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Xu Y, Qi J, Ma C, He Q. Wet-Chemical Synthesis of Elemental 2D Materials. Chem Asian J 2024; 19:e202301152. [PMID: 38469659 DOI: 10.1002/asia.202301152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 03/13/2024]
Abstract
Wet-chemical synthesis refers to the bottom-up chemical synthesis in solution, which is among the most popular synthetic approaches towards functional two-dimensional (2D) materials. It offers several advantages, including cost-effectiveness, high yields,, precious control over the production process. As an emerging family of 2D materials, elemental 2D materials (Xenes) have shown great potential in various applications such as electronics, catalysts, biochemistry,, sensing technologies due to their exceptional/exotic properties such as large surface area, tunable band gap,, high carrier mobility. In this review, we provide a comprehensive overview of the current state-of-the-art in wet-chemical synthesis of Xenes including tellurene, bismuthene, antimonene, phosphorene,, arsenene. The current solvent compositions, process parameters utilized in wet-chemical synthesis, their effects on the thickness, stability of the resulting Xenes are also presented. Key factors considered involves ligands, precursors, surfactants, reaction time, temperature. Finally, we highlight recent advances, existing challenges in the current application of wet-chemical synthesis for Xenes production, provide perspectives on future improvement.
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Affiliation(s)
- Yue Xu
- Department of Materials Science, Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Junlei Qi
- Department of Materials Science, Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Cong Ma
- Department of Materials Science, Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Qiyuan He
- Department of Materials Science, Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
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2
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Ham JH, Park JS, Oh MK, Kim JH. Reusable Wrinkled Nanoporous Silver Film Fabricated by Plasma Treatment for Surface-Enhanced Raman Scattering Applications. ACS OMEGA 2023; 8:47146-47152. [PMID: 38107931 PMCID: PMC10720294 DOI: 10.1021/acsomega.3c07167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 11/09/2023] [Accepted: 11/22/2023] [Indexed: 12/19/2023]
Abstract
A nanoporous silver film (npAgF), a promising structure for surface-enhanced Raman spectroscopy (SERS), can be fabricated by using successive O2 and Ar plasma treatments on a planar silver film. The common dealloying method for producing an npAgF involves annealing at high temperatures to produce an alloy film, as well as harsh etching using corrosive chemicals. By contrast, the plasma-based method can be applied directly to various functional substrates to produce more sophisticated npAgF structures. Herein, we report a facile fabrication method for a wrinkled npAgF (w-npAgF) for SERS applications using a thermally contractible polystyrene substrate. The w-npAgF had 3D wrinkles of the nanoporous structure and showed approximately 8 times higher SERS enhancement than did the flat npAgF. Moreover, the w-npAgF could be reused for multiple SERS measurements of different molecules by mild O2 and Ar plasma treatments after each use, in which the O2 plasma effectively removed the adsorbed organic molecules and the Ar plasma reduced silver oxide to pristine silver for subsequent SERS measurements. The wrinkled nanoporous structure was maintained after multiple mild plasma treatments for reuse. The simplicity of plasma-based fabrication and high sensitivity of w-npAgFs are promising features for the green production of low-cost and reusable 3D SERS substrates.
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Affiliation(s)
- Jin-Hyun Ham
- Advanced Photonics Research Institute
(APRI), Gwangju Institute of Science and
Technology, Gwangju 61005, Republic
of Korea
| | - Jung Su Park
- Advanced Photonics Research Institute
(APRI), Gwangju Institute of Science and
Technology, Gwangju 61005, Republic
of Korea
| | - Myoung-Kyu Oh
- Advanced Photonics Research Institute
(APRI), Gwangju Institute of Science and
Technology, Gwangju 61005, Republic
of Korea
| | - Joon Heon Kim
- Advanced Photonics Research Institute
(APRI), Gwangju Institute of Science and
Technology, Gwangju 61005, Republic
of Korea
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3
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Zhang L, Gonçalves AAS, Jaroniec M. Synthesis of nanoporous carbonaceous materials at lower temperatures. Front Chem 2023; 11:1277826. [PMID: 37901162 PMCID: PMC10606552 DOI: 10.3389/fchem.2023.1277826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/02/2023] [Indexed: 10/31/2023] Open
Abstract
Nanoporous carbonaceous materials are ideal ingredients in various industrial products due to their large specific surface area. They are typically prepared by post-synthesis activation and templating methods. Both methods require the input of large amounts of energy to sustain thermal treatment at high temperatures (typically >600°C), which is clearly in violation of the green-chemistry principles. To avoid this issue, other strategies have been developed for the synthesis of carbonaceous materials at lower temperatures (<600°C). This mini review is focused on three strategies suitable for processing carbons at lower temperatures, namely, hydrothermal carbonization, in situ hard templating method, and mechanically induced self-sustaining reaction. Typical procedures of these strategies are demonstrated by using recently reported examples. At the end, some problems associated with the strategies and potential solutions are discussed.
