ChemNanoMat最新文献_第7页

Copper(I) Induced Phase Transition and 1D Growth in Cesium Lead Bromide Cubic Nanocrystals 铜（I）诱导的溴化铯铅立方纳米晶体的相变和一维生长

IF 2.6 4区材料科学

ChemNanoMat Pub Date : 2024-07-09 DOI: 10.1002/cnma.202400270

Fency Sunny, Pratap Mane, Brahmananda Chakraborty, Nandakumar Kalarikkal, Subila Kurukkal Balakrishnan

{"title":"Copper(I) Induced Phase Transition and 1D Growth in Cesium Lead Bromide Cubic Nanocrystals","authors":"Fency Sunny, Pratap Mane, Brahmananda Chakraborty, Nandakumar Kalarikkal, Subila Kurukkal Balakrishnan","doi":"10.1002/cnma.202400270","DOIUrl":"10.1002/cnma.202400270","url":null,"abstract":"Lead halide perovskites have been explored ardently in the past decade owing to their excellent photophysical properties. High-temperature cation exchange reactions have been employed to improve the stability and performance in perovskite lattice, but lacks control over size, shape, and stoichiometry. Herein, the solution phase interaction of cesium lead bromide (CsPbBr3) nanocrystals with monovalent and bivalent copper ions, under ambient conditions is systematically investigated. The introduction of Cu1+ explicitly initiates a one-dimensional growth with a distinct phase transition, that is from cubic to orthorhombic, while Cu2+ induces a partial exchange with Pb2+ with no phase change. DFT calculations suggest that Cu1+ induces structural distortion via Cs1+ substitution, altering the Goldschmidt tolerance factor and perovskite octahedral tilting, leading to the phase transition. Additionally, the oleic acid/amine ligands used to stabilize the nanocrystals, are preferentially etched away to form complexes with Cu1+, initializing an oriented growth of the nanocubes to nanorods. A mechanistic investigation of the evolution of the nanorods gave insights on tuning the tolerance factor via room temperature modifications and cation exchanges in perovskites for anisotropy and morphology tuning. This effortlessly obtained perovskite nanorods with Cu1+ could find effective applications in optoelectronics, and as novel photocatalysts.","PeriodicalId":54339,"journal":{"name":"ChemNanoMat","volume":"10 9","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141568473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Rapid Colorimetric Detection of Ca(II) Based on Surface Plasmon Resonance Absorbances of 5-PBA@AuNPs Sensor 基于 5-PBA@AuNPs 传感器表面等离子共振吸光率的 Ca(II) 快速比色检测技术

IF 2.6 4区材料科学

ChemNanoMat Pub Date : 2024-07-09 DOI: 10.1002/cnma.202400305

Jingyi Ma, Guona Li, Xueqi Duan, Jin-Peng Xue, Xing Li, Yun Li

{"title":"Rapid Colorimetric Detection of Ca(II) Based on Surface Plasmon Resonance Absorbances of 5-PBA@AuNPs Sensor","authors":"Jingyi Ma, Guona Li, Xueqi Duan, Jin-Peng Xue, Xing Li, Yun Li","doi":"10.1002/cnma.202400305","DOIUrl":"10.1002/cnma.202400305","url":null,"abstract":"Calcium ions (Ca2+) are essential for a myriad of physiological functions, including excitability, neurotransmitter release, gene transcription, cell proliferation, synaptic plasticity, and hormone secretion. Consequently, the detection of Ca2+ concentrations in water is of fundamental and practical significance. In this study, a novel method for the simple, visual, and rapid colorimetric detection of Ca2+ is introduced, leveraging the surface plasmon resonance (SPR) absorbances of gold nanoparticles (AuNPs) modified with 5-Pyrimidinylboronic acid (5-PBA). A color change from wine-red to gray-blue was observed with increasing concentrations of Ca2+, indicative of the agglomeration of AuNPs. This agglomeration displayed favorable anti-interference properties and selectivity. The limits of detection (LOD) were determined to be 0.08 mM by the unaided eye and 3.29 μM by UV-visible spectroscopy. Moreover, an excellent linear relationship (R2=0.9879) was maintained within the Ca2+ concentration range of 0.0 to 0.5 mM. These results suggest that AuNPs modified with 5-PBA are suitable for the quantitative determination of Ca2+. Subsequent testing on actual samples confirmed that this new method could be effectively applied to the monitoring of Ca2+ in water.","PeriodicalId":54339,"journal":{"name":"ChemNanoMat","volume":"10 9","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141587442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Stability and Surface Functionalization of Plasmonic Group 4 Transition Metal Nitrides 等离子体第 4 族过渡金属氮化物的稳定性和表面功能化

