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Dong L, Li L, Chen H, Cao Y, Lei H. Mechanochemistry: Fundamental Principles and Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2403949. [PMID: 39206931 DOI: 10.1002/advs.202403949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 07/30/2024] [Indexed: 09/04/2024]
Abstract
Mechanochemistry is an emerging research field at the interface of physics, mechanics, materials science, and chemistry. Complementary to traditional activation methods in chemistry, such as heat, electricity, and light, mechanochemistry focuses on the activation of chemical reactions by directly or indirectly applying mechanical forces. It has evolved as a powerful tool for controlling chemical reactions in solid state systems, sensing and responding to stresses in polymer materials, regulating interfacial adhesions, and stimulating biological processes. By combining theoretical approaches, simulations and experimental techniques, researchers have gained intricate insights into the mechanisms underlying mechanochemistry. In this review, the physical chemistry principles underpinning mechanochemistry are elucidated and a comprehensive overview of recent significant achievements in the discovery of mechanically responsive chemical processes is provided, with a particular emphasis on their applications in materials science. Additionally, The perspectives and insights into potential future directions for this exciting research field are offered.
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Affiliation(s)
- Liang Dong
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing, Jiangsu, 210093, P. R. China
| | - Luofei Li
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing, Jiangsu, 210093, P. R. China
| | - Huiyan Chen
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing, Jiangsu, 210093, P. R. China
| | - Yi Cao
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing, Jiangsu, 210093, P. R. China
| | - Hai Lei
- School of Physics, Zhejiang University, Hangzhou, Zhejiang, 310027, P. R. China
- Institute of Advanced Physics, Zhejiang University, Hangzhou, Zhejiang, 310027, P. R. China
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Xu J, Xie Y, Yao Q, Lv L, Chu H. Advances in sustainable nano-biochar: precursors, synthesis methods and applications. NANOSCALE 2024; 16:15009-15032. [PMID: 39041285 DOI: 10.1039/d4nr01694g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
Nano-biochar, characterized by its environmentally friendly nature and unique nanostructure, offers a promising avenue for sustainable carbon materials. With its small particle size, large specific surface area, abundant functional groups and tunable pore structure, nano-biochar stands out due to its distinct physical and chemical properties compared to conventional biochar. This paper aims to provide an in-depth exploration of nano-biochar, covering its sources, transformation mechanisms, properties, applications, and areas requiring further research. The discussion begins with an overview of biomass sources for nano-biochar production and the conversion processes involved. Subsequently, primary synthesis methods and strategies for functionalization enhancement are examined. Furthermore, the applications of nano-biochar in catalysis, energy storage, and pollutant adsorption and degradation are explored and enhanced in various fields.
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Affiliation(s)
- Junchao Xu
- School of Energy and Environment, Anhui University of Technology, Maanshan 243000, Anhui Province, PR China.
| | - Yiming Xie
- School of Energy and Environment, Anhui University of Technology, Maanshan 243000, Anhui Province, PR China.
| | - Qingdong Yao
- School of Energy and Environment, Anhui University of Technology, Maanshan 243000, Anhui Province, PR China.
| | - Li Lv
- College of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, Zhejiang Province, PR China
| | - Huaqiang Chu
- School of Energy and Environment, Anhui University of Technology, Maanshan 243000, Anhui Province, PR China.
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Kim SJ, Hui Kim M, Jung Lee S, Yavuz CT, Jeon IY. Sustainable Gas Storage: CO 2 Activation of Edge-Functionalized Graphitic Nanoplatelets. CHEMSUSCHEM 2024; 17:e202301145. [PMID: 38578225 DOI: 10.1002/cssc.202301145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 02/28/2024] [Indexed: 04/06/2024]
Abstract
Graphitic nanoplatelets (GnPs), edge-selectively carboxylated graphitic nanoplatelets (ECGnPs), are functionalized with a carboxylic acid at the edge increasing their surface area, and are highly dispersible in various solvents. However, there is a limit in that the basal plane remains intact because it is functionalized only in the part where the radical is generated at the edge. Here, we activate ECGnPs to have porous structures by flowing CO2 at 900 °C. Etching of the ECGnPs structure was performed through the Boudouard reaction, and the surface area increased from 579 m2 g-1 to a maximum of 2462 m2 g-1. In addition, the pore structure was investigated with various adsorption gases (CH4, Ar, CO2, H2, and N2) according to the reaction time. This study provides the overall green chemistry in that it utilizes CO2 from manufacturing to activation compared to the process of activating with conventional chemical treatment.
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Affiliation(s)
- Seok-Jin Kim
- Advanced Membranes & Porous Materials Center (AMPMC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955, Saudi Arabia
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955, Saudi Arabia
| | - Min Hui Kim
- Department of Chemical Engineering/Nanoscale Environmental Sciences and Technology Institute, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea
| | - Se Jung Lee
- Department of Chemical Engineering/Nanoscale Environmental Sciences and Technology Institute, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea
| | - Cafer T Yavuz
- Advanced Membranes & Porous Materials Center (AMPMC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955, Saudi Arabia
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955, Saudi Arabia
| | - In-Yup Jeon
- Department of Chemical Engineering/Nanoscale Environmental Sciences and Technology Institute, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea
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Zhai Q, Huang H, Lawson T, Xia Z, Giusto P, Antonietti M, Jaroniec M, Chhowalla M, Baek JB, Liu Y, Qiao S, Dai L. Recent Advances on Carbon-Based Metal-Free Electrocatalysts for Energy and Chemical Conversions. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2405664. [PMID: 39049808 DOI: 10.1002/adma.202405664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 07/04/2024] [Indexed: 07/27/2024]
Abstract
Over the last decade, carbon-based metal-free electrocatalysts (C-MFECs) have become important in electrocatalysis. This field is started thanks to the initial discovery that nitrogen atom doped carbon can function as a metal-free electrode in alkaline fuel cells. A wide variety of metal-free carbon nanomaterials, including 0D carbon dots, 1D carbon nanotubes, 2D graphene, and 3D porous carbons, has demonstrated high electrocatalytic performance across a variety of applications. These include clean energy generation and storage, green chemistry, and environmental remediation. The wide applicability of C-MFECs is facilitated by effective synthetic approaches, e.g., heteroatom doping, and physical/chemical modification. These methods enable the creation of catalysts with electrocatalytic properties useful for sustainable energy transformation and storage (e.g., fuel cells, Zn-air batteries, Li-O2 batteries, dye-sensitized solar cells), green chemical production (e.g., H2O2, NH3, and urea), and environmental remediation (e.g., wastewater treatment, and CO2 conversion). Furthermore, significant advances in the theoretical study of C-MFECs via advanced computational modeling and machine learning techniques have been achieved, revealing the charge transfer mechanism for rational design and development of highly efficient catalysts. This review offers a timely overview of recent progress in the development of C-MFECs, addressing material syntheses, theoretical advances, potential applications, challenges and future directions.
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Affiliation(s)
- Qingfeng Zhai
- Australian Research Council Centre of Excellence for Carbon Science and Innovation, Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, University of New South Wales, Sydney, 2052, New South Wales, Australia
| | - Hetaishan Huang
- Australian Research Council Centre of Excellence for Carbon Science and Innovation, Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, University of New South Wales, Sydney, 2052, New South Wales, Australia
| | - Tom Lawson
- Australian Research Council Centre of Excellence for Carbon Science and Innovation, Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, University of New South Wales, Sydney, 2052, New South Wales, Australia
| | - Zhenhai Xia
- Australian Research Council Centre of Excellence for Carbon Science and Innovation, Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, University of New South Wales, Sydney, 2052, New South Wales, Australia
| | - Paolo Giusto
- Department of Colloid Chemistry, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam, Germany
| | - Markus Antonietti
- Department of Colloid Chemistry, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam, Germany
| | - Mietek Jaroniec
- Department of Chemistry and Biochemistry, Kent State University, Kent, 44240, OH, USA
| | - Manish Chhowalla
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, CB3 0FS, UK
| | - Jong-Beom Baek
- Ulsan National Institute of Science & Technology (UNIST), Ulsan, 44919, South Korea
| | - Yun Liu
- Research School of Chemistry, The Australian National University, Canberra, 2601, Australia
| | - Shizhang Qiao
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, 5005, SA, Australia
| | - Liming Dai
- Australian Research Council Centre of Excellence for Carbon Science and Innovation, Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, University of New South Wales, Sydney, 2052, New South Wales, Australia
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Du Z, Yu F, Wang J, Li J, Wang X, Qian A. Catalytic effects of graphene structures on Pt/graphene catalysts. RSC Adv 2024; 14:22486-22496. [PMID: 39015668 PMCID: PMC11251395 DOI: 10.1039/d4ra02841d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Accepted: 06/25/2024] [Indexed: 07/18/2024] Open
Abstract
Pt/C catalysts have been considered the ideal cathodic catalyst for proton exchange membrane fuel cells (PEMFCs) due to their superior oxygen reduction reaction (ORR) catalytic activity at low temperatures. However, oxidation and corrosion of the carbon black support at the cathode result in the agglomeration of Pt particles, which reduces the active sites in the Pt/C catalyst. Graphene supports have shown great promise to address this issue, and therefore, finding out the main structural features of the graphene support is of great significance for guiding the rational construction of graphene-based Pt (Pt/graphene) catalysts for optimized ORR catalysts. In order to systematically study the influence of the structural features of the graphene support on the electro-catalytic properties of Pt/graphene catalysts, we prepared porous nitrogen-doped reduced graphene oxide (P-NRGO), nitrogen-doped reduced graphene oxide (NRGO), treated P-NRGO (TP-NRGO) and reduced graphene oxide (RGO) with different nitrogen species contents (7.76, 7.54, 3.24, and 0.14 at%), oxygen species contents (18.68, 18.12, 6.34 and 21.12 at%), specific surface areas (370.4, 70.6, 347.7 and 276.2 m2 g-1) and pore volumes (1.366, 0.1424, 1.3299 and 1.0414 cm3 g-1). The ORR activity of the four Pt/graphene catalysts when listed in the order of their half-wave potentials (E 1/2) and peak power densities was found to be as Pt/P-NRGO > Pt/NRGO > Pt/TP-NRGO > Pt/RGO. The long-term durability of Pt/P-NRGO for the operation of H2-air PEMFCs is better than that of commercial Pt/C catalysts. The excellent ORR catalytic performance of Pt/P-NRGO compared to that of the other three Pt/graphene catalysts is ascribed to the high nitrogen species content of P-NRGO that can facilitate the uniform dispersion of Pt particles and provide accessible active sites for ORR. The results indicate that the specific surface area (SSA) and heteroatom dopants have strong influence on the Pt particle size, and that the nitrogen species of graphene supports play a more important role than the oxygen species, specific surface area and pore volume for the Pt/graphene catalysts in providing accessible active sites.
