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Dhillon M, Naskar A, Kaushal N, Bhansali S, Saha A, Basu AK. A novel GO hoisted SnO 2-BiOBr bifunctional catalyst for the remediation of organic dyes under illumination by visible light and electrocatalytic water splitting. NANOSCALE 2024; 16:12445-12458. [PMID: 38775017 DOI: 10.1039/d4nr01154f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2024]
Abstract
It is imperative to develop affordable multi-functional catalysts based on transition metals for various applications, such as dye degradation or the production of green energy. For the first time, we propose a simple chemical bath method to create a SnO2-BiOBr-rGO heterojunction with remarkable photocatalytic and electrocatalytic activities. After introducing graphene oxide (GO) into the SnO2-BiOBr nanocomposite, the charge separation, electron mobility, surface area, and electrochemical properties were significantly improved. The X-ray diffraction results show the successful integration of GO into the SnO2-BiOBr nanocomposite. Systematic material characterization by scanning and transmission electron microscopy showed that the photocatalysts are composed of uniformly distributed SnO2 nanoparticles (∼11 nm) on the regular nanosheets of BiOBr (∼94 nm) and rGO. The SnO2-BiOBr-rGO photocatalyst has outstanding photocatalytic activity when it comes to reducing a variety of organic dyes like rhodamine B (RhB) and methylene blue (MB). Within 90 minutes of visible light illumination, degradation of a maximum of 99% for MB and 99.8% for RhB was noted. The oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) performance was also tested for the ternary nanocomposite, and significantly lower overpotential values of 0.34 and -0.11 V (vs. RHE) at 10 mA cm-2 were observed for the OER and HER, respectively. Furthermore, the Tafel slope values are 34 and 39 mV dec-1 for the OER and HER, respectively. The catalytic degradation of dyes with visible light and efficient OER and HER performance offer this work a broad spectrum of potential applications.
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Affiliation(s)
- Manshu Dhillon
- Quantum Materials and Devices Unit, Institute of Nano Science and Technology, Mohali 140306, India
| | - Abhishek Naskar
- Quantum Materials and Devices Unit, Institute of Nano Science and Technology, Mohali 140306, India
| | - Neha Kaushal
- CSIR-Central Scientific Instruments Organisation (CSIR-CSIO), Sector 30 C, Chandigarh, 160030, India
- Academy of Scientific and Innovative Research (AcSIR-CSIO), Ghaziabad-201002, India
| | - Shekhar Bhansali
- Electrical and Computer Engineering, Florida International University, Miami, FL 33199, USA
| | - Avishek Saha
- Academy of Scientific and Innovative Research (AcSIR-CSIO), Ghaziabad-201002, India
- CSIR-National Chemical Laboratory (NCL), Dr. Homi Bhabha Road, Pune, 411008, India
| | - Aviru Kumar Basu
- Quantum Materials and Devices Unit, Institute of Nano Science and Technology, Mohali 140306, India
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Wagh NK, Kim DH, Lee CH, Kim SH, Um HD, Kwon JSI, Shinde SS, Lee SU, Lee JH. Heterointerface promoted trifunctional electrocatalysts for all temperature high-performance rechargeable Zn-air batteries. NANOSCALE HORIZONS 2023. [PMID: 37183764 DOI: 10.1039/d3nh00108c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
The rational design of wide-temperature operating Zn-air batteries is crucial for their practical applications. However, the fundamental challenges remain; the limitation of the sluggish oxygen redox kinetics, insufficient active sites, and poor efficiency/cycle lifespan. Here we present heterointerface-promoted sulfur-deficient cobalt-tin-sulfur (CoS1-δ/SnS2-δ) trifunctional electrocatalysts by a facile solvothermal solution-phase approach. The CoS1-δ/SnS2-δ displays superb trifunctional activities, precisely a record-level oxygen bifunctional activity of 0.57 V (E1/2 = 0.90 V and Ej=10 = 1.47 V) and a hydrogen evolution overpotential (41 mV), outperforming those of Pt/C and RuO2. Theoretical calculations reveal the modulation of the electronic structures and d-band centers that endorse fast electron/proton transport for the hetero-interface and avoid the strong adsorption of intermediate species. The alkaline Zn-air batteries with CoS1-δ/SnS2-δ manifest record-high power density of 249 mW cm-2 and long-cycle life for >1000 cycles under harsh operations of 20 mA cm-2, surpassing those of Pt/C + RuO2 and previous state-of-the-art catalysts. Furthermore, the solid-state flexible Zn-air battery also displays remarkable performance with an energy density of 1077 Wh kg-1, >690 cycles for 50 mA cm-2, and a wide operating temperature from +80 to -40 °C with 85% capacity retention, which provides insights for practical Zn-air batteries.
