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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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Giri L, Mohanty B, Thapa R, Jena BK, Pedireddi VR. Hydrogen-Bonded Organic Framework Structure: A Metal-Free Electrocatalyst for the Evolution of Hydrogen. ACS OMEGA 2022; 7:22440-22446. [PMID: 35811884 PMCID: PMC9260925 DOI: 10.1021/acsomega.2c01585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
The hydrogen-bonded organic frameworks (HOFs) have gained significant attention due to their various alluring applications in the fascinating field of supramolecular chemistry. Herein, we report the electrocatalytic activity of HOFs toward the hydrogen evolution reaction (HER) by utilizing the molecular adduct of cyanuric and trithiocyanuric acid with various organic substrates (melamine and 4,4'-bipyridine). Both the experimental and theoretical findings provide insights and validate the electrocatalytic activity toward HER applications. This work contributes significantly to designing novel highly efficient metal-free HOF-based electrocatalysts for the HER.
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Affiliation(s)
- Lopamudra Giri
- CSIR-Institute
of Minerals and Materials Technology, Bhubaneswar, 751013 Odisha, India
- Solid
State and Supramolecular Structural Chemistry Laboratory, School of
Basic Sciences, Indian Institute of Technology
Bhubaneswar, Argul, Bhubaneswar 752 050, India
| | - Bishnupad Mohanty
- CSIR-Institute
of Minerals and Materials Technology, Bhubaneswar, 751013 Odisha, India
| | - Ranjit Thapa
- Department
of Physics, SRM University—AP, Amaravati, 52240 Andhra Pradesh, India
| | - Bikash Kumar Jena
- CSIR-Institute
of Minerals and Materials Technology, Bhubaneswar, 751013 Odisha, India
- Academy
of Scientific & Innovative Research, Ghaziabad 201002, India
| | - Venkateswara Rao Pedireddi
- Solid
State and Supramolecular Structural Chemistry Laboratory, School of
Basic Sciences, Indian Institute of Technology
Bhubaneswar, Argul, Bhubaneswar 752 050, India
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3
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A novel environmental nano-catalyst of zeolite amended with carbon nanotube/silver nanoparticles decorated carbon paste electrode for electro-oxidation of propylene glycol. Sci Rep 2022; 12:9136. [PMID: 35650287 PMCID: PMC9160039 DOI: 10.1038/s41598-022-12268-4] [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: 01/25/2022] [Accepted: 05/03/2022] [Indexed: 11/08/2022] Open
Abstract
A novel environmental nano-catalyst based on zeolite (ZE) adjusted with carbon nanotube/silver nanoparticles (Ag/CNT) ornamented carbon paste electrode (CPE) is used for electrochemical oxidation of propylene glycol (PG) in 0.5 M H2SO4 solution. The techniques like cyclic voltammetry (CV), chronoamperometry (CA) and electrochemical impedance spectroscopy (EIS) are utilized to achieve the catalytic activity performance. Surface characteristics are achieved by means of scanning electron microscope (SEM) and Energy dispersive X-ray analysis (EDX) techniques. Enhancing the loading magnitude of CNT into catalyst's ingredient can meaningfully develop the catalytic activity of the electrocatalyst towards propylene oxidation. The impact of altering the concentration of propylene glycol and the scanning rate on the resulting electrocatalyst performance during the oxidation cycle is considered. Chronoamperograms present an amplify of the steady state oxidation current density values after addition of these nano-catalysts. A promising catalytic stability of nano-catalyst has been achieved in electing its use for propylene glycol electro-oxidation in fuel cells applications.