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Affiliation(s)
- Zhenzhen Du
- AECC Beijing Institute of Aeronautical Materials Beijing 100095 China
- Beijing Institute of Graphene Technology Beijing 100094 China
| | - Fan Yu
- Beijing Institute of Graphene Technology Beijing 100094 China
| | - Jun Wang
- AECC Beijing Institute of Aeronautical Materials Beijing 100095 China
- Beijing Institute of Graphene Technology Beijing 100094 China
| | - Jiongli Li
- AECC Beijing Institute of Aeronautical Materials Beijing 100095 China
- Beijing Institute of Graphene Technology Beijing 100094 China
| | - Xudong Wang
- AECC Beijing Institute of Aeronautical Materials Beijing 100095 China
- Beijing Institute of Graphene Technology Beijing 100094 China
| | - Aniu Qian
- Institute of Resources and Environment Engineering, Shanxi University Taiyuan 030006 China
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Wang T, Li M, Yao L, Yang W, Li Y. Controlled Growth Lateral/Vertical Heterostructure Interface for Lithium Storage. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2402961. [PMID: 38727517 DOI: 10.1002/adma.202402961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/28/2024] [Indexed: 05/18/2024]
Abstract
Artificial heterostructures with structural advancements and customizable electronic interfaces are fundamental for achieving high-performance lithium-ion batteries (LIBs). Here, a design idea for a covalently bonded lateral/vertical black phosphorus (BP)-graphdiyne oxide (GDYO) heterostructure achieved through a facile ball-milling approach, is designed. Lateral heterogeneity is realized by the sp2-hybridized mode P-C bonds, which connect the phosphorus atoms at the edges of BP with the carbon atoms of the terminal acetylene in GDYO. The vertical connection of the heterojunction of BP and GDYO is connected by P-O-C bond. Experimental and theoretical studies demonstrate that BP-GDYO incorporates interfacial and structural engineering features, including built-in electric fields, chemical bond interactions, and maximized nanospace confinement effects. Therefore, BP-GDYO exhibits improved electrochemical kinetics and enhanced structural stability. Moreover, through ex- and in-situ studies, the lithiation mechanism of BP-GDYO, highlighting that the introduction of GDYO inhibits the shuttle/dissolution effect of phosphorus intermediates, hinders volume expansion, provides more reactive sites, and ultimately promotes reversible lithium storage, is clarified. The BP-GDYO anode exhibits lithium storage performance with high-rate capacity and long-cycle stability (602.6 mAh g-1 after 1 000 cycles at 2.0 A g-1). The proposed interfacial and structural engineering is universal and represents a conceptual advance in building high-performance LIBs electrode.
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Affiliation(s)
- Tao Wang
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Institute of Frontier Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, 266237, P. R. China
| | - Mingsheng Li
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Institute of Frontier Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, 266237, P. R. China
| | - Li Yao
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Institute of Frontier Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, 266237, P. R. China
| | - Wenlong Yang
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Institute of Frontier Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, 266237, P. R. China
| | - Yuliang Li
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Institute of Frontier Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, 266237, P. R. China
- Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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Rezaei M, Nezamzadeh-Ejhieh A, Massah AR. A Comprehensive Review on the Boosted Effects of Anion Vacancy in the Heterogeneous Photocatalytic Degradation, Part II: Focus on Oxygen Vacancy. ACS OMEGA 2024; 9:6093-6127. [PMID: 38371849 PMCID: PMC10870278 DOI: 10.1021/acsomega.3c07560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 02/20/2024]
Abstract
Environmental problems, including the increasingly polluted water and the energy crisis, have led to a need to propose novel strategies/methodologies to contribute to sustainable progress and enhance human well-being. For these goals, heterogeneous semiconducting-based photocatalysis is introduced as a green, eco-friendly, cost-effective, and effective strategy. The introduction of anion vacancies in semiconductors has been well-known as an effective strategy for considerably enhancing the photocatalytic activity of such photocatalytic systems, giving them the advantages of promoting light harvesting, facilitating photogenerated electron-hole pair separation, optimizing the electronic structure, and enhancing the yield of reactive radicals. This Review will introduce the effects of anion vacancy-dominated photodegradation systems. Then, their mechanism will illustrate how an anion vacancy changes the photodegradation pathway to enhance the degradation efficiency toward pollutants and the overall photocatalytic performance. Specifically, the vacancy defect types and the methods of tailoring vacancies will be briefly illustrated, and this part of the Review will focus on the oxygen vacancy (OV) and its recent advances. The challenges and development issues for engineered vacancy defects in photocatalysts will also be discussed for practical applications and to provide a promising research direction. Finally, some prospects for this emerging field will be proposed and suggested. All permission numbers for adopted figures from the literature are summarized in a separate file for the Editor.
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Affiliation(s)
- Mahdieh Rezaei
- Department
of Chemistry, Shahreza Branch, Islamic Azad
University, P.O. Box 311-86145, Shahreza, Isfahan 86139-74183, Iran
| | - Alireza Nezamzadeh-Ejhieh
- Department
of Chemistry, Shahreza Branch, Islamic Azad
University, P.O. Box 311-86145, Shahreza, Isfahan 86139-74183, Iran
- Department
of Chemistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Isfahan 81551-39998, Iran
| | - Ahmad Reza Massah
- Department
of Chemistry, Shahreza Branch, Islamic Azad
University, P.O. Box 311-86145, Shahreza, Isfahan 86139-74183, Iran
- Department
of Chemistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Isfahan 81551-39998, Iran
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Rezaei M, Nezamzadeh-Ejhieh A, Massah AR. A comprehensive review on the boosted effects of anion vacancy in the heterogeneous photocatalytic degradation, part I: Focus on sulfur, nitrogen, carbon, and halogen vacancies. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 269:115927. [PMID: 38181561 DOI: 10.1016/j.ecoenv.2024.115927] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 11/07/2023] [Accepted: 01/01/2024] [Indexed: 01/07/2024]
Abstract
The greenest environmental remediation way is the photocatalytic degradation of organic pollutants. However, limited photocatalytic applications are due to poor sunlight absorption and photogenerated charge carriers' recombination. These limitations can be overcome by introducing anion vacancy (AV) (O, S, N, C, and Halogen) defects in semiconductors that enhance light harvesting, facilitate charge separation, modulate electronic structure, and produce reactive radicals. In continuing part A of this review, in this part, we summarized the recent AVs' research, including S, N, C, and halogen vacancies on the boosted photocatalytic features of semiconductor materials, like metal oxides/sulfides, oxyhalides, and nitrides in detail. Also, we outline the recently developed AV designs for the photocatalytic degradation of organic pollutants. The AV creating and analysis methods and the recent photocatalytic applications and mechanisms of AV-mediated photocatalysts are reviewed. AV engineering photocatalysts' challenges and development prospects are illustrated to get a promising research direction.
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Affiliation(s)
- Mahdieh Rezaei
- Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran
| | - Alireza Nezamzadeh-Ejhieh
- Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran; Department of Chemistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran.
| | - Ahmad Reza Massah
- Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran; Department of Chemistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
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Long Y, Lin J, Ye F, Liu W, Wang D, Cheng Q, Paul R, Cheng D, Mao B, Yan R, Zhao L, Liu D, Liu F, Hu C. Tailoring the Atomic-Local Environment of Carbon Nanotube Tips for Selective H 2 O 2 Electrosynthesis at High Current Densities. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303905. [PMID: 37535390 DOI: 10.1002/adma.202303905] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/01/2023] [Indexed: 08/04/2023]
Abstract
The atomic-local environment of catalytically active sites plays an important role in tuning the activity of carbon-based metal-free electrocatalysts (C-MFECs). However, the rational regulation of the environment is always impeded by synthetic limitations and insufficient understanding of the formation mechanism of the catalytic sites. Herein, the possible cleavage mechanism of carbon nanotubes (CNTs) through the crossing points during ball-milling is proposed, resulting in abundant CNT tips that are more susceptible to be modified by heteroatoms, achieving precise modulation of the atomic environment at the tips. The obtained CNTs with N,S-rich tips (N,S-TCNTs) exhibit a wide potential window of 0.59 V along with H2 O2 selectivity for over 90.0%. Even using air as the O2 source, the flow cell system with N,S-TCNTs catalyst attains high H2 O2 productivity up to 30.37 mol gcat. -1 h-1 @350 mA cm-2 , superior to most reported C-MFECs. From a practical point of view, a solid electrolyzer based on N,S-TCNTs is further employed to realize the in-situ continuous generation of pure H2 O2 solution with high productivity (up to 4.35 mmol cm-2 h-1 @300 mA cm-2 ; over 300 h). The CNTs with functionalized tips hold great promise for practical applications, even beyond H2 O2 generation.
