NEW JOURNAL OF CHEMISTRY
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2025
·
IF 2.5
Xiaomiao Feng,Yue Feng,Qun Xu,Haiyan Zhu
The CoMnS-PDA (polydopamine) composite electrodes with high optical transparency and flexibility were fabricated on ITO/PET substrates via an electrochemical deposition method. The unique structural attributes, tunable electronic properties, and rich redox states inherent to bimetallic sulfides, combined with the catechol and nitrogen functional groups present in PDA, collectively enhance the surface modification effectiveness and pseudocapacitive performance of the electrodes. The CoMnS-PDA electrodes exhibit excellent pseudocapacitive performance, with a maximum areal capacitance of 189.3 mF cm−2 at a current density of 0.4 mA cm−2, while maintaining optical transmittance of around 80%. The assembled symmetric device exhibits 50% transparency and delivers an area capacitance of 28.7 mF cm−2 at a current density of 0.2 mA cm−2. Moreover, the device demonstrates outstanding flexibility, with negligible electrochemical performance degradation even under nearly 180° bending. When three devices are connected in series, they successfully light up a red LED, indicating the promising potential of these materials for flexible and transparent energy storage applications.
研究领域:
电化学
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材料科学
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纳米技术
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能量存储
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柔性电子学
✓ 已验证
产品关联
DOI
高影响因子
APPLIED SURFACE SCIENCE
·
2018
·
IF 4.439
Jian-Hua Li,Xing-Xing Ni,De-Bin Zhang,Hui Zheng,Jia-Bin Wang,Qi-Qing Zhang
A facile and versatile approach for the preparation of super-hydrophilic, excellent antifouling and hemocompatibility membranes had been developed through the generation in situ of bio-inspired polydopamine (PDA) microspheres on PVDF membranes. SEM images showed that the PDA microspheres were uniformly dispersed on the upper surface and the lower surface of the modified membranes. And there were a great number of PDA microspheres immobilized on the cross-section, but the interconnected pores structure was not destroyed. These facts indicated the existence of membrane micro-reactor effect for the whole membrane structure. Considering the remarkable improvement of hydrophilicity, antifouling properties, and permeation fluxes, we also proposed the cluster phenolic hydroxyl effect for the PVDF/PDA hybrid membranes. And the cluster phenolic hydroxyl effect can be ascribed to the all directions distributed phenolic hydroxyl groups on the whole membrane structure. Besides, the self-driven filtration experiments showed the great wetting ability and permeability of the PVDF/PDA hybrid membranes in filtration process without any external pressure. This implied the existence of accelerating self-driven force after the water flow flowed into the internal of membranes, which contributed to the increase of water flow velocity. All the three aspects were in favor of the enhancement of hydrophilicity, antifouling properties and permeability of the modified membranes. Moreover, the conventional filtration tests, oil/water emulsion filtration tests and protein adsorption tests were also carried out to discuss the practical applications of PVDF/PDA hybrid membranes. And the hemocompatibility of the modified membranes was also proved to enhance greatly through the hemolysis tests and platelet adhesion tests, indicating that the membranes were greatly promising in biomedical applications. The strategy of material modification reported here is substrate-independent and can be extended to other substrate materials, and allows the development of novel functional membranes through secondary treatments.
研究领域:
材料科学
·
生物医学工程
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产品关联
DOI
高影响因子
DALTON TRANSACTIONS
·
2017
·Vol. 46
·期 34
·11451-11458
·
IF 4.029
Shuai-Ru Zhu,Qi Qi,Wen-Na Zhao,Meng-Ke Wu,Yuan Fang,Kai Tao,Fei-Yan Yi,Lei Han
To explore catalysts combining highly accessible specific surface areas with low recombination of the photo-induced electron–hole pairs, a novel SiO2@PDA@BiOBr composite photocatalyst with a hierarchical core–shell structure was prepared by a facile solvothermal method. The catalyst shows a superior performance on photodegradation of Rhodamine B under visible light irradiation, especially for SiO2@PDA-2@BiOBr with the reactant kinetics constant (k = 0.0487 min−1). The enhanced photocatalytic performance of SiO2@PDA-2@BiOBr was ascribed to the decreased band-gap, higher surface area, and effectively photo-generated electron–hole pairs by the introduction of polydopamine (PDA). In addition, the photocatalytic degradation is initiated by ˙O2− derived from dye photosensitization and h+ from the BiOBr. Cyclic experiments also indicate that the SiO2@PDA-2@BiOBr is reusable during the photodegradation process. The hierarchical core–shell SiO2@PDA@BiOBr photocatalyst will provide a theoretical model for the development of physical chemistry and structural properties of BiOBr-based composites to enhance the photocatalytic performances.