IF 2.6 4区材料科学

ChemNanoMat Pub Date : 2024-07-08 DOI: 10.1002/cnma.202400236

Dreenan Shea, Reem A. Karaballi, Samantha Jee, Mita Dasog

{"title":"Stability and Surface Functionalization of Plasmonic Group 4 Transition Metal Nitrides","authors":"Dreenan Shea, Reem A. Karaballi, Samantha Jee, Mita Dasog","doi":"10.1002/cnma.202400236","DOIUrl":"10.1002/cnma.202400236","url":null,"abstract":"Plasmonic transition metal nitrides (TMNs) have emerged as a low-cost and thermally and chemically robust alternatives to noble metals. While their superior thermal properties have been established, their chemical properties on the nanoscale haven't been as well investigated. Herein, the oxidative stability over time under ambient conditions and colloidal stability as function of pH was explored for plasmonic TiN, ZrN, and HfN nanoparticles. It was discovered that the TMN nanoparticles made via solid-state method had a narrow pH stability range between 2–3. Under highly acidic conditions, the particles underwent dissolution and at pH ≥4, they aggregate and precipitate from the solution. Additionally, TiN nanoparticles had poor oxidative stability and oxidized to TiO2 after ~40 days. 3-Aminopropyltriethoxysilane (APTES) and dimethylsilane coated TMNs were synthesized to yield water and organic solvent dispersible particles, respectively. These functionalized colloidal suspensions showed enhanced oxidative stability over 60 days and the APTES coating widened the pH stability window of TMNs to include physiological pH. This study shows that surface functionalization using M−O−Si linkages (where M=Ti, Zr, or Hf) can greatly enhance the stability, dispersibility and therefore applicability of plasmonic TMN nanoparticles.","PeriodicalId":54339,"journal":{"name":"ChemNanoMat","volume":"10 9","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cnma.202400236","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141568506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Front Cover: Non-Covalent Functionalization of Magnetic Carbon Nanotubes with Fmoc Amino Acid-Modified Polyethylene Glycol (ChemNanoMat 7/2024) 封面：磁性碳纳米管与 Fmoc 氨基酸改性聚乙二醇的非共价官能化（ChemNanoMat 7/2024）

IF 2.6 4区材料科学

ChemNanoMat Pub Date : 2024-07-04 DOI: 10.1002/cnma.202480701

Fusun Sevval Murat, Ö. Zeynep Güner-Yılmaz, Serdar Bozoglu, Assoc. Prof. Saime Batirel, Elif Baysak, Prof. Dr. Gürkan Hizal, Prof. Dr. Nilgun Karatepe, Prof. Dr. Fatma Seniha Güner

