Journal of Materials Chemistry C
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2025
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IF 5.1
Kunpeng Mou,Xiaoxi Feng,Fangxiong Tang,Wenzhen Wang,Xudong Tang,Yongning Liu,Benlan Zeng,Sirui Bao,Minghao Cui,Jianing Hu,Huaxing Gou,Yan Zhu,Jinkun Liu,Run Xu
It is of great importance to choose a suitable solvent for the growth of high-quality CsPbBr3 single crystals. Here, by introducing acetonitrile (ACN) to the mixture of dimethyl sulfoxide (DMSO) and dimethylformamide (DMF) solvents, the solubility curve of CsPbBr3 exhibits a monotonic decrease in the temperature range of 20–80 °C, which can reduce the growth temperature to around 45 °C. Besides, the addition of ACN significantly increased the yield of single crystals to 38.71%. The quality of CsPbBr3 single crystals grown in the DMSO/DMF/ACN precursor was improved, evidenced by a full width at half maxima (FWHM) of 0.035° in the X-Ray rocking curve of (100) and the absence of secondary phase inside the crystal from the infrared image. A μτ value of 2.57 × 10−4 cm2 V−1 from the corresponding devices can be achieved, comparable to that of crystals grown by the melt method. Our work here provides a promising solution recipe for the preparation of high-quality CsPbBr3 single crystals.
研究领域:
材料科学
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化学
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DOI
高影响因子
APPLIED SURFACE SCIENCE
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2020
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IF 6.182
Yabin Wang,Juan He,Xueli Li,Youmin Shi,Yantu Zhang,Xiuping Ding
Dendritic mesoporous silica nanospheres (DMSNs) are very promising platforms for catalysis application and other catalytic materials can be decorated into their nanochannels. Herein, we present a strategy of introducing two types of catalytic components to DMSNs nanochannels for the first time. Initially, dendritic mesoporous silica&titania nanospheres (DMSTNs) were fabricated with spherical anatase titanium oxide (TiO 2 ) nanoparticles uniformly dispersed in dendritic channels. Then, multilayer amorphous carbon nitride (ACN) nanofilm was coated onto DMSTNs interfaces. The as-prepared heterogeneous DMSTNs/ACN photocatalysts maintain excellent dendritic architecture and display significantly improved visible-light response. DMSTNs/ACN can produce 9600 μmol·g −1 H 2 with a ca . 1900 μmol·g −1 ·h −1 rate in 5 h for water splitting under simulated sunlight condition, greater than those of DMSTNs and DMSNs. The novel catalyst can also generate 7.09 μmol·g −1 CO (49.10%) and 6.86 μmol·g −1 CH 4 (50.90%) in carbon dioxide reduction with its specific selectivity. This investigation opens up the possibility of adopting ACN-coated DMSTNs as novel photocatalysts for energy conversion in visible light environment.
研究领域:
材料科学
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能源转换
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光催化
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DOI
高影响因子
FOOD CHEMISTRY
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2025
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IF 9.8
Zhi Wang,Ruya Zhang,Chen Yang,Hui Yi,Wenge Yang,Yonghong Hu
Current smart cling films for pork preservation often face two key challenges: either they lack real-time freshness monitoring capabilities, or their antibacterial components rely on visible light—limiting penetration depth and easily inducing lipid oxidation in pork. To address these gaps, this work fabricated an electrospun bilayer smart cling film with integrated preservation and monitoring functions. The film comprises a hydrophilic outer layer (polycaprolactone [PCL]/polyvinyl alcohol [PVA]/chitosan [CS]/anthocyanin [ACN], for pH-responsive color indication) and a hydrophobic inner layer (PCL as the matrix, loaded with aluminum phthalocyanine [AlPc], for near-infrared-driven antibacterial activity). We systematically investigated the effect of AlPc loading (5 %–15 %) on film performance. Results showed that the film with 15 % AlPc exhibited the highest level of comprehensive properties among the tested groups: its antibacterial and antioxidant capacities were significantly enhanced, alongside improved physical characteristics—hydrophobicity of the inner antibacterial layer increased by 17 % (in terms of water contact angle), and water vapor transmission (WVT) was reduced by 19 %. Importantly, the film displayed distinct color changes (light red to dark red) in pH 3–11 buffer solutions and during pork storage, enabling real-time freshness monitoring. Moreover, it extended the freshness period of pork to 5 days. These findings demonstrate that the prepared bilayer film effectively addresses the limitations of existing cling films, offering significant potential for simultaneous pork shelf-life extension and freshness monitoring.
