Journal of Cleaner Production
·
2021
·
IF 9.297
Jingyun Zhao,Zexu Chi,Heng Dong,Changfu Sun,Han Yu,Hongbing Yu
This study explored the depth treatment of desphenly chloridazon (DPC) wastewater by a novel synergetic dual-electrodes electrocatalytic (SDEs) system which consisted of Ni–Sb–SnO 2 /Ti anode (NSSTA) and PEDOT/PSS-CNTs modified activated carbon air diffusion cathode (PP-CNTs AC ADC). NSSTA exhibited an enhanced capability to produce reactive oxygen species (·OH and O 3 ), its O 3 production increased to 6.54 mg/L. PP-CNTs AC ADC was observed to have improved activity of catalyzing oxygen reduction reaction (ORR) with 648.23 mg/L H 2 O 2 generated. Owing to the synergetic effect of O 3 and H 2 O 2 , additional ·OH was obtained in SDEs system through the electro-peroxone reaction. Compared with the single-electrode electrocatalytic (SE) systems, the SDEs system showed superior pesticide degradation performance , higher mineralization current efficiency (MCE) and lower energy consumption (EC). In the SDEs system, the optimal 91.7% of DPC removal efficiency and 90.7% of DPC mineralization efficiency were obtained within 150 min by electrocatalytic oxidation of 17.5 ppm and 25 ppm pesticide wastewater at the current density of 11.94 mA/cm 2 , respectively. The treated water showed reduced acute toxicity than that of the raw wastewater, which suggested that the SDEs system is a promising technology for depth treatment of the pesticide industry effluent with simultaneous decontamination and detoxification realized.
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ANALYST
·
2019
·Vol. 144
·期 19
·5866-5874
·
IF 4.019
Pengxiang Wang,Luyan Wang,Mei Ding,Meishan Pei,Wenjuan Guo
To enhance the sensitivity of an aptasensor, a novel strategy was designed to develop an electrochemical aptasensor based on poly(3,4-ethylenedioxy thiophene)–gold nanoflower (PEDOT–AuNF) composites supported on a three-dimensional graphene oxide sponge (GOS). GOS with a three-dimensional sponge-like porous structure, exhibiting excellent electrical conductivity and a large surface area, provided the first amplification of the electrochemical signal for ochratoxin A (OTA) detection. PEDOT–AuNFs, synthesized by an ionic liquid-assisted one-pot method, presented a peculiar hierarchical flower-like structure, a high electroactive surface area, and more binding sites for immobilizing the aptamer molecules by the Au–S bonds. When PEDOT–AuNFs were supported on the surface of GOS by the interaction of the π–π packing between PEDOT and graphene oxide, a synergistic effect was produced to provide the second amplification for the aptasensor. PEDOT–AuNFs/GOS provided an ultrasensitive detection technique by multiple signal amplification for the electrochemical sensing of OTA. Consequently, this strategy not only endowed the aptasensor with high sensitivity but also needed no complicated signal amplification. The electrochemical sensor was fabricated successfully on a glassy carbon electrode to detect OTA with a linear response in the range of 0.01–20 ng L−1 and a limit of detection of 4.9 pg L−1. Moreover, it displayed good specificity, reproducibility and stability. The utilization of the proposed aptasensor for the quantitative determination of OTA in wine indicates that it can find promising applications in detecting OTA and even other mycotoxins in foodstuffs.
