terms of luminescence mode diversity have not been further enriched and tunable, such as the wavelength and lifetime, which are from the UCNPs only. In addition, these methodologies are based on a cumbersome preparation process. Herein, we develop an approach to modulate the aggregation of UCNPs through the persistent luminescence (PersL) micrometer particles for upconversion luminescence enhancement. Compared to the individual UCNPs in ethanol, in which emissions are quenched in all directions, the emission of UCNP aggregation on the surface of the PersL micron particles is significantly preserved from quenching. In addition, the near-infrared absorption is increased in UCNP aggregation through the multiple reflection–absorption effect. With the cooperative efforts of suppressive quenching and the enhanced interaction between the incident light and luminescent ions, the UCNPs-PersL systems achieve about a 2-fold enhanced upconversion. Furthermore, promising applications in the realm of dynamic anticounterfeiting have been demonstrated. Thus, this strategy not only realizes enhanced upconversion by modulating the aggregation of UCNPs but also endows the hybrid system with multimodal luminescence.
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DALTON TRANSACTIONS
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2026
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IF 3.3
Jian-Long Lei,ShuiSheng Li,Xi Zhen,Lu Shen,Bin He
Nickel-iron layered double hydroxide (NiFe-LDH), as a highly promising non-precious metal catalyst for the oxygen evolution reaction (OER), still suffers from several inherent drawbacks, including poor electrical conductivity, insufficient exposure of active sites, and a decline in performance under high current densities. These limitations severely restrict its practical application in the oxygen evolution reaction. Herein, a nanosheet morphology Pr-doped NiFe layered double hydroxide catalysts (Pr-NiFe-LDH) was synthesized in situ on the surface of Nickel foam modified by dielectric barrier discharge (DBD) plasma (PNF). The addition of Pr elements can effectively adjust the electronic structure of NiFe-LDH, change the position of the d-band center, and increase the number of active sites, thereby enhancing the catalytic activity. The overpotential of Pr-NiFe-LDH was reduced to 321 mV at 100 mA•cm -², significantly lower than that of NiFe-LDH (342 mV) and even superior to that of commercial RuO₂ catalyst (441 mV). The density functional theory (DFT) study indicates that adding Pr to the surface of NiFe-LDH enhances its performance in the OER. This work not only deepened the understanding of the OER mechanism in the NiFe-LDH catalyst, but also provided valuable insights for the design of efficient, low-cost and noble-metal-free electrocatalysts.
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高影响因子
Journal of Bioresources and Bioproducts
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2026
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IF 13
Aoxue Lang,Zhiying Liang,Wu Yang,Ziyu Guo,Kasim Ocakoglu,Emmanuel Iwuoha,Ruidong Xia,Xinwen Peng
Aqueous zinc-ion batteries (AZIBs) have emerged as promising energy storage systems owing to their high safety, low cost, and environmental friendliness. However, their practical application faces critical challenges, including the formation of Zn dendrites and the occurrence of parasitic side reactions. These phenomena not only hinder ion transport kinetics but also cause rapid capacity decay and potential battery failure. To address these limitations, we developed a sustainable double-crosslinked cellulose hydrogel electrolyte by integrating micron-sized cellulose and cellulose nanofibers (CNFs). The hydrogel electrolyte, constructed from cellulose components with distinct size scales, exhibits a well-organized hierarchical porous network structure, which significantly facilitates the migration of zinc ions. Specifically, nanocellulose serves as a reinforcing filler that enhances the mechanical strength of the dual-network electrolyte, thereby inhibiting Zn dendrite growth. Additionally, abundant carboxyl polar functional groups were also introduced as high-affinity Zn 2+ binding sites to mitigate side reactions. Consequently, the assembled Zn//Zn symmetric cells with this electrolyte demonstrate superior cycling stability exceeding 1 100 h at current density of 0.5 mA/cm 2 , along with a high-capacity retention of 79.9% after 1 000 cycles in the Zn//V 2 O 5 battery. Furthermore, this cellulose hydrogel electrolyte is easily accessible and biodegradable, paving the way for the scalable production of high-performance and environmentally friendly energy storage devices.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2026
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IF 9.7
Fengqin Wang,Xinyue Ren,Yang Wang,Muhammad Tayyab,Zhongliao Wang,Sugang Meng
The photocatalytic coupling of selective phenylcarbinol oxidation with hydrogen evolution has attracted considerable attention as a promising dual-functional reaction system. Herein, a lattice-matched 2D/3D NiS/CdIn 2 S 4 (NiS/CIS) Schottky heterojunction is rationally designed for efficient dual-functional photocatalysis under visible light. Structural analyses confirm the uniform deposition of NiS nanosheets on octahedral CIS with a lattice mismatch below 5%, ensuring coherent interfacial contact. The optimal 3% NiS/CIS composite exhibits exceptional hydrogen and benzaldehyde production rates of 2636.4 and 2717.6 μmol g −1 h −1 , respectively—representing enhancements of 39.7 and 38.0 times over pristine CIS. The catalyst also demonstrates remarkable stability, retaining over >99.0% activity after six cycles. Mechanistic studies reveal that the Schottky junction facilitates spatial separation of photogenerated carriers: electrons migrate to NiS, prolonging charge carrier lifetimes and lowering the hydrogen evolution overpotential, while holes accumulate on CIS that facilitated phenylcarbinol adsorption to drive selective phenylcarbinol oxidation via a carbon-radical pathway. This work provides a viable approach for designing efficient bifunctional photocatalysts through lattice-matched interface engineering.
