SOLAR ENERGY MATERIALS AND SOLAR CELLS
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2024
·
IF 6.3
Yichi Liu,Minming Zou,Shikun Xiao,Wenjing Chen,Yuqiong Xie,Wenxing Luo,Lixiang Luo,Xiaowu Hu,Xiongxin Jiang,Yinshui He,Qinglin Li
Ag nanoparticles are commonly used for phase change material (PCM) modification to improve the photo-thermal convertibility in composite phase change materials (CPCM) owing to enhance carrier's ability to absorb photons by virtue of its unique localized Surface Plasmon Resonance effect (LSPR). Currently, redox method is considered to be the most effective method for the preparation of Ag nano-coating. However, it is still challenging to obtain a dense and uniform Ag nano-coating on the carrier surface due to the difference in the binding force between Ag nanoparticles and different carriers. Herein, a new preparation strategy is demonstrated, in which the carrier is pre-modified by adding a polydopamine (PDA) coating to enhance the bonding between the carrier and the silver nanoparticles, and then a stable three-dimensional silver nano-conducting network is obtained by redox. Consequential stable architecture contributes to polyethylene glycol (PEG) loadings reach 98%, simultaneously with an ultra-high photo-thermal conversion efficiency of 97.9%. Furthermore, this paper demonstrates the effect of carbonization temperature on the flexibility of melamine carbon foam (CMF), and different nano-Ag concentrations on the thermal conductivity of CPCM. This finding provides valuable guidance for the engineering of high photo-thermal conversion performance CPCM and strengthens their practical implementation in solar energy storage and thermal management.
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高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2016
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IF 5.31
Shuang Song,Hao Yang,Chunping Su,Zhibin Jiang,Zhong Lu
We herein report the fabrication of recyclable, stable and cost-effective superhydrophobic reduced graphene oxide modified melamine foam (RGMF) through ultrasonic-microwave synergistic method for the first time. In the synthesis process, ultrasonic and microwave irradiation not only shortened the reduction time of graphene oxide (GO) with the existence of reducing agent, but also considerably enhanced the firmness of reduced graphene oxide (rGO) anchored onto the melamine foam (MF). The structure and property of the obtained RGMF were characterized by XRD, Raman, SEM and contact angle measurements. The results showed that the skeletons of MF were completely covered with rGO layers which were compact and full of wrinkles. The as-prepared RGMF was superhydrophobic without further modification. Besides, the RGMF showed excellent selective adsorption capacity of various oils and organic solvents from water. The maximum oil adsorption capacity was 112 times of the weight of the initial MF, and the adsorption capacity of the RGMF did not deteriorate after it was reused 20 times. More importantly, the RGMF showed good stability against cavitation erosion and corrosion liquids. All these features made the as-prepared material an ideal candidate for removal and collection of oils and organic solvents from water.
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高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
·
2025
·
IF 9
Yan Liu,Xiangju Mao,Wenshan Ni,Fang Xiao,Lei Fan,Kangkang Wang
Monolithic adsorbents have become promising materials for removing contaminants in wastewater. By combining the macrostructural advantage of monolithic materials with their excellent surface function, these materials offer significant potential for practical applications. This study proposes an efficient and economical preparation method for developing high-performance chitosan-based monolithic adsorbent for Pb 2+ removal. In brief, melamine foam (MF) was pre-modified with polydopamine (PDA), and chitosan (CS) was uniformly loaded onto the modified foam via a “crosslinking-surface deposition” process. The resulting monolithic adsorbent (CS/PDA@MF) exhibited a high adsorption capacity for Pb 2+ (174 mg g −1 ) and achieved equilibrium adsorption time (<120 min) in batch adsorption experiments. The material demonstrated excellent elastic properties, allowing for easy manual collection using tweezers. Six cycles of adsorption/desorption experiments proved satisfying reusability. Additionally, a fixed-bed column was prepared using CS/PDA@MF to investigate the continuous flow adsorption behavior, showing excellent potential for practical applications. The adsorption mechanism was explored by ATR FT-IR and XPS characterization. This study provides a technical foundation for research into high-performance CS-based monolithic adsorbents, which are expected to be promising candidates for environmental remediation.