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Aygün M, Guillen‐Soler M, Vila‐Fungueiriño JM, Kurtoglu A, Chamberlain TW, Khlobystov AN, del Carmen Gimenez‐Lopez M. Palladium Nanoparticles Hardwired in Carbon Nanoreactors Enable Continually Increasing Electrocatalytic Activity During the Hydrogen Evolution Reaction. CHEMSUSCHEM 2021; 14:4973-4984. [PMID: 34132044 PMCID: PMC9292725 DOI: 10.1002/cssc.202101236] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Indexed: 06/12/2023]
Abstract
Catalysts typically lose effectiveness during operation, with much effort invested in stabilising active metal centres to prolong their functional lifetime for as long as possible. In this study palladium nanoparticles (PdNP) supported inside hollow graphitised carbon nanofibers (GNF), designated as PdNP@GNF, opposed this trend. PdNP@GNF exhibited continuously increasing activity over 30000 reaction cycles when used as an electrocatalyst in the hydrogen evolution reaction (HER). The activity of PdNP@GNF, expressed as the exchange current density, was always higher than activated carbon (Pd/C), and after 10000 cycles PdNP@GNF surpassed the activity of platinum on carbon (Pt/C). The extraordinary durability and self-improving behaviour of PdNP@GNF was solely related the unique nature of the location of the palladium nanoparticles, that is, at the graphitic step-edges within the GNF. Transmission electron microscopy imaging combined with spectroscopic analysis revealed an orchestrated series of reactions occurring at the graphitic step-edges during electrocatalytic cycling, in which some of the curved graphitic surfaces opened up to form a stack of graphene layers bonding directly with Pd atoms through Pd-C bonds. This resulted in the active metal centres becoming effectively hardwired into the electrically conducting nanoreactors (GNF), enabling facile charge transport to/from the catalytic centres resulting in the dramatic self-improving characteristics of the electrocatalyst.
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Affiliation(s)
- Mehtap Aygün
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS)Universidade de Santiago de Compostela15782Santiago de CompostelaSpain
- Present address: Faculty of ScienceErzurum Technical UniversityErzurum25050Turkey
| | - Melanie Guillen‐Soler
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS)Universidade de Santiago de Compostela15782Santiago de CompostelaSpain
| | - Jose M. Vila‐Fungueiriño
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS)Universidade de Santiago de Compostela15782Santiago de CompostelaSpain
| | - Abdullah Kurtoglu
- School of ChemistryUniversity of NottinghamUniversity ParkNottinghamNG7 2RDUnited Kingdom
| | - Thomas W. Chamberlain
- Institute of Process Research and DevelopmentSchool of ChemistryUniversity of LeedsLeedsLS2 9JTUnited Kingdom
| | - Andrei N. Khlobystov
- School of ChemistryUniversity of NottinghamUniversity ParkNottinghamNG7 2RDUnited Kingdom
- Nanoscale & Microscale Research CentreUniversity of NottinghamUniversity ParkNottinghamNG7 2RDUnited Kingdom
| | - Maria del Carmen Gimenez‐Lopez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS)Universidade de Santiago de Compostela15782Santiago de CompostelaSpain
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Todankar B, Desai P, Ranade AK, Narayanan TN, Tanemura M, Kalita G. Trifunctional Electrocatalytic Activities of Nitrogen‐Doped Graphitic Carbon Nanofibers Synthesized by Chemical Vapor Deposition. ChemistrySelect 2021. [DOI: 10.1002/slct.202101068] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Bhagyashri Todankar
- Department of Physical Science and Engineering Nagoya Institute of Technology, Gokiso-cho, Showa-ku Nagoya 466-8555 Japan
| | - Pradeep Desai
- Department of Physical Science and Engineering Nagoya Institute of Technology, Gokiso-cho, Showa-ku Nagoya 466-8555 Japan
| | - Ajinkya K. Ranade
- Department of Physical Science and Engineering Nagoya Institute of Technology, Gokiso-cho, Showa-ku Nagoya 466-8555 Japan
| | - Tharangattu N. Narayanan
- Tata Institute of Fundamental Research-Hyderabad Sy. No. 36/P Gopanpally Hyderabad Telangana 500046 India
| | - Masaki Tanemura
- Department of Physical Science and Engineering Nagoya Institute of Technology, Gokiso-cho, Showa-ku Nagoya 466-8555 Japan
| | - Golap Kalita
- Department of Physical Science and Engineering Nagoya Institute of Technology, Gokiso-cho, Showa-ku Nagoya 466-8555 Japan
- Frontier Research Institute for Material Science Nagoya Institute of Technology, Gokiso-cho, Showa-ku Nagoya 466-8555 Japan
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6
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Li W, Choi JH. Highly active metal-free hetero-nanotube catalysts for the hydrogen evolution reaction. NANOTECHNOLOGY 2021; 32:315402. [PMID: 33848993 DOI: 10.1088/1361-6528/abf777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 04/13/2021] [Indexed: 06/12/2023]
Abstract
The development of low-cost, high-efficiency catalysts for the hydrogen evolution reaction is important for hydrogen production. In this study we investigate hydrogen adsorption at the interfaces of C/BN hetero-nanotubes using first-principles density functional theory calculations. Substantial charge redistributions associated with states near the Fermi level occur at the interfaces. More importantly, such electronic modification can enhance hydrogen adsorption at the interfacial atoms. As a result, the adsorption free energies ΔGH*of hydrogen for the interfaces range from -0.26 to 0.30 eV, depending on hydrogen coverage. These values are much closer to zero than those for the basal plane, suggesting that the interfaces could be active sites for the hydrogen evolution reaction. The interfacial adsorption sites show a distinctive hybridization between the H s and C p orbitals, which accounts for the enhanced hydrogen adsorption at the interfaces. These findings have important implications for hydrogen energy applications.
