OPTICAL MATERIALS
·
2026
·
IF 4.3
Yanqing Wang,Dongchen Guo,Zhiping Fang,Min Fan,Zhenhao Yan,Fuling Guo,Wangchao Chen,Yuan Gao,Tongqi Ye,Chengwu Shi
Antimony sulfide (Sb 2 S 3 ) is a promising absorber for photovoltaics operating under both outdoor and indoor illumination due to its suitable bandgap and excellent photostability. However, during chemical bath deposition, the unsynchronized hydrolysis and sulfidation of Sb 3+ species induce excessive homogeneous nucleation, leading to amorphous particles and ultimately films with small grains, high grain boundary density, and low crystallinity. To address this issue, an rGO-regulated deposition strategy is developed. The oxygen-containing functional groups on rGO can interact with Sb 3+ species through coordination and electrostatic interactions, thereby modulating their local availability and reaction kinetics. This suppresses homogeneous nucleation and promotes substrate-guided growth, yielding Sb 2 S 3 films with [ hk 1] preferred orientation, enlarged grains, reduced defects, and improved carrier transport. As a result, the photovoltaic device with rGO-regulated achieves a PCE of 7.61% under AM 1.5G illumination (compared to 7.15% for the conventional CBD device) and 17.64% under 3000 K, 1000 lux warm white LED illumination. This work highlights Sb 2 S 3 as a versatile absorber for outdoor–indoor photovoltaics and provides a pathway for regulating solution-phase crystallization.
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MATERIALS LETTERS
·
2026
·
IF 2.6
Xianjie Liu,Sijun Huang,Zhongzhi Yang,Jing Zhang,Qiuquan Zhang
Goose eggshell membrane (GESM) was taken as a flexible base material, residual egg white taken as a binder, and rGO taken as the thermo-sensitive component. Therefore, a high-sensitivity flexible temperature sensor is constructed by a simple coating method. This sensor displays an excellent flexibility. Its tensile strength is got an enhancement of 13.4% when compared with original GESM. This device gives a high temperature coefficient of resistance ( TCR ) which is −1.09%/°C, good linear property ( R 2 = 0.985), and a quick response time of 6–10 s. This sensor can keep its steady working condition after ten cold-heat change circles (25 and 46 °C), and it also can do this under repeated bendings with many different angles. This sensor holds significant potential for temperature monitoring applications.
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ACS ES&T Engineering
·
2026
·
IF 6.3
Shen Xiaotie,Li Ruiyi,Chen Baoliang,Zhu Xiaoying
The degradation of perfluorooctanoic acid (PFOA) remained
challenging
due to the extraordinary stability of its carbon–fluorine bonds,
which were resistant to conventional photocatalytic processes. In
this work, a metal–organic framework (MOF), MIL-125-NH 2 , was grown in situ on reduced graphene oxide (rGO) to form
nanocomposites (RMGs), enabling rapid PFOA degradation via an integrated
dual-redox pathway without the addition of sacrificial agents. Under
UV irradiation, the RMG composite achieved an 80.2% degradation of
PFOA (20 mg L –1 ) within 4 h, corresponding to an
apparent rate constant of 0.405 h –1 , and exhibited
competitive degradation productivity among reported photocatalytic
systems operating without external oxidants or sacrificial agents.
PFOA degradation exhibited pronounced pH dependence with the RMG composite
delivering optimal performance at pH 5. Moreover, the RMG catalyst
showed excellent stability and reusability. In natural water matrices,
the RMG composite achieved approximately 70% PFOA degradation within
10 h. The MOF/rGO heterojunction promoted directional charge separation,
enabling photogenerated holes to trigger carbon–carbon bond
cleavage and stepwise shortening of perfluorinated intermediates,
while electrons were efficiently transferred to PFOA to induce hydrogen–fluorine
atom exchange. Overall, this study highlights the pivotal role of
synergistic redox integration in enabling efficient PFOA remediation
in aqueous systems.