研究领域:
材料科学
·
光催化
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环境科学
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化学工程
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产品关联
DOI
PubMed
高影响因子
NANO
·
2021
·
IF 1.556
Yilin Wu,Yan Yan,Jian Lu,Zhixin Yu,Junda Wu,Qianqian Wang,Zhongyi Jiang
A new multifunctional KGM/PDA/PVDF composite membrane was successfully prepared via facile nonsolvent induced phase inversion method. Here, the KGM component consisted of numerous covalent bonds, which could improve the corrosion resistance of membrane materials. The dopamine, as a natural “glue” between PVDF substantial and KGM, is capable of integrating different materials together suitably. The as-prepared membrane possessed superior superhydrophilic/underwater superoleophobic property, great corrosion resistance and antifouling property. The separation efficiency was as high as 99.01%, and could stay relatively stable even in the acid, alkali or high salty environment. Additionally, the membrane had great regeneration performance and could keep stable after 15 cyclic separation, which was appropriate for efficient various oil–water separation process. Moreover, the composite membrane could also effectively separate dyes in different environments and the efficiencies were all more than 91%. All in all, the multifunctional composite membrane with facile preparation method might provide a promising strategy and significant theoretical basis for the efficient separation of oil–water emulsions and dyes.
研究领域:
材料科学
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环境工程
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化学工程
✓ 已验证
产品关联
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2020
·
IF 3.99
Yongqin Liu,Yunlan Xu,Dengjie Zhong,Haoyang Yao,Yundong Zeng,Nianbing Zhong,Han Luo
In order to enhance the electron transmission rate of photocatalytic fuel cell (PFC), BiVO 4 @PDA-wt% composite was successfully prepared by hydrothermal synthesis and chemical polymerization method, and used to modify TiO 2 /Ti to obtain BiVO 4 @PDA/TiO 2 /Ti photoanode with high efficient visible light-response. The structure, morphology, optical and photoelectrochemical properties of BiVO 4 @PDA/TiO 2 /Ti photoanode were characterized and explored. BiVO 4 @PDA-10 %/TiO 2 /Ti obtained the maximum photocurrent density of 10.68 mA cm −2 at 1.0 V ( vs . SCE) under visible light illumination, which was 4.7 times that of BiVO 4 /TiO 2 /Ti. This is because of its extended π-conjugated electron system, PDA can significantly promote the charge transfer between BiVO 4 and TiO 2. Therefore, the separation of photogenerated electrons and holes in space can be realized, thereby the recombination of photogenerated electron-hole pairs can be reduced and ultimately the photocatalytic performance can be enhanced. With BiVO 4 @PDA-10 %/TiO 2 /Ti photoanode and Cu 2 O/Cu cathode, the visible-light responsive PFC exhibited high organics degradation and electricity conversion performance. Its photocurrent density, maximum power density and Rhodamine B degradation efficiency were 0.42 mA cm −2 , 58.55μW cm −2 and 97.28 %, respectively.
研究领域:
材料科学
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环境科学
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能源科学
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产品关联
DOI
高影响因子
COMPOSITES PART B-ENGINEERING
·
2024
·
IF 12.7
Hui Wang,Haijiao Lin,Shuhong Huang,Ling Li,Youwei Zhao,Wenming Zhang
In spite of the high level of attention paid to multifunctional sensors, the flexible and multifunctionality are still intractable challenges to be tackled. Herein, we design a flexible, hydrophobic and stable multifunctional sensing material by electrostatic spinning of PVDF/ZnWO 4 @PDA (PZP). The incorporation of ZnWO 4 @PDA into PVDF nanofibers can act as an effective nucleating agent and photosensitizer, which increases the polar crystalline phase and photovoltaic properties of PVDF. With the synergy of PVDF and ZnWO 4 @PDA, PZP based piezoelectric sensors offer significantly superior electrical output (28.4 V, 600 nA) and high sensitivity (1.04 V/kPa). Moreover, it is particularly surprising that photoelectric sensor based on PZP textiles has excellent optical properties, as confirmed by the response / recovery time (0.6 s / 0.66 s) of simulated sunlight detection. Piezoelectric photoelectric effect exists in PZP textiles, as evidenced by the significant increase in the strain output current of photoelectric sensor when irradiated with sunlight. Furthermore, based on the coupling of piezoelectric effect and triboelectric effect of PZP composite, the contact out nano-triboelectric generator has enhanced the electrical output and electromechanical conversion efficiency. Therefore, this work has successfully prepared multifunctional sensing materials that integrate pressure sensing, audio recognition, underwater communication, optoelectronic detection and triboelectric energy collection, paving a new way for the flexible multifunctional sensors.