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Affiliation(s)
- Liping Zhang
- Faculty of Materials Science, Shenzhen MSU-BIT University, Shenzhen, China
| | | | - Mietek Jaroniec
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH, United States
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Pavlenko A. Heat and Mass Transfer in Porous Materials. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5591. [PMID: 37629882 PMCID: PMC10456600 DOI: 10.3390/ma16165591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023]
Abstract
Currently, porous materials (PM) are actively used in many fields of science and technology, and the processes of heat and mass transfer in porous materials underlie a wide variety of industrial technologies [...].
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Affiliation(s)
- Anatoliy Pavlenko
- Department of Building Physics and Renewable Energy, Kielce University of Technology, Aleja Tysiąclecia Państwa Polskiego, 7, 25-314 Kielce, Poland
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Tang L, Wu P, Zhuang H, Qin Z, Yu P, Fu K, Qiu P, Liu Y, Zhou Y. Nitric oxide releasing polyvinyl alcohol and sodium alginate hydrogels as antibacterial and conductive strain sensors. Int J Biol Macromol 2023; 241:124564. [PMID: 37094648 DOI: 10.1016/j.ijbiomac.2023.124564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 04/15/2023] [Accepted: 04/18/2023] [Indexed: 04/26/2023]
Abstract
Conductive hydrogels have promising applications in flexible electronic devices and artificial intelligence, which have attracted much attention in recent years. However, most conductive hydrogels have no antimicrobial activity, inevitably leading to microbial infections during utilization. In this work, a series of antibacterial and conductive polyvinyl alcohol and sodium alginate (PVA-SA) hydrogels were successfully developed with the incorporation of S-nitroso-N-acetyl-penicillamine (SNAP) and MXene through a freeze-thaw approach. Due to the reversibility of hydrogen bonding and electrostatic interactions, the resulting hydrogels had excellent mechanical properties. Specifically, the presence of MXene readily interrupted the crosslinked hydrogel network, but the best stretching can reach up to >300 %. Moreover, the impregnation of SNAP achieved the release of NO over several days under physiological conditions. Due to the release of NO, these composited hydrogels demonstrated high antibacterial activities (> 99 %) against both Gram-positive and negative S. aureus and E. coli bacteria. Notably, the excellent conductivity of MXene endowed the hydrogel with a sensitive, fast, and stable strain-sensing ability, to accurately monitor and distinguish subtle physiological activities of the human body including finger bending and pulse beating. These novel composited hydrogels are likely to have potential as strain-sensing materials in the field of biomedical flexible electronics.
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Affiliation(s)
- Lingjuan Tang
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan 570228, China
| | - Peixuan Wu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan 570228, China
| | - Hao Zhuang
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan 570228, China
| | - Ziyu Qin
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan 570228, China
| | - Peng Yu
- Department of Joint Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou 570102, China
| | - Kun Fu
- Department of Joint Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou 570102, China
| | - Ping Qiu
- Haikou Wuyuanhe School, Haikou, Hainan 570312, China
| | - Yuanyuan Liu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan 570228, China.
| | - Yang Zhou
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan 570228, China.
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Li T, Xia X, Wu G, Cai Q, Lyu X, Ning J, Wang J, Kuang M, Yang Y, Pica Ciamarra M, Ni R, Yang D, Dong A. Mismatched ligand density enables ordered assembly of mixed-dimensional, cross-species materials. SCIENCE ADVANCES 2022; 8:eabq0969. [PMID: 35776790 PMCID: PMC10883371 DOI: 10.1126/sciadv.abq0969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The ordered coassembly of mixed-dimensional species-such as zero-dimensional (0D) nanocrystals and 2D microscale nanosheets-is commonly deemed impracticable, as phase separation almost invariably occurs. Here, by manipulating the ligand grafting density, we achieve ordered coassembly of 0D nanocrystals and 2D nanosheets under standard solvent evaporation conditions, resulting in macroscopic, freestanding hybrid-dimensional superlattices with both out-of-plane and in-plane order. The key to suppressing the notorious phase separation lies in hydrophobizing nanosheets with molecular ligands identical to those of nanocrystals but having substantially lower grafting density. The mismatched ligand density endows the two mixed-dimensional components with a molecular recognition-like capability, driving the spontaneous organization of densely capped nanocrystals at the interlayers of sparsely grafted nanosheets. Theoretical calculations reveal that the intercalation of nanocrystals can substantially reduce the short-range repulsions of ligand-grafted nanosheets and is therefore energetically favorable, while subsequent ligand-ligand van der Waals attractions induce the in-plane order and kinetically stabilize the laminate superlattice structure.
