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Selvam T, Dhinasekaran D, Subramanian B, Rajendran AR. Enhancing Interplanar Spacing in V 2O 3/V 3O 7 Heterostructures to Optimize Cathode Efficiency for Zn-Ion Batteries. J Phys Chem Lett 2024; 15:1338-1346. [PMID: 38285685 DOI: 10.1021/acs.jpclett.3c03590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
The improvement of sophisticated cathode materials plays a major role in boosting the efficiency of Zn-ion batteries. These batteries have garnered considerable interest as a result of their excellent energy density and the promise of cost-effective solutions for energy storage. In this work, we present a novel approach to progress the electrochemical investigation of Zn-ion batteries by expanding the interplanar distance of layered hydrated V2O3/V3O7 heterostructure nanosheets. Electrochemical investigations were conducted to assess the effectiveness of the stacked hydrated V2O3/V3O7 heterostructure as a cathode component for Zn-ion batteries. The expanded interplanar space as a result of the introduction of water molecules facilitates the insertion/extraction of Zn ions, leading to significantly enhanced electrochemical characteristics. The layered hydrated V2O3/V3O7 heterostructure exhibited an impressive specific capacity of 330 mAh g-1 at a current density of 0.1 A g-1, maintaining a capacity retention of approximately 92.3% and a coulombic efficiency of 95.8% even after 2000 cycles.
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Affiliation(s)
- Tharani Selvam
- Functional Nano-Materials (FuN) Laboratory, Department of Physics and Nanotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | | | - Balakumar Subramanian
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai, Tamil Nadu 600025, India
| | - Ajay Rakkesh Rajendran
- Functional Nano-Materials (FuN) Laboratory, Department of Physics and Nanotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
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Ajay Rakkesh R, Naveen TB, Durgalakshmi D, Balakumar S. Covalent organic frameworks: Pioneering remediation solutions for organic pollutants. CHEMOSPHERE 2024; 346:140655. [PMID: 37949178 DOI: 10.1016/j.chemosphere.2023.140655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/19/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023]
Abstract
Covalent Organic Frameworks (COFs) have emerged as a promising class of crystalline porous materials with customizable structures, high surface areas, and tunable functionalities. Their unique properties make them attractive candidates for addressing environmental contamination caused by pharmaceuticals, pesticides, industrial chemicals, persistent organic pollutants (POPs), and endocrine disruptors (EDCs). This review article provides a comprehensive overview of recent advancements and applications of COFs in removing and remedying various environmental contaminants. We delve into the synthesis, properties, and performance of COFs and their potential limitations and future prospects.
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Affiliation(s)
- R Ajay Rakkesh
- Functional Nano-Materials (FuN) Laboratory, Department of Physics and Nanotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, 603203, TN, India.
| | - T B Naveen
- Functional Nano-Materials (FuN) Laboratory, Department of Physics and Nanotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, 603203, TN, India
| | - D Durgalakshmi
- Department of Medical Physics, Anna University, Chennai, 600 025, TN, India
| | - S Balakumar
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai, 600 025, TN, India
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Tharani S, Rebecca PNB, Durgalakshmi D, Balakumar S, Rakkesh RA. Hydrothermal integration of MoO 2-MoS 2@rGO nanoframe networks: A promising approach for efficient bacterial disinfection in wastewater. CHEMOSPHERE 2023; 343:140273. [PMID: 37758069 DOI: 10.1016/j.chemosphere.2023.140273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 09/10/2023] [Accepted: 09/23/2023] [Indexed: 09/30/2023]
Abstract
The efficient disinfection of bacterial contaminants in wastewater is a critical challenge in the field of environmental remediation. Herein, we present a novel approach for efficient bacterial disinfection using hydrothermally integrated MoO2-MoS2@rGO nanoframe networks. The developed nanoframe networks exhibit a unique architecture comprising of molybdenum dioxide (MoO2) and molybdenum disulfide (MoS2) impregnated on algae biomass reduced graphene oxide (rGO). The as-synthesized nanoframe networks demonstrate exceptional antibacterial activity against Escherichia coli bacteria. The disinfection efficiency was evaluated by measuring the bacterial viability and observing the morphological changes using scanning electron microscopy. The MoO2-MoS2@rGO nanoframe networks exhibited a remarkable antibacterial effect, achieving a high disinfection rate of 95.8% within a short contact time of 10 min. The efficient bacterial disinfection capability of the nanoframe networks can be attributed to the synergistic effects of MoO2, MoS2, and rGO components. The MoO2 nanoparticles generate reactive oxygen species (ROS), persuading oxidative stress and leading to bacterial inactivation. The MoS2 nanoparticles possess inherent antibacterial properties through the release of Mo and S ions. The rGO nanosheets provide a conductive and stable platform, facilitating the charge transfer during the antibacterial process. Furthermore, the hydrothermal integration method enables easy scalability and cost-effectiveness of the MoO2-MoS2@rGO nanoframe networks. The nanoframe networks can be easily recovered and reused, reducing waste generation and promoting sustainability. Overall, this study presents a promising approach for efficient bacterial disinfection in wastewater using hydrothermally integrated MoO2-MoS2@rGO nanoframe networks. The remarkable antibacterial performance, along with the advantages of scalability and reusability, makes these nanoframe networks a potential candidate for practical applications in environmental remediation and water treatment processes.