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高影响因子
Journal of Cleaner Production
·
2022
·
IF 11.072
Wei Cui,Xiangxuan Li,Xinyi Li,Tianyu Si,Lin Lu,Ting Ma,Qiuwang Wang
The development of phase change materials (PCMs) is hampered by issues like leakage , poor thermal conductivity , and poor light absorption . In this study, we innovatively combined modified melamine foam (MF) and graphene nanoparticle (GNP) to address these defects of PCMs in the solar-thermal energy system. The MF was modified to endow the solar-thermal energy conversion ability and superhydrophobic interface characteristics due to the polypyrrole (PPy) by the in-situ polymerization and the polymerized octadecylsiloxane (PODS) layer coating on the sponge skeleton. The composite PCMs consisting of the modified MF, paraffin wax (PW), and GNP were fabricated and exhibited good leakproof ability, high thermal conductivity, and excellent solar-thermal energy conversion capability. Results showed that due to the effects of the PPy and the PODS on the sponge skeleton structure, MF@PPy-PODS/PW composite PCMs showed a decrease in the mass loss ratio to less than 0.34% and an increase in the thermal conductivity of 0.33 W/m·K and the solar-thermal storage efficiency of 75.68%. Besides, adding GNP with higher concentrations impacted positively on the thermal conductivity and the solar-thermal energy conversion ability but negatively on the phase change enthalpies . MF@PPy-PODS/GNP3/PW composite PCMs increased the thermal conductivity to 0.59 W/m·K and the solar-thermal storage efficiency to 79.36% while decreasing the phase change enthalpy to 130.61 J/g. Furthermore, a thermoelectric conversion system driven by solar energy was developed to show the potential of composite PCMs for cleaner energy production. The open-circuit voltages of the MF@PPy-PODS/GNP3/PW composite PCMs achieved 0.78 and 0.91 V at 2 and 4 Sun, respectively. The open-circuit voltages remained for a period of time and slowly dropped without the simulated solar light irradiation. This study provided a potential strategy for the optimal performance of composite PCMs and their application in solar thermal systems .
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高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
·
2021
·
IF 7.312
Sheng Cao,Shao-zhong Hu,Dan Luo,Ting Huang,Nan Zhang,Yan-zhou Lei,Yong Wang
Providing highly efficient and economical adsorbents is the prerequisite for the heavy metal ions removal from wastewater through the adsorption method. Herein, the polydopamine (PDA)-coated melamine foam (MF) skeleton (MF-PDA) was achieved through the bio-inspired functionalization method. The results showed that the smooth surface of MF skeleton was successfully coated by PDA nanoparticles, leading to the changes of surface roughness and chemical features of MF skeleton. Studies on the adsorption behaviors toward highly toxic Cr(Ⅵ) by the MF-PDA samples showed that the MF-PDA samples had the good removal ability and the maximum adsorption capacity was about 240 mg/g at pH value of 2. In addition, the MF-PDA sample also showed high adsorption selectivity, high desorption ability and good reusability. Further analysis found that the coated PDA had a strong reduction effect on Cr(Ⅵ), and about 53.7% toxic Cr(Ⅵ) was reduced to low-toxic Cr(III) during the adsorption. Although PDA decoration method has already been used to assist the secondary modification or to enhance the modification efficiency of the other functionalization method, this work clearly declares that PDA exhibits great role in removing Cr(Ⅵ) and the MF-PDA sample is a promising adsorbent for removing highly toxic Cr(Ⅵ) from sewage.
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FOOD CHEMISTRY
·
2021
·
IF 7.514
Yingying Sun,Wan Li,Liqing Zhao,Fengyong Li,Yunfei Xie,Weirong Yao,Wenqiu Liu,Zhaosheng Lin
In food safety assessment, surface-enhanced Raman spectroscopy (SERS) is a novel detection method with the advantages of being fast, easy, and of high sensitivity. However, many SERS substrate synthesis methods are complex, and there are only a few studies on the simultaneous detection of multiple substances. In this study, a new, simple, low-cost SERS substrate was synthesised for the first time to simultaneously detect illegal food additives rhodamine B and basic orange II in chilli products. A lightweight, porous, and low-cost material of melamine foam (MF) was employed as the SERS synthesis template. The substrate’s SERS effect on, and sensitivity to, rhodamine B and basic orange II were demonstrated. The molecular vibration and SERS enhancement mechanisms of the two target molecules were analysed by density functional theory (DFT) calculations. The results reveal that this fabricated substrate has great application potential for the supervision and testing industry.