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Affiliation(s)
- Tongtao Li
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, China
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Xiuyang Xia
- Chemical Engineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Guanhong Wu
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Qingfu Cai
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Xuanyu Lyu
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Jing Ning
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Jing Wang
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Min Kuang
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Yuchi Yang
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Massimo Pica Ciamarra
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Ran Ni
- Chemical Engineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Dong Yang
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Angang Dong
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, China
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Lim YJ, Goh K, Wang R. The coming of age of water channels for separation membranes: from biological to biomimetic to synthetic. Chem Soc Rev 2022; 51:4537-4582. [PMID: 35575174 DOI: 10.1039/d1cs01061a] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Water channels are one of the key pillars driving the development of next-generation desalination and water treatment membranes. Over the past two decades, the rise of nanotechnology has brought together an abundance of multifunctional nanochannels that are poised to reinvent separation membranes with performances exceeding those of state-of-the-art polymeric membranes within the water-energy nexus. Today, these water nanochannels can be broadly categorized into biological, biomimetic and synthetic, owing to their different natures, physicochemical properties and methods for membrane nanoarchitectonics. Furthermore, against the backdrop of different separation mechanisms, different types of nanochannel exhibit unique merits and limitations, which determine their usability and suitability for different membrane designs. Herein, this review outlines the progress of a comprehensive amount of nanochannels, which include aquaporins, pillar[5]arenes, I-quartets, different types of nanotubes and their porins, graphene-based materials, metal- and covalent-organic frameworks, porous organic cages, MoS2, and MXenes, offering a comparative glimpse into where their potential lies. First, we map out the background by looking into the evolution of nanochannels over the years, before discussing their latest developments by focusing on the key physicochemical and intrinsic transport properties of these channels from the chemistry standpoint. Next, we put into perspective the fabrication methods that can nanoarchitecture water channels into high-performance nanochannel-enabled membranes, focusing especially on the distinct differences of each type of nanochannel and how they can be leveraged to unlock the as-promised high water transport potential in current mainstream membrane designs. Lastly, we critically evaluate recent findings to provide a holistic qualitative assessment of the nanochannels with respect to the attributes that are most strongly valued in membrane engineering, before discussing upcoming challenges to share our perspectives with researchers for pathing future directions in this coming of age of water channels.
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Affiliation(s)
- Yu Jie Lim
- Singapore Membrane Technology Center, Nanyang Environment and Water Research Institute, Nanyang Technological University, 637141, Singapore. .,School of Civil and Environmental Engineering, Nanyang Technological University, 639798, Singapore.,Interdisciplinary Graduate Programme, Graduate College, Nanyang Technological University, 637553, Singapore
| | - Kunli Goh
- Singapore Membrane Technology Center, Nanyang Environment and Water Research Institute, Nanyang Technological University, 637141, Singapore.