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高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2017
·
IF 6.216
Ziyang Lu,Zehui Yu,Jinbo Dong,Minshan Song,Yang Liu,Xinlin Liu,Zhongfei Ma,Hang Su,Yongsheng Yan,Pengwei Huo
The Z-scheme imprinted ZnFe 2 O 4 /Ag/PEDOT was synthesized by the microwave polymerization method and surface imprinting technique, which possessed good partial hollow spherical structure, good light response ability, good magnetic separation performance, good photocatalytic stability and reproducibility. More importantly, due to the introduction of Ag/PEDOT into the surface imprinted layer, Z-scheme structure was formed to enhance the photocatalytic activity based on Ag acted as the mediator, meanwhile, owing to the existence of the imprinted cavity in the surface imprinted layer, the selectivity had been significantly improved, in a word, the as-prepared Z-scheme imprinted ZnFe 2 O 4 /Ag/PEDOT achieved the goal for simultaneously improving the photocatalytic activity and selectivity. Z-scheme imprinted ZnFe 2 O 4 /Ag/PEDOT possessed the highest photodegradation rate (71.77%) for degradation of tetracycline under the simulated sunlight irradiation of 120 min, which was approximately 4.74 times to that of ZnFe 2 O 4 , 1.42 times to that of Ag/PEDOT and 1.31 times to that of non-imprinted ZnFe 2 O 4 /Ag/PEDOT, respectively. And the coefficient of selectivity of Z-scheme imprinted ZnFe 2 O 4 /Ag/PEDOT relative to ZnFe 2 O 4 , Ag/PEDOT, non-imprinted ZnFe 2 O 4 /Ag/PEDOT was 1.84, 1.82, 1.79 in the single antibiotic solution and 1.78, 1.75, 1.67 in the binary antibiotic solution, respectively. This work provided a new synthesis strategy for the imprinted photocatalysts and also provided a new idea for the treatment of specific pollutants in the water environment.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2024
·
IF 9.4
Yan Zhu,Bo Liang,Jijia Zhu,Zhibin Gong,Xiping Gao,Dahu Yao,Jing Chen,Chang Lu,Xinchang Pang
Avoiding crosstalk between strain and temperature detection is crucial for bimodal hydrogel sensors, yet achieving high sensitivity for both parameters while maintaining signal decoupling remains a significant challenge. In this study, a bimodal sensor was developed by locally coating poly (3,4-ethylene dioxythiophene): polystyrene sulfonate (PEDOT: PSS) onto the hydrogel surface, creating distinct regions for strain and temperature detection. These regions form localized strain concentration zones and wrinkle structures, respectively. The localized strain concentration enhances the sensor’s sensitivity from 8.5 to 18.5. Additionally, the sensor demonstrates a low detection limit (0.2 %), a wide detection range (up to 1356 %), a fast response time, and excellent cyclic stability for strain measurements. The temperature detection region, leveraging the thermoelectric effect, improves the Seebeck coefficient of the PEDOT: PSS coating from 20 to 122.86 μVK −1 through de-doping and energy band modulation. Moreover, the temperature sensing of the PEDOT: PSS coating features good cyclic stability, a rapid response time, and versatile testing capabilities. This innovative structural design effectively decouples strain and temperature signals across a broad strain range (0–600 %). These sensors hold potential applications in human health monitoring and as electronic skin for flexible robotics.
研究领域:
材料科学
·
传感器工程
·
生物医学工程
·
柔性电子学
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CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Yi Wu,Jiyuan Li,Shanfeng Zhang,Shengpu Chang,Wanqi Sun,Peng Wang,Xia Huang
Conductive hydrogels typically encounter intrinsic trade-offs among sensitivity, mechanical robustness, and multifunctional integration. In this study, a block-structured hydrogel addresses these limitations by spatially segregating one-dimensional (1D) carbon nanotubes (CNTs) and two-dimensional (2D) MXene within a semi-interpenetrating polyacrylamide/sodium alginate (PAM/SA) network. To further enhance interfacial conductivity, MXene-rich regions are coated with poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS), achieving a conductivity of 16.2 S m −1 . This bioinspired structure realizes strain-dependent and strain-independent conductive pathways while suppressing phase separation, enabling ultrahigh sensitivity (gauge factor = 36.6 at 600–800 % strain) and wide pressure detection (0.1–21.7 kPa). This multifunctional hydrogel-based sensor features motion monitoring, temperature sensing, and Morse code encryption capabilities. The hydrogel mitigates the stress-masking effect through a biomimetic modulus design and, in synergy with the SA/MXene components, effectively reduces inflammatory factor levels. Simultaneously, the three-dimensional conductive network enhances electrical signal transmission, facilitating the functional recovery of neural tissues and promoting sciatic nerve regeneration in mice. Furthermore, the integrated friction-based nanogenerator demonstrates efficient energy harvesting capabilities, achieving a peak power density of 3.2 W m −2 . By seamlessly integrating sensing, nerve regeneration, and energy autonomy, this conductive hydrogel establishes a pioneering “neuroskin” platform, enabling a closed-loop “sense-repair-power” interface for next-generation bioelectronic systems.
研究领域:
材料科学
·
生物医学工程
·
纳米技术
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神经科学
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柔性电子学
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传感器
·
能量转换
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Inorganic Chemistry Frontiers
·
2023
·Vol. 10
·期 17
·4993-5003
·
IF 7
Yuanduo Qu,Siqi Liao,Liangyi Wu,Junkai Wang,Lianfeng Duan,Xia He,Fushen Lu
An integrated photocapacitor (IPC) is a light-driven self-charging capacitor, which can overcome the impact of solar energy fluctuations by converting the solar radiation to electrochemical energy and store it simultaneously. However, current IPCs suffer from incompatibility problems, device packing, serious carrier recombination, and long-range electron transmission path, which lead to low conversion efficiency and cycling performance. To address these issues, we propose a three-electrode quasi-solid-state IPC based on a charge-separated transition mechanism of PEDOT/RGO compatible electrode and BMIMBF4 ion gel electrolyte to accelerate carrier migration. The overall conversion efficiency of this IPC reached 5.8% and the energy storage efficiency could be maintained at 84.57%. Besides that, this bendable free-standing electrode can be applied in flexible and high-voltage IPCs as a reliable off-grid systems to supply next-generation electronics.