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Affiliation(s)
- Nayantara K Wagh
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan, Republic of Korea.
| | - Dong-Hyung Kim
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan, Republic of Korea.
| | - Chi Ho Lee
- Artie McFerrin Department of Chemical Engineering, Texas A&M Energy Institute, College Station, Texas 77843, USA
| | - Sung-Hae Kim
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan, Republic of Korea.
| | - Han-Don Um
- Department of Chemical Engineering, Kangwon National University, Chuncheon, Gangwon-do 24341, Republic of Korea
| | - Joseph Sang-Il Kwon
- Artie McFerrin Department of Chemical Engineering, Texas A&M Energy Institute, College Station, Texas 77843, USA
| | - Sambhaji S Shinde
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan, Republic of Korea.
| | - Sang Uck Lee
- School of Chemical Engineering, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Republic of Korea
| | - Jung-Ho Lee
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan, Republic of Korea.
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3
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Wu YZ, Huang Y, Jiang LW, Meng C, Yin ZH, Liu H, Wang JJ. Modulating the electronic structure of CoS2 by Sn doping boosting urea oxidation for efficient alkaline hydrogen production. J Colloid Interface Sci 2023; 642:574-583. [PMID: 37028164 DOI: 10.1016/j.jcis.2023.03.165] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 03/22/2023] [Accepted: 03/25/2023] [Indexed: 04/03/2023]
Abstract
Urea electrocatalytic oxidation afforded by renewable energies is highly promising to replace the sluggish oxygen evolution reaction in water splitting for hydrogen production while realizing the treatment of urea-rich waste water. Therefore, the development of efficient and cost-effective catalysts for water splitting assisted by urea is highly desirable. Herein, Sn-doped CoS2 electrocatalysts were reported with the engineered electronic structure and the formation of Co-Sn dual active sites for urea oxidation reaction (UOR) and hydrogen evolution reaction (HER), respectively. Consequently, the number of active sites and the intrinsic activity were enhanced simultaneously and the resultant electrodes exhibited outstanding electrocatalytic activity with a very low potential of 1.301 V at 10 mA·cm-2 for UOR and an overpotential of 132 mV at 10 mA·cm-2 for HER. Therefore, a two-electrode device was assembled by employing Sn(2)-CoS2/CC and Sn(5)-CoS2/CC and the constructed cell required only 1.45 V to approach a current density of 10 mA·cm-2 along with good durability for at least 95 h assisted by urea. More importantly, the assembled electrolyzer can be powered by commercial dry battery to generate numerous gas bubbles on the surface of the electrodes, demonstrating the high potential of the as-fabricated electrodes for applications in hydrogen production and pollutant treatment at a low-voltage electrical energy input.
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Manzoor S, Aman S, Alanazi MM, Abdelmohsen SAM, Khosa RY, Ahmad N, Abid AG, Nisa MU, Hua R, Chughtai AH. Facile fabrication of MnTe@CNT nanocomposite for high efficiency hydrogen production via renewable energy sources. APPLIED NANOSCIENCE 2023. [DOI: 10.1007/s13204-023-02764-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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5
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Hierarchical Ultrathin Layered GO-ZnO@CeO 2 Nanohybrids for Highly Efficient Methylene Blue Dye Degradation. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27248788. [PMID: 36557922 PMCID: PMC9784927 DOI: 10.3390/molecules27248788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022]
Abstract
Highly efficient interfacial contact between components in nanohybrids is a key to achieving great photocatalytic activity in photocatalysts and degradation of organic model pollutants under visible light irradiation. Herein, we report the synthesis of nano-assembly of graphene oxide, zinc oxide and cerium oxide (GO-ZnO@CeO2) nanohybrids constructed by the hydrothermal method and subsequently annealed at 300 °C for 4 h. The unique graphene oxide sheets, which are anchored with semiconducting materials (ZnO and CeO2 nanoparticles), act with a significant role in realizing sufficient interfacial contact in the new GO-ZnO@CeO2 nanohybrids. Consequently, the nano-assembled structure of GO-ZnO@CeO2 exhibits a greater level (96.66%) of MB dye degradation activity than GO-ZnO nanostructures and CeO2 nanoparticles on their own. This is due to the thin layers of GO-ZnO@CeO2 nanohybrids with interfacial contact, suitable band-gap matching and high surface area, preferred for the improvement of photocatalytic performance. Furthermore, this work offers a facile building and cost-effective construction strategy to synthesize the GO-ZnO@CeO2 nanocatalyst for photocatalytic degradation of organic pollutants with long-term stability and higher efficiency.