| | - Rong Wang
- Singapore Membrane Technology Center, Nanyang Environment and Water Research Institute, Nanyang Technological University, 637141, Singapore. .,School of Civil and Environmental Engineering, Nanyang Technological University, 639798, Singapore
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8
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Li Y, Jiao J, Wu Q, Song Q, Xie W, Liu B. Environmental applications of graphene oxide composite membranes. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.01.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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9
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Głowniak S, Szczęśniak B, Choma J, Jaroniec M. Advances in Microwave Synthesis of Nanoporous Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2103477. [PMID: 34580939 DOI: 10.1002/adma.202103477] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/28/2021] [Indexed: 05/03/2023]
Abstract
Usually, porous materials are synthesized by using conventional electric heating, which can be energy- and time-consuming. Microwave heating is commonly used in many households to quickly heat food. Microwave ovens can also be used as powerful devices in the synthesis of various porous materials. The microwave-assisted synthesis offers a simple, fast, efficient, and economic way to obtain many of the advanced nanomaterials. This review summarizes the recent achievements in the microwave-assisted synthesis of diverse groups of nanoporous materials including silicas, carbons, metal-organic frameworks, and metal oxides. Microwave-assisted methods afford highly porous materials with high specific surface areas (SSAs), e.g., activated carbons with SSA ≈3100 m2 g-1 , metal-organic frameworks with SSA ≈4200 m2 g-1 , covalent organic frameworks with SSA ≈2900 m2 g-1 , and metal oxides with relatively small SSA ≈300 m2 g-1 . These methods are also successfully implemented for the preparation of ordered mesoporous silicas and carbons as well as spherically shaped nanomaterials. Most of the nanoporous materials obtained under microwave irradiation show potential applications in gas adsorption, water treatment, catalysis, energy storage, and drug delivery, among others.
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Affiliation(s)
- Sylwia Głowniak
- Institute of Chemistry, Military University of Technology, Warsaw, 00-908, Poland
| | - Barbara Szczęśniak
- Institute of Chemistry, Military University of Technology, Warsaw, 00-908, Poland
| | - Jerzy Choma
- Institute of Chemistry, Military University of Technology, Warsaw, 00-908, Poland
| | - Mietek Jaroniec
- Department of Chemistry and Biochemistry, Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH, 44242, USA
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Hydrophilic arginine-functionalized mesoporous polydopamine-graphene oxide composites for glycopeptides analysis. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1189:123049. [PMID: 34840084 DOI: 10.1016/j.jchromb.2021.123049] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 11/02/2021] [Accepted: 11/16/2021] [Indexed: 01/13/2023]
Abstract
Considering the importance of glycopeptides in the clinical diagnosis of cancer and some serious diseases, the identification of glycopeptides from complex biological samples has attracted considerable attention. Effective pre-enrichment before mass spectrometry analysis plays an important role. In this work, a kind of hydrophilic two-dimensional composites (denoted as GO@MPDA@Arg) based on mesoporous polydopamine-graphene oxide were used to selectively enrich glycopeptides in biological samples. The mesoporous polydopamine (MPDA) layer self-assembled with template Pluronic F127 provided more binding sites to load arginine, and bound arginine enhanced the hydrophilicity of the material. As a result, GO@MPDA@Arg composites exhibited excellent enrichment performance for glycopeptides, containing good selectivity (IgG digests : BSA digests = 1:50, molar ratio), low detection limit for IgG digests (10 fmol μL-1), high loading capacity for IgG digests (200 μg mg-1), and good size exclusion (IgG digests : IgG : BSA = 1:100:100, mass ratio). In addition, mouse brain tissue was selected as the actual biological sample to further study the enrichment effect of GO@MPDA@Arg composites. In three parallel experiments, a total of 401 glycopeptides belonging to 233 glycoproteins were enriched from 200 μg digestion of mouse brain extract. The enrichment results demonstrate that GO@MPDA@Arg composites have application potential for glycopeptides enrichment in protein post-translational modification research.
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A simple and reliable approach for the fabrication of nanoporous silver patterns for surface-enhanced Raman spectroscopy applications. Sci Rep 2021; 11:22295. [PMID: 34785690 PMCID: PMC8595463 DOI: 10.1038/s41598-021-01727-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 10/26/2021] [Indexed: 11/27/2022] Open
Abstract
The fabrication of plasmonic nanostructures with a reliable, low cost and easy approach has become a crucial and urgent challenge in many fields, including surface-enhanced Raman spectroscopy (SERS) based applications. In this frame, nanoporous metal films are quite attractive, due to their intrinsic large surface area and high density of metal nanogaps, acting as hot-spots for Raman signal enhancement. In this paper, we report a detailed study on the fabrication of nanoporous silver-based SERS substrates, obtained by the application of two successive treatments with an Inductively Coupled Plasma (ICP) system, using synthetic air and Ar as feeding gases. The obtained substrates exhibit a quite broad plasmonic response, covering the Vis–NIR range, and an enhancement factor reaching 6.5 \documentclass[12pt]{minimal}
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\begin{document}$$\times\, 10^7$$\end{document}×107, estimated by using 4-mercaptobenzoic acid (4-MBA) as probe molecule at 532 nm. Moreover, the substrates exhibit a quite good spatial reproducibility on a centimeter scale, which assures a good signal stability for analytical measurements. Globally, the developed protocol is easy and cost effective, potentially usable also for mass production thanks to the remarkable inter-batches reproducibility. As such, it holds promise for its use in SERS-based sensing platforms for sensitive detection of targets molecules.