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Microsystems & Nanoengineering
·
2023
·Vol. 9
·期 1
·1-13
·
IF 7.9
Luo Yunyun,Zhao Libo,Luo Guoxi,Dong Linxi,Xia Yong,Li Min,Li Ziping,Wang Kaifei,Maeda Ryutaro,Jiang Zhuangde
Flexible electronics have demonstrated various strategies to enhance the sensory ability for tactile perception and wearable physiological monitoring. Fibrous microstructures have attracted much interest because of their excellent mechanical properties and fabricability. Herein, a structurally robust fibrous mat was first fabricated by electrospinning, followed by a sequential process of functionalization utilizing ultrasonication treatment and in situ polymerization growth. Electrospun polyurethane (PU) microfibers were anchored with multi-walled carbon nanotubes (MWCNTs) to form conductive paths along each fiber by a scalable ultrasonic cavitation treatment in an MWCNT suspension. After, a layer of poly(3,4-ethylene dioxythiophene) (PEDOT) was grown on the surface of PU fibers decorated with MWCNTs to enhance the conductive conjunctions of MWCNTs. Due to the superior electromechanical behaviors and mechanical reinforcement of PEDOT, the PEDOT/MWCNT@PU mat-based device exhibits a wide working range (0–70 kPa), high sensitivity (1.6 kPa −1 ), and good mechanical robustness (over 18,000 cycles). The PEDOT/MWCNT@PU mat-based sensor also demonstrates a good linear response to different temperature variations because of the thermoelectricity of the PEDOT/MWCNT composite. This novel strategy for the fabrication of multifunctional fibrous mats provides a promising opportunity for future applications for high-performance wearable devices.
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高影响因子
ACS Sustainable Chemistry & Engineering
·
2021
·
IF 8.198
Huiying Liu,Ruxangul Jamal,Tursun Abdiryim,Rena Simayi,Lielie Liu,Yajun Liu
In this paper, carboxylated cellulose (CLC) dissolved in [BMIM]Cl as a soft template combined with the functional group (−NH2, −SH)-grafted poly(3,4-ethylene dioxythiophene) (PEDOT) derivatives was synthesized by an in situ polymerization method. Structural analysis revealed that CLC increased the degree of conjugation of the polymers in the composites and also led to the formation of the fibrous and sheet structure of the composite. The results of the electrochemical performance measurements revealed that the electrode modified by PEDOT-MeNH2/CLC and PEDOT-MeSH/CLC had detection limits (S/N = 3) of 0.38(0.1–380 μM) and 0.042(0.02–520 μM) for the detection of guanine (G), while for the detection of uric acid (UA), the corresponding detection limits (S/N = 3) were 0.255(5–400 μM) and 0.085(0.4–650 μM). The PEDOT-MeSH/CLC-based electrochemical sensor also possessed a wide linear response with the detection limits of 0.077(0.6–620 μM) and 0.144(0.2–460 μM) for the simultaneous detection of UA and G, respectively.
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CHEMICAL ENGINEERING SCIENCE
·
2026
·
IF 5.1
Yanfang Guan,Kasolo Enock,Bei Zhou,Zhenxiang Qi,Muhammad Shahid Nadeem,Junqiang Chen,Zeng Shujie,Yixin Hu,Zihan Wu,Jingxin Wang,Jinchu Yang,Li Peng,Wei Xinxin,Longwang Yue,Song Yuchen,Limin Li,Changwei Zhu
Industrial wastewater contamination by heavy metal ions such as Cu 2+ and Zn 2+ poses severe threats to the ecosystems and human health, with traditional adsorbents limited by high costs, low adsorption capacities, poor mechanical stability, and slow kinetics. To address these problems and to improve adsorption performance, this study developed a novel hydrogel composite composed of Gellan gum, Ti 3 C 2 MXene, Poly(3,4-ethylenedioxythiophene): sulfonate (PEDOT-S:H), and aluminum oxide silicate, named GMPA. The GMPA composite, optimized at a mass ratio of 20:2.25:4:2.5, was characterized and exhibited enhanced mechanical properties, improved thermal stability, and a high density of active binding sites. Under optimal conditions (1.2 g/L adsorbent dose, pH levels of 5.9–9.5, and adsorption duration of 30–300 min), the composite removed Zn 2+ , Cu 2+ , and Mg 2+ from a 50 mg/L metal ion solution with removal efficiencies of 99%, 77.1%, and 80% respectively, with capacities of 42.81 mg/g for Zn 2+ , 26.32 mg/g for Cu 2+ , and 21.51 mg/g for Mg 2+ . Kinetics followed the pseudo-first and second order models, indicating chemisorption and physisorption-influenced mechanisms. This novel hydrogel enables applications in water purification and the removal of heavy metals from aqueous environments.