研究领域:
材料科学
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传感器技术
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能源转换与存储
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产品关联
DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE
·
2023
·Vol. 58
·期 8
·3687-3700
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IF 4.5
Gu Siqi,Xie Ping,Hu Zuming,Yu Junrong,Wang Yan,Li Na
Because of excellent insulation properties and thermal stability, meta-aramid paper can be commonly applied to a vast number of fields, like power systems. But poriferous and relatively lax structure of meta-aramid paper would limit its applications in high-voltage environment. This paper proposes a sandwich structure design to combine PDA@BNNS/PMIA film and meta-aramid paper with high breakdown strength. After coating with 6 wt% PDA@BNNS/PMIA solution, this kind of paper became more compact, so there were few pores in the paper and it further enhanced the mechanical and dielectric performances of specimens. The tensile strength in the cross direction increased from 31.3 to 40.5 MPa, and the performance in the machine direction was from 75.5 to 78.9 MPa. Furthermore, the breakdown strength of compound-coated paper achieved 55 kV/mm, which is much higher than meta-aramid paper. Additionally, compound-coated paper still remained outstanding thermal stability. Overall, our fabricated PDA@BNNS/PMIA compound-coated paper has excellent comprehensive properties, which provides a broad prospect for the applications in high-temperature and high-voltage transformers.
研究领域:
材料科学
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电气工程
✓ 已验证
产品关联
DOI
高影响因子
Surfaces and Interfaces
·
2025
·
IF 6.3
Dawei Shi,Xin Zhang,Chunhui Chen,Huifang Peng,Zhi Liu
Solar interfacial evaporation has emerged as a promising technology for addressing the global water crisis challenge. Within this field, fabric-based evaporators have garnered considerable research attention due to their scalability and cost-effective manufacturability. Strikingly, cellulose-based materials have become particularly attractive for evaporator design owing to their hydrophilicity and biodegradability, making them ideal candidates. In this study, we developed a high performance solar evaporator through a facile fabrication process by integrating polydopamine (PDA) and polyaniline (PANI) with a cellulose nonwoven fabric substrate. The synergistic interaction between these components endows the evaporator with exceptional photothermal conversion capabilities, demonstrating a remarkable average optical absorption efficiency of 92.44 %. The device achieves surface temperatures of 105.1°C at dry state and 65.9°C at wet state under 3 kW m⁻². It achieves a high evaporation rate of 1.488 kg m⁻² h⁻¹ and an energy conversion efficiency of 94.09 % under 1 kW m⁻². Field testing demonstrated practical freshwater production of 6.28 kg m⁻² over an 8-hour operational period. Furthermore, the material's inherent superior hydrophilicity effectively inhibits salt accumulation, ensuring stable long-term performance. This cellulose-based photothermal evaporation system represents a significant advancement in sustainable desalination technology for large-scale seawater desalination and wastewater reclamation.
研究领域:
可再生能源
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材料科学
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环境工程
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纳米技术
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化学工程
·
可持续技术
✓ 已验证
产品关联
DOI
高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
·
2025
·
IF 9
Nan Yao,Shifeng Ji,Yunqing Xing,Jinchao Chen,Yanrui Cheng,Xiaonan Ruan,Jiaxin Chen,Zhuo Li,Yingjie Zhang,Chunmei Gao,Changbing Ye
This study reports the development and performance of a chlorine-resistant, negatively charged loose nanofiltration (LNF) membrane designed for efficient dye/salt separation from textile wastewater. The membrane was constructed by incorporating a synergistic composite of zeolitic imidazolate framework-L (ZIF-L) and polydopamine (PDA) into a polyamide layer on a polyethersulfone (PES) support via interfacial polymerization. In this design, ZIF-L nanosheets create a highly permeable, loose network, while PDA acts as a crucial molecular linker to ensure homogeneous dispersion and structural integration. Characterization using SEM, XRD, FTIR, XPS, and AFM confirmed successful synthesis. The optimal membrane, loaded with 2 wt% ZIF-L/PDA, exhibited superior performance: a pure water flux of 31.56 L·m −2 ·h −1 ·bar −1 , which is 3.19 times greater than the pristine Thin-Film Composite (TFC) membrane. This membrane achieved high dye rejection rates: Eriochrome Black T (99.25 %), Acid Chrome Blue K (97.87 %), Direct Blue 71 (97.56 %), Congo Red (94.09 %), and Direct Red 23 (93.92 %). Simultaneously, it showed low rejection for salts, indicating high permeability: NaCl (7.80 %), MgCl 2 (9.89 %), MgSO 4 (15.39 %), and Na 2 SO 4 (23.97 %). Crucially, the membrane demonstrated robust stability under diverse and harsh conditions, including exposure to strong acid, strong alkali, high pressure, and during long-term continuous operation, along with markedly enhanced chlorine resistance. Therefore, the ZIF-L/PDA loose NF membrane presents significant potential for dye wastewater treatment applications.
