ADVANCED FUNCTIONAL MATERIALS
·
2024
·
IF 18.5
Yunlong Guo,Shiwei Feng,Weizi Gao,Jingjing Cui,Zhe Lu,Chen Liang,Fukang Liu,Zhijie Mao,Zhenxiang Wang,Guang Hu,Biao Zhang
Ionic conductive hydrogels are widely used in many applications such as electrochemical energy storage, flexible electronic devices, and catalyst transistors due to their excellent ionic conductivity as well as chemical stability. However, the fragile mechanical properties and the lack of shaping methods severely limit their further applications. Herein, an ionic conductive composite hydrogel with reinforced mechanical properties is demonstrated that can be rapidly 3D printed using digital light processing technology. By using both γ-methacryloxypropyltrimethoxysilane moderately modified attapulgite rigid particle and polyvinyl alcohol (PVA) semicrystal dual-network reinforcement, the mechanically robust and highly conductive N , N , N -trimethylethanaminium-chloride-based hydrogels are obtained, demonstrating a 5 times higher tensile strength than the initial one due to the turning and orienting of the attapulgite as well as the robust PVA secondary network. Furthermore, encapsulation strategy is used to avoid the dehydration of hydrogel, and strain sensors that exceed the strain limit of the hydrogel are fabricated through structural design. This work provides a reference for attapulgite-reinforced hydrogel in biosensing.
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高影响因子
ACS Applied Nano Materials
·
2025
·
IF 5.5
Zi-Nan Chen,Shao-Yi Chen,Yonghong Xiao,Hao-Long Zhou,Xiao-Chun Huang
Carbon nanodot (CD)/metal–organic framework (MOF) nanocomposites are expected to be promising white light LED materials due to their tunable compositions. Nevertheless, the material instability, cost, toxicity, and other restrictions must be settled for their practical application. Herein, we report a facile self-carbonization strategy for preparing low-cost CD/MAF (carbon nanodot embedded in metal–azolate framework) nanocomposites with retained structure and stability. The resulting CD/MAF showed topology-dependent, near-white light emission behaviors suitable for white light emission. This nanoscale strategy sheds light on the path toward low-cost, highly tunable luminescent nanocomposite materials.
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Journal of Materials Chemistry C
·
2025
·
IF 5.1
Bufeng Liang,Tianhao Xia,Muhammad Usman,Dao Chen,Dejia Hu,Danyang Xiao,Zeqiong Li,Chunxiao Wu,Chenxu Cao,Hengshuo Liang,Yan Li
Inorganic CsPbX3 perovskite quantum dots (PQDs) have attracted considerable attention in light-emitting diodes (LEDs) due to their great photoluminescent properties. Despite the excellent progress of PQDs in red and green emission, the application of blue−emitting PQDs is limited by low photoluminescence quantum yield (PLQY) and weak stability. To address this problem, this study reports on a strategy that combines anionic post−exchange with surface passivation. High performance blue-emitting PQDs were obtained through anion exchange using 1,3-dimethylpentylamine hydrochloride (DPE), followed by passivation with trifluoroacetate groups (CF3COO-) and octylamine groups (OLAH+). The PLQY of PQDs is greatly enhanced from 37% to 54%, accompanying excellent stability in a variety of extreme environments, such as UV light, high temperature, and polar solvents as well as at room temperature storage.
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Catalysis Science & Technology
·
2025
·
IF 4.2
Yanrong Li,Hui Wang,Mengya Cao,Yusong Wen,Yijia Cao,Bao Li,Qing Shen,Wen Gu
In this study, light transition metal-based tetranaphthalene porphyrin/C3N5 [(Np)4MP/CN-x, x is the mass ratio, M = Ni, Cu, Zn] heterojunction composites were prepared and characterized. The photoluminescence spectra, transient photocurrent response and electrochemical impedance shows that the introduction of light transition metal-based tetranaphthalene porphyrin [(Np)4MP] can effectively improve the serious problem of C3N5 photogenerated carrier recombination. Additionally, (Np)4MP functions as a sensitizer, broadening the visible light absorption range of C3N5 and thereby enhancing its photocatalytic activity. Among the synthesized composites, (Np)4CuP/CN-0.5 exhibited exceptional photocatalytic performance. Within 20 min, it achieved degradation efficiencies of 98.95% for 20 ppm methylene blue (MB) and 97.42% for rhodamine B (RhB). Furthermore, it demonstrated remarkable antibacterial activity, with rates of 97.92% against Escherichia coli and 99.31% against Staphylococcus aureus within just 10 min. The photodegradation efficiency of this catalyst surpasses that of most previously reported catalysts. We also gave an insight into the mechanism of photocatalytic degradation of dyes by (Np)4MP/CN-0.5 and found that the degradation effect of the catalyst in accordance with the direct Z-scheme heterojunction mechanism was better than that of the type II heterojunction. This study broadens the way for the synthesis of relatively low-cost and multifunctional photocatalysts.