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Affiliation(s)
- S Tharani
- Functional Nano-Materials (FuN) Laboratory, Department of Physics and Nanotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur - 603203, TN, India
| | - P N Blessy Rebecca
- Functional Nano-Materials (FuN) Laboratory, Department of Physics and Nanotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur - 603203, TN, India
| | - D Durgalakshmi
- Department of Medical Physics, Anna University, Chennai - 600 025, India
| | - S Balakumar
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai - 600 025, India
| | - R Ajay Rakkesh
- Functional Nano-Materials (FuN) Laboratory, Department of Physics and Nanotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur - 603203, TN, India.
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Suganthi S, Vignesh S, Raj V, Manoharadas S, Pandiaraj S, Kim H. Synergistic influence of vanadium pentoxide-coupled graphitic carbon nitride composite for photocatalytic degradation of organic pollutant: Stability and involved Z-scheme mechanism. ENVIRONMENTAL RESEARCH 2023; 231:116288. [PMID: 37263474 DOI: 10.1016/j.envres.2023.116288] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 05/21/2023] [Accepted: 05/30/2023] [Indexed: 06/03/2023]
Abstract
The removal of dyes from wastewater by photocatalytic technologies has received substantial attention in recent years. In the present study, novel Z-scheme V2O5/g-C3N4 photocatalytic composites were organized via simple hydrothermal processes and a sequence of several characterization aspects. The degradation results showed that the optimum Z-scheme GVO2 heterostructure composite photocatalysts (PCs) had a better efficiency (90.1%) and an apparent rate (0.0136 min-1) for the methylene blue (MB) aqueous organic dye degradation, which was about 6.18-fold higher than that of pristine GCN catalyst. Meanwhile, the GVO2 heterostructured PCs showed better recycling stability after five consecutive tests. Moreover, the free radical trapping tests established that •O2- and h+ species were the prime reactive species in the photocatalytic MB degradation process in the heterostructured PCs. The photocatalytic enhanced activity was primarily recognized as the synergistic interfacial construction of the Z-scheme heterojunctions among V2O5 and GCN, which improved the separation/transfer, lower recombination rate, extended visible-light utilization ability, and enhanced reaction rate. Therefore, the existing study affords a simple tactic for the development of a direct Z-scheme for photocatalytic heterojunction nanomaterials for potential environmental remediation applications.