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Affiliation(s)
- Yongde Long
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jinguo Lin
- State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Fenghui Ye
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Wei Liu
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Dan Wang
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Qingqing Cheng
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Rajib Paul
- Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH, 44242, USA
| | - Daojian Cheng
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Baoguang Mao
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Riqing Yan
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Linjie Zhao
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Dong Liu
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Feng Liu
- State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Chuangang Hu
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
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Jung Y, Seok SH, Jung KW, Park J, Kwon SY, Choi JW. Nitrogen-Doped Titanium Carbide (Ti 3 C 2 T x ) MXene Nanosheet Stack For Long-Term Stability and Efficacy in Au and Ag Recovery. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2305247. [PMID: 37518852 DOI: 10.1002/smll.202305247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/01/2023] [Indexed: 08/01/2023]
Abstract
The development of efficient adsorbents for the practical recovery of precious metals from electronic waste is vital to advanced energy/environment industries. Ti3 C2 Tx MXene-based materials are promising adsorbents for aqueous environments; however, the highly defective and super hydrophilic nature of the MXene surface hinders its practical applications. Here, we report that nitrogen-doped MXene (N-MXene) nanosheet stacks, prepared via high-energy planetary ball milling under N2 purging, exhibited a long-term stable and excellent recovery capability for Au and Ag ions via the nitrogenation of defective vacancies. Notably, these microscale nanosheets could facilitate the sustainable production of Au and Ag from secondary sources, exhibiting a high recovery rate and capability (1198 mg g-1 for Au and 1528 mg g-1 for Ag), long-term stable storability (21 d), and high selectivity (Kd of 1.67 × 106 for Au and 2.07 × 107 for Ag). Furthermore, the reversible redox chemistry of N-MXene facilitated its repeated use in adsorption/desorption cycles.
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Affiliation(s)
- Youngkyun Jung
- Center for Water Cycle Research, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Shi-Hyun Seok
- Department of Materials Science and Engineering and Graduate School of Semiconductor Materials and Devices Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Kyung-Won Jung
- Center for Water Cycle Research, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Jaeeun Park
- Department of Materials Science and Engineering and Graduate School of Semiconductor Materials and Devices Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Soon-Yong Kwon
- Department of Materials Science and Engineering and Graduate School of Semiconductor Materials and Devices Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Jae-Woo Choi
- Center for Water Cycle Research, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- Division of Energy & Environment Technology, KIST School, Korea University of Science and Technology (UST), Seoul, 02792, Republic of Korea
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Zhai Q, Xia Z, Dai L. Unifying the origin of catalytic activities for carbon-based metal-free electrocatalysts. Catal Today 2023. [DOI: 10.1016/j.cattod.2023.114129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Kothandam G, Singh G, Guan X, Lee JM, Ramadass K, Joseph S, Benzigar M, Karakoti A, Yi J, Kumar P, Vinu A. Recent Advances in Carbon-Based Electrodes for Energy Storage and Conversion. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301045. [PMID: 37096838 PMCID: PMC10288283 DOI: 10.1002/advs.202301045] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/27/2023] [Indexed: 05/03/2023]
Abstract
Carbon-based nanomaterials, including graphene, fullerenes, and carbon nanotubes, are attracting significant attention as promising materials for next-generation energy storage and conversion applications. They possess unique physicochemical properties, such as structural stability and flexibility, high porosity, and tunable physicochemical features, which render them well suited in these hot research fields. Technological advances at atomic and electronic levels are crucial for developing more efficient and durable devices. This comprehensive review provides a state-of-the-art overview of these advanced carbon-based nanomaterials for various energy storage and conversion applications, focusing on supercapacitors, lithium as well as sodium-ion batteries, and hydrogen evolution reactions. Particular emphasis is placed on the strategies employed to enhance performance through nonmetallic elemental doping of N, B, S, and P in either individual doping or codoping, as well as structural modifications such as the creation of defect sites, edge functionalization, and inter-layer distance manipulation, aiming to provide the general guidelines for designing these devices by the above approaches to achieve optimal performance. Furthermore, this review delves into the challenges and future prospects for the advancement of carbon-based electrodes in energy storage and conversion.
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Affiliation(s)
- Gopalakrishnan Kothandam
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of Engineering, Science and Environment (CESE)The University of NewcastleCallaghanNSW2308Australia
| | - Gurwinder Singh
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of Engineering, Science and Environment (CESE)The University of NewcastleCallaghanNSW2308Australia
| | - Xinwei Guan
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of Engineering, Science and Environment (CESE)The University of NewcastleCallaghanNSW2308Australia
| | - Jang Mee Lee
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of Engineering, Science and Environment (CESE)The University of NewcastleCallaghanNSW2308Australia
| | - Kavitha Ramadass
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of Engineering, Science and Environment (CESE)The University of NewcastleCallaghanNSW2308Australia
| | - Stalin Joseph
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of Engineering, Science and Environment (CESE)The University of NewcastleCallaghanNSW2308Australia
| | - Mercy Benzigar
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of Engineering, Science and Environment (CESE)The University of NewcastleCallaghanNSW2308Australia
| | - Ajay Karakoti
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of Engineering, Science and Environment (CESE)The University of NewcastleCallaghanNSW2308Australia
| | - Jiabao Yi
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of Engineering, Science and Environment (CESE)The University of NewcastleCallaghanNSW2308Australia
| | - Prashant Kumar
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of Engineering, Science and Environment (CESE)The University of NewcastleCallaghanNSW2308Australia
| | - Ajayan Vinu
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of Engineering, Science and Environment (CESE)The University of NewcastleCallaghanNSW2308Australia
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13
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Lu YG, Zhao WK, Fang DC, Zheng JY, Sun BC, Zhang T, Han CB. High-efficient capture and degradation of formaldehyde based on the electric-field-enhanced catalytic effect. JOURNAL OF HAZARDOUS MATERIALS 2023; 455:131515. [PMID: 37167871 DOI: 10.1016/j.jhazmat.2023.131515] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/13/2023]
Abstract
Enhancing the generation of active groups is of great significance for alleviating the catalyst deactivation of formaldehyde (HCHO) by accelerating the decomposition of intermediate products. Herein, an electric-field-enhanced catalytic effect was proposed for the efficient capture and degradation of HCHO base on carbon cloth loaded manganese oxide catalyst (MnOx-CC). Under the action of electric field, MnOx can generate more hydroxyl radicals (•OH) and superoxide radicals (•O2-), thus accelerating the degradation of HCHO and intermediates at room temperature. After the introduction electric field (∼1 ×104 V/m), •O2- and •OH radical on the surface of MnOx-CC catalyst can be increased by 8 times and 23 times, respectively. At weight hourly space velocity of 300,000 mL/(gcat h) for ∼15 ppm HCHO, MnOx-CC-Electric Field catalyst reached the removal efficiency of 99.4%, and the CO2 conversion efficiency of 81.2%, without decrease significantly within 80 h. Theoretical calculation shows that the electric field can increase the electron state density of Mn atom at the Fermi level and reduce the adsorption energy of HCHO, O2 and H2O, thus promoting the generation of active groups and degradation of intermediate products. The electric-field-enhancement catalytic effect provides a new approach for the degradation of Volatile Organic Compounds.
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Affiliation(s)
- Yuan Gang Lu
- The Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Wen Kang Zhao
- The Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - De Cai Fang
- The Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Jia Yu Zheng
- The Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Bei Chen Sun
- The Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Tao Zhang
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, People's Republic of China
| | - Chang Bao Han
- The Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, People's Republic of China.
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14
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Huang C, Lin J, Tang H, Wang Q, Majima T, Wang N, Luo Z, Zhu L. Mechanochemical Preparation of Edge-Selectively justify Hydroxylated Graphene Nanosheets Using Persulfate via a Sulfate Radical-Mediated Process. CHEMSUSCHEM 2023; 16:e202201496. [PMID: 36254758 DOI: 10.1002/cssc.202201496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/12/2022] [Indexed: 06/16/2023]
Abstract
The production of water-dispersed graphene with low defects remains a challenge. The dry ball milling of graphite with additives produces edge-selectively functionalized graphene. However, the "inert" additives require a long milling time and cause inevitable in-plane defects. Here, the mechanochemical reaction of graphite with persulfate solved the above drawback and produced edge-selectively hydroxylated graphene (EHG) nanosheets through a 2 h ball-milling and a subsequent 0.5 h sonication. The mechanochemical cleavage of persulfate yielded SO4 ⋅- to spontaneously oxidize graphite to form the carbon radical cations selectively at edges, followed by hydroxylation with water of moisture. Because the O-O bond dissociation energy of persulfate is 20 % of the graphitic C-C bond, the rather low milling energy allowed the hydroxylation of graphite at edges with nearly no in-plane defects. The obtained EHG showed high water-dispersibility and excellent photothermal and electrochemical properties, thereby opening up a new door to fabricate graphene-based composites.
