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Salehi G, Bagherzadeh M, Abazari R, Hajilo M, Taherinia D. Visible Light-Driven Photocatalytic Degradation of Methylene Blue Dye Using a Highly Efficient Mg-Al LDH@g-C 3N 4@Ag 3PO 4 Nanocomposite. ACS OMEGA 2024; 9:4581-4593. [PMID: 38313520 PMCID: PMC10831848 DOI: 10.1021/acsomega.3c07326] [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: 10/04/2023] [Revised: 12/22/2023] [Accepted: 01/05/2024] [Indexed: 02/06/2024]
Abstract
The issue of water resource pollution resulting from the discharge of dyes is a matter of great concern for the environment. In this investigation, a new ternary heterogeneous Mg-Al LDH@g-C3N4X@Ag3PO4Y (X = wt % of g-C3N4 with respect to Mg-Al layered double hydroxide (LDH) and Y = wt % of Ag3PO4 loaded on Mg-Al LDH@g-C3N430) nanocomposite was prepared with the aim of increasing charge carrier separation and enhancement of photocatalytic performance to degrade methylene blue (MB) dye. The prepared samples were subjected to characterization via Fourier-transform infrared spectroscopy, field emission scanning electron microscopy, energy-dispersive X-ray, transmission electron microscopy, X-ray diffraction, UV-vis diffuse reflectance spectroscopy, photoluminescence, and photoelectrochemical analysis. It was observed that in the presence of the composite of Mg-Al LDH and g-C3N4, the photocatalytic decomposition of MB under 150 W mercury lamp illumination increases significantly as opposed to Mg-Al LDH alone, and the Mg-Al LDH@g-C3N4 level with Ag3PO4 coating causes the complete degradation of MB to occur in less time. The outcomes show that the Mg-Al LDH@g-C3N430@Ag3PO45 nanocomposite demonstrated the highest photodegradation activity (99%). Scavenger tests showed that the two most effective agents in the photodegradation of MB are holes and hydroxyl radicals, respectively. Finally, a type II heterojunction photocatalytic degradation mechanism for MB by Mg-Al LDH@g-C3N430@Ag3PO45 was proposed.
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Affiliation(s)
- Ghazal Salehi
- Chemistry
Department, Sharif University of Technology, P.O. Box 11155-3615, Tehran 19166, Iran
| | - Mojtaba Bagherzadeh
- Chemistry
Department, Sharif University of Technology, P.O. Box 11155-3615, Tehran 19166, Iran
| | - Reza Abazari
- Chemistry
Department, Faculty of Science, University
of Maragheh, Maragheh 83111, Iran
| | - Mojtaba Hajilo
- Chemistry
Department, Sharif University of Technology, P.O. Box 11155-3615, Tehran 19166, Iran
| | - Davood Taherinia
- Chemistry
Department, Sharif University of Technology, P.O. Box 11155-3615, Tehran 19166, Iran
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Ramírez-Hernández M, Cox J, Thomas B, Asefa T. Nanomaterials for Removal of Phenolic Derivatives from Water Systems: Progress and Future Outlooks. Molecules 2023; 28:6568. [PMID: 37764344 PMCID: PMC10535519 DOI: 10.3390/molecules28186568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Environmental pollution remains one of the most challenging problems facing society worldwide. Much of the problem has been caused by human activities and increased usage of various useful chemical agents that inadvertently find their way into the environment. Triclosan (TCS) and related phenolic compounds and derivatives belong to one class of such chemical agents. In this work, we provide a mini review of these emerging pollutants and an outlook on the state-of-the-art in nanostructured adsorbents and photocatalysts, especially nanostructured materials, that are being developed to address the problems associated with these environmental pollutants worldwide. Of note, the unique properties, structures, and compositions of mesoporous nanomaterials for the removal and decontamination of phenolic compounds and derivatives are discussed. These materials have a great ability to scavenge, adsorb, and even photocatalyze the decomposition of these compounds to mitigate/prevent their possible harmful effects on the environment. By designing and synthesizing them using silica and titania, which are easier to produce, effective adsorbents and photocatalysts that can mitigate the problems caused by TCS and its related phenolic derivatives in the environment could be fabricated. These topics, along with the authors' remarks, are also discussed in this review.