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Gowthaman K, Gowthaman Metthodology P, Venkatachalam M, Saroja M, Kutraleeswaran M, Dhinesh S. Design and synthesis of TiO2/ZnO nanocomposite with enhanced oxygen vacancy: Better photocatalytic removal of MB dye under visible light-driven condition. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Nan Y, Wang Z. Optimized nano-metal particles filled into carbon nanohorns to achieve high N-doping amount and high porosity for enhanced oxygen evolution reaction. RSC Adv 2022; 12:11032-11038. [PMID: 35425045 PMCID: PMC8989025 DOI: 10.1039/d2ra01013e] [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: 02/16/2022] [Accepted: 03/27/2022] [Indexed: 11/21/2022] Open
Abstract
Nano-metal-filled N-doped carbon materials have been actively verified as promising alternatives for precious-metal catalysts in the oxygen evolution reaction (OER). Herein, Ni/Fe/Cu-filled N-doped carbon nanohorns (CNHs) are synthesized via a positive pressure assisted arc discharge method using a Ni/Fe/Cu rod charged in an anode hole in a N2 and Ar mixture. We first found that the amount of N atom doping can be controlled by the types of nano-metal particles encapsulated by CNHs. The content of N atoms on CNHs uniquely depended on the initial Ni wires inserted into the anode graphite; increasing the number of Ni wires induced the enrichment of N atoms until 3.56 at%, whereas the content of N atoms for Cu- and Fe-filled CNHs is against the results; loading Cu and Fe nanoparticles decreases the N-doping amount. And the morphologies and N-configurations can be changed by the types of metal nanoparticles. Furthermore, the OER performance of Ni-filled CNHs is much superior to that of Cu- and Fe-filled CNHs, which can be significantly enhanced by the tip opening structure, and the increase in Ni loading amount and the N atom content. The Ni-filled CNHs achieve excellent OER performance, attributing to the high N-doping amount and high porosity of CNHs.![]()
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Affiliation(s)
- Yanli Nan
- School of Material Science and Engineering, Shaanxi Key Laboratory of Nano Materials and Technology, Xi'an University of Architecture and Technology Xi'an 710055 China
| | - Zhaoyu Wang
- School of Material Science and Engineering, Shaanxi Key Laboratory of Nano Materials and Technology, Xi'an University of Architecture and Technology Xi'an 710055 China
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Pandit MA, Hemanth Kumar DS, Ramadoss M, Chen Y, Muralidharan K. Template free-synthesis of cobalt-iron chalcogenides [Co 0.8Fe 0.2L 2, L = S, Se] and their robust bifunctional electrocatalysis for the water splitting reaction and Cr(vi) reduction. RSC Adv 2022; 12:7762-7772. [PMID: 35424756 PMCID: PMC8982282 DOI: 10.1039/d2ra00447j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 01/22/2022] [Indexed: 12/01/2022] Open
Abstract
The ease of production of materials and showing multiple applications are appealing in this modern era of advanced technology. This paper reports the synthesis of a pair of novel cobalt–iron chalcogenides [Co0.8Fe0.2S2 and Co0.8Fe0.2Se2] with enhanced electro catalytic activities. These ternary metal chalcogenides were synthesized by a one-step template-free approach via a hexamethyldisilazane (HMDS)-assisted synthetic method. Transient photocurrent (TPC) studies and electrochemical impedance spectra (EIS) of these materials showed free electron mobility. Their bifunctional activities were verified in both the electrochemical oxygen evolution reaction (OER) and in the electrochemical reduction of toxic inorganic heavy metal ions [Cr(vi)] in polluted water. The materials showed robust catalytic ability in the oxygen evolution reaction with minimum possible over potential (345 and 350 mV @ η10) as determined by linear sweep voltammetry and the lower Tafel values (52.4 and 84.5 mV dec−1) for Co0.8Fe0.2Se2 and Co0.8Fe0.2S2 respectively. Surprisingly, both the materials also showed an excellent activity towards electrochemical Cr(vi) reduction to Cr(iii). Besides the maximum current achieved for Co0.8Fe0.2S2, a minimum value