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Affiliation(s)
- Wei Li
- College of Energy, Soochow Institute for Energy and Materials Innovations, Soochow University, Suzhou 215006, People's Republic of China
- Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow University, Suzhou 215006, People's Republic of China
| | - Jin-Ho Choi
- College of Energy, Soochow Institute for Energy and Materials Innovations, Soochow University, Suzhou 215006, People's Republic of China
- Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow University, Suzhou 215006, People's Republic of China
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7
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A Fluidics-Based Biosensor to Detect and Characterize Inhibition Patterns of Organophosphate to Acetylcholinesterase in Food Materials. MICROMACHINES 2021; 12:mi12040397. [PMID: 33916863 PMCID: PMC8065683 DOI: 10.3390/mi12040397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/31/2021] [Accepted: 04/01/2021] [Indexed: 11/17/2022]
Abstract
A chip-based electrochemical biosensor is developed herein for the detection of organophosphate (OP) in food materials. The principle of the sensing platform is based on the inhibition of dimethoate (DMT), a typical OP that specifically inhibits acetylcholinesterase (AChE) activity. Carbon nanotube-modified gold electrodes functionalized with polydiallyldimethylammonium chloride (PDDA) and oxidized nanocellulose (NC) were investigated for the sensing of OP, yielding high sensitivity. Compared with noncovalent adsorption and deposition in bovine serum albumin, bioconjugation with lysine side chain activation allowed the enzyme to be stable over three weeks at room temperature. The total amount of AChE was quantified, whose activity inhibition was highly linear with respect to DMT concentration. Increased incubation times and/or DMT concentration decreased current flow. The composite electrode showed a sensitivity 4.8-times higher than that of the bare gold electrode. The biosensor was challenged with organophosphate-spiked food samples and showed a limit of detection (LOD) of DMT at 4.1 nM, with a limit of quantification (LOQ) at 12.6 nM, in the linear range of 10 nM to 1000 nM. Such performance infers significant potential for the use of this system in the detection of organophosphates in real samples.
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8
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Kazimova N, Ping K, Alam M, Danilson M, Merisalu M, Aruväli J, Paiste P, Käärik M, Mikli V, Leis J, Tammeveski K, Starkov P, Kongi N. Shungite-derived graphene as a carbon support for bifunctional oxygen electrocatalysts. J Catal 2021. [DOI: 10.1016/j.jcat.2021.01.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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9
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Dey A, Kumar V, Pal S, Guha A, Bawari S, Narayanan TN, Chandrasekhar V. A tetranuclear cobalt(ii) phosphate possessing a D4R core: an efficient water oxidation catalyst. Dalton Trans 2020; 49:4878-4886. [PMID: 32219286 DOI: 10.1039/d0dt00010h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The reaction of Co(OAc)2·4H2O with a sterically hindered phosphate ester, LH2, afforded a tetranuclear complex, [CoII(L)(CH3CN)]4·5CH3CN (1) [LH2 = 2,6-(diphenylmethyl)-4-isopropyl-phenyl phosphate]. The molecular structure of 1 reveals that it is a tetranuclear assembly where the Co(ii) centers are present in the alternate corners of a cube. The four Co(ii) centers are held together by four di-anionic [L]2- ligands. The fourth coordination site on Co(ii) is taken by an acetonitrile ligand. Changing the Co(ii) precursor from Co(OAc)2·4H2O to Co(NO3)2·6H2O afforded a mononuclear complex [CoII(LH)2(CH3CN)2(MeOH)2](MeOH)2 (2). In 2, the Co(ii) centre is surrounded by two monoanionic [LH]- ligands and a pair of methanol and acetonitrile solvents in a six-coordinate arrangement. 1 has been found to be an efficient catalyst for electrochemical water oxidation under highly basic conditions while the mononuclear analogue, 2, does not respond to electrochemical water oxidation. The tetranuclear catalyst has excellent electrochemical stability and longevity, as established by chronoamperometry and >1000 cycle durability tests under highly alkaline conditions. Excellent current densities of 1 and 10 mA cm-2 were achieved with overpotentials of 354 and 452 mV respectively. The turnover frequency of this catalyst was calculated to be 5.23 s-1 with an excellent faradaic efficiency of 97%, indicating the selective oxygen evolution reaction (OER) occurring with the aid of this catalyst. A mechanistic insight into the higher activity of complex 1 towards the OER compared to that of complex 2 is also provided using density functional theory based calculations.