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Affiliation(s)
- Maricely Ramírez-Hernández
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, NJ 08854, USA
| | - Jordan Cox
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, NJ 08854, USA
| | - Belvin Thomas
- Department of Chemistry and Chemical Biology, Rutgers, New Brunswick, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, NJ 08854, USA
| | - Tewodros Asefa
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, NJ 08854, USA
- Department of Chemistry and Chemical Biology, Rutgers, New Brunswick, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, NJ 08854, USA
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Liu X, Xu J, Zhang T, Zhang J, Xia D, Du Y, Jiang Y, Lin K. Construction of Ag nanocluster-modified Ag 3PO 4 containing silver vacancies via in-situ reduction: With enhancing the photocatalytic degradation activity of sulfamethoxazole. J Colloid Interface Sci 2023; 629:989-1002. [PMID: 36208611 DOI: 10.1016/j.jcis.2022.09.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 08/31/2022] [Accepted: 09/04/2022] [Indexed: 10/14/2022]
Abstract
Photocatalytic removal of sulfonamide antibiotics is an effective strategy to solve environmental pollution. Ag3PO4 is a promising anode material for photocatalytic material with photocatalytic degradation ability under ultraviolet light or natural light. Unfortunately, due to its instability, Ag+ could be reduced to Ag0 which loaded onto the surface of Ag3PO4 during the photocatalytic process, causing self-photocorrosion and resulting in the reduction of photocatalytic activity and stability. Herein, Ag3PO4 nanoparticles loaded with Ag nanoclusters containing Ag vacancies (Ag/Ag3PO4-VAg) were constructed by an in-situ reduction strategy to achieve effectively photocatalytic degradation behavior. The Ag nanoclusters loaded on the surface of Ag3PO4 can not only effectively inhibit the self-photocorrosion but also affords a localized surface plasmon resonance (LSPR) effect in the photocatalytic process, thus leading to the efficient generation and rapid transfer of photogenerated carriers behavior. In addition, the Ag vacancies in Ag3PO4 are crucial to increasing the adsorption energy of H2O for further enhancing the capture and accumulation of electrons. In detail, according to Zeta potential analysis, the strong adsorption sites of sulfamethoxazole (SMX) molecules are generated at the interface of Ag and Ag3PO4, which promote the activation of SMX molecules. A 100 ml of 20 mg/L SMX could be completely degraded within 15 min with an apparent rate constant (Kapp) of 0.306 min-1, which far exceeds the activity of most of the photocatalysts. This work may provide an attractive strategy to address the activity, stability of Ag3PO4 and and realizing the green remediation of SMX wastewater.
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Affiliation(s)
- Xing Liu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, PR China
| | - Jia Xu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, PR China
| | - Tingting Zhang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, PR China
| | - Jian Zhang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, PR China
| | - Debin Xia
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, PR China
| | - Yunchen Du
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, PR China
| | - Yanqiu Jiang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, PR China.
| | - Kaifeng Lin
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, PR China.