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Affiliation(s)
- Sanjeevamuthu Suganthi
- Advanced Materials Research Laboratory, Department of Chemistry, Periyar University, Salem, 636 011, Tamil Nadu, India.
| | - Shanmugam Vignesh
- School of Materials Science and Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea
| | - Vairamuthu Raj
- Advanced Materials Research Laboratory, Department of Chemistry, Periyar University, Salem, 636 011, Tamil Nadu, India
| | - Salim Manoharadas
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. BOX 2454, Riyadh, Saudi Arabia
| | - Saravanan Pandiaraj
- Department of Self-Development Skills, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Haekyoung Kim
- School of Materials Science and Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
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Li J, Liang H, Li Y, Shi J. Interfacial assembly of photosystem II on nanotubular V2O5/TiO2 for photocurrent generation. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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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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Mohan H, Vadivel S, Lee SW, Lim JM, Lovanh N, Park YJ, Shin T, Seralathan KK, Oh BT. Improved visible-light-driven photocatalytic removal of Bisphenol A using V 2O 5/WO 3 decorated over Zeolite: Degradation mechanism and toxicity. ENVIRONMENTAL RESEARCH 2022; 212:113136. [PMID: 35351453 DOI: 10.1016/j.envres.2022.113136] [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: 01/08/2022] [Revised: 03/01/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
WO3/Zeolite/V2O5 (TZV) composite synthesized through co-precipitation was used for the degradation of Bisphenol-A (BpA). XRD and Raman spectra were employed to ascertain the crystallinity of the composite. The pristine nature of the compound without any free particles over the zeolite surface was established through FESEM, thus, substantiating the composite character of the material. The enhancement in activity after doping with WO3 was ascertained by DRS-UV. Photocatalytic degradation studies clearly established the superiority of TZV 10 over bare V2O5. Complete BpA degradation (100%) was attained at 50 min of incubation with 0.75 g/L TZV-10 in acidic medium (pH 3) for an initial BpA concentration of 100 mg/L. HPLC-MS/MS analysis was used to decipher the degradation pathway. The catalyst was stable even after 9 cycles. Phytotoxicity studies and lake water treatment results proved the environmental efficiency of the synthesized material.
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Affiliation(s)
- Harshavardhan Mohan
- Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, Jeonbuk, 54596, South Korea; Department of Chemistry, College of Natural Sciences, Jeonbuk National University, Jeonju, Jeonbuk, 54930, South Korea
| | - Sethumathavan Vadivel
- Department of Chemistry, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, 602105, India
| | - Se-Won Lee
- Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, Jeonbuk, 54596, South Korea
| | - Jeong-Muk Lim
- Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, Jeonbuk, 54596, South Korea
| | - Nanh Lovanh
- USDA-ARS, AWMRU, 230 Bennett Lane, Bowling Green, KY, 42104, USA
| | - Yool-Jin Park
- Department of Ecology Landscape Architecture-Design, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, Jeonbuk, 54596, South Korea
| | - Taeho Shin
- Department of Chemistry, College of Natural Sciences, Jeonbuk National University, Jeonju, Jeonbuk, 54930, South Korea
| | - Kamala-Kannan Seralathan
- Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, Jeonbuk, 54596, South Korea.
| | - Byung-Taek Oh
- Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, Jeonbuk, 54596, South Korea.
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Sharma D, Faraz M, Kumar D, Takhar D, Birajdar B, Khare N. Visible light activated V2O5/rGO nanocomposite for enhanced photodegradation of methylene blue dye and photoelectrochemical water splitting. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109657] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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10
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New insights into the role of nitrogen-bonding configurations in enhancing the photocatalytic activity of nitrogen-doped graphene aerogels. J Colloid Interface Sci 2019; 534:574-585. [DOI: 10.1016/j.jcis.2018.09.064] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 09/17/2018] [Accepted: 09/18/2018] [Indexed: 11/23/2022]
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Beyond Chemical Bonding Interaction: An Insight into the Growth Process of 1D ZnO on Few-Layer Graphene for Excellent Photocatalytic and Room Temperature Gas Sensing Applications. ChemistrySelect 2018. [DOI: 10.1002/slct.201800987] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Rakkesh RA, Durgalakshmi D, Balakumar S. Graphene based nanoassembly for simultaneous detection and degradation of harmful organic contaminants from aqueous solution. RSC Adv 2016. [DOI: 10.1039/c6ra01784c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Graphene based nanoassemblies that can simultaneously detect and degrade harmful organic contaminants from water are important for conquering the risk of hazardous chemicals.