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VACUUM
·
2026
·
IF 4.3
Xiaoqian Shi,Zhongxi Yang,Miao Liu,Peng Song
Two-dimensional layered materials are prone to interlayer stacking in gas sensing applications, leading to a reduction in specific surface area, slow gas diffusion, and inadequate response performance at room temperature. To address these issues, this study employed a combined hydrothermal reduction and freeze-drying method to prepare 3D rGO/MXene/In 2 O 3 composite aerogels, and systematically investigated their microstructure, pore structure, surface chemistry, and formaldehyde sensing behaviour at room temperature. The results indicate that this composite material possesses a continuous, interconnected three-dimensional porous network structure and a high specific surface area (282.78 m 2 /g), which effectively exposes active sites and accelerates gas transport. First-principles calculations confirm the presence of significant interfacial electronic interactions between the multiple components. Under room-temperature testing conditions, the aerogel-based sensor demonstrated a rapid response recovery time (6/8 s) and high formaldehyde response sensitivity (50 ppm, 26.9%), providing an experimental foundation and material design reference for the development of novel room-temperature rapid gas sensors.
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JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2026
·Vol. 37
·期 13
·978
·
IF 3.2
Li Xiongbin,Zhou Yuqiao,Tang Xiu-Zhi,Zhang Hong,Li Hengfeng
The aerospace, military stealth, and 5G communication fields have raised new requirements for multifunctional materials. In this study, a rigid MWCNT/Co@C/rGO/PMI composite foam (MCGP) was prepared using a UV light-initiated in-situ copolymerization hot air foaming method. The sandwich structure of MOF-GO-MOF, after calcination, achieved a uniform dispersion of magnetic Co particles and formed rich hetero interfaces. The 0D Co@C, 1D MWCNT, and 2D rGO formed a multi-dimensional filler system, and the magnetic-electrical synergy and isotropy bubble structure jointly optimized the impedance matching, and multiple loss mechanisms enhanced the absorbing performance. The results showed that M20C20/PMI achieved a RL value of -68.26 dB at a frequency of 8.92 GHz and a thickness of 40mm, and the EAB covered the full frequency band of 2—18 GHz. The RCS value of M25C15/PMI reached a minimum of -45.82 dB·m 2 . Notably, by carefully adjusting the proportion of fillers, the five MCGP composite foams prepared in this study all had a minimum RL value of < -55 dB, basically meeting the requirements of each absorption frequency band. In addition, the MCGP composite foams are lightweight (28.30 kg/m 3 ), have high strength (0.50 MPa), heat insulation (0.02856 W/(m·K)), and infrared stealth characteristics, making them promising as a new generation of integrated structural–functional protective materials.
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DIAMOND AND RELATED MATERIALS
·
2026
·
IF 5.2
Guangli Li,Rui Zhu,Gexin Liu,Zian Liu,Yafeng Zhang,Nanke Ma,Yuan Jin,Xiaoxi Zeng
An efficient electrochemical platform for determination of Gatifloxacin. • ZrMo 2 O 8 /rGO demonstrated remarkably synergistic effect toward Gatifloxacin. • Wide response range (0.1–10 μM), low LOD (0.02 μM) and good stability (10 d). • High sensitivity in the detection of Gatifloxacin in tap water and honey. Although antibiotics such as Gatifloxacin (GAT) offer therapeutic benefits, their potential adverse effects on human health necessitate the development of highly sensitive and selective detection methods. Here, we report a novel electrochemical sensor for trace GAT detection in complex matrices, fabricated by integrating bimetallic oxide zirconium molybdate (ZrMo 2 O 8 ) nanoparticles with reduced graphene oxide (rGO) nanosheets. The synergistic combination of ZrMo 2 O 8 nanoparticles, a bimetallic oxide with superior electrocatalytic activity, and rGO nanosheets, which provides an exceptionally high specific surface area and electrical conductivity, enables high-performance GAT sensing. Under optimized conditions, the ZrMo 2 O 8 /rGO modified glassy carbon electrode (ZrMo 2 O 8 /rGO/GCE) demonstrated a wide linear range (0.1–15 μM), a low limit of detection (0.02 μM) and high sensitivity (7.040 μA μM −1 ). The ZrMo 2 O 8 /rGO/GCE also exhibited excellent repeatability, reproducibility, and remarkable anti-interference capability even in the presence of excess interfering substances. Notably, the ZrMo 2 O 8 /rGO/GCE maintained comparable sensing performance in real-world samples (tap water and honey), achieving recoveries of 98.40%–105.0% and highly consistent sensitivity with PBS buffer. This work presents a cost-effective, rapid-response, and highly sensitive electrochemical platform for trace GAT detection in complex samples, with promising applications in environmental and food safety monitoring. A highly efficient electrochemical sensing platform was developed for the detection of trace Gatifloxacin residues in tap water and honey, based on bimetallic oxide ZrMo 2 O 8 nanoparticles integrated with reduced graphene oxide (rGO) nanosheets. Download: Download high-res image (102KB) Download: Download full-size image