for the Limit of detection (LOD) was obtained for Co0.8Fe0.2S2 (0.159 μg L−1) compared to Co0.8Fe0.2Se2 (0.196 μg L−1). We tested the durability of catalysts, the critical factor for the prolonged use of catalysts, through the recyclability measurements of these materials as catalysts. Both the catalysts presented outstanding durability and balanced electro catalytic activities for up to 1500 CV cycles, and chronoamperometry studies also confirmed exceptional stability. The enhanced catalytic activities of these materials are ascribed to the free electron movement, evidenced by the increased TPC measured and EIS. Therefore, the template-free synthesis of these electro catalysts containing non-noble metal illustrates the practical approach to develop such types of catalysts for multiple functions. The ease of production of materials and showing multiple applications are appealing in this modern era of advanced technology. Cobalt–iron chalcogenides showing multiple application is reported.![]()
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Affiliation(s)
| | | | - Manigandan Ramadoss
- School of Chemistry, University of Hyderabad Hyderabad India .,School of Electronic Science and Engineering, University of Electronic Science and Technology of China Chengdu 610054 PR China
| | - Yuanfu Chen
- School of Electronic Science and Engineering, University of Electronic Science and Technology of China Chengdu 610054 PR China
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Wang JH, Chang CL, Zhang ZW, EL-Mahdy AFM. Facile metal-free synthesis of pyrrolo[3,2- b]pyrrolyl-based conjugated microporous polymers for high-performance photocatalytic degradation of organic pollutants. Polym Chem 2022. [DOI: 10.1039/d2py00658h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
An efficient and metal-free approach to the synthesis of new kinds of CMPs (pyrrolo[3,2-b]pyrrolyl-based CMPs) on a gram scale within a short time has been developed for remarkable adsorbent and photocatalytic degradation of organic pollutants.
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Affiliation(s)
- Jing Han Wang
- Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Chih-Ling Chang
- Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Zhe Wei Zhang
- Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Ahmed F. M. EL-Mahdy
- Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
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Nan Y, Zhang Z, He Y, Wei J, Zhou Y. Optimized Nanopores Opened on N-Doped Carbon Nanohorns Filled with Fe/Fe 2O 3 Nanoparticles as Advanced Electrocatalysts for the Oxygen Evolution Reaction. Inorg Chem 2021; 60:16529-16537. [PMID: 34665597 DOI: 10.1021/acs.inorgchem.1c02416] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
N-doped carbon nanohorns filled with Fe nanoparticles (Fe-N-CNHs) were produced by one-step positive pressure-assisted arc discharge in the Ar and N2 mixture. After oxidation treatments in air, Fe was converted into Fe2O3, and nanopores were opened on CNHs from 1 to 5 nm controlled by oxidation temperature. Fe-N-CNHs oxidized in O2 at 550 °C (Fe2O3-N-CNH550ox) show 245 mV at 20 mA cm-1, which is much smaller than that of the ones oxidized at 500 °C (Fe2O3-N-CNH500ox), contributing to the larger pore size on CNHs (3-5 nm vs 2-3 nm) and a larger number of nanopores caused by the enhanced sidewall nanopores. However, the stability of Fe2O3-N-CNH550ox becomes much poorer than that of Fe2O3-N-CNH500ox after 2000 cycles. The unique relationship between the overpotential and long-term stability can be explained by the consideration of the size of Fe2O3 nanoparticles and nanopores on CNHs. Furthermore, the stability for Fe2O3-N-CNH550ox can be rapidly increased after heat treatment in Ar for 1 h caused by shrinking the size of tip nanopores. Herein, we first reveal that the performance of OER is related to the nanopore size of carbon carriers and the catalyst of nanometal particles. The optimization of pore-opening conditions in carbon carriers can be achieved a superior electrocatalytic OER performance, including a low overpotential at high current density and long-term stability.