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INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
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2026
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IF 8.3
Jingzhou Liu,Qinan Ma,Shengjun Zhang,Xiaojun Zeng
Modulating the electronic interaction between catalysts and supports is recognized as an effective strategy to enhance catalytic performance. However, due to the complex electronic or coordination environments at the catalyst-support interface, designing supports capable of anchoring complex-structured metal nanoparticles (NPs) remains a challenge. Herein, we designed porous SnO 2 nanotubes (NTs) using an electrospinning and chemical etching strategy and successfully anchored nanoflower-like AuPdCu NPs composed of self-assembled nanowires onto their surface. The porous structure of SnO 2 NTs provides abundant anchoring sites for AuPdCu NPs. Furthermore, the petal-like structure of the AuPdCu NPs is firmly bonded to the pores of the SnO 2 NTs through a gear-like interlocking mechanism, resulting in a strong bond between the catalyst and support. The unique structural advantages of AuPdCu/SnO 2 , along with the electronic interaction between the support and catalyst, synergistically enhance catalytic performance. AuPdCu/SnO 2 exhibits a high mass activity of 4.53 A·mg Pd −1 for the ethanol oxidation reaction (EOR) and maintains a high current density (3.39 mA cm −2 ) after a 10000 s stability test. Density functional theory (DFT) calculations confirm that the electronic interaction between AuPdCu NPs and SnO 2 NTs modulates the d-band center, thereby optimizing the adsorption strength of reaction intermediates and promoting the complete oxidation of ethanol.
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Small
·
2026
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IF 12.1
Rui Ma,Yuan Ren,Zhenliang Li,Yujian Rao,Xueqiong Cui,Tuo Zhang,Zejun Han,Qiongfeng Shi,Yonghui Deng,Li Tao
Transition metal dichalcogenides (TMDs) have attracted significant attention in electronic devices, energy storage, and catalysis owing to their distinctive electronic properties and abundant active sites. Introducing mesoporosity into TMDs is extremely favorable to enhance the host-guest interactions and improve their performance, but very challenging. Herein, we report a universal electrostatic assembly strategy for the synthesis of mesoporous carbon/heteroatom-doped TMDs microspheres with radially oriented pores, using polydopamine (PDA) and polyoxometalates (POMs) clusters as interactive precursors. By employing POMs (e.g., H 3 PW 12 O 40 ) as metal sources and mesoporous PDA microspheres as templates, we successfully synthesized a series of mesoporous C/heteroatom-doped TMDs microspheres (TMDs = P-WS 2 , Si-WS 2 , P-MoS 2 , Si-MoS 2 ). The resulting hybrid microspheres feature an open porous architecture, high charge-carrier mobility, and abundant active sites, benefiting from their high crystallinity and in situ heteroatom doping. When employed in chemiresistive gas sensors, these C/TMDs microspheres demonstrate exceptional room-temperature NO 2 sensing performance, including high sensitivity, excellent selectivity, and rapid response. Density functional theory (DFT) calculations reveal that heteroatom doping (e.g., P) can enhance the structural stability of adsorbed NO 2 , strengthen orbital hybridization with TMDs, and facilitate efficient charge transfer, thereby dramatically improving sensing performances.