{"title":"Front Cover: Non-Covalent Functionalization of Magnetic Carbon Nanotubes with Fmoc Amino Acid-Modified Polyethylene Glycol (ChemNanoMat 7/2024)","authors":"Fusun Sevval Murat, Ö. Zeynep Güner-Yılmaz, Serdar Bozoglu, Assoc. Prof. Saime Batirel, Elif Baysak, Prof. Dr. Gürkan Hizal, Prof. Dr. Nilgun Karatepe, Prof. Dr. Fatma Seniha Güner","doi":"10.1002/cnma.202480701","DOIUrl":"https://doi.org/10.1002/cnma.202480701","url":null,"abstract":"The cover picture provides a visual representation of the utilization of functionalized carbon nanotubes for drug delivery. The image showcases a functionalized carbon nanotube with a magnetic field in the background, which suggests that the nanotubes, acting as drug delivery agents, can be oriented with the magnetic field. The picture also displays a human arm with visible veins, into which an injector is injecting functionalized nanotubes. Below the image, there is an illustration of a vein with functionalized carbon nanotubes present inside it, indicating that the nanotubes can be used for drug delivery inside veins. More information can be found in the Research Article by Fatma Seniha Güner and co-workers.<figure>\u0000 <div><picture>\u0000 <source></source></picture>\u0000 </div>\u0000 </figure>\u0000 ","PeriodicalId":54339,"journal":{"name":"ChemNanoMat","volume":"10 7","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cnma.202480701","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141536742","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Fluorescein Isothiocyanate Labelled PCL-PEG-PCL Copolymer as Delivery System of Capsaicin 用异硫氰酸荧光素标记的 pclpeg-pcl 共聚物作为辣椒素的递送系统

IF 2.6 4区材料科学

ChemNanoMat Pub Date : 2024-07-03 DOI: 10.1002/cnma.202400130

Nancy Ferrentino, Tania Mariastella Caputo, Angela Maria Cusano, Anna Aliberti, Andrea Cusano, Daniela Pappalardo

{"title":"Fluorescein Isothiocyanate Labelled PCL-PEG-PCL Copolymer as Delivery System of Capsaicin","authors":"Nancy Ferrentino, Tania Mariastella Caputo, Angela Maria Cusano, Anna Aliberti, Andrea Cusano, Daniela Pappalardo","doi":"10.1002/cnma.202400130","DOIUrl":"10.1002/cnma.202400130","url":null,"abstract":"Amphiphilic block copolymers, made of biocompatible polycaprolactone (PCL) and polyethylene glycol (PEG), due to their ability to self-assemble in water into nanoscopic micelles, have been largely exploited for drug delivery systems (DDS). This study introduces a novel approach by synthesizing a fluorescein isothiocyanate FITC-labelled PCL-PEG-PCL triblock copolymer, with the aim to develop a drug delivery system for natural bioactive. As a proof of concept, the FITC-labelled PCL-PEG-PCL copolymer is applied for the preparation of micelles encapsulating into the core capsaicin (CP), a pungent alkaloid found in chili peppers with diverse therapeutic applications. Challenges associated with CP′s solubility, bioavailability, and stability are addressed using this DDS. Comprehensive characterization of FITC-labelled copolymer is conducted using a range of analytical techniques, including nuclear magnetic resonance (NMR), dynamic light scattering (DLS), high-performance liquid chromatography (HPLC), Fourier-transform infrared spectroscopy (FTIR), fluorescence, and confocal laser scanning microscopy (CLSM). Key properties such as critical micelle concentration, CP loading, and release behavior are thoroughly investigated and compared with the characteristics of the unlabeled parent copolymer. This research pioneers the investigation of PCL-PEG-PCL triblock copolymers for CP delivery, along with the use of FITC-labelled variants, opening new avenues for research in drug delivery and nanomedicine.","PeriodicalId":54339,"journal":{"name":"ChemNanoMat","volume":"10 9","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141552202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhancement of TiO2-Based Composite With Low Carbon-Based Component Ratio for Improved Hydrogen Generation via Photocatalytic Water Splitting 通过光催化水分离提高低碳基成分比例的二氧化钛基复合材料的制氢性能