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MICROCHIMICA ACTA
·
2016
·Vol. 183
·期 6
·2031-2037
·
IF 4.831
Xu Guiyun,Liang Shaoping,Fan Jinshi,Sheng Ge,Luo Xiliang
Negatively charged carboxylated nanocrystalline cellulose (CNCC) and positively charged poly(diallyldimethyl ammonium chloride) (PDDA) were alternatingly assembled on the surface of a glassy carbon electrode to form a relatively uniform polyelectrolyte multilayer nanocomposite (CNCC/PDDA) n . It was then incorporated into a matrix of conducting poly(3,4-ethylenedioxythiophene) (PEDOT) electrodeposited on the surface of the electrode. The nanocomposites were prepared in various ratios of PEDOT and (CNCC/PDDA), and then characterized by transmission electron microscopy, scanning electron microscopy, electrochemical impedance spectroscopy, cyclic voltammetry, and differential pulse voltammetry. The PEDOT/(CNCC/PDDA) 4 nanocomposite showed the lowest electrochemical impedance and best electrocatalytic activity towards the oxidation of nitrite. Based on these findings, an amperometric sensor was developed which, if operated at 0.80 V (vs. SCE), can detect nitrite in the 0.2 μM to 1.73 mM concentration range with a 57 nM detection limit.
Carboxylated nanocrystalline cellulose (CNCC) and poly(diallyldimethyl ammonium chloride) (PDDA) were assembled to nanocomposite (CNCC/PDDA) n . Poly(3,4-ethylenedioxythiophene (PEDOT) was electrodeposited on the surface of (CNCC/PDDA) n and a sensitive amperometric sensor for detection of nitrite was developed based on PEDOT/(CNCC/PDDA) n .
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高影响因子
SENSORS AND ACTUATORS B-CHEMICAL
·
2014
·
IF 3.84
Xiaoliang Ye,Yongling Du,Kaiyue Duan,Daban Lu,Chunming Wang,Xuezhao Shi
We proposed a facile approach for the synthesis of zinc sulfur-coated poly (3,4-ethylenedioxythiophene)-reduced graphene oxide hybrids film (ZnS-PEDOT-rGO) by using thioacetamide (TAA) as the reducing agent. The ZnS-PEDOT-rGO hybrids film modified glassy carbon-rotating disk electrode (GC-RDE) was then developed for the sensitive simultaneous determination of three deoxyribonucleic acid (DNA) bases: guanine (G), adenine (A), and thymine (T). By cyclic voltammetry (CV), this electrochemical sensor showed a good photoelectronic effect, and the peak currents of G, A, and T increased obviously. Some kinetic parameters were estimated by linear sweep voltammetry (LSV). Under the optimal conditions, the magnified anodic peak currents represented the excellent analytical performance of simultaneous detection of G, A, and T in a wide linear range and low detection limit. This proposed method also has been successfully applied to the assessment of G, A, and T contents in real-life samples, such as herring sperm DNA samples, milk powder and urine sample from human beings, with satisfactory results. The obtained results were also compared to HPLC of analysis for those three DNA bases and no significant differences were found. By the treatment of the experimental data, the electrochemical reaction mechanisms of G, A, and T all involved a two-electron-two-proton-transfer process.
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高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2025
·
IF 19
Shitao Shi,Wenhao Xu,Hongxia Xie,Ze Chen,Yang Peng,Chencong Liu,Daxin Huang,Qingfeng Sun,Shengxiang Yang,Xiaoping Shen
The accelerated iteration of electronic products has triggered an unprecedented e-waste crisis, posing serious environmental challenges to conventional material disposal strategies. In response to this dilemma, there is a pressing need for sustainable electronic materials that combine desired performance with environmental recyclability. Here, a glycerol-plasticized, PEDOT-crystallized, and closed-loop recyclable cellulose-based conductive film is developed for sustainable electronics. Carboxylated carbon nanotubes (CCNTs) are embedded into a TEMPO-oxidized cellulose nanofibers (TOCNF) matrix to form a primary conductive framework, further reinforced by poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) bridging. A subsequent glycerol treatment imparts dual effects—plasticizing the cellulose network for enhanced flexibility and inducing PEDOT crystallization for improved charge transport. The resulting film exhibits balanced flexibility, stable conductivity, recyclability, and reliable performance in real-time electromyography (EMG) sensing. This work offers a promising strategy for next-generation skin-interfaced bioelectronics, addressing the urgent need for circular materials in the era of electronic overproduction.
研究领域:
材料科学
·
可持续电子学
·
生物电子学
·
高分子科学
·
环境工程
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危险品化学品经营许可证（带存储）