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Affiliation(s)
- Cuiyu Huang
- School of Chemistry and Chemical Engineering, Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Huazhong University of Science & Technology, No. 1037 Luoyu Road, Hongshan District, Wuhan, P. R. China
| | - Jin Lin
- School of Chemistry and Chemical Engineering, Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Huazhong University of Science & Technology, No. 1037 Luoyu Road, Hongshan District, Wuhan, P. R. China
| | - Heqing Tang
- College of Resources and Environmental, South-Central University for Nationalities, No. 182 Minzu Avenue, Hongshan District, Wuhan, P. R. China
| | - Qin Wang
- School of Chemistry and Chemical Engineering, Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Huazhong University of Science & Technology, No. 1037 Luoyu Road, Hongshan District, Wuhan, P. R. China
| | - Tetsuro Majima
- School of Chemistry and Chemical Engineering, Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Huazhong University of Science & Technology, No. 1037 Luoyu Road, Hongshan District, Wuhan, P. R. China
| | - Nan Wang
- School of Chemistry and Chemical Engineering, Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Huazhong University of Science & Technology, No. 1037 Luoyu Road, Hongshan District, Wuhan, P. R. China
| | - Zhihong Luo
- College of Materials Science and Engineering, Guilin University of Technology, No.12 Jiangan Road, Qixing District, Guilin, P. R. China
| | - Lihua Zhu
- School of Chemistry and Chemical Engineering, Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Huazhong University of Science & Technology, No. 1037 Luoyu Road, Hongshan District, Wuhan, P. R. China
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15
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Li M, Yin B, Gao C, Guo J, Zhao C, Jia C, Guo X. Graphene: Preparation, tailoring, and modification. EXPLORATION (BEIJING, CHINA) 2023; 3:20210233. [PMID: 37323621 PMCID: PMC10190957 DOI: 10.1002/exp.20210233] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 07/05/2022] [Indexed: 06/17/2023]
Abstract
Graphene is a 2D material with fruitful electrical properties, which can be efficiently prepared, tailored, and modified for a variety of applications, particularly in the field of optoelectronic devices thanks to its planar hexagonal lattice structure. To date, graphene has been prepared using a variety of bottom-up growth and top-down exfoliation techniques. To prepare high-quality graphene with high yield, a variety of physical exfoliation methods, such as mechanical exfoliation, anode bonding exfoliation, and metal-assisted exfoliation, have been developed. To adjust the properties of graphene, different tailoring processes have been emerged to precisely pattern graphene, such as gas etching and electron beam lithography. Due to the differences in reactivity and thermal stability of different regions, anisotropic tailoring of graphene can be achieved by using gases as the etchant. To meet practical requirements, further chemical functionalization at the edge and basal plane of graphene has been extensively utilized to modify its properties. The integration and application of graphene devices is facilitated by the combination of graphene preparation, tailoring, and modification. This review focuses on several important strategies for graphene preparation, tailoring, and modification that have recently been developed, providing a foundation for its potential applications.
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Affiliation(s)
- Mingyao Li
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular EngineeringPeking UniversityBeijingChina
| | - Bing Yin
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular EngineeringPeking UniversityBeijingChina
| | - Chunyan Gao
- Center of Single‐Molecule Sciences, Institute of Modern Optics, Tianjin Key Laboratory of Micro‐scale Optical Information Science and Technology, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical EngineeringNankai UniversityTianjinChina
| | - Jie Guo
- Center of Single‐Molecule Sciences, Institute of Modern Optics, Tianjin Key Laboratory of Micro‐scale Optical Information Science and Technology, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical EngineeringNankai UniversityTianjinChina
| | - Cong Zhao
- Center of Single‐Molecule Sciences, Institute of Modern Optics, Tianjin Key Laboratory of Micro‐scale Optical Information Science and Technology, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical EngineeringNankai UniversityTianjinChina
| | - Chuancheng Jia
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular EngineeringPeking UniversityBeijingChina
- Center of Single‐Molecule Sciences, Institute of Modern Optics, Tianjin Key Laboratory of Micro‐scale Optical Information Science and Technology, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical EngineeringNankai UniversityTianjinChina
| | - Xuefeng Guo
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular EngineeringPeking UniversityBeijingChina
- Center of Single‐Molecule Sciences, Institute of Modern Optics, Tianjin Key Laboratory of Micro‐scale Optical Information Science and Technology, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical EngineeringNankai UniversityTianjinChina
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16
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Xin X, Xu Y, Wuliji H, Sun F, Liu Q, Wang Z, Wei TR, Zhao X, Song X, Gao L. Covalently Assembled Black Phosphorus/Conductive C 3N 4 Hybrid Material for Flexible Supercapacitors Exhibiting a Superlong 30,000 Cycle Durability. ACS NANO 2023; 17:657-667. [PMID: 36542067 DOI: 10.1021/acsnano.2c09970] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Black phosphorus (BP) has been demonstrated as a promising electrode material for supercapacitors. Currently, the main limitation of its practical application is the low electrical conductivity and poor structure stability. Hence, BP-based supercapacitors usually severely suffer from low capacitance and poor cycling stability. Herein, a chemically bridged BP/conductive g-C3N4 (BP/c-C3N4) hybrid is developed via a facile ball-milling method. Covalent P-C bonds are generated through the ball-milling process, effectively preventing the structural distortion of BP induced by ion transport and diffusion. In addition, the overall electrical conductivity is significantly enhanced owing to the sufficient coupling between BP and highly conductive c-C3N4. Moreover, the imbalanced charge distribution around the C atom can induce the generation of a local electric field, facilitating the charge transfer behavior of the electrode material. As a result, the BP/c-C3N4-20:1 flexible supercapacitor (FSC) exhibits an outstanding volumetric capacitance of 42.1 F/cm3 at 0.005 V/s, a high energy density of 5.85 mW h/cm3, and a maximum power density of 15.4 W/cm3. More importantly, the device delivers excellent cycling stability with no capacitive loss after 30,000 cycles.
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Affiliation(s)
- Xipeng Xin
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Yifeng Xu
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Hexige Wuliji
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Fei Sun
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Qingdong Liu
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Zezhen Wang
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Tian-Ran Wei
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Xiaofeng Zhao
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Xuefeng Song
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
- Shenzhen Research Institute, Shanghai Jiao Tong University, Shenzhen518057, China
| | - Lian Gao
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
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17
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Roy A, Kar S, Ghosal R, Mukhopadhyay R, Naskar K, Bhowmick AK. Unique graphene‐carbon black hybrid nanofiller by a micromechanical cleavage technique as a reinforcing agent in elastomers: Fundamental and experimental studies. J Appl Polym Sci 2023. [DOI: 10.1002/app.53575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Amrita Roy
- Rubber Technology Centre, IIT Kharagpur Kharagpur West Bengal India
| | - Saptarshi Kar
- Birla Carbon India Private Limited, MIDC Taloja Mumbai Maharashtra India
| | - Ranjan Ghosal
- Birla Carbon India Private Limited, MIDC Taloja Mumbai Maharashtra India
| | | | - Kinsuk Naskar
- Rubber Technology Centre, IIT Kharagpur Kharagpur West Bengal India
| | - Anil K. Bhowmick
- Rubber Technology Centre, IIT Kharagpur Kharagpur West Bengal India
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18
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Bukhari SNA, Ahmed N, Amjad MW, Hussain MA, Elsherif MA, Ejaz H, Alotaibi NH. Covalent Organic Frameworks (COFs) as Multi-Target Multifunctional Frameworks. Polymers (Basel) 2023; 15:267. [PMID: 36679148 PMCID: PMC9866219 DOI: 10.3390/polym15020267] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/27/2022] [Accepted: 12/27/2022] [Indexed: 01/06/2023] Open
Abstract
Covalent organic frameworks (COFs), synthesized from organic monomers, are porous crystalline polymers. Monomers get attached through strong covalent bonds to form 2D and 3D structures. The adjustable pore size, high stability (chemical and thermal), and metal-free nature of COFs make their applications wider. This review article briefly elaborates the synthesis, types, and applications (catalysis, environmental Remediation, sensors) of COFs. Furthermore, the applications of COFs as biomaterials are comprehensively discussed. There are several reported COFs having good results in anti-cancer and anti-bacterial treatments. At the end, some newly reported COFs having anti-viral and wound healing properties are also discussed.