研究领域:
食品科学与技术
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材料科学
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活性包装
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纳米技术
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食品保鲜
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DOI
PubMed
高影响因子
JOURNAL OF ENVIRONMENTAL MANAGEMENT
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2025
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IF 8.4
Caiwen Wu,Shan Huang,Xing Cao,Zexiong Huang,Yanjuan Zhang,Zuqiang Huang,Huayu Hu,Tao Gan
Fe-based photo-Fenton process is widely used to remove antibiotic in wastewater, however, the synthesis of efficient and stable catalysts to solve the problems of Fe 3+ /Fe 2+ ions cycling and iron sludge formation of FeS-based catalysts is challenging. Herein, a strategy combining mechanical activation and pyrolysis was proposed to construct a novel FeS/amorphous carbon nitride (2D/2D FeS/ACN) composite with a two-dimensional (2D) stacked structure, where the FeS and ACN connected by Fe x −N bonds. The removal rates of oxytetracycline, tetracycline, and chlorotetracycline over 2D/2D FeS/ACN both surpassed 96.0 % within 30 min in the photo-Fenton system, and the photo-Fenton system exhibited a much higher total organic carbon (TOC) removal than the Fenton and photo systems, giving an improvement of rate constant to 3.0 and 6.5 times, respectively. The excellent performance attributed to the fact that the photogenerated electrons were trapped by the sulfur vacancy and directed to the Fe active site for Fe 3+ /Fe 2+ cycling via a highly-efficient charge transfer channel (Fe x −N), resulting in efficiently circulating Fe 3+ to Fe 2+ . Moreover, due to the involvement of photogenerated electrons in the reduction of Fe 3+ to decrease the consumption of S (S 2− and S n 2− ), 2D/2D FeS/ACN showed superior stability after five cycles, inhibiting the formation of iron sludge. This work provides a new route for the acceleration of Fe 3+ /Fe 2+ cycling in Fe-based photo-Fenton process for the efficient treatment of tetracycline-based wastewater.
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DOI
PubMed
高影响因子
Materials Today Nano
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2024
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IF 8.2
Jiangyong Li,Qin Li,Qian Yang,Qi Tang,Xiaoyi Hu,Qing Liu,Liangke Zhang
Reactive oxygen species (ROS)-based antitumor strategies, particularly chemodynamic therapy, have garnered considerable attention. However, challenges such as difficulties in achieving deep penetration, relatively low H 2 O 2 levels in the tumor microenvironment, the requirement for low pH by the Fenton reaction, and their short lifespan have impeded satisfactory therapeutic outcomes. Hence, we have developed a nanoplatform with enhanced permeability that not only generates significant amounts of ROS but also converts them into longer-lasting reactive nitrogen species (RNS), thereby improving tumor therapy efficacy. In our study, carbon dots were functionalized by doping with gold atoms and grafting nitrosoglutathione (GSNO) to form ACN, which exhibits glucose oxidase-like properties and enables laser-responsive NO release. ACN and indocyanine green (ICG) were then loaded onto MnO 2 nanoflowers to form MnO 2 @AI. Upon arrival at the tumor site, MnO 2 reacts with H 2 O 2 and GSH, leading to its degradation and the subsequent release of ACN, which is characterized by three permeation-promoting properties: ultra-small size, positive charge, and NO content. In addition, ACN promotes H 2 O 2 production through glucose metabolism and reduces pH, both of which enhance the Fenton-like reaction of MnO 2 , thereby amplifying ROS generation. The ICG in MnO 2 @AI enhances its photothermal properties, leading to the responsive release of NO from GSNO grafted onto ACN, which then reacts with the increased ROS to generate more toxic RNS. Collectively, the approach described herein offers substantial potential for advancing the treatment of malignant tumors.
研究领域:
纳米技术
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癌症治疗
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材料科学
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生物医学工程
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DOI
高影响因子
TALANTA
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2019
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IF 4.916
Yiqiong Chen,Xinyue Ding,Dandan Zhu,Xucong Lin,Zenghong Xie
Nonspecific adsorption is a challenge of specific recognition on aptamer-based affinity monoliths. Here, a novel highly hydrophilic polyhedral oligomeric silsesquioxane (POSS)-containing aptamer-based hybrid-silica affinity monolith with a good recognition nature was prepared and used for specific discrimination of ochratoxin A (OTA). A homogeneous polymerization mixture consisted of POSS chemicals, hydrophilic monomers and aptamer solution was directly polymerized via the “one-pot” method. Preparation and characterization of the resultant affinity monolith were studied in detail. A highly hydrophilic nature was obtained and the typical hydrophilic interaction liquid chromatography (HILIC) was observed when acetonitrile (ACN) content in mobile phase was 25%, which reached the highest hydrophilicity of POSS-based hybrid monoliths. By using OTA as model analyte, the nonspecific adsorption was effectively suppressed. The recovery of the analogue ochratoxin B (OTB) was only about 0.1% even if the content of OTB was 50 times more than OTA, which was much better than other POSS-containing monoliths and polar siloxane-based hybrid monoliths. Applied to beer samples, the adsorption of background materials was drastically resisted, and efficient recognition of OTA was obtained with the recoveries of 94.9–99.8%. Much less disturbance was observed than that occurred in hydrophobic POSS-based affinity monolith. It lights an attractive implement with high hydrophilicity and specificity for online selective recognition of OTA.
研究领域:
分析化学
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食品科学
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材料科学
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产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）