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Affiliation(s)
- Atanu Dey
- Tata Institute of Fundamental Research Hyderabad, Gopanpally, Hyderabad-500107, India.
| | - Vierandra Kumar
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, India.
| | - Shubhadeep Pal
- Tata Institute of Fundamental Research Hyderabad, Gopanpally, Hyderabad-500107, India.
| | - Anku Guha
- Tata Institute of Fundamental Research Hyderabad, Gopanpally, Hyderabad-500107, India.
| | - Sumit Bawari
- Tata Institute of Fundamental Research Hyderabad, Gopanpally, Hyderabad-500107, India.
| | | | - Vadapalli Chandrasekhar
- Tata Institute of Fundamental Research Hyderabad, Gopanpally, Hyderabad-500107, India. and Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, India.
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10
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Bhat SA, Rashid N, Rather MA, Pandit SA, Ingole PP, Bhat MA. Vitamin B12 functionalized N-Doped graphene: A promising electro-catalyst for hydrogen evolution and electro-oxidative sensing of H2O2. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.135730] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Ozden S, Bawari S, Vinod S, Martinez U, Susarla S, Narvaez C, Joyner J, Tiwary CS, Narayanan TN, Ajayan PM. Interface and defect engineering of hybrid nanostructures toward an efficient HER catalyst. NANOSCALE 2019; 11:12489-12496. [PMID: 31225850 DOI: 10.1039/c9nr01321k] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The hydrogen evolution reaction (HER) plays a key role in hydrogen production for clean energy harvesting. Designing novel efficient and robust electrocatalysts with sufficient active sites and excellent conductivity is one of the key parameters for hydrogen production using water splitting devices. Recently, low-dimensional carbon materials have gained attention as metal-free catalysts for hydrogen production. Such nanostructures need to be engineered to improve their catalytic activity. Here, we designed and synthesized a B and N doped carbon nanostructure (CNS)-hBN heterostructure as an improved HER catalyst. The hBN layers on CNS could provide exposed defects and edges that act as active sites for proton adsorption and reduction. The composition, structure and chemical properties of the B and N doped CNS-hBN heterostructure were tuned to obtain excellent HER activity. Detailed morphological, structural and electrochemical characterization demonstrated that the synergistic effect rising from the interaction between B and N doped CNS and hBN structures contributes to enhance the electrocatalytic performances. To get more insight into the role of defects and doping, we performed density functional theory (DFT) calculations on the CNS-hBN heterostructure.
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Affiliation(s)
- Sehmus Ozden
- Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, NM, USA.
| | - Sumit Bawari
- Tata Institute of Fundamental Research-Hyderabad, Sy. No. 36/P, Gopanapally Village, Serilingampally Mandal, Hyderabad-500 107, India
| | - Soumya Vinod
- Department of Material Science and NanoEngineering, Rice University, Houston, Texas, 77005 USA
| | - Ulises Martinez
- Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, NM, USA.
| | - Sandhya Susarla
- Department of Material Science and NanoEngineering, Rice University, Houston, Texas, 77005 USA
| | - Claudia Narvaez
- Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, NM, USA.