IF 2.6 4区材料科学

ChemNanoMat Pub Date : 2024-07-01 DOI: 10.1002/cnma.202400121

Klara Perović, Marin Kovačić, Marijana Kraljić Roković, Hrvoje Kušić, Boštjan Genorio, Urška Lavrenčić Štangar, Nataša Novak Tušar, Ana Lončarić Božić

{"title":"Enhancement of TiO2-Based Composite With Low Carbon-Based Component Ratio for Improved Hydrogen Generation via Photocatalytic Water Splitting","authors":"Klara Perović, Marin Kovačić, Marijana Kraljić Roković, Hrvoje Kušić, Boštjan Genorio, Urška Lavrenčić Štangar, Nataša Novak Tušar, Ana Lončarić Božić","doi":"10.1002/cnma.202400121","DOIUrl":"10.1002/cnma.202400121","url":null,"abstract":"Composite between titanium dioxide (TiO2) and (reduced) graphene oxide (R(GO)) was prepared using a two-stage solvothermal synthesis with variable R(GO) mass ratios (0.01–5 wt.%). Partial reduction of the precursor solution of GO to RGO took place during the solvothermal synthesis at the elevated pressure and temperature conditions. The structural, morphological, and semiconducting characteristics of the obtained binary composites were determined and their capacity of hydrogen production via photocatalytic water splitting in the presence of triethanolamine (TEOA) as sacrificial agent under the simulated solar light irradiation was tested. Photocatalytic experiments have showed that even low mass ratios of R(GO) component (below 1 wt.%) can have a great influence on the photocatalytic activity and properties of the obtained material. The results showed that even a partial reduction of GO to RGO had a positive impact on the photocatalytic properties of the as-prepared materials. The composite with 0.05 R(GO) wt.% achieved the highest H2 generation rate of 139 μmol/h/g and maintained high photostability. The incorporation of R(GO) into the TiO2 matrix enhanced efficient charge separation, reduced the energy bandgap (Eg), and thus increased the visible light response (ΔE), leading to more effective hydrogen production.","PeriodicalId":54339,"journal":{"name":"ChemNanoMat","volume":"10 11","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141527604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ni/Hierarchical Zeolites Derived from Zeolites@Layered Double Hydroxides (LDHs) Composites for Furfural Hydrogenation 用于糠醛氢化的镍/层状沸石@层状双氢氧化物（LDHs）复合材料

IF 2.6 4区材料科学

ChemNanoMat Pub Date : 2024-07-01 DOI: 10.1002/cnma.202400100

Narasiri Maineawklang, Dr. Ploychanok Iadrat, Dr. Peerapol Pornsetmetakul, Anittha Prasertsab, Peeranat Chaipornchalerm, Dr. Saros Salakhum, Dr. Supakorn Tantisriyanurak, Dr. Chadatip Rodaum, Assoc. Prof. Dr. Chularat Wattanakit

{"title":"Ni/Hierarchical Zeolites Derived from Zeolites@Layered Double Hydroxides (LDHs) Composites for Furfural Hydrogenation","authors":"Narasiri Maineawklang, Dr. Ploychanok Iadrat, Dr. Peerapol Pornsetmetakul, Anittha Prasertsab, Peeranat Chaipornchalerm, Dr. Saros Salakhum, Dr. Supakorn Tantisriyanurak, Dr. Chadatip Rodaum, Assoc. Prof. Dr. Chularat Wattanakit","doi":"10.1002/cnma.202400100","DOIUrl":"10.1002/cnma.202400100","url":null,"abstract":"Furfural hydrogenation is one of the most important reactions for the transformation of biomass-derived resources into high value-added chemicals. To achieve a highly efficient catalytic activity of the reaction, catalysts with a high dispersion of metal nanoparticles (NPs) on solid supports are required. However, the development of highly efficient and stable catalysts is still challenging. Herein, the highly dispersed nickel nanoparticles (Ni NPs) supported on the hierarchical ZSM-5 nanosheets (Z5-NS) derived from the hierarchical ZSM-5 nanosheets@NiAl-layered double hydroxides (LDHs) composites were successfully fabricated. Remarkably, the fabricated Z5-NS/Ni catalyst exhibited a high furfural conversion of 85 % with a yield of furfuryl alcohol of 60 %. This work illustrates the fabrication of highly metal dispersed on solid supports with high metal loading, which can enhance the catalytic performances in the hydrogenation of biomass-derived compounds.","PeriodicalId":54339,"journal":{"name":"ChemNanoMat","volume":"10 11","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141527605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Highly Efficient and Robust Platinum Nanocluster Catalyst Mediated by Polyamine Amidine-Decorated Mesoporous Polymer Beads 多胺脒装饰介孔聚合物珠介导的高效罗布斯铂纳米簇催化剂