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Affiliation(s)
- Syed Nasir Abbas Bukhari
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72388, Saudi Arabia
| | - Naveed Ahmed
- Department of Pharmaceutics, College of Pharmacy, Jouf University, Sakaka 72388, Saudi Arabia
| | - Muhammad Wahab Amjad
- Center for Ultrasound Molecular Imaging and Therapeutics, Pittsburgh Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Muhammad Ajaz Hussain
- Centre for Organic Chemistry, School of Chemistry, University of the Punjab, Lahore 54590, Pakistan
| | - Mervat A. Elsherif
- Chemistry Department, College of Science, Jouf University, Sakaka 72388, Saudi Arabia
| | - Hasan Ejaz
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia
| | - Nasser H. Alotaibi
- Department of Clinical Pharmacy, College of Pharmacy, Jouf University, Sakaka 72388, Saudi Arabia
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Cai S, Beiyuan J, Huang L, Cao X, Deng M, Lv D, Chen X, Liu D, Luo D, Yuan W. Understanding the high chemi-catalytic reactivity of graphene quantum dots to rapidly generate reactive oxygen species. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.118072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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20
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Xiao Z, Luo S, Duan W, Zhang X, Han S, Liu Y, Yang L, Lin S. Doughty-electronegative heteroatom-induced defective MoS 2 for the hydrogen evolution reaction. Front Chem 2022; 10:1064752. [PMID: 36505745 PMCID: PMC9727101 DOI: 10.3389/fchem.2022.1064752] [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: 10/08/2022] [Accepted: 11/01/2022] [Indexed: 11/24/2022] Open
Abstract
Producing hydrogen through water electrolysis is one of the most promising green energy storage and conversion technologies for the long-term development of energy-related hydrogen technologies. MoS2 is a very promising electrocatalyst which may replace precious metal catalysts for the hydrogen evolution reaction (HER). In this work, doughty-electronegative heteroatom defects (halogen atoms such as chlorine, fluorine, and nitrogen) were successfully introduced in MoS2 by using a large-scale, green, and simple ball milling strategy to alter its electronic structure. The physicochemical properties (morphology, crystallization, chemical composition, and electronic structure) of the doughty-electronegative heteroatom-induced defective MoS2 (N/Cl-MoS2) were identified using SEM, TEM, Raman, XRD, and XPS. Furthermore, compared with bulk pristine MoS2, the HER activity of N/Cl-MoS2 significantly increased from 442 mV to 280 mV at a current of 10 mA cm-2. Ball milling not only effectively reduced the size of the catalyst material, but also exposed more active sites. More importantly, the introduced doughty-electronegative heteroatom optimized the electronic structure of the catalyst. Therefore, the doughty-electronegative heteroatom induced by mechanical ball milling provides a useful reference for the large-scale production of green, efficient, and low-cost catalyst materials.
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Affiliation(s)
- Zhaohui Xiao
- State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou, China,State Key Laboratory of Chem/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, China,*Correspondence: Zhaohui Xiao, , ; Shiwei Lin,
| | - Shengdao Luo
- State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou, China
| | - Wei Duan
- State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou, China
| | - Xu Zhang
- State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou, China
| | - Shixing Han
- State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou, China
| | - Yipu Liu
- State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou, China
| | - Liang Yang
- State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou, China
| | - Shiwei Lin
- State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou, China,*Correspondence: Zhaohui Xiao, , ; Shiwei Lin,
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21
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Degradation of phenolic pollutants by persulfate-based advanced oxidation processes: metal and carbon-based catalysis. REV CHEM ENG 2022. [DOI: 10.1515/revce-2022-0037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Wastewater recycling is a solution to address the global water shortage. Phenols are major pollutants in wastewater, and they are toxic even at very low concentrations. Advanced oxidation process (AOP) is an emerging technique for the effective degradation and mineralization of phenols into water. Herein, we aim at giving an insight into the current state of the art in persulfate-based AOP for the oxidation of phenols using metal/metal-oxide and carbon-based materials. Special attention has been paid to the design strategies of high-performance catalysts, and their advantages and drawbacks are discussed. Finally, the key challenges that govern the implementation of persulfate-based AOP catalysts in water purification, in terms of cost and environmental friendliness, are summarized and possible solutions are proposed. This work is expected to help the selection of the optimal strategy for treating phenol emissions in real scenarios.
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22
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Graphene/Polymer Nanocomposites: Preparation, Mechanical Properties, and Application. Polymers (Basel) 2022; 14:polym14214733. [PMID: 36365726 PMCID: PMC9655120 DOI: 10.3390/polym14214733] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Although polymers are very important and vastly used materials, their physical properties are limited. Therefore, they are reinforced with fillers to relieve diverse restrictions and expand their application areas. The exceptional properties of graphene make it an interesting material with huge potential for application in various industries and devices. The interfacial interaction between graphene and the polymer matrix improved the uniform graphene dispersion in the polymer matrix, enhancing the general nanocomposite performance. Therefore, graphene functionalization is essential to enhance the interfacial interaction, maintain excellent properties, and obstruct graphene agglomeration. Many studies have reported that graphene/polymer nanocomposites have exceptional properties that enable diverse applications. The use of graphene/polymer nanocomposites is expected to increase sustainably and to transform from a basic to an advanced material to offer optimum solutions to industry and consumers.
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23
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Xu X. Quick and surfactant-free dispersion of various carbon nanoparticles in aqueous solution as casting technique for devices. CHEMICAL ENGINEERING JOURNAL ADVANCES 2022. [DOI: 10.1016/j.ceja.2022.100413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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24
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Ručigaj A, Connell JG, Dular M, Genorio B. Influence of the ultrasound cavitation intensity on reduced graphene oxide functionalization. ULTRASONICS SONOCHEMISTRY 2022; 90:106212. [PMID: 36327924 PMCID: PMC9626748 DOI: 10.1016/j.ultsonch.2022.106212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 10/18/2022] [Accepted: 10/21/2022] [Indexed: 05/11/2023]
Abstract
Graphene is a valuable and useful nanomaterial due to its exceptionally high tensile strength, electrical conductivity and transparency, as well as the ability to tune its materials properties via functionalization. One of the most important features needed to integrate functionalized graphene into products via scalable processing is the effectiveness of graphene dispersion in aqueous and organic solvents. In this study, we aimed to achieve the functionalization of reduced graphene oxide (rGO) by sonication in a one-step process using polyvinyl alcohol (PVA) as a model molecule to be bound to the rGO surface. We investigated the influence of the sonication energy on the efficacy of rGO functionalization. The correlation between the performance of the high-intensity ultrasonic horn and the synthesis of the PVA functionalized rGO was thoroughly investigated by TGA coupled with MS, and IR, Raman, XPS, Laser diffraction, and SEM analysis. The results show that the most soluble PVA-functionalized rGO is achieved at 50% of the ultrasonic horn amplitude. Analysis of cavitation dynamics revealed that in the near vicinity of the horn it is most aggressive at the highest amplitude (60%). This causes rGO flakes to break into smaller domains, which negatively affects the functionalization process. On the other hand, the maximum of the pressure pulsations far away from the horn is reached at 40% amplitude, as the pressure oscillations are attenuated significantly in the 2-phase flow region at higher amplitudes. These observations corelate well with the measured degree of functionalization, where the optimum functionalized rGO dispersion is reached at 50% horn amplitude, and generally imply that cavitation intensity must be carefully adjusted to achieve optimal rGO functionalization.
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Affiliation(s)
- Aleš Ručigaj
- University of Ljubljana, Faculty of Chemistry and Chemical Technology, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Justin G Connell
- Materials Science Division, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL 60439, United States
| | - Matevž Dular
- University of Ljubljana, Faculty of Mechanical Engineering, Aškerčeva 6, SI-1000 Ljubljana, Slovenia
| | - Boštjan Genorio
- University of Ljubljana, Faculty of Chemistry and Chemical Technology, Večna pot 113, SI-1000 Ljubljana, Slovenia.
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25
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Tharani S, Durgalakshmi D, Balakumar S, Rakkesh RA. Futuristic Advancements in Biomass‐Derived Graphene Nanoassemblies: Versatile Biosensors for Point‐of‐Care Devices. ChemistrySelect 2022. [DOI: 10.1002/slct.202203603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- S. Tharani
- Department of Physics and Nanotechnology SRM Institute of Science and Technology Kattankulathur 603203 TN India
| | - D. Durgalakshmi
- Department of Medical Physics Anna University Chennai 600 025 TN India
- Department of Physics Ethiraj College for Women Chennai 600 008 TN India
| | - S. Balakumar
- National Centre for Nanoscience and Nanotechnology University of Madras Chennai 600 025 TN India
| | - R. Ajay Rakkesh
- Department of Physics and Nanotechnology SRM Institute of Science and Technology Kattankulathur 603203 TN India
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26
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Lin M, Sun X, Ye S, Chen Y, Gao J, Yuan F, Lin N, Lawson T, Liu Y, Deng R. A new antioxidant made from a pterostilbene functionalized graphene nanocomposite as an efficient treatment for dry eye disease. Front Chem 2022; 10:942578. [PMID: 36092674 PMCID: PMC9449147 DOI: 10.3389/fchem.2022.942578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 07/19/2022] [Indexed: 11/13/2022] Open
Abstract
Dry eye disease is a common condition that affects the eyes. It is caused by problems with the tear film and the tear dynamics. Dry eye can be caused by an increase in the amount of reactive oxygen species (ROS) in the corneal epithelium. The treatment for dry eye typically focuses on relieving the uncomfortable symptoms by using eye drops such as artificial tears, antibiotics, and by using anti-inflammatory/immunosuppressive agents such as cyclosporine, and lifitegrast. However, the recovery of patients with dry eye can take several years particularly if the symptoms are severe. This is because the present treatment approaches for dry eye are not based on its cause, e.g., the oxidative stress arising from the rapid increase in ROS. This work describes a new type of antioxidant made from pterostilbene (PS) and carboxyl-chitosan modified graphene (CG). The use of a hydrophilic two-dimensional CG nanosheet to improve the properties of PS is reported. Superior enhanced properties including better cellular permeability, long sustained release period (over 30 h), and antioxidant properties, were realized by using PS-CG. A hyperosmotic (HS) damaged human corneal epithelial cell (HCEC) model was used for antioxidant tests. This model has an intracellular ROS level 4 times more than that of a control group. The ROS content was declined efficiently to the same amount as normal cells in the PS-CG treated HS group. There was a significant decline in the content of lactate dehydrogenase (LDH) and the apoptosis rate of HCEC in the PS-CG treated HS group when compared to that seen in the HS model. Real-time polymerase chain reaction (PCR) and western blots (WB) were used to understand the antioxidant mechanism of PS-CG. The results showed that the antioxidant was working by activating the Keap1-Nrf2-ARE signalling pathway. In vivo testing testing using a dry eye mouse model suggested that the PS-CG acted as an efficient antioxidant. More tear production and healthier corneal and conjunctival epithelial cells were achieved when PC-CG was applied to this model. The use of PS-CG could be a new strategy for treating dry eye and other ocular diseases caused by ROS.