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PubMed
高影响因子
Journal of Cleaner Production
·
2023
·
IF 11.1
Wei Li,Yue-Lei Hao,Wei-Liang Jin,Jing-Qi Liu,An-Na Tang,Li-Na Zhu,Hong-Xin Jiang,De-Ming Kong
The assessment and treatment of heavy metal pollution are eternal subjects of environmental protection. Facile on-site assessment of heavy metal pollution and efficient, rapid removal of pollutes are still challenging. Covalent organic frameworks (COFs) hold great promise as absorbents for heavy metal pollution treatment. To overcome the application limits of COF powders, a COF-based monolithic composite is prepared by direct in-situ growth of an N/O-rich COF on the surface of a melamine foam (MF). The resultant MF@COF inherits the macro-porous channels of MF, the good crystallinity of COF, and integrates the attractive features of monolithic materials such as ease of operation, facile and highly efficient recovery, and good reusability . The abundant N/O groups endow MF@COF with powerful capture capability towards various heavy metal ions . Its maximum adsorption capacity for Cd 2+ is 278.45 mg/g, and the adsorption equilibrium can be reached within 1–3 s. The adsorption kinetic of Cd 2+ by MF@COF follows the pseudo-second-order kinetic model , and the adsorption isotherm conforms to Freundlich model. Rapid adsorption, together with the easy-to-operate feature of monolithic material, make the ultrafast water purification possible. Meanwhile, MF@COF works well for the highly efficient enrichment of Cd 2+ to realize the naked-eye detection of Cd 2+ pollution at low levels, thus may be developed as an important tool for both on-site assessment and rapid treatment of heavy metal pollution.
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高影响因子
DESALINATION
·
2025
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IF 9.8
Yuqian Zhang,Chengping Li,Ziyi Wang,Zijian Li,Liang Wang,Kuzmin Anton,Xingqiao Wu,Ting Bian
Solar-driven desalination provides a sustainable approach to address global freshwater scarcity, yet its application is significantly hindered by mechanical instability and salt accumulation issues in conventional evaporators. Here, we report a mechanically robust, salt-resistant, and highly efficient three-dimensional hydrogel evaporator (TF/CB@SA/MF-SiO 2 ) that integrates tannic acid-Fe 3+ complexes (TF), carbon black (CB), SiO 2 nanoparticles, and sodium alginate (SA) within a porous melamine foam (MF) scaffold. The CB and TF components provide broadband (>97 %) light absorption from 250 to 2500 nm, while the in situ-formed SA-SiO 2 hydrogel network reinforces the composite structure through strong interfacial bonding, restricting polymer chain mobility and improving compressive strength and elasticity. Under standard one-sun irradiation, the evaporator maintains a high evaporation rate of 2.06 kg m −2 h −1 and demonstrates remarkable long-term stability even under high salinity conditions (up to 20 wt% NaCl). Mechanical testing reveals that the combined CB-SiO 2 reinforcement yields minimal deformation and superior recovery. Practical outdoor tests confirm the evaporator's reliability, yielding freshwater meeting WHO drinking water standards. This multifunctional evaporator demonstrates long-term durability and high salt rejection, providing a viable pathway toward scalable, off-grid desalination and wastewater purification.
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高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2021
·
IF 13.273
Xufei Li,Baoyou Yan,Weiqiu Huang,Hui Bian,Xinya Wang,Jiahui Zhu,Shaocan Dong,Yuyu Wang,Weihua Chen
To overcome the shortage of conventional synthetic methods, such as long reaction time at high temperature and pressure (HTP) or poor performance at room temperature and pressure (RTP), a facile and economical strategy was employed to prepare high-performance ZIF-90 for the first time at RTP only by adding triethylamine (TEA). Herein, we successfully prepared ZIF-90 nanocrystals by a two-step stirring method within several minutes (5–30 min) and their structure parameters (e.g., BET surface areas, 916–1235 m 2 ·g −1 ) were also tuned simultaneously, which were much better than reported samples prepared at RTP. Afterwards, by changing functional ligands, hydrophobic ZIF-90-CF 3 with low surface energy was also designed. With the ligand side of aldehyde (–CHO) and trifluoromethyl (-CF 3 ) groups on ZIF-90 and ZIF-90-CF 3 , the water vapor uptakes and adsorption heats decreased from 7.9 to 0.79 mmol·g −1 and 20.6 to 2.6 kJ·mmol −1 , respectively. Additionally, a shaped ZIF-90-CF 3 /melamine foam (MF) composite with both hydrophobic and oleophilic properties exhibited extraordinary organic compounds (OCs)-water separation ability, including a high adsorption capacity (40.1–108.7 g‧g −1 ) towards various OCs. Furthermore, owing to its excellent compressibility and mechanical stability, the ZIF-90-CF 3 /MF composite can be regenerated by slightly squeezing the adsorbed OCs, indicating the potential for possible commercialisation of the derived MOF/MF composites for the efficient purification of wastewater.
