JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2020
·Vol. 31
·期 4
·3603-3612
·
IF 2.22
Yang Hao,Liu Nan,Ran Meiqing,He Zhiyuan,Meng Rangwei,Chen Mengwei,Lu Haifei,Yang Yingping
In this study, the graphene oxide (GO)-TiO 2 nanocomposite film prepared by the sol–gel method was used to optimize the photoelectric performance of the perovskite solar cells (PSCs), which structure is based on the carbon electrode and no hole transport layer. Through a series of scientific experiments, it has been proved that the GO–TiO 2 nanocomposite film has excellent electrical properties. The electron transport layer which containing 1 wt% of GO makes the PSCs have the most excellent performance. Compared with the controlling PSCs, the photoelectric conversion efficiency of PSCs, which containing 1 wt% GO, increased by 9.3%, from 12.44 to 13.60%. Short-circuit current density (Jsc) increased by 5.99%, from 21.55 to 22.84 mA/cm 2 , and open circuit voltage remained basically unchanged. It can be seen from the measurement results that the trend of incident photon-to-electron conversion efficiency spectrum is consistent with J – V characteristics, indicating that the PSCs device containing 1 wt% GO has the best electron extraction and transfer performance. However, when too much GO is used, the increased surface charge trap state will lead to the acceleration of carrier recombination and the decrease of electron transport path, and the photovoltaic parameters show a downward trend.
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高影响因子
MICROCHIMICA ACTA
·
2020
·Vol. 187
·期 8
·1-9
·
IF 6.232
Wei Yu-ping,Zhang Yi-wen,Chen Jing-Shuai,Mao Chang-jie,Jin Bao-Kang
An ultrasensitive electrochemiluminescence biosensor was established based on the Zn-MOF/GO nanocomposite. Ag(I)-embedded DNA complexes were used as a signal amplification reagent. In this work, 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin (TCPP) and Zn 2+ were integrated into a porphyrin paddlewheel framework (Zn-MOF) by a hydrothermal method. The synthesized Zn-MOF material has electrochemiluminescence property, and the luminescence intensity is improved after being composited with graphene oxide (GO). Based on the composite material, we constructed an ultrasensitive ECL biosensor for the p53 antibody detection. The composite material acted as an admirable substrate and then loaded plenty of p53 antigens to recognize the target (p53 antibody) accurately. Because of the bridging effect of streptavidin and biotin-conjugated goat anti-rabbit IgG (bio-ab2), the rich-C DNA with positive correlation with the target was modified on the electrode and then captured the co-reactant accelerator Ag + to amplify the signal. Therefore, the ECL biosensor response increases with increasing p53 antibody concentration. In the range 0.1 fg/mL–0.01 ng/mL, the response signal of the biosensor has a good linear relationship with the p53 antibody concentration. The detection limit is 0.03 fg/mL (S/ N = 3). Impressively, the biosensor not only featured high sensitivity, good stability, and excellent specificity for the detection of p53 antibody, but also provides a new way for early detection of cancer.
Schematic representation of the electrochemiluminescence sensor based on a Zn-MOF/GO nanocomposite, which can be applied to the determination of p53 antibody.
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高影响因子
JOURNAL OF MEMBRANE SCIENCE
·
2019
·
IF 7.015
Yanqing Xu,Guibin Peng,Junbin Liao,Jiangnan Shen,Congjie Gao
The state-of-the-art graphene oxide (GO) has been wildly used in water purification due to its tunable nanoscale interlayer between the two-dimensional nanosheets . However, the structural instability and flux decline performances significantly limit the practical application of GO-based membranes. Herein, a novel GO/DTiO 2 -PDA-PEI (dopamine modified TiO 2 ) composite nanofiltration membrane has been prepared via a multi-coupled strategy, combining with the self-assembly, copolymerization and surface grafting. Tuning the nanoscale interspace between the GO nanosheets , and constructing the membrane with positively charged surface and negatively charged subsurface, the loose GO/DTiO 2 -PDA-PEI composite nanofiltration membrane (GDP 1 P 2 -0.6 membrane with a mean pore size = 0.87 nm) show the filtration performance with water permeance as high as 41.6 L m −2 h −1 bar −1 and dye rejection around 99.9%, and the molecular selective factor (Eriochrome black T/Na 2 SO 4 ) of α = 47.6. Long-term performance and stimulation have been investigated to further analyze the dye concentration and salt removing. The investigations demonstrate that the GO/DTiO 2 -PDA-PEI composite nanofiltration membrane enriches 14.9-fold Eriochrome black T (ET) and reduces Na 2 SO 4 to 0.36% in the term of the concentration factor 15 and batch diafiltration factor 5.