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Affiliation(s)
- Mimi Lin
- Laboratory of Nanoscale Biosensing and Bioimaging (NBAB), School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, China
- State Key Laboratory of Ophthalmology, Optometry, and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xueqin Sun
- Laboratory of Nanoscale Biosensing and Bioimaging (NBAB), School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, China
- State Key Laboratory of Ophthalmology, Optometry, and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Sihao Ye
- Laboratory of Nanoscale Biosensing and Bioimaging (NBAB), School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, China
- State Key Laboratory of Ophthalmology, Optometry, and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Youyi Chen
- Laboratory of Nanoscale Biosensing and Bioimaging (NBAB), School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, China
- State Key Laboratory of Ophthalmology, Optometry, and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jing Gao
- Laboratory of Nanoscale Biosensing and Bioimaging (NBAB), School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, China
- State Key Laboratory of Ophthalmology, Optometry, and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Feng Yuan
- Laboratory of Nanoscale Biosensing and Bioimaging (NBAB), School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, China
- State Key Laboratory of Ophthalmology, Optometry, and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Na Lin
- State Key Laboratory of Ophthalmology, Optometry, and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Tom Lawson
- School of Mathematical and Physical Sciences, ARC Centre of Excellence for Nanoscale Biophotonics (CNBP), Macquarie University, Sydney, NSW, Australia
| | - Yong Liu
- Laboratory of Nanoscale Biosensing and Bioimaging (NBAB), School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, China
- State Key Laboratory of Ophthalmology, Optometry, and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
- *Correspondence: Yong Liu, ; Ruzhi Deng,
| | - Ruzhi Deng
- Laboratory of Nanoscale Biosensing and Bioimaging (NBAB), School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, China
- State Key Laboratory of Ophthalmology, Optometry, and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
- *Correspondence: Yong Liu, ; Ruzhi Deng,
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Ma J, Shen G, Zhang R, Niu J, Zhang J, Wang X, Liu J, Li X, Liu C. Small Particle Size Activated Carbon Enhanced Flow Electrode Capacitive Deionization Desalination Performances by Reducing the Interfacial Concentration Difference. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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28
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Gao S, Liu L, Mao F, Zhang Z, Pan K, Zhou Z. Coal-based ultrathin N-doped carbon nanosheets synthesized by molten-salt method for high-performance lithium-ion batteries. NANOTECHNOLOGY 2022; 33:425401. [PMID: 35803126 DOI: 10.1088/1361-6528/ac7fa5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 07/08/2022] [Indexed: 06/15/2023]
Abstract
Coal is a typical fossil fuel and it is also a natural carbon material, therefore, converting it to functional carbon materials is an effective way to enhance the economic advantages of coal. Here, ultrathin N-doped carbon nanosheets were prepared from low-cost coal via a handy and green molten-salt method, which shown excellent performance for lithium-ion batteries (LIBs). The formation mechanism of ultrathin nanosheets was studied in detail. The eutectic molten salts possess low melting points and become a strong polar solvent at the calcined temperature, making the acidified coal miscible with them in very homogeneously state. Therefore, they can play a gigantic role inin situpore-forming during the carbonization and induce the formation of ultrathin nanosheets due to the salt ions. Simultaneously, the ultrathin N-doped carbon nanosheets with rich defects and controllable surface area was smoothly prepared without any more complex process while revealing brilliant electrochemical performance due to rich ion diffusion pathways. It delivers reversible capacity of 727.0 mAh g-1at 0.2 A g-1after 150 cycles. Thus, the molten-salt method broadens the avenue to construct porous carbon materials with tailor-made morphologies. Equally important, this approach provides a step toward the sustainable materials design and chemical science in the future.
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Affiliation(s)
- Shasha Gao
- Key Laboratory of Microelectronics and Energy of Henan Province, Department of Physics and Electronic Engineering, Xinyang Normal University, Xinyang, 464000, People's Republic of China
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, 830046, Xinjiang, People's Republic of China
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Lang Liu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, 830046, Xinjiang, People's Republic of China
| | - Feifei Mao
- Key Laboratory of Microelectronics and Energy of Henan Province, Department of Physics and Electronic Engineering, Xinyang Normal University, Xinyang, 464000, People's Republic of China
| | - Zhang Zhang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Kecheng Pan
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Zhen Zhou
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
- School of Materials Science and Engineering Institute of New Energy Material Chemistry, Renewable Energy Conversion and Storage Center (ReCast), Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education) Nankai University, Tianjin 300350, People's Republic of China
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29
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Zhou Y, Xu L, Liu M, Qi Z, Wang W, Zhu J, Chen S, Yu K, Su Y, Ding B, Qiu L, Cheng HM. Viscous Solvent-Assisted Planetary Ball Milling for the Scalable Production of Large Ultrathin Two-Dimensional Materials. ACS NANO 2022; 16:10179-10187. [PMID: 35604394 DOI: 10.1021/acsnano.1c11097] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Ball milling is a widely used method to produce graphene and other two-dimensional (2D) materials for both industry and research. Conventional ball milling generates strong impact forces, producing small and thick nanosheets that limit their applications. In this study, a viscous solvent-assisted planetary ball milling method has been developed to produce large thin 2D nanosheets. The viscous solvent simultaneously increases the exfoliation energy (Ee) and lowers the impact energy (Ei). Simulations show a giant ratio of η = Ee/Ei, for the viscous solvent, 2 orders of magnitude larger than that of water. The method provides both a high exfoliation yield of 74%, a high aspect ratio of the generated nanosheets of 571, and a high quality for a representative 2D material of boron nitride nanosheets (BNNSs). The large thin BNNSs can be assembled into high-performance functional films, such as separation membranes and thermally conductive flexible films with some performance parameters better than those 2D nanosheets produced by chemical exfoliation methods.