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Chemistry-Switzerland
·
2025
·Vol. 7
·期 3
·90
·
IF 2.4
Tianning Zheng,Ruihao Huang,Haoran Zhang,Song Ye,Deping Wang
Silver nanoclusters that are confined inside zeolites can give off intensive tunable emission across the visible region under UV excitation. In this research, a series of silver nanoclusters loaded with R-FAU/Ag (R = Li, Na, K) zeolites were synthesized and then applied as phosphors for LEDs. The XRD and SEM measurements showed the R-FAU/Ag (R = Li, Na, K) zeolites have high crystallinity and a size distribution of 0.7–1.25 μm. Under excitations of 310–330 nm ultraviolet radiation, Li-FAU/Ag, Na-FAU/Ag, and K-FAU/Ag exhibit monotonically declining emission intensities and red-shifted emissions with peak wavelengths of 520, 527, and 535 nm, respectively. By using silicone-based epoxy resin as the packaging material, a series of LEDs were fabricated by mixing R-FAU/Ag (R = Li, Na, K) phosphors. It is indicated that the Li-FAU/Ag-LED shows the strongest intensity of 94.9 mcd, much higher than that of the LEDs made from Na-FAU/Ag (63.7 mcd) and K-FAU/Ag (74.2 mcd) phosphors. Additionally, the chromaticity coordinate of the Li-FAU/Ag-LED is located at (0.2651, 0.4073) and has a high color temperature of 7873 K. Thermal test data showed that upon heating to 440 K, the intensities of R-FAU/Ag (R = Li, Na, K) LEDs decreased to 81%, 79%, and 75% of their initial intensities measured at 280 K, respectively. This research proposes a method for regulating the luminescent properties of silver nanoclusters in FAU zeolite by modifying the extra-framework cations and demonstrates excellent performance in LED products.
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Journal of Water Process Engineering
·
2025
·
IF 6.7
Rana Mohsin Ali,Jie Wang,Tianhong Zhou,Yue Tian,Muhammad Usman,Hamza Khaliq,Muhammad Adnan,Zunaira Nasir,Ghulam Abbas Ashraf,Yusuke Yamauchi
To enhance the photocatalytic degradation of organic pollutants in peroxymonosulfate (PMS)-based systems, constructing heterojunctions by combining multiple semiconductors has proven more effective than single-component catalysts. In this study, a SnBi@ZrC nanocomposite was synthesized via a hydrothermal method and employed as a visible-light-responsive photocatalyst for PMS activation to degrade Rhodamine B (RhB). Optimal degradation was achieved at neutral pH using 0.45 g L −1 PMS and 0.3 g L −1 SnBi@ZrC, resulting in 98.12 % RhB removal within 20 min, with a reaction rate constant of 0.198 min −1 . Compared to pristine ZrC, the SnBi@ZrC heterojunction exhibited superior photocatalytic activity, attributed to its larger surface area (38.24 m 2 g −1 ), mesoporous structure (12.83 nm), and narrower band gap (1.63 eV), which collectively enhanced light absorption and charge separation. Reactive species quenching experiments confirmed the involvement of SO 4 •− , • OH, O 2 •− , and h + in the degradation process. The SnBi@ZrC catalyst also demonstrated excellent stability and reusability across four successive cycles. Based on experimental results, a possible degradation pathway and mechanism were proposed. These findings suggest that SnBi@ZrC nanocomposites hold significant promise for practical applications in wastewater treatment, particularly for the removal of dye-based and other organic contaminants under visible-light irradiation.