| | - Jarin Joyner
- Department of Material Science and NanoEngineering, Rice University, Houston, Texas, 77005 USA
| | - Chandra Sekhar Tiwary
- Metallurgical and materials Engineering, Indian Institute of Technology Kharagpur, Kharagpur-721302, India
| | - Tharangattu N Narayanan
- Tata Institute of Fundamental Research-Hyderabad, Sy. No. 36/P, Gopanapally Village, Serilingampally Mandal, Hyderabad-500 107, India
| | - Pulickel M Ajayan
- Department of Material Science and NanoEngineering, Rice University, Houston, Texas, 77005 USA
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Desmecht A, Sheet D, Poleunis C, Hermans S, Riant O. Covalent Grafting of BPin functions on Carbon Nanotubes and Chan-Lam-Evans Post-Functionalization. Chemistry 2019; 25:1436-1440. [PMID: 30325086 DOI: 10.1002/chem.201804859] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Indexed: 12/21/2022]
Abstract
The chemical functionalization of carbon nanotubes is often a prerequisite prior to their use in various applications. The covalent grafting of 4,4,5,5-tetramethyl-1,3,2-dioxaborolane (BPin) functional groups directly on the surface of multi- and single-walled carbon nanotubes, activated by nucleophilic addition of nBuLi, was carried out. Thermogravimetric analysis (TGA) coupled with mass spectrometry, Raman spectroscopy, X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ions mass spectrometry (ToF-SIMS) confirmed the efficiency of this methodology and proved the integrity and covalent grafting of the BPin functional groups. These groups were further reacted with various nucleophiles in the presence of a copper(II) source in the conditions of the aerobic Chan-Lam-Evans coupling. The resulting materials were characterized by TGA, XPS and ToF-SIMS. This route is efficient, reliable and among the scarce reactions that enable the direct grafting of heteroatoms at carbonaceous material surfaces.
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Affiliation(s)
- Antonin Desmecht
- Institute of Condensed Matter and Nanosciences, Molecules, Solids and Reactivity (IMCN/MOST), Université Catholique de Louvain, Place Louis Pasteur 1, 1348, Louvain-la-Neuve, Belgium
| | - Debobrata Sheet
- Institute of Condensed Matter and Nanosciences, Molecules, Solids and Reactivity (IMCN/MOST), Université Catholique de Louvain, Place Louis Pasteur 1, 1348, Louvain-la-Neuve, Belgium
| | - Claude Poleunis
- Institute of Condensed Matter and Nanosciences, Molecules, Solids and Reactivity (IMCN/MOST), Université Catholique de Louvain, Place Louis Pasteur 1, 1348, Louvain-la-Neuve, Belgium
| | - Sophie Hermans
- Institute of Condensed Matter and Nanosciences, Molecules, Solids and Reactivity (IMCN/MOST), Université Catholique de Louvain, Place Louis Pasteur 1, 1348, Louvain-la-Neuve, Belgium
| | - Olivier Riant
- Institute of Condensed Matter and Nanosciences, Molecules, Solids and Reactivity (IMCN/MOST), Université Catholique de Louvain, Place Louis Pasteur 1, 1348, Louvain-la-Neuve, Belgium
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13
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Sarma PV, Tiwary CS, Radhakrishnan S, Ajayan PM, Shaijumon MM. Oxygen incorporated WS 2 nanoclusters with superior electrocatalytic properties for hydrogen evolution reaction. NANOSCALE 2018; 10:9516-9524. [PMID: 29737994 DOI: 10.1039/c8nr00253c] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Transition metal dichalcogenides (TMDs) exhibit unique properties and show potential for promising applications in energy conversion. Mono/few-layered TMDs have been widely explored as active electrocatalysts for the hydrogen evolution reaction (HER). A controlled synthesis of TMD nanostructures with unique structural and electronic properties, leading to highly active sites or higher conductivity, is essential to achieve enhanced HER activity. Here, we demonstrate a new approach to controllably synthesize highly catalytically active oxygen-incorporated 1T and 2H WS2 nanoclusters from oxygen deficient WO3 nanorods, following chemical exfoliation and ultrasonication processes, respectively. The as-synthesized 1T nanoclusters, with unique properties of tailored edge sites, and enhanced conductivity resulting from the metallic 1T phase and oxygen incorporation, have been identified as highly active and promising electrocatalysts for the HER, with a very low Tafel slope of 47 mV per decade and a low onset overpotential of 88 mV, along with exceptionally high exchange current density and very good stability. The study could be extended to other TMD materials for potential applications in energy conversion and storage.