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Affiliation(s)
- R. Ajay Rakkesh
- National Centre for Nanoscience and Nanotechnology
- University of Madras
- Guindy Campus
- Chennai 600 025
- India
| | - D. Durgalakshmi
- National Centre for Nanoscience and Nanotechnology
- University of Madras
- Guindy Campus
- Chennai 600 025
- India
| | - S. Balakumar
- National Centre for Nanoscience and Nanotechnology
- University of Madras
- Guindy Campus
- Chennai 600 025
- India
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Yang XH, Fu HT, An XZ, Jiang XC, Yu AB. Synthesis of V2O5@TiO2 core–shell hybrid composites for sunlight degradation of methylene blue. RSC Adv 2016. [DOI: 10.1039/c6ra03376h] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We have demonstrated a simple but efficient synthesis route to obtain V2O5@TiO2 core–shell nanostructures under mild conditions (≤100 °C in water).
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Affiliation(s)
- X. H. Yang
- School of Materials and Metallurgy
- Northeastern University
- Shenyang 110819
- China
| | - H. T. Fu
- School of Materials and Metallurgy
- Northeastern University
- Shenyang 110819
- China
| | - X. Z. An
- School of Materials and Metallurgy
- Northeastern University
- Shenyang 110819
- China
| | - X. C. Jiang
- Department of Chemical Engineering
- Monash University
- Clayton
- Australia
| | - A. B. Yu
- Department of Chemical Engineering
- Monash University
- Clayton
- Australia
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Yan B, Zhou P, Xu Q, Zhou X, Xu D, Zhu J. Engineering disorder into exotic electronic 2D TiO2nanosheets for enhanced photocatalytic performance. RSC Adv 2016. [DOI: 10.1039/c5ra24126j] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We successfully prepared exotic electronic 2D TiO2nanosheets and then engineered disorder into them to obtain black TiO2nanosheets.
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Affiliation(s)
- Bo Yan
- College of Materials Science and Engineering
- Zhengzhou University
- Zhengzhou 450052
- China
| | - Pengshang Zhou
- College of Materials Science and Engineering
- Zhengzhou University
- Zhengzhou 450052
- China
| | - Qun Xu
- College of Materials Science and Engineering
- Zhengzhou University
- Zhengzhou 450052
- China
| | - Xiaofang Zhou
- College of Materials Science and Engineering
- Zhengzhou University
- Zhengzhou 450052
- China
| | - Dongdong Xu
- College of Materials Science and Engineering
- Zhengzhou University
- Zhengzhou 450052
- China
| | - Jianhua Zhu
- College of Materials Science and Engineering
- Zhengzhou University
- Zhengzhou 450052
- China
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Shanmugam M, Alsalme A, Alghamdi A, Jayavel R. Enhanced Photocatalytic Performance of the Graphene-V2O5 Nanocomposite in the Degradation of Methylene Blue Dye under Direct Sunlight. ACS APPLIED MATERIALS & INTERFACES 2015; 7:14905-11. [PMID: 26098875 DOI: 10.1021/acsami.5b02715] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
A simple and efficient solution mixing method has been developed for the synthesis of the G-V2O5 nanocomposite. By this method, one-dimensional V2O5 rods are decorated onto the two-dimensional graphene sheets. The synthesized nanocomposites are characterized by XRD, SEM with elemental mapping, TEM, FT-IR, Raman, BET, and XPS analyses. The photocatalytic activity of the G-V2O5 nanocomposite studied with methylene blue dye shows strong degradation efficiency with direct sunlight irradiation compared to UV and visible light sources. The mechanism of methylene blue dye degradation by the G-V2O5 nanocomposite has been elucidated through the kinetics of the degradation process by calculating the rate constant and half-life time of the degradation process.
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Affiliation(s)
- Mahalingam Shanmugam
- †Centre for Nanoscience and Technology, Anna University, Chennai, Tamil Nadu 600 025, India
| | - Ali Alsalme
- ‡Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, Riyadh Province 11451, Saudi Arabia
| | - Abdulaziz Alghamdi
- ‡Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, Riyadh Province 11451, Saudi Arabia
| | - Ramasamy Jayavel
- †Centre for Nanoscience and Technology, Anna University, Chennai, Tamil Nadu 600 025, India
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