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4
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Moreno YP, de Escobar CC, Skovroinski E, Weibel DE, dos Santos JH. TiO2/SiO2 dopant-free nanophotocatalysts for highly efficient photocatalytic water splitting: Challenging traditional TiO2-based systems. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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5
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Maniyazagan M, Naveenkumar P, Yang HW, Zuhaib H, Seung Kang W, Kim SJ. Hierarchical SiO2@FeCo2O4 core–shell nanoparticles for catalytic reduction of 4-nitrophenol and degradation of methylene blue. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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6
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Nayak R, Ashraf Ali F, G R Achary P, Nanda B. Effective Degradation of Ciprofloxacin and Cr (VI) by Surface Plasmon Resonance induced photocatalyst Ag (0)/BiVO4@SiO2: Performance and Mechanism. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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7
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Altuner EE, El Houda Tiri RN, Aygun A, Gulbagca F, Sen F, Iranbakhsh A, Karimi F, Vasseghian Y, Dragoi EN. Hydrogen production and photocatalytic activities from NaBH4 using trimetallic biogenic PdPtCo nanoparticles: Development of machine learning model. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.05.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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8
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Mbrouk OA, Fawzy M, El‐Shafey HM, Saif M, Hafez H, Abdel Mottaleb MSA. Green Synthesized Plasmonic Pd‐ZnO Nanomaterials for Visible Light‐induced Photobiogas Production from Industrial Wastewater. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6807] [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)
- Omar A. Mbrouk
- Nano‐Photochemistry and its Environmental Applications Laboratory Environmental Studies and Research Institute (ESRI), University of Sadat City (USC) Sadat City Menofia Egypt
| | - M. Fawzy
- Nano‐Photochemistry and its Environmental Applications Laboratory Environmental Studies and Research Institute (ESRI), University of Sadat City (USC) Sadat City Menofia Egypt
| | - H. M. El‐Shafey
- Nano‐Photochemistry and its Environmental Applications Laboratory Environmental Studies and Research Institute (ESRI), University of Sadat City (USC) Sadat City Menofia Egypt
| | - M. Saif
- Chemistry Department, Faculty of Education Ain Shams University Cairo Egypt
| | - H. Hafez
- Nano‐Photochemistry and its Environmental Applications Laboratory Environmental Studies and Research Institute (ESRI), University of Sadat City (USC) Sadat City Menofia Egypt
| | - M. S. A. Abdel Mottaleb
- Nano‐Photochemistry and Solar Chemistry Laboratories, Department of Chemistry, Faculty of Science Ain Shams University Cairo Egypt
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10
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Improving hydrogen generation from dehydrogenation of dimethylamine borane using polyvinylpyrrolidone stabilized platinum-rhodium nanoclusters as highly efficient and reusable catalysts: Development of ANN model. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.04.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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11
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Babu P, Kim H, Park JY, Naik B. Trioctylphosphine Oxide (TOPO)-Assisted Facile Fabrication of Phosphorus-Incorporated Nanostructured Carbon Nitride Toward Photoelectrochemical Water Splitting with Enhanced Activity. Inorg Chem 2022; 61:1368-1376. [PMID: 34990141 DOI: 10.1021/acs.inorgchem.1c02863] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Designing nanostructured arrays of two-dimensional surfaces and interfaces is a versatile approach to increasing their photoelectrochemical activity. Here, phosphorus (P)-incorporated nanostructured carbon nitride (h-PCN) with an enlarged surface area is fabricated by employing trioctylphosphine oxide (TOPO) as a dopant precursor for visible-light-driven photoelectrochemical water splitting to produce hydrogen. The structural, morphological, and electronic properties of the photocatalyst have been characterized through various physicochemical techniques. We show that the incorporation of P into the g-C3N4 framework enhances light absorption over broad regimes, charge separation, and migration, as well as the specific surface area, showing excellent photocurrent enhancement (5.4 folds) in the cathodic direction as compared to bulk g-C3N4. Moreover, the photocathode shows 3.3-fold enhancement in current at zero biased potential. Without using any cocatalyst, the photoelectrodes produced 27 μmol h-1 of H2 and 13 μmol h-1of O2 with 95% faradic efficiency. The excellent photoelectrochemical behavior toward water-splitting reactions by the photoelectrode is attributed to the synergistic effect of P incorporation and active sites emerging from the nanostructured architecture of the material. This work demonstrates the facile fabrication of nanostructured P-incorporated g-C3N4 toward water-splitting reactions to produce hydrogen without using a cocatalyst in a simple and cost-effective way.