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Affiliation(s)
- Yicong Zhou
- Shenzhen Geim Graphene Center (SGC), Tsinghua-Berkeley Shenzhen Institute (TBSI), and Tsinghua Shenzhen International Graduate School (TSIGS), Tsinghua University, Shenzhen 51805, China
| | - Lanshu Xu
- Shenzhen Geim Graphene Center (SGC), Tsinghua-Berkeley Shenzhen Institute (TBSI), and Tsinghua Shenzhen International Graduate School (TSIGS), Tsinghua University, Shenzhen 51805, China
| | - Minsu Liu
- Shenzhen Geim Graphene Center (SGC), Tsinghua-Berkeley Shenzhen Institute (TBSI), and Tsinghua Shenzhen International Graduate School (TSIGS), Tsinghua University, Shenzhen 51805, China
- Monash Suzhou Research Institute (MSRI), Monash University, Suzhou 215000, China
- Foshan (Southern China) Institute for New Materials, Foshan 528200, China
| | - Zheng Qi
- China Iron and Steel Research Institute Group, Beijing 100081, China
| | - Wenbo Wang
- Shenzhen Geim Graphene Center (SGC), Tsinghua-Berkeley Shenzhen Institute (TBSI), and Tsinghua Shenzhen International Graduate School (TSIGS), Tsinghua University, Shenzhen 51805, China
| | - Jiuyi Zhu
- Shenzhen Geim Graphene Center (SGC), Tsinghua-Berkeley Shenzhen Institute (TBSI), and Tsinghua Shenzhen International Graduate School (TSIGS), Tsinghua University, Shenzhen 51805, China
| | - Shaohua Chen
- Shenzhen Geim Graphene Center (SGC), Tsinghua-Berkeley Shenzhen Institute (TBSI), and Tsinghua Shenzhen International Graduate School (TSIGS), Tsinghua University, Shenzhen 51805, China
| | - Kuang Yu
- Shenzhen Geim Graphene Center (SGC), Tsinghua-Berkeley Shenzhen Institute (TBSI), and Tsinghua Shenzhen International Graduate School (TSIGS), Tsinghua University, Shenzhen 51805, China
| | - Yang Su
- Shenzhen Geim Graphene Center (SGC), Tsinghua-Berkeley Shenzhen Institute (TBSI), and Tsinghua Shenzhen International Graduate School (TSIGS), Tsinghua University, Shenzhen 51805, China
| | - Baofu Ding
- Shenzhen Geim Graphene Center (SGC), Tsinghua-Berkeley Shenzhen Institute (TBSI), and Tsinghua Shenzhen International Graduate School (TSIGS), Tsinghua University, Shenzhen 51805, China
| | - Ling Qiu
- Shenzhen Geim Graphene Center (SGC), Tsinghua-Berkeley Shenzhen Institute (TBSI), and Tsinghua Shenzhen International Graduate School (TSIGS), Tsinghua University, Shenzhen 51805, China
| | - Hui-Ming Cheng
- Shenzhen Geim Graphene Center (SGC), Tsinghua-Berkeley Shenzhen Institute (TBSI), and Tsinghua Shenzhen International Graduate School (TSIGS), Tsinghua University, Shenzhen 51805, China
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
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30
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Lei B, Cui W, Chen P, Chen L, Li J, Dong F. C–Doping Induced Oxygen-Vacancy in WO 3 Nanosheets for CO 2 Activation and Photoreduction. ACS Catal 2022. [DOI: 10.1021/acscatal.2c02390] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ben Lei
- Research Center for Environmental and Energy Catalysis, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Wen Cui
- Research Center for Environmental and Energy Catalysis, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Peng Chen
- Research Center for Environmental and Energy Catalysis, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Lvcun Chen
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, China
| | - Jieyuan Li
- Research Center for Environmental and Energy Catalysis, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Fan Dong
- Research Center for Environmental and Energy Catalysis, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
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31
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Peera SG, Liu C. Unconventional and scalable synthesis of non-precious metal electrocatalysts for practical proton exchange membrane and alkaline fuel cells: A solid-state co-ordination synthesis approach. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214554] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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32
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Burshtein TY, Tamakuwala K, Sananis M, Grinberg I, Samala NR, Eisenberg D. Understanding hydrazine oxidation electrocatalysis on undoped carbon. Phys Chem Chem Phys 2022; 24:9897-9903. [PMID: 35416204 DOI: 10.1039/d2cp00213b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Carbons are ubiquitous electrocatalytic supports for various energy-related transformations, especially in fuel cells. Doped carbons such as Fe-N-C materials are particularly active towards the oxidation of hydrazine, an alternative fuel and hydrogen carrier. However, there is little discussion of the electrocatalytic role of the most abundant component - the carbon matrix - towards the hydrazine oxidation reaction (HzOR). We present a systematic investigation of undoped graphitic carbons towards the HzOR in alkaline electrolyte. Using highly oriented pyrolytic graphite electrodes, as well as graphite powders enriched in either basal planes or edge defects, we demonstrate that edge defects are the most active catalytic sites during hydrazine oxidation electrocatalysis. Theoretical DFT calculations support and explain the mechanism of HzOR on carbon edges, identifying unsaturated graphene armchair defects as the most likely active sites. Finally, these findings explain the 'double peak' voltammetric feature observed on many doped carbons during the HzOR.
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Affiliation(s)
- Tomer Y Burshtein
- Schulich Faculty of Chemistry and the Grand Technion Energy Program, Technion - Israel Institute of Technology, Technion City, Haifa 3200003, Israel.
| | - Kesha Tamakuwala
- Schulich Faculty of Chemistry and the Grand Technion Energy Program, Technion - Israel Institute of Technology, Technion City, Haifa 3200003, Israel.
| | - Matan Sananis
- Schulich Faculty of Chemistry and the Grand Technion Energy Program, Technion - Israel Institute of Technology, Technion City, Haifa 3200003, Israel.
| | - Ilya Grinberg
- Department of Chemistry, Bar-Ilan University, Ramat Gan, 5290002, Israel.
| | | | - David Eisenberg
- Schulich Faculty of Chemistry and the Grand Technion Energy Program, Technion - Israel Institute of Technology, Technion City, Haifa 3200003, Israel.
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33
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Liu X, Kang W, Li X, Zeng L, Li Y, Wang Q, Zhang C. Solid-state mechanochemistry advancing two dimensional materials for lithium-ion storage applications: A mini review. NANO MATERIALS SCIENCE 2022. [DOI: 10.1016/j.nanoms.2022.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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34
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Comprehensive Data via Spectroscopy and Molecular Dynamics of Chemically Treated Graphene Nanoplatelets. DATA 2022. [DOI: 10.3390/data7040038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Graphene nanoplatelets (GnPs) are promising candidates for gas sensing applications because they have a high surface area to volume ratio, high conductivity, and a high temperature stability. The information provided in this data article will cover the surface and structural properties of pure and chemically treated GnPs, specifically with carboxyl, ammonia, nitrogen, oxygen, fluorocarbon, and argon. Molecular dynamics and adsorption calculations are provided alongside characterization data, which was performed with Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD) to determine the functional groups present and effects of those groups on the structural and vibrational properties. Certain features in the observed Raman spectra are attributed to the variations in concentration of the chemically treated GnPs. XRD data show smaller crystallite sizes for chemically treated GnPs that agree with images acquired with scanning electron microscopy. A molecular dynamics simulation is also employed to gain a better understanding of the Raman and adsorption properties of pure GnPs.
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35
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Kim MH, Noh HJ, Baek JB, Jeon IY. Neohexene graphitic nanoplatelets for reinforced low-density polyethylene. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-02980-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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36
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Hepel M. Advances in micro‐supercapacitors (MSCs) with high energy density and fast charge‐discharge capabilities for flexible bioelectronic devices—A review. ELECTROCHEMICAL SCIENCE ADVANCES 2022. [DOI: 10.1002/elsa.202100222] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Maria Hepel
- Department of Chemistry State University of New York at Potsdam Potsdam New York USA
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37
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38
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Kang YG, Yan P, Yang WW, Chen BB. Facile synthesis of nitrogen- and phosphorus-Co-doped porous carbon nanosheets embedded with FeP clusters for the oxygen reduction reaction using rechargeable zinc-air batteries. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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39
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Lee SJ, Jeon I. Improved performance of poly(styrene‐
co
‐butadiene) using butadiene graphitic nanoplatelets. J Appl Polym Sci 2022. [DOI: 10.1002/app.52277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Se Jung Lee
- Department of Chemical Engineering/Nanoscale Sciences and Technology Institute Wonkwang University Iksan Republic of Korea
| | - In‐Yup Jeon
- Department of Chemical Engineering/Nanoscale Sciences and Technology Institute Wonkwang University Iksan Republic of Korea
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40
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Carvalho AF, Kulyk B, Fernandes AJS, Fortunato E, Costa FM. A Review on the Applications of Graphene in Mechanical Transduction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2101326. [PMID: 34288155 DOI: 10.1002/adma.202101326] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/26/2021] [Indexed: 05/26/2023]
Abstract
A pressing need to develop low-cost, environmentally friendly, and sensitive sensors has arisen with the advent of the always-connected paradigm of the internet-of-things (IoT). In particular, mechanical sensors have been widely studied in recent years for applications ranging from health monitoring, through mechanical biosignals, to structure integrity analysis. On the other hand, innovative ways to implement mechanical actuation have also been the focus of intense research in an attempt to close the circle of human-machine interaction, and move toward applications in flexible electronics. Due to its potential scalability, disposability, and outstanding properties, graphene has been thoroughly studied in the field of mechanical transduction. The applications of graphene in mechanical transduction are reviewed here. An overview of sensor and actuator applications is provided, covering different transduction mechanisms such as piezoresistivity, capacitive sensing, optically interrogated displacement, piezoelectricity, triboelectricity, electrostatic actuation, chemomechanical and thermomechanical actuation, as well as thermoacoustic emission. A critical review of the main approaches is presented within the scope of a wider discussion on the future of this so-called wonder material in the field of mechanical transduction.
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Affiliation(s)
- Alexandre F Carvalho
- I3N-Aveiro, Department of Physics, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Bohdan Kulyk
- I3N-Aveiro, Department of Physics, University of Aveiro, Aveiro, 3810-193, Portugal
| | | | - Elvira Fortunato
- I3N/CENIMAT, Materials Science Department, Faculty of Sciences and Technology, Universidade NOVA de Lisboa and CEMOP/UNINOVA, Caparica, 2829-516, Portugal
| | - Florinda M Costa
- I3N-Aveiro, Department of Physics, University of Aveiro, Aveiro, 3810-193, Portugal
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41
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Wang X, Chen J, Dong C, Wang D, Mao Z. Hard Carbon Derived from Graphite Anode by Mechanochemistry and the Enhanced Lithium‐Ion Storage Performance. ChemElectroChem 2022. [DOI: 10.1002/celc.202101613] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiaotong Wang
- Tianjin University of Technology School of Materials Science and Engineering CHINA
| | - Jingjing Chen
- Tianjin University of Technology School of Materials Science and Engineering CHINA
| | - Chenlong Dong
- Tianjin University of Technology School of Mateirals Science and Engineering CHINA
| | - Dajian Wang
- Tianjin University of Technology School of Materials Science and Engineering CHINA
| | - Zhiyong Mao
- School of Materials Science and Engineering, Tianjin University of Technology No 391. Binshui west road. Xiqing 300384 Tianjin CHINA
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42
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Jia W, Li X, Zhi X, Zhong R. Mechanochemical synthesis of half‐sandwich iridium/rhodium complexes with 8‐hydroxyquinoline derivatives ligands. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wei‐Guo Jia
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular‐Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science Anhui Normal University Wuhu China
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter Chinese Academy of Science Fuzhou China
| | - Xiao‐Dong Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular‐Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science Anhui Normal University Wuhu China
| | - Xue‐Ting Zhi
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular‐Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science Anhui Normal University Wuhu China
| | - Rui Zhong
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular‐Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science Anhui Normal University Wuhu China
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43
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Hua Q, Madsen KE, Esposito AM, Chen X, Woods TJ, Haasch RT, Xiang S, Frenkel AI, Fister TT, Gewirth AA. Effect of Support on Oxygen Reduction Reaction Activity of Supported Iron Porphyrins. ACS Catal 2022. [DOI: 10.1021/acscatal.1c04871] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Qi Hua
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Kenneth E. Madsen
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Anne Marie Esposito
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Xinyi Chen
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Toby J. Woods
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Richard T. Haasch
- Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Shuting Xiang
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Anatoly I. Frenkel
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
- Division of Chemistry, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Timothy T. Fister
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Andrew A. Gewirth
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
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Jeong JH, Kang S, Kim N, Joshi RK, Lee GH. Recent trends in covalent functionalization of 2D materials. Phys Chem Chem Phys 2022; 24:10684-10711. [DOI: 10.1039/d1cp04831g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Covalent functionalization of the surface is more crucial in 2D materials than in conventional bulk materials because of their atomic thinness, large surface-to-volume ratio, and uniform surface chemical potential. Because...