IF 2.6 4区材料科学

ChemNanoMat Pub Date : 2024-06-30 DOI: 10.1002/cnma.202400187

Dr. Chenhui Li, Bingxin Li, Prof. Ming Jin, Prof. Decheng Wan, Prof. Biqiong Chen

引用次数: 0

Electrochemical Biosensors for Blood-Borne Viruses Detection: A Review 用于检测血源性病毒的电化学生物传感器：综述

IF 2.6 4区材料科学

ChemNanoMat Pub Date : 2024-06-28 DOI: 10.1002/cnma.202400032

Dr. Kiana Ketabi, Dr. Arash Mohammadinejad, Prof. Hoorieh Soleimanjahi, Assist. Prof. Majid Rezayi, Prof. Zahra Meshkat

引用次数: 0

Ramie Degumming Waste-Derived Nitrogen and Molybdenum Dual-Doped Porous Carbon for High-Performance Lithium–Sulfur Batteries 苎麻脱胶废物衍生生物质碳用于高性能锂硫电池

IF 2.6 4区材料科学

ChemNanoMat Pub Date : 2024-06-26 DOI: 10.1002/cnma.202400311

Dr. Zhehan Yang, Qingling Ruan, Prof. Tiezhu Chen, Dr. Xiaolei Ren, Juan Lin, Prof. Xingxing Gu

{"title":"Ramie Degumming Waste-Derived Nitrogen and Molybdenum Dual-Doped Porous Carbon for High-Performance Lithium–Sulfur Batteries","authors":"Dr. Zhehan Yang, Qingling Ruan, Prof. Tiezhu Chen, Dr. Xiaolei Ren, Juan Lin, Prof. Xingxing Gu","doi":"10.1002/cnma.202400311","DOIUrl":"10.1002/cnma.202400311","url":null,"abstract":"The high energy density and low cost of sulfur make lithium–sulfur batteries one of the most promising candidates for the next generation of energy storage. Nevertheless, the application is still hampered by the shuttle effect of soluble lithium polysulfides (LiPSs) intermediates and slow redox kinetics, resulting in irreversible loss of the active material, severe self-discharge and poor cycle stability of the electrode. Therefore, in this work, a novel Mo,N co-doped porous carbon (Mo,N−C) was successfully synthesized by simply calcining a mixture of ramie degumming waste with cost-effective molybdenum salt, and then employed as the LiPSs anchor. Due to the conductive carbon matrix, abundant porous structures as well as the doping Mo and N heteroatoms, the sluggish redox kinetic of the cathode has been significantly improved and the shuttle phenomenon of LiPSs has been effectively inhibited, consequently, the as-prepared Mo,N−C/S-0.4 composite cathode could demonstrate a good initial capacity of 1379.2 mAh g−1 at 0.2 C, and the reversible capacity could remain at 997.5 mAh g−1 after 100 cycles. Even at a high discharge rate of 1.0 C, the capacity could remain at 700.2 mAh g−1 after 400 cycles. This work provides a new avenue for utilizing waste biomass in clean energy storage.","PeriodicalId":54339,"journal":{"name":"ChemNanoMat","volume":"10 10","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141507028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0