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INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
·
2019
·
IF 3.375
Yan Liu,Jianyi Liu,Yinhua Jiang,Minjia Meng,Liang Ni,Hengli Qiu,Rongguang Yang,Zhanchao Liu,Hongwei Liu
A novel graphene oxide–silica (GO–SiO2)-embedded polyamide nanofiltration (NF) membrane was successfully constructed by the interfacial polymerization reaction between piperazine (PIP) and trimesoyl chloride on the surface of a polysulfone (PSF) microporous support. In order to improve the water flux and enhance the antifouling property, GO–SiO2 nanocomposites were dispersed in PIP solution. Scanning electron microscopy (SEM), atomic force microscopy (AFM), and water contact angle were used to characterize the prepared membranes. The results showed that the surface properties of nanocomposite NF (TFN-NF) thin films had the tendency of more hydrophilicity and smoothness. The surface contact angle (53.7°) and surface roughness (Ra = 5.68, Ra = 7.06) of the TFN-NF membrane containing 0.01 wt % GO–SiO2 were the lowest. Furthermore, 0.01 wt % GO–SiO2/TFN showed the superior separation performance that the water flux was 43.55 L m–2 h–1 and salt rejection for NaCl, Na2SO4, MgSO4 were 40.7, 93.2, 82.4%, respectively. Also, the separation performance of the TFN-NF membrane containing 0.01 wt % GO–SiO2 was further compared with other TFN-NF membranes prepared by previous studies. Besides, after filtration of bovine serum albumin solution, the normalization of the flux of the TFN-NF membranes is 0.83, which has an improvement of 23.88% when compared with that of the bare NF membrane. The result above indicates that the modified membrane shows a better antifouling property than the TFC-NF membrane.
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高影响因子
IONICS
·
2024
·Vol. 30
·期 3
·1723-1733
·
IF 2.4
Zhao Ji-wei,Wei Zhi-qiang,Wang Can,Zhou Mei-pan,Lu Cheng-gong
The Co-based organic skeleton was combined with graphene oxide (GO) as a precursor, Ni 2+ hydrolysis etching was introduced, and finally, NiCo-LDH/GO was obtained. The final composite electrode material NiCo 2 S 4 /rGO was obtained by high-temperature vulcanization. The introduction of MOFs and rGO significantly increased the specific surface area of the material and made it have excellent electrochemical properties. The specific capacitance of the composite NiCo 2 S 4 /20rGO reaches an astonishing 272.5 mAh g −1 when the current density is 1 A g −1 . In addition, at a large current of 10 A g −1 , the specific capacitance of the material can also reach 139.5 mAh g −1 , and after a long cycle of 5000 cycles at such a current density, the capacity remains at the original 73.2%. With NiCo 2 S 4 /20rGO electrode material as the positive electrode and activated carbon as the negative electrode, the hybrid supercapacitor is assembled. At an energy density of 56.9 Wh kg −1 , its power density reaches an excellent 799 W kg −1 , and it still has a capacity retention rate of 74% at a current density of 10 A g −1 . The excellent properties of composites demonstrated in this work open up new possibilities for high-quality energy storage devices.
研究领域:
材料科学
·
电化学
·
储能
·
纳米技术
·
无机化学
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ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
·
2024
·Vol. 31
·期 32
·44759-44769
·
IF 0
Wu Rui,Song Xi,Tian Guanghui
Highly active Fe 3 O 4 /GO/Au composite nanomaterial was fabricated as a substrate of surface-enhanced Raman spectroscopy (SERS) and applied for pesticide residue detection. The three-layer multifunctional Fe 3 O 4 /GO/Au nanoparticles (NPs) were designed by facile method, with high hotspots, and were characterized by various techniques, including ultraviolet spectrophotometry (UV), X-ray diffraction (XRD), infrared absorption spectrometer (IR), and transmission electron microscopy (TEM). The performance of Fe 3 O 4 /GO/Au was evaluated by Raman spectroscopy with R6G as a probe molecule to verify its enhancement effect. It exhibited a strong Raman signal with 10 −6 M of R6G. Furthermore, the presence of Fe 3 O 4 /GO/Au nanohybrid enabled the SERS-based method to detect mancozeb and showed an excellent linear relationship in the range of 0.25–25 ppm, with a low limit of detection (0.077 ppm), satisfactory EF, stability, and repeatability. In addition, the mechanism of SERS enhancement with electromagnetic mechanism (EM) and chemical mechanism (CM) was discussed in detail. Therefore, the proposed SERS approach holds promise as an auxiliary technique for screening contaminated agricultural products, environmental sample, and food in the future.