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JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2025
·Vol. 36
·期 16
·967
·
IF 2.8
Zhang Qi,Wang Qing,Dai Jianfeng
ZnCo 2 O 4 is considered a highly promising anode material for lithium-ion batteries (LIBs), attributed to its impressive capacity and excellent electrochemical characteristics. However, its practical application is constrained by significant volume expansion during repeated charge–discharge cycles, leading to structural instability and performance degradation over time. To address this challenge, a composite material consisting of reduced graphene oxide (rGO) coating the exterior of ZnCo 2 O 4 microspheres (denoted as ZCO@r-3) was designed and synthesized in this study, making it an anode material with high cycling stability for LIBs. This design aims to increase the structural stability and electrochemical properties through the effective incorporation of rGO, mitigating volume expansion during redox reactions when redox reactions occur. In this composite structure, rGO serves as a conductive network that significantly enhances ion diffusion, while its excellent mechanical properties help mitigate the volume expansion of ZnCo 2 O 4 during redox reactions. This dual action of rGO not only strengthens the structural stability of ZnCo 2 O 4 microspheres but also enhances their electrochemical performance, providing an effective and practical solution. As expected, the ZCO@r-3 composite exhibited an initial discharge capacity of 1582.1 mAh g −1 in the first cycle and initial reversible specific capacity of 1087.9 mAh g −1 after the second cycle at 0.1 A g −1 . Even after 500 charge/discharge cycles under the same conditions, the composites maintained a reversible capacity of 966.7 mAh g −1 . This demonstrates exceptional cycling stability, validating the effectiveness of the rGO coating in enhancing the material's long-term performance. This confirms that the method proposed in this study effectively addresses the volume expansion issue of ZnCo 2 O 4 .
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MICROCHEMICAL JOURNAL
·
2026
·
IF 5.1
Xuan Weng,Guanbo Wang,Ming Li,Hai Jiang
Many electrochemical glucose sensors rely on enzymatic catalysts such as glucose oxidase (GOx). However, such enzyme-based sensors are susceptible to environmental perturbations, which can compromise sensitivity and measurement reproducibility. Here, we report a flexible, enzyme-free sweat-glucose sensor for wearable diagnostic systems by co-depositing hydrothermally prepared zinc oxide–cerium oxide/reduced graphene oxide (ZnO–CeO 2 /rGO) nanocomposites onto laser-scribed graphene electrodes (LSGE) patterned on polyimide (PI) films. Scanning electron microscope (SEM), X-ray diffraction (XRD), UV–vis spectroscopy, and Raman spectroscopy verified the formation and structural integrity of the hybrid nanocomposite. The electrochemical characterization, cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS), indicated accelerated charge transfer after modification. Under optimized conditions, the biosensor quantified sweat glucose over 0.01–3.0 mM with a sensitivity of 32.5 μA·mM −1 cm −2 and a low detection limit of 14 μM. Proof-of-concept measurements on volunteers before and after meals further supported its feasibility for wearable and personalized healthcare diagnostics.
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CHEMICAL ENGINEERING JOURNAL
·
2019
·
IF 8.355
Wei Huang,Lin Zhang,Xuejun Lai,Hongqiang Li,Xingrong Zeng
With the increasing occurrences of industrial oily wastewater emissions and crude oil spills, the deteriorated global environment and ecosystems have attracted a great deal of attention worldwide. Herein we report a highly hydrophobic balsa wood sponge wrapped with fluoroalkyl silane modified reduced graphene oxide (F-rGO@WS) for efficient clean-up of all kinds of oils including viscous crude oil from water. The F-rGO@WS possessed excellent water repellency with a water contact angle of 145°. Owing to high hydrophobicity and longitudinal channels, the F-rGO@WS was successfully applied for separating oil-water mixtures, and the separation efficiency reached 99.0%. Furthermore, the F-rGO@WS also possessed quick electrothermal capability and could be utilized as a filter to efficiently separate viscous crude oil from water by means of the generated Joule heat under a low voltage, and the separation rate was about 10 times higher than that without voltage. Our findings stand out a new tool to fabricate functional natural materials and exhibit great potential in practical applications such as water pollution control and clean-up of viscous crude oil.