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Dagdug L, Berezhkovskii AM, Zitserman VY, Bezrukov SM. Effective diffusivity of a Brownian particle in a two-dimensional periodic channel of abruptly alternating width. Phys Rev E 2021; 103:062106. [PMID: 34271681 DOI: 10.1103/physreve.103.062106] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 05/13/2021] [Indexed: 11/07/2022]
Abstract
We study diffusion of a Brownian particle in a two-dimensional periodic channel of abruptly alternating width. Our main result is a simple approximate analytical expression for the particle effective diffusivity, which shows how the diffusivity depends on the geometric parameters of the channel: lengths and widths of its wide and narrow segments. The result is obtained in two steps: first, we introduce an approximate one-dimensional description of particle diffusion in the channel, and second, we use this description to derive the expression for the effective diffusivity. While the reduction to the effective one-dimensional description is standard for systems of smoothly varying geometry, such a reduction in the case of abruptly changing geometry requires a new methodology used here, which is based on the boundary homogenization approach to the trapping problem. To test the accuracy of our analytical expression and thus establish the range of its applicability, we compare analytical predictions with the results obtained from Brownian dynamics simulations. The comparison shows excellent agreement between the two, on condition that the length of the wide segment of the channel is equal to or larger than its width.
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Affiliation(s)
- Leonardo Dagdug
- Departamento de Fisica, Universidad Autonoma Metropolitana-Iztapalapa, 09340 Mexico City, Mexico
| | - Alexander M Berezhkovskii
- Mathematical and Statistical Computing Laboratory, Office of Intramural Research, Center for Information Technology, National Institutes of Health, Bethesda, Maryland 20819, USA
| | - Vladimir Yu Zitserman
- Joint Institute for High temperatures, Russian Academy of Sciences, Izhorskaya 13, Bldg. 2, Moscow 125412, Russia
| | - Sergey M Bezrukov
- Section of Molecular Transport, Eunice Kennedy Shriver National Institute of Child health and Human Development, National Institutes of Health, Bethesda, Maryland 20819, USA
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13
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Bicontinuous Gyroid Phase of a Water-Swollen Wedge-Shaped Amphiphile: Studies with In-Situ Grazing-Incidence X-ray Scattering and Atomic Force Microscopy. MATERIALS 2021; 14:ma14112892. [PMID: 34071178 PMCID: PMC8198821 DOI: 10.3390/ma14112892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 05/22/2021] [Accepted: 05/24/2021] [Indexed: 11/16/2022]
Abstract
We report on formation of a bicontinuous double gyroid phase by a wedge-shaped amphiphilic mesogen, pyridinium 4′-[3″,4″,5″-tris-(octyloxy)benzoyloxy]azobenzene-4-sulfonate. It is found that this compound can self-organize in zeolite-like structures adaptive to environmental conditions (e.g., temperature, humidity, solvent vapors). Depending on the type of the phase, the structure contains 1D, 2D, or 3D networks of nanometer-sized ion channels. Of particular interest are bicontinuous phases, such as the double gyroid phase, as they hold promise for applications in separation and energy. Specially designed environmental cells compatible with grazing-incidence X-ray scattering and atomic force microscopy enable simultaneous measurements of structural parameters/morphology during vapor-annealing treatment at different temperatures. Such in-situ approach allows finding the environmental conditions at which the double gyroid phase can be formed and provide insights on the supramolecular structure of thin films at different spatial levels.
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14
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Che S, Li C, Wang C, Zaheer W, Ji X, Phillips B, Gurbandurdyyev G, Glynn J, Guo ZH, Al-Hashimi M, Zhou HC, Banerjee S, Fang L. Solution-processable porous graphitic carbon from bottom-up synthesis and low-temperature graphitization. Chem Sci 2021; 12:8438-8444. [PMID: 34221325 PMCID: PMC8221055 DOI: 10.1039/d1sc01902c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 05/17/2021] [Indexed: 11/21/2022] Open
Abstract
It is urgently desired yet challenging to synthesize porous graphitic carbon (PGC) in a bottom-up manner while circumventing the need for high-temperature pyrolysis. Here we present an effective and scalable strategy to synthesize PGC through acid-mediated aldol triple condensation followed by low-temperature graphitization. The deliberate structural design enables its graphitization in situ in solution and at low pyrolysis temperature. The resulting material features ultramicroporosity characterized by a sharp pore size distribution. In addition, the pristine homogeneous composition of the reaction mixture allows for solution-processability of the material for further characterization and applications. Thin films of this PGC exhibit several orders of magnitude higher electrical conductivity compared to analogous control materials that are carbonized at the same temperatures. The integration of low-temperature graphitization and solution-processability not only allows for an energy-efficient method for the production and fabrication of PGC, but also paves the way for its wider employment in applications such as electrocatalysis, sensing, and energy storage.