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45
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Khine YY, Wen X, Jin X, Foller T, Joshi R. Functional groups in graphene oxide. Phys Chem Chem Phys 2022; 24:26337-26355. [DOI: 10.1039/d2cp04082d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Graphene oxide consists of diverse surface chemistry which allows tethering GO with additional functionalities and tuning its intrinsic properties. This review summarizes recently advanced methods to covalently modify GO for specific applications.
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Affiliation(s)
- Yee Yee Khine
- School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Xinyue Wen
- School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Xiaoheng Jin
- School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Tobias Foller
- School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Rakesh Joshi
- School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia
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46
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Zhao R, Chen Y, Huang S. Doping engineering on carbons as electrocatalysts for oxygen reduction reaction. FUNDAMENTAL RESEARCH 2021. [DOI: 10.1016/j.fmre.2021.06.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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47
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Yuan D, Dou Y, Wu Z, Tian Y, Ye KH, Lin Z, Dou SX, Zhang S. Atomically Thin Materials for Next-Generation Rechargeable Batteries. Chem Rev 2021; 122:957-999. [PMID: 34709781 DOI: 10.1021/acs.chemrev.1c00636] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Atomically thin materials (ATMs) with thicknesses in the atomic scale (typically <5 nm) offer inherent advantages of large specific surface areas, proper crystal lattice distortion, abundant surface dangling bonds, and strong in-plane chemical bonds, making them ideal 2D platforms to construct high-performance electrode materials for rechargeable metal-ion batteries, metal-sulfur batteries, and metal-air batteries. This work reviews the synthesis and electronic property tuning of state-of-the-art ATMs, including graphene and graphene derivatives (GE/GO/rGO), graphitic carbon nitride (g-C3N4), phosphorene, covalent organic frameworks (COFs), layered transition metal dichalcogenides (TMDs), transition metal carbides, carbonitrides, and nitrides (MXenes), transition metal oxides (TMOs), and metal-organic frameworks (MOFs) for constructing next-generation high-energy-density and high-power-density rechargeable batteries to meet the needs of the rapid developments in portable electronics, electric vehicles, and smart electricity grids. We also present our viewpoints on future challenges and opportunities of constructing efficient ATMs for next-generation rechargeable batteries.
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Affiliation(s)
- Ding Yuan
- Centre for Clean Environment and Energy, Gold Coast Campus, Griffith University, Gold Coast 4222, Australia
| | - Yuhai Dou
- Centre for Clean Environment and Energy, Gold Coast Campus, Griffith University, Gold Coast 4222, Australia.,Shandong Institute of Advanced Technology, Jinan 250100, China
| | - Zhenzhen Wu
- Centre for Clean Environment and Energy, Gold Coast Campus, Griffith University, Gold Coast 4222, Australia
| | - Yuhui Tian
- Centre for Clean Environment and Energy, Gold Coast Campus, Griffith University, Gold Coast 4222, Australia.,Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, Zhengzhou, Henan 450002, China
| | - Kai-Hang Ye
- Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Zhan Lin
- Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Shi Xue Dou
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, Wollongong 2500, Australia
| | - Shanqing Zhang
- Centre for Clean Environment and Energy, Gold Coast Campus, Griffith University, Gold Coast 4222, Australia
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Hao J, Zhang M, Wu C, Wu K. Monodispersed Ni active sites anchored on N-doped porous carbon nanosheets as high-efficiency electrocatalyst for hydrogen peroxide sensing. Anal Chim Acta 2021; 1179:338812. [PMID: 34535246 DOI: 10.1016/j.aca.2021.338812] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 06/27/2021] [Accepted: 06/28/2021] [Indexed: 12/13/2022]
Abstract
Metal active species combined with N-doped porous carbon nanosheets usually own excellent electrochemical activity and sensing performance owing to its unique microstructure and composition. In this work, monodispersed Ni active sites anchored on N-doped porous carbon nanosheets (Ni@N-PCN) were facilely prepared via rational metal-organic frameworks (MOFs) route. Firstly, zeolitic imidazolate frameworks-8 (ZIF-8) was in situ grown on physically-exfoliated graphene nanosheets (GN) with homogeneous sandwich-like structure (ZIF-8@GN). Secondly, nickel bonded ZIF-8@GN hybrids (Ni/ZIF-8@GN) were obtained by ionic exchange reaction, and then transformed into Ni@N-PCN by high-temperature pyrolysis. Benefiting from the monodispersed Ni active sites and highly reactive N-doped porous carbon nanosheets (N-PCN), the as-prepared Ni@N-PCN hybrids displayed superior catalytic performance toward hydrogen peroxide (H2O2) sensing. As a result, a highly sensitive electrochemical sensing platform for H2O2 was fabricated with low detection limit (0.032 μM), wide detection linearity (0.2-2332.8 μM), and high sensitivity (6085 μA cm-2 mM-1). Besides, the as-developed electrochemical sensing platform was successfully applied to detect H2O2 contents in biological medicine and food specimens with satisfied results. This study will provide effective guidance for the preparation of novel metal/N-doped carbon nanomaterials and establishment of high-performance electrochemical sensors.
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Affiliation(s)
- Junxing Hao
- College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China; Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, China
| | - Mengqi Zhang
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Can Wu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, China; School of Materials Science and Engineering, Hubei University, Wuhan, 430062, China.
| | - Kangbing Wu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
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Yang Y, Zhao W, Niu H, Cai Y. Mechanochemical Construction 2D/2D Covalent Organic Nanosheets Heterojunctions Based on Substoichiometric Covalent Organic Frameworks. ACS APPLIED MATERIALS & INTERFACES 2021; 13:42035-42043. [PMID: 34428887 DOI: 10.1021/acsami.1c11775] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Combining different semiconductor materials to construct heterojunctions is a promising method to achieve efficient photocatalysis; however, it is still a challenge to accurately construct heterojunctions through molecular regulation. In this work, we take advantage of the remaining aldehyde groups in a substoichiometric covalent organic framework (denoted as PTO-COF) to achieve precise construction of covalently linked 2D/2D covalent organic nanosheets (CONs) heterojunctions through mechanochemical methods. The ultrathin structure of CONs endowed them with superior photoinduced charge generation and separation. Additionally, the energy bands of two CONs materials in heterojunctions were precisely coupled in a Z-scheme by the well-designed covalent linkages, which lead to a 190% enhancement of photocatalytic degradation efficiency for PTO/TpMa CONs heterojunctions as compared with pure COFs. This work provides new insights for design and synthesis of innovative 2D organic heterojunction photocatalysts.
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Affiliation(s)
- Yongliang Yang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Weijia Zhao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hongyun Niu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Yaqi Cai
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- Institute of Environment and Health, Jianghan University, Wuhan 430056, China
- Institute of Environment and Health, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, China
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Chemical Functionalization of Graphene Nanoplatelets with Hydroxyl, Amino, and Carboxylic Terminal Groups. CHEMISTRY 2021. [DOI: 10.3390/chemistry3030064] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
As the most studied two-dimensional material, graphene is still attracting a lot of attention from both academia and industry due to its fantastic properties such as lightness, excellent mechanical strength, and high conductivity of heat and electricity. As an important branch of graphene materials, graphene nanoplatelets show numerous applications such as in coating, fillers of polymer composites, energy conversion and storage devices, sensing, etc. Chemical functionalization can introduce different functional groups to graphene nanoplatelets and can potentially endow them with different properties and functions to meet the increasing demand in the fields mentioned above. In this minireview, we present an overview of the research progress of functionalized graphene nanoplatelets bearing hydroxyl, amino, and carboxylic terminal groups, including both covalent and noncovalent approaches. These terminal groups allow subsequent functionalization reactions to attach additional moieties. Relevant characterization techniques, different applications, challenges, and future directions of functionalized graphene nanoplatelets are also critically summarized.
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