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Affiliation(s)
- Pradeepta Babu
- Centre for Nanoscience and Nanotechnology, Siksha "O" Anusandhan, Bhubaneswar 751030, India
| | - Heeyoung Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea.,Center for Nanomterials and Chemical Reactions, Insitute for Basic Science (IBS), Daejeon 34141, South Korea
| | - Jeong Young Park
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea.,Center for Nanomterials and Chemical Reactions, Insitute for Basic Science (IBS), Daejeon 34141, South Korea
| | - Brundabana Naik
- Department of Chemistry, Siksha "O" Anusandhan, Bhubaneswar 751030, India
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12
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Li MR, Jin Y, Chen H, Jing RR, Zhao N, Lian ZX. The hybridizaiton of iodoplumbate with xanthene dye: white emission and high photocurrent response driven by strong organic/inorganic interactions. INORG NANO-MET CHEM 2022. [DOI: 10.1080/24701556.2021.2025104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Meng-Ru Li
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, China
| | - Yue Jin
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, China
| | - Hao Chen
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, China
| | - Rui-Rui Jing
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, China
| | - Ning Zhao
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, China
| | - Zhao-Xun Lian
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, China
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13
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Recent advances on silver-based photocatalysis: Photocorrosion inhibition, visible-light responsivity enhancement, and charges separation acceleration. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120194] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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14
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Babu P, Dash SR, Behera A, Vijayaraghavan T, Ashok A, Parida K. Prominence of Cu in a plasmonic Cu-Ag alloy decorated SiO 2@S-doped C 3N 4 core-shell nanostructured photocatalyst towards enhanced visible light activity. NANOSCALE ADVANCES 2021; 4:150-162. [PMID: 36132949 PMCID: PMC9418918 DOI: 10.1039/d1na00633a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 10/17/2021] [Indexed: 05/20/2023]
Abstract
A series of Cu-Ag bimetal alloys decorated on SiO2 and the fabrication of few-layer S-doped graphitic carbon nitride (SC) warped over it to form a core-shell nanostructured morphology have been demonstrated and well characterized through various physiochemical techniques. HRTEM data confirmed the formation of a compact nanojunction between the SiO2 and SC, where Cu-Ag is embedded uniformly with an average particle size of 1.3 nm. The Ag : Cu (1 : 3) between SiO2 and SC produces 1730 μmol h-1 g-1 of H2 under visible light illumination. Moreover, 6.2-fold current enhancement in the case of Ag : Cu (1 : 3) as compared to the Ag-loaded core-shell nanostructured photocatalyst indicates higher electron-hole-pair separation. The excellent activity was due to the synergistic alloying and plasmonic effect of Ag and Cu. DFT studies reveal that the Cu atom in the Cu-Ag bimetal alloy plays a pivotal role in the generation of H2, and the reaction proceeds via a 4-membered transition state. The mechanistic insight proceeds from the generation of hot electrons due to the LSPR effect and their transfer to the SC layer via a compact nanojunction.
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Affiliation(s)
- Pradeepta Babu
- Centre for Nanoscience and Nanotechnology (CNSNT), Siksha 'O' Anusandhan Bhubaneswar 751030 India
| | - Soumya Ranjan Dash
- Physical and Material Chemistry Division, CSIR-NCL Pune Dr Homi Bhabha Road Pune 411008 India
| | - Arjun Behera
- Centre for Nanoscience and Nanotechnology (CNSNT), Siksha 'O' Anusandhan Bhubaneswar 751030 India
| | - T Vijayaraghavan
- Functional Materials Laboratory, PSG Institute of Advanced Studies Coimbatore 641004 India
| | - Anuradha Ashok
- Functional Materials Laboratory, PSG Institute of Advanced Studies Coimbatore 641004 India
| | - Kulamani Parida
- Centre for Nanoscience and Nanotechnology (CNSNT), Siksha 'O' Anusandhan Bhubaneswar 751030 India
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15
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Chen X, Zhang L, Xu B, Chen T, Hu L, Yao W, Zhou M, Xu H. Hairy silica nanosphere supported metal nanoparticles for reductive degradation of dye pollutants. NANOSCALE ADVANCES 2021; 3:2879-2886. [PMID: 36134192 PMCID: PMC9419623 DOI: 10.1039/d1na00020a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 03/21/2021] [Indexed: 05/03/2023]
Abstract
Hairy materials can act as a sort of scaffold for the fabrication of functional hybrid composites. In this work, silica nanospheres modified with covalently grafted poly(4-vinylpyridine) (P4VP) brushes, namely, "hairy" silica spheres, were utilized as a support for the anchorage of metal nanoparticles (MNPs), thus resulting in the hierarchical SiO2@P4VP/MNP structure. In this triple-phase boundary heteronanostructure, the SiO2-supported MNPs are well stabilized by the P4VP matrix to avoid aggregation and leaching. These SiO2@P4VP/MNP nanocomposites exhibit good catalytic activity in the reductive degradation of organic dyes, i.e., 4-nitrophenol and rhodamine B and possess excellent stability and recyclability for five successive cycles.