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Affiliation(s)
- Sai Che
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum Changping Beijing 102249 China
| | - Chenxuan Li
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
| | - Chenxu Wang
- Department of Materials Science & Engineering, Texas A&M University College Station Texas 77843 USA
| | - Wasif Zaheer
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
| | - Xiaozhou Ji
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
| | - Bailey Phillips
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
| | | | - Jessica Glynn
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
| | - Zi-Hao Guo
- South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology Guangzhou Guangdong 510640 China
| | - Mohammed Al-Hashimi
- Department of Chemistry, Texas A&M University at Qatar P. O. Box 23874 Doha Qatar
| | - Hong-Cai Zhou
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
- Department of Materials Science & Engineering, Texas A&M University College Station Texas 77843 USA
| | - Sarbajit Banerjee
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
- Department of Materials Science & Engineering, Texas A&M University College Station Texas 77843 USA
| | - Lei Fang
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
- Department of Materials Science & Engineering, Texas A&M University College Station Texas 77843 USA
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15
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Wu J, Liu S, Huang J, Cui Y, Ma P, Wu D, Matyjaszewski K. Fabrication of Advanced Hierarchical Porous Polymer Nanosheets and Their Application in Lithium–Sulfur Batteries. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00055] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jinlun Wu
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Shaohong Liu
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Junlong Huang
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Yin Cui
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Pengwei Ma
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Dingcai Wu
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
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16
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Petukhov DI, Kapitanova OO, Eremina EA, Goodilin EA. Preparation, chemical features, structure and applications of membrane materials based on graphene oxide. MENDELEEV COMMUNICATIONS 2021. [DOI: 10.1016/j.mencom.2021.03.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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17
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Benu DP, Earnshaw J, Ashok A, Tsuchiya K, Saptiama I, Yuliarto B, Suendo V, Mukti RR, Fukumitsu N, Ariga K, Kaneti YV, Yamauchi Y. Mesoporous Alumina-Titania Composites with Enhanced Molybdenum Adsorption towards Medical Radioisotope Production. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20200282] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Didi Prasetyo Benu
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Department of Chemistry, Universitas Timor, Kefamenanu 85613, Indonesia
| | - Jacob Earnshaw
- School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia
| | - Aditya Ashok
- School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia
| | - Kunihiko Tsuchiya
- Japan Atomic Energy Agency (JAEA), 4002 Narita, Oarai, Higashi-Ibaraki, Ibaraki 311-1393, Japan
| | - Indra Saptiama
- Center for Radioisotope and Radiopharmaceutical Technology, National Nuclear Energy Agency (BATAN), Puspiptek Area, Serpong, South Tangerang, Indonesia
| | - Brian Yuliarto
- Engineering Physics Department, Institute of Technology Bandung, Bandung 40132, Indonesia
- Research Center for Nanosciences and Nanotechnology (RCNN), Institute of Technology Bandung, Bandung 40132, Indonesia
| | - Veinardi Suendo
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Research Center for Nanosciences and Nanotechnology (RCNN), Institute of Technology Bandung, Bandung 40132, Indonesia
| | - Rino Rakhmata Mukti
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Research Center for Nanosciences and Nanotechnology (RCNN), Institute of Technology Bandung, Bandung 40132, Indonesia
| | - Nobuyoshi Fukumitsu
- Department of Radiation Oncology, Kobe Proton Center, 1-6-8 Minatojima-Minamimachi, Chuo-ku, Kobe, Hyogo 605-0047, Japan
| | - Katsuhiko Ariga
- JST-ERATO Yamauchi Materials Space-Tectonics Project and World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Yusuf Valentino Kaneti
- JST-ERATO Yamauchi Materials Space-Tectonics Project and World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Yusuke Yamauchi
- School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia
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