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Affiliation(s)
- Yanli Nan
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Nano Materials and Technology, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Zihan Zhang
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Nano Materials and Technology, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Yuanyuan He
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Nano Materials and Technology, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Jian Wei
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Nano Materials and Technology, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Yun Zhou
- School of Medical Information and Engineering, Southwest Medical University, Lu Zhou 646000, China
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Karpuraranjith M, Chen Y, Rajaboopathi S, Ramadoss M, Srinivas K, Yang D, Wang B. Three-dimensional porous MoS 2 nanobox embedded g-C 3N 4@TiO 2 architecture for highly efficient photocatalytic degradation of organic pollutant. J Colloid Interface Sci 2021; 605:613-623. [PMID: 34343734 DOI: 10.1016/j.jcis.2021.07.133] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 07/18/2021] [Accepted: 07/25/2021] [Indexed: 01/11/2023]
Abstract
Herein, a simple, highly efficient and stable MoS2 nanobox embedded graphitic-C3N4@TiO2 (g-CN@TiO2) nanoarchitecture was synthesized by a facile solvothermal approach. The nano-hybrid photocatalyst was constructed by TiO2 nanoparticles anchored on the surface of g-CN nanosheets. Then highly crystalline three-dimensional porous MoS2 nanobox was homogeneously distributed on the g-CN@TiO2 surface. The g-CN@TiO2/MoS2 hybrid achieved a high photocatalytic degradation efficiency of 97.5% for methylene blue (MB) dye pollutant under visible-light irradiant in an hour which was much better than TiO2@MoS2, g-CN@TiO2, MoS2, TiO2 and g-CN. Furthermore, the reaction rate (k) value of g-CN@TiO2/MoS2 for MB dye is as high as 3.18 X 10-2 min-1, which is ~ 2.65 times better than those of g-CN@TiO2 and MoS2. This work presents a rational structure design, interfacial construction and suitable band gap strategy to synthesize advanced nano-hybrid photocatalyst for degradation of organic pollutant with excellent performance and long-term stability.
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Affiliation(s)
- Marimuthu Karpuraranjith
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China.
| | - Yuanfu Chen
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China; College of Science and Institute of Oxygen Supply, Tibet University, Lhasa 850000, PR China.
| | - Sivamoorthy Rajaboopathi
- Department of Chemistry, Government Arts College for Women, Sivagangai 630561, Tamil Nadu, India
| | - Manigandan Ramadoss
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China
| | - Katam Srinivas
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China
| | - Dongxu Yang
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China
| | - Bin Wang
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China
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12
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Karpuraranjith M, Chen Y, Wang B, Ramkumar J, Yang D, Srinivas K, Wang W, Zhang W, Manigandan R. Hierarchical ultrathin layered MoS 2@NiFe 2O 4 nanohybrids as a bifunctional catalyst for highly efficient oxygen evolution and organic pollutant degradation. J Colloid Interface Sci 2021; 592:385-396. [PMID: 33677198 DOI: 10.1016/j.jcis.2021.02.062] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 02/10/2021] [Accepted: 02/14/2021] [Indexed: 02/07/2023]
Abstract
Rational design and highly efficient dual-functional catalyst are still difficult to develop for electrocatalytic oxygen evolution reaction and degradation of RhB dye pollutant. Herein, we report a highly efficient "bandgap matching and interfacial coupling" strategy to synthesize nano-assembled ultrathin layered MoS2@NiFe2O4 (MS@NiFeO) bifunctional catalyst constructed by the hydrothermal route and subsequently amine-hydrolysis. The OER performance of the prepared MS@NiFeO catalyst delivers a low overpotential of 290 mV at 10 mA/cm2 and Tafel slope is 69.2 mV dec-1 in an alkaline solution. In addition, the nano-assembled ultrathin layered structure of MS@NiFeO showed a highly efficient (96.37%) RhB dye degradation performance than that of MoS2 nanosheets and NiFe2O4 nanostructures. Unique nanostructure of ultrathin layered MS@NiFeO with suitable band matching, interfacial charge transfer, high surface area and more active sites favored for the enhancement of the catalytic activity. This work presents an unpretentious construction and low-cost production strategy to synthesize bifunctional hybrid catalyst for oxygen evolution reaction as well as degradation of organic pollutant with superior efficiency and longer stability.