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高影响因子
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
·
2023
·Vol. 30
·期 50
·108774-108782
·
IF 5.8
Xu Jinjie,Li Yongli,Yu Lihong,Pang Yuehong,Shen Xiaofang,Liu Jun
In this work, metal–organic frameworks (MOFs) including Fe-MIL-101 and Ti-MIL-125 were prepared and fixed on the melamine foam (MF) by polyvinylidene fluoride (PVDF) to prepare MF/PVDF/MOFs, which was used as adsorbents in pipette-tip solid-phase extraction (PT-SPE) for rapid extraction of organophosphorus pesticides (OPPs). Then, a gas chromatograph-flame thermionic detector (GC-FTD) was used for simultaneous analysis of Dimethoate (DMT), Iprobenfos (IBF), Parathion-methyl (PAM), and Chlorpyrifos (CPF). The morphology, crystal structure, and functional groups of MF/PVDF/MOFs were characterized, indicating that Ti-MIL-125 and Fe-MIL-101 were successfully synthesized and distributed on MF. The Fe-MIL-101 and Ti-MIL-125 showed good extraction ability for OPPs, which was mainly due to the π-π interaction and the multiple porous structures. Under the optimal conditions, the limit of detection (LODs) of four OPPs was 0.03–0.14 μg L −1 and the RSDs were less than 9.9%. The developed PT-SPE method showed a short extraction time (<3 min). The recoveries in fruits and vegetables (Celery, cabbages, and oranges) ranged from 75.3%–118.8% (RSDs<9.6%). The prepared MF/PVDF/MOFs demonstrated the efficient extraction performance of OPPs, contributing to the rapid pretreatment of OPPs from food and the environment.
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PubMed
高影响因子
APPLIED SURFACE SCIENCE
·
2018
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IF 4.439
Hang Zhao,Jinhua Wu,Jianlong Li,Hao Wu,Yun Zhang,Heng Liu
MoS 2 has been investigated extensively as novel energy storage materials because of its unique physical and chemical properties. Herein, a flexible Three-Dimensional (3D) free-standing composite is rationally designed and synthesized by growing MoS 2 nanosheets onto carbonized melamine foam. Afterwards, nitrogen-doped carbon (NC) coating is created on the bare MoS 2 nanosheets depends on dopamine self-polymerization. The composite can be used directly as a free-standing anode for lithium-ion batteries. It exhibits high reversible lithium storage capacity with good cyclic performance (573.8 mAh g −1 at current density of 500 mA g −1 after 200 cycles) and rate capability (536.9 mAh g −1 at current density of 2000 mA g −1 ). The outstanding electrochemistry properties are mainly attributed to the well-designed architecture. The interconnected carbon skeleton provides 3D fast transport paths for electron. NC coating on MoS 2 nanosheets and the carbon filled in the interspaces between MoS 2 nanosheets serves as conductive matrix which enhances the electrical conductivity, expands the path of electron transport and accelerates electron transfer.
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高影响因子
COMPOSITES COMMUNICATIONS
·
2024
·
IF 6.5
Yunyirui Liu,Changhua Li,Rongkai Wu,Jixin Gong,Bihe Yuan
Enhancing flame retardancy and fire-warning capabilities of thermal insulation materials used in building external walls is crucial for ensuring fire safety as well as guarding people's lives and assets. Herein, we have developed an environmentally friendly nano-coating that possesses flame-retardant and early-warning properties by integrating graphene oxide (GO) and attapulgite (ATP) onto melamine foam (MF) through a layer-by-layer self-assembly method (LBL). The GO-ATP-MF composite demonstrates a rapid response to flame (<1 s) due to GO's thermally induced reduction. Additionally, ATP's synergistic flame-retardant effects on both gas and condensed phases contribute to outstanding flame retardancy, enabling an enduring fire alarm duration (>1330 s). The warning duration time of this composite surpasses the majority of GO-based fire-warning nano-coatings reported to date. Moreover, incorporating a Bluetooth wireless transmission system facilitates real-time fire information sharing among smart devices, thereby optimizing fire signal transmission efficiency. Thus, this study advances GO-based flame-retardant nano-coatings and devices with high sensitivity and prolonged fire-warning capabilities, providing an innovative idea to enhance the fire safety of MF as a thermal insulation material.
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高影响因子
危险品化学品经营许可证（带存储）