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Affiliation(s)
- Xin Chen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Li Zhang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Bin Xu
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of the People's Republic of China Nanjing 210042 China
| | - Tingting Chen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Lianhong Hu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Wei Yao
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Mengxiang Zhou
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Hui Xu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
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Hasija V, Raizada P, Hosseini‐Bandegharaei A, Thakur VK, Van Le Q, Nguyen V, Singh P. A Strategy to Develop Efficient Ag
3
PO
4
‐based Photocatalytic Materials Toward Water Splitting: Perspectives and Challenges. ChemCatChem 2021. [DOI: 10.1002/cctc.202100135] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Vasudha Hasija
- School of Advanced Chemical Sciences Shoolini University Solan (HP) 173229 India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences Shoolini University Solan (HP) 173229 India
| | - Ahmad Hosseini‐Bandegharaei
- Department of Environmental Health Engineering Faculty of Health Sabzevar University of Medical Sciences Sabzevar Iran
- Department of Engineering Kashmar Branch Islamic Azad University PO Box 161 Kashmar Iran
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Centre Scotland's Rural College (SRUC) Edinburgh United Kingdom
| | - Quyet Van Le
- Institute of Research and Development Duy Tan University Da Nang 550000 Vietnam
| | - Van‐Huy Nguyen
- Faculty of Biotechnology Binh Duong University Thu Dau Mot Vietnam
| | - Pardeep Singh
- School of Advanced Chemical Sciences Shoolini University Solan (HP) 173229 India
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17
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Behera A, Babu P, Parida K. Growth of macroporous TiO2 on B-doped g-C3N4 nanosheets: a Z-scheme photocatalyst for H2O2 production and phenol oxidation under visible light. Inorg Chem Front 2021. [DOI: 10.1039/d0qi01327g] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BCN/TiO2 heterostructured photocatalyst was demonstrated towards H2O2 production and phenol oxidation under visible light, based on Z-scheme and p–n heterojunction mechanism.
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Affiliation(s)
- Arjun Behera
- Centre for Nanoscience and Nanotechnology
- Siksha ‘O′ Anusandhan
- Bhubaneswar 751030
- India
| | - Pradeepta Babu
- Centre for Nanoscience and Nanotechnology
- Siksha ‘O′ Anusandhan
- Bhubaneswar 751030
- India
| | - Kulamani Parida
- Centre for Nanoscience and Nanotechnology
- Siksha ‘O′ Anusandhan
- Bhubaneswar 751030
- India
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18
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Babu P, Naik B. Cu-Ag Bimetal Alloy Decorated SiO 2@TiO 2 Hybrid Photocatalyst for Enhanced H 2 Evolution and Phenol Oxidation under Visible Light. Inorg Chem 2020; 59:10824-10834. [PMID: 32692542 DOI: 10.1021/acs.inorgchem.0c01325] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
With a broader objective to replace visible light driven Pt-based photoelectrochemical/catalytic hydrogen evolution, a series of cost-effective bimetallic nanoalloys of Cu-Ag have been deposited on core-shell nanostructured SiO2@TiO2 through a facile reduction route. The physicochemical properties, i.e. crystal structure, morphology, chemical environment, and optical properties of Cu-Ag bimetal alloy decorated SiO2@TiO2 hybrid photocatalyst, have been thoroughly investigated through X-ray diffraction, high resolution transmission electron microscopy, field emission scanning electron microscopy, X-ray photoelectron spectroscopy, UV-vis diffuse reflectance spectroscopy, and photoluminescence spectroscopy, respectively. TEM study confirms the coating of an ultrathin layer of TiO2 shell on 100 nm sized SiO2 core, and about 4.5 nm of Ag-Cu nanoalloys are uniformly distributed on the core-shell nanostructure. The higher light absorption throughout the visible range and better separation of charge carrier by Ag-Cu (1:3) deposited SiO2@TiO2 hybrid compared to other counterparts is confirmed from UV-vis, diffuse reflectance spectroscopy, photoluminescence, and electrochemical impedance studies. Eightfold higher photocurrent enhancements, threefold enhanced photocatalytic hydrogen generation, and twofold higher phenol oxidation activities of Ag-Cu (1:3) deposited SiO2@TiO2 hybrid compared to those of the monometallic plasmonic catalyst may be attributed to the synergetic effect of enriched light harvesting and surface plasmon induced hot electron transfer from the nanoalloy to the TiO2 interface, resulting in efficient charge transfer.