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Journal of Energy Chemistry
·
2025
·
IF 14.9
Shijie Yang,Guangbin Zhang,Zijie Lin,Zhihuan Li,Min Wang,Sheng Wang,Yuhui Sun,Zhongwei Yu,Pei Zhang,Linjiao Ren,Liying Jiang,Xiaoying Song,Yalong Zhao,Changshun Wang,Jing Wu,Linglong Zhang,Hucheng Song,Jun Xu
Lithium-carbon dioxide (Li-CO 2 ) batteries using high ion-conductive inorganic molten salt electrolytes have recently attracted much attention due to the high energy density and potential application of carbon neutrality. However, the poor Li-ion conductivity of the molten-salt electrolytes at room temperature (RT) makes these batteries lose most of their capacity and power as the temperature falls below 80 ℃. Here, inspired by the greenhouse effect, we report an RT molten salt Li-CO 2 battery where solar energy can be efficiently harvested and converted into heat that is further localized on the cathode consisting of plasmonic ruthenium (Ru) catalysts and Li 2 CO 3 -based products via a greenhouse-like phenomenon. As a result, the solar-driven molten salt Li-CO 2 battery demonstrates a larger full discharge/charge capacity of 9.5 mA h/8.1 mA h, and a longer cycle lifespan of 250 cycles at 500 mA/g with a limited capacity of 500 mA h/g at RT than the molten salt Li-CO 2 battery at 130 ℃. Notably, the average temperature of the cathode increases by 8 °C after discharge to 0.75 mA h, which indicates the infrared radiation from Ru catalysts can be effectively suppressed by discharged Li 2 CO 3 -based products. This battery technology paves the way for developing low-temperature molten salt energy storage devices.
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MOLECULES
·
2025
·Vol. 30
·期 11
·2333
·
IF 4.6
Shuxin Tang,Yating Zhang,Jun Xia,Jing Qi,Fan Tang,Fei Zhai,Liqi Dong
The development of photoactive molecules for photothermal energy storage is a focus of research in solar energy utilization technology. Azobenzene photoswitch has emerged as a promising candidate for solar energy conversion and storage due to its unique photoisomerization characteristics. Nonetheless, a majority of azobenzene-based molecular photothermal systems have a significant drawback: they depend on ultraviolet light forE-to-Zisomerization to store photon energy rather than visible light, which seriously hinders the development of azobenzene photoswitch in practical solar energy utilization applications. In this study, an azobenzene photothermal molecule that can effectively store visible-light photon energy was design and synthesized, which includes atetra-ortho-chlorinated azo structure as the “head” part and an alkyl chain atpara-position as the “tail” part. The ultraviolet–visible and1H NMR spectrum indicated that the obtainedtetra-ortho-chlorinated azobenzene photothermal molecule could effectively absorb and store photon energy under 550 nm irradiation and release the stored energy upon 430 nm light irradiation. The storage energy density of the charged azobenzene photothermal molecule was determined to be 13.50 kJ/mol through differential scanning calorimetry and 28.21 kJ/mol via density functional theory theoretical calculations. This discrepancy was ascribed to the 64% Z-isomer yield harvesting during the charging process. Furthermore, the obtainedtetra-ortho-chlorinated azobenzene exhibited long-term energy storage (approximately 11 days of half-life) and cyclic stability (100 cycles). Notably, theE-isomer oftetra-ortho-chlorinated azobenzene exhibited a high degree of supercooling, which may be advantageous for use in extremely low-temperature environments.
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PubMed
高影响因子
Journal of Materials Chemistry A
·
2025
·
IF 9.5
Shafique Shareen,Haodong Wang,Yuheng Wang,Akeel Qadir,Taimoor Iqbal,Cheng Yang,Feiyu Zhao,Zhenfu Zhao,Muhammad Sulaman,Fei Zheng,Xu Wang,Ziyang Hu
The realization of high-speed optical communication and sensitive light detection with self-powered perovskite photodetectors (PDs) is imperative for advancing AI-driven optoelectronic systems, including visible light communication (VLC), surveillance, and environmental monitoring, necessitating exceptional detectivity and ultrafast response. Herein, we introduce a 2D synergy strategy employing Ti3C2Tx MXene to simultaneously enhance charge carrier transport, suppress defect states, and improve film morphology in perovskite films via percolation networks and surface passivation. The resultant self-powered perovskite PD achieves a dark current density of 1.46 × 10⁻10 A/cm², detectivity of 6.59 × 1012 Jones, a linear dynamic range exceeding 181 dB, and ultrafast response times (rise: 1.07 µs, fall: 0.74 µs), alongside robust stability with negligible degradation over continuous cycles. This work demonstrates integration of the optimized PD into an optical communication system, enabling ASCII-encoded signal reception across 460-730 nm and a sensitive light detection setup for low-light applications. Significantly, the optimized PD propels the advent of energy-efficient, high-speed optoelectronics, fostering unprecedented opportunities in AI-driven technologies.