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PubMed
JOURNAL OF APPLIED POLYMER SCIENCE
·
2026
·
IF 3.1
Xiaolin Qiu,Xiaojing Chen,Ziqian Ding,Lingli Gu
To overcome the intrinsic limitations of polymer-based phase change gels, including low thermal conductivity, supercooling, and insufficient mechanical robustness, self-healing hydrogel-based form-stable phase change materials (FPCMs) were designed by in situ polymerization of graphene oxide (GO)- or aluminum oxide (Al 2 O 3 )-enhanced 1-ethyl-3-methylimidazolium tetrafluoroborate ([Emim][BF 4 ]) nanofluids within a dynamic poly(N-isopropylacrylamide-co-UPyMA) network. The incorporation of quadruple hydrogen-bonding UPy motifs endowed the polymer network with intrinsic self-healing capability and mechanical adaptability. Uniformly dispersed GO and Al 2 O 3 nanofillers significantly enhanced heat transport and crystallization behavior. At optimized loadings, the nanofluids exhibited markedly suppressed supercooling, and the phase transition temperature of the FPCMs could be effectively tuned by adjusting ionic liquid content, with melting point shifts exceeding 5°C. GO-based FPCMs completely eliminated supercooling, while Al 2 O 3 -based systems achieved an over 85% reduction. High latent heat values above 230 J/g were retained, together with thermal conductivity enhancements exceeding 140% compared to the neat ionic liquid. Benefiting from the dynamic polymer network, the FPCMs showed excellent self-healing performance, with strength recovery exceeding 80% and good durability upon repeated damage–healing cycles. This work highlights a polymer network engineering strategy for constructing multifunctional FPCMs with tunable thermal behavior, efficient crystallization regulation, and mechanical resilience for thermal energy storage applications.
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高影响因子
RSC Advances
·
2026
·
IF 6.1
Baoliang Lv,Wei Zhang,Guohua Zhang,Guofu Zhang,Miao Zhang,Shoufeng Xue,Huixiang Wang
The epoxidation of long-chain α-olefins is an effective strategy for optimizing synthetic oil products and expanding their high-value-added derivatives. Tungsten trioxide (WO 3 ) is a promising catalyst for this reaction, yet pure WO 3 suffers from low specific surface area and a high density of Brønsted acid sites (B acid), resulting in poor activity and selectivity. Herein, graphene oxide (GO) was employed as a support to anchor WO 3 via an in situ growth strategy. Leveraging the strong interaction between the oxygen-containing functional groups of GO and the acidic hydroxyl groups of WO 3 , we achieved both high dispersion and effective reduction of B acid sites on WO 3 , successfully fabricating a high-performance WO 3 /GO catalyst. In the epoxidation of 1-octene, the WO 3 /GO catalyst exhibited excellent performance, specifically, its catalytic activity for producing 1,2-epoxyoctane increased from 7.9 mmol g WO 3 −1 h −1 (pure WO 3 ) to 20.3 mmol g WO 3 −1 h −1 , representing a 2.6-fold enhancement in catalytic efficiency. The catalyst also exhibited excellent performance towards other long-chain α-olefins. This study provides a simple, efficient, and dual-benefit strategy for the structural modification of WO 3 -based catalysts, offering a promising approach for designing low-acid, highly dispersed metal oxide catalysts for the efficient conversion of long-chain α-olefins. In situ anchoring of WO 3 onto GO enables high dispersion and reduced B acidity, boosting 1-octene epoxidation activity by 2.6 times.
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高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2026
·Vol. 37
·期 18
·1424
·
IF 3.2
Li Yafang,Sun Yinong,Yan Mengchen,Ma Beining,Li Zhihao,Tian Tao,Li Zongjie,Yan Jing,Zhao Yixia
Textiles, owing to their excellent breathability, softness, and structural elasticity, hold great potential for applications in flexible sensors and intelligent wearable devices. Piezoelectric sensors have become a research hotspot in wearable technology due to their capability for long-term sensing and monitoring. In this work, coaxial electrospinning with dual nozzles (inner and outer) operating simultaneously was employed to fabricate nanofibers, where the synergistic effects of graphene oxide (GO) and barium titanate (BTO) doping were utilized to enhance the piezoelectric performance of polyvinylidene fluoride (PVDF). GO, known for its high electrical conductivity, contributed to improved sensitivity of the composite nanofiber membrane after incorporation. When the mass fraction of GO was 0.1 wt% and that of BTO was 5 wt%, the β -phase content in PVDF reached its maximum value of 84.72%. Under an applied force of 2.2 N, the output voltage of the PVDF/GO/BTO composite nanofiber membrane reached 14.35 V, demonstrating a further enhancement in piezoelectric performance compared with single-component conductive fillers. Moreover, under a test load range of 0–3 N, the piezoelectric film exhibited a high sensitivity of 4.122 V·N⁻ 1 , and durability testing over 500 cycles confirmed its excellent mechanical robustness. Finally, a flexible piezoelectric sensor was fabricated and applied to human motion monitoring, confirming its outstanding potential for wearable sensing applications.