研究领域:
环境科学
·
材料科学
·
溢油修复
·
纳米材料
·
水污染控制
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Desalination and Water Treatment
·
2024
·
IF 1
Mengyao Luo,Xue Sun,Tingting Jiao,Q. Guangzhou
A simple hydrothermal method was employed to synthesize BiVO 4 supported on reduced graphene oxide (BiVO 4 /RGO) composite photocatalyst to enhance photocatalytic activity of BiVO 4 for degradation of dye wastewater under visible light. The prepared photocatalysts were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, UV-Vis DRS and photocurrent measurements. The photocatalytic performances of the BiVO 4 /RGO composite were evaluated by degradation of Orange II (AO7) under visible light irradiation (λ > 420 nm). A series of experiments were carried out to evaluate the effects of various factors on removal efficiency of AO7. The results show that the BiVO 4 /RGO composite exhibited much higher photocatalytic activity than pure BiVO 4 . The highest removal efficiency of AO7 was obtained, and reach 100% after 150 min when the doping content, pH value, catalyst dosage was GB30 (30 mg of GO corresponds to 1 mmol of BiVO 4 ), pH = 9 and 200 mg, respectively. The free radical trapping experiments show that • O 2 - played the most important role in the degradation of AO7. The enhanced catalytic activity of the BiVO 4 /RGO composite can be attributed to the RGO. As an electron acceptor and transporter, RGO can effectively promote charge transfer in composite and inhibit the recombination of photo-induced electron-hole pairs.
研究领域:
材料科学
·
环境化学
·
光催化
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Surfaces and Interfaces
·
2022
·
IF 6.137
Zhong Zhao,Changwang Yan,Daiqi Li,Xiaoning Tang,Jianhua Ran,Shuguang Bi,Deshan Cheng,Guangming Cai,Xin Wang
The inevitable oxidation of metal layer deposited on substrates is a nonnegligible issue when developing functional textiles. In this study, were on the surface of to form a metallic Cu layer, and graphene (GO) sheets were spray-coated onto an in-situ grown copper nanoparticle (Cu NP) layer on a nylon knitted fabric (NKF) to prevent the oxidation of copper. In addition, a synergistic effect on further enhancing the electrical conduction capacity was realized by the hydrothermal reduction of the GO sheets using L-ascorbic acid (L-AA). The morphology, chemical composition and structure of the NKFs were characterized by SEM, FTIR, XRD and XPS , respectively. The novel rGO/Cu@NKF architecture enabled the fabric prospects of promising action sensing capability as reflected by the repeated ΔR/R 0 peaks recorded in action sensing during real running exercises. The mechanism of sensing and the responsiveness together with the stability of the sensors were investigated. The rGO/Cu@NKF also showed efficient electrothermal performance as evidenced by a maximum surface temperature of 95.0°C after 120 s into the charging process at 15 V. These results demonstrated the potential of the rGO/Cu@NKF in smart textiles with action sensing and heating functions.
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CERAMICS INTERNATIONAL
·
2022
·
IF 5.532
Jiayi Wang,Chunhao Wan,Qi Tang,Jian Xu,Nianxi Xu,Shansheng Yu,Xiaoyi Wang,Hongwei Tian
Due to the harmful influence of electromagnetic waves, electromagnetic absorption materials are being actively pursued. Herein, a one-step hydrothermal method is used to synthesize rGO/Al/CoFe 2 O 4 composites with different amounts of CoFe 2 O 4 , and their electromagnetic properties and infrared emissivity are studied in detail. The results reveal that the rGO/Al/CoFe 2 O 4 composite with a CoFe 2 O 4 content of 0.06 g possesses a minimum reflection loss (RL min ) of −68.03 dB at 15.5 GHz at a thickness of 1.38 mm, while the effective absorption broadband (EAB) and infrared emissivity are found to be 3.3 GHz and 0.63, respectively. Hence, the as-designed rGO/Al/CoFe 2 O 4 composites can be used for both wave absorption and low-infrared emissivity fields, and the proposed strategy is an effective solution for designing bifunctional wave absorption materials.
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