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Affiliation(s)
- Marimuthu Karpuraranjith
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China.
| | - Yuanfu Chen
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China; School of Science and Institute of Oxygen Supply, Tibet University, Lhasa 850000, PR China.
| | - Bin Wang
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China
| | - Jeyagopal Ramkumar
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China
| | - Dongxu Yang
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China
| | - Katam Srinivas
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China
| | - Wei Wang
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China
| | - Wanli Zhang
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China
| | - Ramadoss Manigandan
- School of Electronic Science and Technology, and State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China.
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13
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Yao L, Lin J, Li S, Wu Y, Ding H, Zheng H, Xu W, Xie T, Yue G, Peng D. Metal-organic frameworks-derived hollow dodecahedral carbon combined with FeN x moieties and ruthenium nanoparticles as cathode electrocatalyst for lithium oxygen batteries. J Colloid Interface Sci 2021; 596:1-11. [PMID: 33826967 DOI: 10.1016/j.jcis.2021.03.108] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/11/2021] [Accepted: 03/18/2021] [Indexed: 10/21/2022]
Abstract
Owing to their high energy density, lithium-oxygen batteries (LOBs) have been drawn great attention as one of the promising electrochemical energy sources. However, the sluggish kinetics of oxygen reduction/evolution reaction (ORR/OER) hamper the widespread application of LOBs. Herein, an elaborate designed catalysts which are constructed by FeNx moieties dispersed on the network-like hollow dodecahedral carbon and then decorated with Ru nanoparticles (FeNx-HDC@Ru). Since the homogeneously dispersed FeNx moieties could promote ORR performance, and the Ru nanoparticles could facilitate OER capability, the FeNx-HDC@Ru nanocomposites used as cathode catalysts can significantly improve LOBs performance. A lower discharge and charge overpotentials of 0.15 V and 0.78 V can be detected in the first cycle, respectively, and an excellent cycle performance of 90 cycles at 200 mA g-1 and 89 cycles at 500 mA g-1 can be demonstrated. Herein, the charge transfer kinetics has been enhanced with the internal network-like hollow structure and a low impedance Li2O2/catalysts contact interface could be earned by the constructed Ru nanoparticles, these factors would lead to an efficient acceleration to the formation and decomposition of Li2O2 during discharge and charge process.
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Affiliation(s)
- Luxi Yao
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Materials Genome, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen 361005, Fujian, PR China
| | - Jian Lin
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Materials Genome, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen 361005, Fujian, PR China
| | - Shuai Li
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Materials Genome, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen 361005, Fujian, PR China
| | - Yuanhui Wu
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Materials Genome, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen 361005, Fujian, PR China
| | - Haoran Ding
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Materials Genome, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen 361005, Fujian, PR China
| | - Hongfei Zheng
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Materials Genome, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen 361005, Fujian, PR China
| | - Wanjie Xu
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Materials Genome, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen 361005, Fujian, PR China
| | - Te Xie
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Materials Genome, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen 361005, Fujian, PR China
| | - Guanghui Yue
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Materials Genome, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen 361005, Fujian, PR China.
| | - Dongliang Peng
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Materials Genome, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen 361005, Fujian, PR China.