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Small
·
2025
·
IF 12.1
Xiaobo Han,Hengbin Zhao,Huixuan Wang,Qingchun Wang,Fei Ruan,Weixiang Shang,Jinxiao Bao,Yuwei Ma
The construction of step-scheme (S-scheme) heterojunctions by integrating single-component semiconductors with strategic cocatalyst loading facilitates enhanced charge transfer, improving visible-light-driven photocatalytic hydrogen evolution efficiency. In this work, In 2 O 3 /CdS/NiSe 2 and In 2 O 3 /NiSe 2 /CdS heterostructures are synthesized through sequential deposition of CdS and NiSe 2 onto In 2 O 3 nanosheets with different loading orders. Combined analysis using in situ irradiated X-ray photoelectron spectroscopy and electron paramagnetic resonance (EPR) confirms the S-scheme charge transfer pathway in both In 2 O 3 /CdS and In 2 O 3 /NiSe 2 /CdS systems. The results show that the In 2 O 3 /CdS/NiSe 2 heterostructure exhibits three charge transfer pathways, while In 2 O 3 /NiSe 2 /CdS possesses only one. Charge density difference analysis and photoelectrochemical measurements indicate that, compared to In 2 O 3 /NiSe 2 /CdS, the multiple charge transfer pathways in In 2 O 3 /CdS/NiSe 2 significantly enhance photoinduced electron migration efficiency. According to Gibbs free energy calculations, Ni in In 2 O 3 /CdS/NiSe 2 resides at the outermost layer and exhibits the weakest hydrogen adsorption free energy, enabling it to serve as an additional active site that facilitates hydrogen desorption and enhances hydrogen evolution activity. Owing to these synergistic effects, the In 2 O 3 /0.8CdS/NiSe 2 -5 photocatalyst achieves a hydrogen evolution rate of 16,797.1 µmol g −1 under visible light-nearly four times higher than that of In 2 O 3 /NiSe 2 -5/0.8CdS (3,902.4 µmol g −1 ). This study offers theoretical and practical guidance for designing ternary heterojunctions with efficient multiple charge transfer pathways.
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高影响因子
PLANT MOLECULAR BIOLOGY
·
2025
·Vol. 115
·期 2
·1-13
·
IF 3.8
Liu Yitong,Liu Shuangrong,Jing Yanjun,Li Jialong,Lin Rongcheng
Seed dormancy enables plants to delay germination until conditions are favorable for the survival of the next generation. Seed dormancy and germination are controlled by a combination of external and internal signals, in which light and ethylene act as critical regulators. However, how light and ethylene are interlinked to control these two processes remains to be investigated. Here, we show that ethylene and its precursor, 1-aminocyclopropane-1-carboxylic acid (ACC), promote seed germination under light. Light facilitates the conversion of ACC to ethylene, in which phytochrome B (phyB) and FAR-RED ELONGATED HYPOCOTYL3 (FHY3) are functionally required. ACC oxidases (ACOs) catalyze the conversion of ACC to ethylene, among which ACO1 is specifically and predominantly expressed in imbibed seeds. Ethylene induces FHY3 protein accumulation in imbibed seeds, whereby FHY3 directly binds to ACO1 promoter and specifically mediates light-promoted ACO1 expression. Light promotes ACO1 protein accumulation. Overexpression of ACO1 significantly promotes seed germination, and almost completely restores the dormant defect of fhy3 loss-of-function mutants. In summary, this study reveals an ethylene-responsive regulatory cascade of phyB-FHY3-ACO1 that integrates external light input with internal factors to regulate seed dormancy and germination.
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高影响因子
ACS Applied Electronic Materials
·
2025
·
IF 4.7
Wenda Zhang,Xijian Duan,Lei Chen,Kai Wang,Yujie Song,Weigao Wang,Xiao Wei Sun
Red, green, and sky-blue InP quantum dots (QDs) are currently bridging the gap with CdSe-based QDs in terms of the photoluminescence quantum yields (PLQY). However, the sensitivity of InP QDs to water and oxygen, coupled with the increased specific surface area of smaller pure-blue and deep-blue QDs, leads to diminished PLQY, consequently restricting the fabrication of highly efficient blue InP quantum dot light-emitting diodes (QLEDs). Here, high-temperature nucleation is utilized to produce highly crystalline InP cores, followed by low-temperature HF etching. This dual-treatment method simultaneously addresses surface phosphate defects and diminishes QD size, ultimately yielding pure-blue InP QDs with a PLQY of 73% at 466 nm and deep-blue InP QDs with a PLQY of 52% at 451 nm. Notably, by fine-tuning the HF dosage, 421 nm deep-blue InP QDs, representing the shortest wavelength to date, were successfully prepared. Additionally, enhancing carrier injection efficiency was achieved by replacing long-chain 1-dodecanethiol (DDT) ligands with short-chain 1-octanethiol (OT) ligands through ligand exchange. QLEDs exhibited an external quantum efficiency of 0.8% with an emission wavelength of 468 nm, providing a perspective for the fabrication of InP blue QLEDs via this etching technique.
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