研究领域:
环境工程
·
膜科学与技术
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化学工程
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纳米技术
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水处理
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材料科学
✓ 已验证
产品关联
DOI
高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
·
2019
·
IF 5.107
Qingmiao Wang,Feifei Jia,Shaoxian Song,Yanmei Li
Because of its special architectures and excellent capacitive property, molybdenum disulfide (MoS 2 ) showed great potential in electrochemical-related applications. Nevertheless, the poor water wettability remains one of the primary weaknesses of MoS 2 for its application in capacitive deionization (CDI). In this work, MoS 2 was facilely modified by hydrophilic polydopamine (PDA) in a self-polymerization pathway to ameliorate the wettability of MoS 2 . With the soak time being carefully adjusted, MoS 2 modified by PDA for 4 h (MoS 2 /PDA-4) could exhibit not only lower inner resistances due to its better wettability, but also much higher specific capacitance because of the incorporation of electroactive PDA compared to original MoS 2 , resulting in the enhanced electrosorption rate (less than 9 min) and desalination capacity (14.80 mg/g). Moreover, the electrochemical stability of MoS 2 /PDA-4 guaranteed the nanocomposites a good regenerability. The results suggested the MoS 2 /PDA-4 electrodes a promising material for CDI device.
研究领域:
材料科学
·
电化学
·
环境工程
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2022
·
IF 6.371
Na Zhang,Shuangshuang Peng,Zhiyu Liu,Ye Li,Ju Huang,Jing Li,Hongri Wan,Shuai Zhou,Zhaojian Gao,Teng Chen
In this paper, Ag NPs-decorated magnetic Fe 3 O 4 @PDA nanocomposites have been successfully prepared. The spherical Fe 3 O 4 nanoparticles with an average size approximately 340 nm were modified by dopamine under mild conditions. Dopamine was self-polymerized surrounding Fe 3 O 4 nanoparticles and transformed into poly dopamine (PDA) layers. The PDA-encapsulated magnetic (Fe 3 O 4 @PDA) nanoparticles could in-situ reduce silver ammonium ions by the catechol groups in PDA layers. The Ag NPs with an average size ranging from 20 nm to 36 nm were densely decorated on the thin PDA shell. The resultant Fe 3 O 4 @PDA-Ag nanocomposites were employed as highly efficient catalysts for the reduction of different organic pollutants in the appearance of sodium borohydride. The Fe 3 O 4 @PDA-Ag nanocomposites also demonstrated extraordinary cycling stability when the catalyst was recycled several times for the reduction of MB. The antimicrobial tests indicated Fe 3 O 4 @PDA-Ag nanocomposites could efficiently prohibit the growth of microorganism, including various bacteria and fungi. The minimal inhibitory concentrations (MIC) for Fe 3 O 4 @PDA-Ag nanocomposites against different bacteria and fungi were also determined. The excellent catalytic activity, magnetic recyclability, and antimicrobial performance make Fe 3 O 4 @PDA-Ag a feasible candidate for the remediation of wastewater which contains multiple water soluble organic pollutants and pathogenic microorganism.
研究领域:
环境科学
·
材料科学
·
微生物学
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2025
·
IF 6.3
Ziwen Qin,Zhengxu Jiao,Lu Liu,Guoli Liu,Ruihua Zhao,Jianping Du
An insight into synergism of heterojuctions and covalent inorganic/organic interfaces are of great significance for developing the highly-efficient photocatalyst of hydrogen production. Herein, the Z-scheme BWO/PDA materials were prepared by in-situ polymerization of dopamine (PDA) around bismuth tungstate (BWO) surface by ultrasonic method. As-prepared BWO/PDA was self-assembled orderly by BWO nanosheets coated with PDA, and it consists of lamella-assembled spherical particles with cavities. The strong covalent connection between PDA and BWO provides a fast channel for charge transfer, and the inherent conjugated structure of PDA improves the photoelectric and photocatalytic hydrogen production ability. The photocatalytic performance of BWO/PDA is further enhanced due to efficient carries separation resulting from multi crystal planes synergism, and optimal composite exhibits high ratio of hydrogen evolution (284 μmol g −1 h −1 ), which is 14 times higher than that of PDA-free bismuth tungstate. This finding implies PDA-modified bismuth tungstate is a promising low-cost photocatalyst for hydrogen evolution applied in clean energy field.
研究领域:
材料科学
·
催化
·
可再生能源
·
纳米技术
·
环境科学
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）