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14
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Yaqoob L, Noor T, Iqbal N, Nasir H, Zaman N, Talha K. Electrochemical synergies of Fe–Ni bimetallic MOF CNTs catalyst for OER in water splitting. JOURNAL OF ALLOYS AND COMPOUNDS 2021; 850:156583. [DOI: 10.1016/j.jallcom.2020.156583] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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15
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Zhao M, Li W, Li J, Hu W, Li CM. Strong Electronic Interaction Enhanced Electrocatalysis of Metal Sulfide Clusters Embedded Metal-Organic Framework Ultrathin Nanosheets toward Highly Efficient Overall Water Splitting. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2001965. [PMID: 33101878 PMCID: PMC7578852 DOI: 10.1002/advs.202001965] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/19/2020] [Indexed: 05/23/2023]
Abstract
Unique metal sulfide (MS) clusters embedded ultrathin nanosheets of Fe/Ni metal-organic framework (MOF) are grown on nickel foam (NiFe-MS/MOF@NF) as a highly efficient bifunctional electrocatalyst for overall water splitting. It exhibits remarkable catalytic activity and stability toward both the oxygen evolution reaction (OER, ƞ = 230 mV at 50 mA cm-2) and hydrogen evolution reaction (HER, ƞ = 156 mV at 50 mA cm-2) in alkaline media, and bi-functionally catalyzes overall alkaline water splitting at a current density of 50 mA cm-2 by 1.74 V cell voltage without iR compensation. The enhancement mechanism is ascribed to the impregnated metal sulfide clusters in the nanosheets, which not only promote the formation of ultrathin nanosheet to greatly enlarge the reaction surface area while offering high electric conductivity, but more importantly, efficiently modulate the electronic structure of the catalytically active atom sites to an electron-rich state via strong electronic interaction and strengthen the adsorption of oxygenate intermediate to facilitate fast electrochemical reactions. This work reports a highly efficient HER/OER bifunctional electrocatalyst and may shed light on the rational design and synthesis of uniquely structured MOF-derived catalysts.
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Affiliation(s)
- Ming Zhao
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University)Ministry of EducationInstitute for Clean Energy and Advanced MaterialsSchool of Materials and EnergySouthwest UniversityChongqing Key Laboratory for Advanced Materials and Technologies of Clean EnergiesSouthwest UniversityChongqing400715China
| | - Wei Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University)Ministry of EducationInstitute for Clean Energy and Advanced MaterialsSchool of Materials and EnergySouthwest UniversityChongqing Key Laboratory for Advanced Materials and Technologies of Clean EnergiesSouthwest UniversityChongqing400715China
| | - Junying Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University)Ministry of EducationInstitute for Clean Energy and Advanced MaterialsSchool of Materials and EnergySouthwest UniversityChongqing Key Laboratory for Advanced Materials and Technologies of Clean EnergiesSouthwest UniversityChongqing400715China
| | - Weihua Hu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University)Ministry of EducationInstitute for Clean Energy and Advanced MaterialsSchool of Materials and EnergySouthwest UniversityChongqing Key Laboratory for Advanced Materials and Technologies of Clean EnergiesSouthwest UniversityChongqing400715China
| | - Chang Ming Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University)Ministry of EducationInstitute for Clean Energy and Advanced MaterialsSchool of Materials and EnergySouthwest UniversityChongqing Key Laboratory for Advanced Materials and Technologies of Clean EnergiesSouthwest UniversityChongqing400715China
- Institute of Materials Science and DevicesSchool of Materials Science and EngineeringSuzhou University of Science and TechnologySuzhou215009China
- Institute of Advanced Cross‐field ScienceCollege of Life ScienceQingdao UniversityQingdao200671China
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16
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Navrotskaya AG, Aleksandrova DD, Krivoshapkina EF, Sillanpää M, Krivoshapkin PV. Hybrid Materials Based on Carbon Nanotubes and Nanofibers for Environmental Applications. Front Chem 2020; 8:546. [PMID: 32695748 PMCID: PMC7338791 DOI: 10.3389/fchem.2020.00546] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 05/27/2020] [Indexed: 12/04/2022] Open
Abstract
With the advances in material science, hybrid nanomaterials with unique mechanical, electrical, thermal and optical characteristics have been developed. Among them, hybrids based on filamentous forms of carbon, such as carbon nanotubes and carbon nanofibers, in combination with inorganic nanoparticles attract particular attention. Due to the structure and morphology, charge and energy transfer processes lead to synergistic effects that allow the use of less material with higher productivity. To clarify these issues, this review will summarize and discuss the relevant studies of the use of inorganic compounds of various chemical groups in modifying carbon nanomaterials for ecological applications.
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Affiliation(s)
| | | | | | - Mika Sillanpää
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam.,Faculty of Environment and Chemical Engineering, Duy Tan University, Da Nang, Vietnam.,Faculty of Health, Engineering and Sciences, School of Civil Engineering and Surveying, University of Southern Queensland, Toowoomba, QLD, Australia
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