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ACS Applied Nano Materials
·
2026
·Vol. 9
·期 29
·13832-13841
·
IF 5.8
Li Guihua,Tang Lingzhi,Wang Jingjuan,An Shuailing,Sun Mengjuan,Jiao Yinan,Yang Zhigang,Ren Shuxia,Liu Jinxi
A flexible, eco-friendly, and photoelectrically modulated
synaptic
resistive random access memory (ReRAM) device has been developed using
a lead-free nanoscale Cs 3 Bi 2 I 9 Quantum
Dot (QD) graphene oxide (GO) composite film. The Ag/PMMA/Cs 3 Bi 2 I 9 QD/GO/ITO device exhibits a remarkable
ON/OFF ratio exceeding 10 4 under illumination, representing
approximately 200-fold enhancement compared to its performance in
darkness (∼10 2 ). The device demonstrates exceptional
mechanical and environmental stability, withstanding 10,000 bending
cycles (4.6 mm radius) and 72 h of ambient exposure (25 ° C, 35%
RH). Furthermore, when implemented in an artificial neural network
(ANN) for supervised learning, the device enables a recognition accuracy
of 94.3%. We attribute this enhanced performance to a synergistic
mechanism associated with the nanoscale dimension and uniform dispersion
of Cs 3 Bi 2 I 9 QD in the composite.
First, a poly(methyl methacrylate) (PMMA) protective layer effectively
suppresses leakage current, thereby elevating the high-resistance
state (HRS). Second, photogenerated holes within the Cs 3 Bi 2 I 9 QD are efficiently trapped, promoting
the formation of I – vacancies (V I – ). This synergistic effect facilitates the formation
of hybrid Ag/V I – conductive filaments,
reducing both SET voltage (by 47.7%) and low-resistance state (LRS)
resistance under illumination. These findings underscore the pivotal
role of optoelectronic coupling in optimizing resistive switching
behavior, paving the way for sustainable neuromorphic computing systems.
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JOURNAL OF RARE EARTHS
·
2026
·
IF 9.6
Jiashuo Lv,Liming Xu,Fan Zhang,Danqin Li,Jie Li,Yufei Hu,Wenjing Zhou,Meisi Yu,Furui Lin,Jian Hou,Weiqiang Zhou
Nickel-based catalysts are attractive for methanol oxidation owing to their structural tunability and intrinsic activity for C–H bond activation. However, their limited ability to capture OH – at the reaction interface results in reduced energy-conversion efficiency. In this work, we demonstrate that La-Ni(OH) 2 /graphene oxide (GO) delivers a multilevel synergistic optimization that markedly enhances photoelectrochemical methanol oxidation. The random doping of La disturbs the periodicity of Ni–O lattice, which promotes surface reconstruction and the enrichment of OH – at the electrified interface. Notably, La doping-induced oxygen vacancies act as charge-trapping sites, promoting the separation of photogenerated electron-hole pairs. More photogenerated holes can reach the reaction interface and participate in oxidation, synergistically enhancing the photoelectrocatalytic efficiency. By optimizing the interfacial microenvironment, the La-Ni(OH) 2 /GO catalyst achieves a current density of 179.8 mA/cm 2 in alkaline medium and increases to 222.6 mA/cm 2 under illumination.
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高影响因子
COMPOSITES SCIENCE AND TECHNOLOGY
·
2026
·
IF 9.9
Daming Gong,Minglun Lv,Jun Liu,Rui Liu,Yu Cui,Pengfei Ju,Fuhui Wang,Li Liu
With the rapid advancement of electromagnetic technologies, the development of high-performance electromagnetic wave (EMW) absorbing materials is crucial for mitigating radiation, reducing interference, and ensuring information security. In this work, a bioinspired multiscale strategy coupling macroscopic structural design with hierarchical interface engineering was proposed. A gyroid minimal surface was fabricated via high-precision Digital Light Processing (DLP) three-dimensional printing using graphene oxide incorporated photocurable resin to establish a conductive network and customized EMW propagation pathways. Subsequent in-situ growth of NiCo 2 O 4 and polypyrrole (PPy) introduced abundant heterogeneous interfaces and porous microstructures, which synergistically enhanced dielectric loss, magnetic loss, and interfacial polarization while optimizing impedance matching. Benefiting from these multi-level mechanisms, the composite exhibited outstanding broadband absorption performance at relatively small thicknesses. Experimental results demonstrated that the prepared PNGMM2 composite achieved a minimum reflection loss of -57.32 dB at 12.7 GHz with a thickness of 2.67 mm; an effective absorption bandwidth of 6.4 GHz was obtained at 2.42 mm, fully covering the Ku band; and complete coverage of the X band was realized at a thickness of 3.39 mm. This study demonstrates the effective integration of biomimetic architecture, interfacial engineering, and compositional design, offering a feasible pathway toward next-generation lightweight, broadband, and structurally robust EMW absorbers.
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