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Affiliation(s)
- Prasad V Sarma
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India.
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14
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Schirowski M, Abellán G, Nuin E, Pampel J, Dolle C, Wedler V, Fellinger TP, Spiecker E, Hauke F, Hirsch A. Fundamental Insights into the Reductive Covalent Cross-Linking of Single-Walled Carbon Nanotubes. J Am Chem Soc 2018; 140:3352-3360. [DOI: 10.1021/jacs.7b12910] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Milan Schirowski
- Chair of Organic Chemistry II, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Henkestrasse 42, 91054 Erlangen, Germany
- Joint Institute of Advanced Materials and Processes, Friedrich-Alexander-Universität Erlangen-Nürnberg, Dr.-Mack-Strasse 81, 90762 Fürth, Germany
| | - Gonzalo Abellán
- Chair of Organic Chemistry II, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Henkestrasse 42, 91054 Erlangen, Germany
- Joint Institute of Advanced Materials and Processes, Friedrich-Alexander-Universität Erlangen-Nürnberg, Dr.-Mack-Strasse 81, 90762 Fürth, Germany
| | - Edurne Nuin
- Chair of Organic Chemistry II, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Henkestrasse 42, 91054 Erlangen, Germany
| | - Jonas Pampel
- Fraunhofer Institute IWS, Winterbergstr. 28, 01277 Dresden, Germany
| | - Christian Dolle
- Institute of Micro- and Nanostructure Research, Friedrich-Alexander-Universität Erlangen-Nürnberg, Cauerstrasse 6, 91058 Erlangen, Germany
| | - Vincent Wedler
- Joint Institute of Advanced Materials and Processes, Friedrich-Alexander-Universität Erlangen-Nürnberg, Dr.-Mack-Strasse 81, 90762 Fürth, Germany
| | - Tim-Patrick Fellinger
- University of Applied Science Zittau/Görlitz, Theodor-Körner Allee 16, 02763 Zittau, Germany
- Department of Technical Electrochemistry, Technical University Munich, Lichtenbergstraße 4, 85748 Garching, Germany
| | - Erdmann Spiecker
- Institute of Micro- and Nanostructure Research, Friedrich-Alexander-Universität Erlangen-Nürnberg, Cauerstrasse 6, 91058 Erlangen, Germany
| | - Frank Hauke
- Joint Institute of Advanced Materials and Processes, Friedrich-Alexander-Universität Erlangen-Nürnberg, Dr.-Mack-Strasse 81, 90762 Fürth, Germany
| | - Andreas Hirsch
- Chair of Organic Chemistry II, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Henkestrasse 42, 91054 Erlangen, Germany
- Joint Institute of Advanced Materials and Processes, Friedrich-Alexander-Universität Erlangen-Nürnberg, Dr.-Mack-Strasse 81, 90762 Fürth, Germany
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15
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Peng H, Yang X, Ma Y, Liu J, Wang Y, Tan H, Li Y. Polyoxometalate-based metal–organic framework loaded with an ultra-low amount of Pt as an efficient electrocatalyst for hydrogen production. CrystEngComm 2018. [DOI: 10.1039/c8ce01151f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A low-Pt content polyoxometalate-based metal–organic framework (Pt@POMOF-1/KB) displays a highly efficient performance towards the hydrogen evolution reaction.
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Affiliation(s)
- Haiyue Peng
- Key Laboratory of Polyoxometalate Science of the Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun
- China
| | - Xiaojian Yang
- Key Laboratory of Polyoxometalate Science of the Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun
- China
| | - Yuanyuan Ma
- Key Laboratory of Polyoxometalate Science of the Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun
- China
| | - Jianing Liu
- Key Laboratory of Polyoxometalate Science of the Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun
- China
| | - Yonghui Wang
- Key Laboratory of Polyoxometalate Science of the Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun
- China
| | - Huaqiao Tan
- Key Laboratory of Polyoxometalate Science of the Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun
- China
| | - Yangguang Li
- Key Laboratory of Polyoxometalate Science of the Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun
- China
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