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JOURNAL OF MATERIALS SCIENCE
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2026
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IF 3.9
Yang Lanlan,Huang Dan,Liu Guoxiang,Wu Yihui
The urea oxidation reaction (UOR) has garnered significant attention as a promising alternative to the oxygen evolution reaction (OER) for water electrolysis, owing to its superior kinetic properties that enable enhanced hydrogen production efficiency. However, the practical deployment of UOR technology remains hindered by the persistent challenge of developing electrocatalysts that simultaneously achieve high activity, long-term operational stability, and cost-effectiveness. Herein, we report a facile, eco-friendly, one-step synthesis process to fabricate nickel–tin electrocatalyst (Ni–Sn) on Ni foam for catalyzing UOR via electrodeposition, using SnCl 2 ·2H 2 O and NiSO 4 ·6H 2 O as the Sn and Ni sources, respectively. Notably, the Ni–Sn electrocatalyst with a Ni/Sn ratio (90.39:8.61 at%) exhibits remarkable UOR activity, delivering a low potential of 1.493 V versus RHE to reach 10 mA·cm −2 , a small Tafel slope of 83.5 mV·dec −1 , and excellent stability with minimal decay after 100 h of continuous operation in alkaline urea electrolyte (1.0 M KOH + 0.33 M urea). The excellent activity of the Ni–Sn electrocatalyst for UOR benefits from the synergistic interaction between Ni and Sn, which modulates the electronic structure and accelerates charge transfer kinetics, thereby significantly enhancing reaction dynamics. Furthermore, the intrinsic superhydrophilicity of the Ni–Sn catalyst promotes efficient mass transport of reactants and products, contributing to its superior bifunctional catalytic performance for UOR.
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JOURNAL OF MATERIALS SCIENCE
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2026
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IF 3.9
Liu Jia,Meng Qingxu,Liu Xiaona,Xie Yunrui
Developing high-performance TENG based on electrospun nanomaterials is one key to maximize the value as a sustainable green energy technology. Here, a performance-enhanced TENG is constructed by using electrospun TPU/Tb(BA) 3 phen/PVP nanofiber membrane and PVDF/PVP nanofiber membrane as two friction layers. A “dual-enhancement strategy” is proposed and implemented: a lot of micro contact points are created by utilizing the nanofiber membrane network structure to greatly increase the effective contact area and significantly enhance the frictional electrification effect. Meanwhile, a multitude of triboelectric charge capture sites are obtained via Tb(BA) 3 phen-TPU/PVP two-phase interface that is established by doping functional filler of Tb(BA) 3 phen to reduce charge dissipation and increase the accumulation of frictional charges. As the content of Tb(BA) 3 phen increases from 0 to 15% in TPU/Tb(BA) 3 phen/PVP nanofiber membrane, the output performance of TENG gradually increases from 3.3 μA, 50 V to 10.1 μA, 200 V. Moreover, electrospun nanofiber membranes are endowed with rich properties, including good flexibility, stretchability, hydrophobicity, and fluorescence. The assembled TENG with high performance and excellent multifunctional integration has great potential in wearable electronic devices and energy harvesting. Graphical abstract
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INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
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2026
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IF 8.3
Feidie Li,Zhishuncheng Li,Qiangli Lv,Lin Lv,Hua Wang,Tao Zhu,Xing Zhu,Kongzhai Li,Zhishan Li
Urea-assisted overall water splitting has emerged as a cost-efficient and promising technology for hydrogen production, which not only avoids the formation of an explosive H 2 /O 2 gas mixture but also significantly reduces the energy input required for water electrolysis. In this work, a bifunctional CuNNi 3-x Mn x catalyst self-supported on nickel foam (NF) was synthesized via a facile hydrothermal method followed by annealing, resulting in highly efficient and stable electrocatalysts for both the urea oxidation reaction (UOR) and the hydrogen evolution reaction (HER). Controlled Mn doping allows precise modulation of the electronic structure of CuNNi 2.4 Mn 0.6 at the Ni active sites, simultaneously enhancing the adsorption/desorption kinetics of hydrogen intermediates (H∗) and facilitating C–N bond cleavage in urea. The optimized CuNNi 2.4 Mn 0.6 catalyst requires only 1.336 V for UOR and 44 mV for HER to achieve a current density of 10 mA cm −2 , demonstrating remarkable bifunctional activity. Moreover, when employed as both anode and cathode in a urea-assisted overall water splitting system, the catalyst enables a cell voltage of merely 1.526 V at 10 mA cm −2 , significantly lower than that required for conventional water electrolysis (1.695 V vs. RHE). The system also exhibits excellent durability, maintaining stable performance for over 30 h at 10 mA cm −2 without significant activity loss. This work provides a foundation for the further exploration of transition metal-based bifunctional electrocatalysts, paving the way for energy-efficient hydrogen production and simultaneous treatment of urea-rich wastewater.
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危险品化学品经营许可证（带存储）