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Affiliation(s)
- Pradeepta Babu
- Center for Nanoscience and Nanotechnology, Siksha 'O' Anusandhan, Bhubaneswar 751030, India
| | - Brundabana Naik
- Department of Chemistry, Siksha 'O' Anusandhan, Bhubaneswar 751030, India
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19
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Alptekin O, Sen B, Savk A, Ercetin U, Mustafov SD, Fellah MF, Sen F. Use of silica-based homogeneously distributed gold nickel nanohybrid as a stable nanocatalyst for the hydrogen production from the dimethylamine borane. Sci Rep 2020; 10:7215. [PMID: 32350322 PMCID: PMC7190821 DOI: 10.1038/s41598-020-64221-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 04/12/2020] [Indexed: 12/15/2022] Open
Abstract
In this study, the effects of silica-based gold-nickel (AuNi@SiO2) nanohybrid to the production of hydrogen from dimethylamine borane (DMAB) were investigated. AuNi@SiO2 nanohybrid constructs were prepared as nanocatalysts for the dimethylamine borane dehydrogenation. The prepared nanohybrid structures were exhibited high catalytic activity and a stable form. The resulting nanohybrid, AuNi@SiO2 as a nanocatalyst, was tested in the hydrogen evolution from DMAB at room temperature. The synthesized nanohybrids were characterized using some analytical techniques. According to the results of the characterization, it was observed that the catalyst was in nanoscale and the gold-nickel alloys showed a homogenous distribution on the SiO2 surface. After characterization, the turn over frequency (TOF) of nanohybrid prepared for the production of hydrogen from dimethylamine was calculated (546.9 h-1). Also, the prepared nanohybrid can be used non-observed a significant decrease in activity even after the fifth use, in the same reaction. In addition, the activation energy (Ea) of the reaction of DMAB catalyzed AuNi@SiO2 nanohybrid was found to be 16.653 ± 1 kJmol-1 that facilitated the catalytic reaction. Furthermore, DFT-B3LYP calculations were used on the AuNi@SiO2 cluster to investigate catalyst activity. Computational results based on DFT obtained in the theoretical part of the study support the experimental data.
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Affiliation(s)
- Oznur Alptekin
- Department of Mechanical Engineering, Faculty of Engineering, Dumlupınar University, Evliya Çelebi Campus, 43100, Kütahya, Turkey
| | - Betul Sen
- Sen Research Group, Department of Biochemistry, Faculty of Art and Science, Dumlupınar University, Evliya Çelebi Campus, 43100, Kütahya, Turkey
| | - Aysun Savk
- Sen Research Group, Department of Biochemistry, Faculty of Art and Science, Dumlupınar University, Evliya Çelebi Campus, 43100, Kütahya, Turkey
| | - Umran Ercetin
- Department of Mechanical Engineering, Faculty of Engineering, Dumlupınar University, Evliya Çelebi Campus, 43100, Kütahya, Turkey.
| | - Sibel Demiroglu Mustafov
- Sen Research Group, Department of Biochemistry, Faculty of Art and Science, Dumlupınar University, Evliya Çelebi Campus, 43100, Kütahya, Turkey
| | - Mehmet Ferdi Fellah
- Department of Chemical Engineering, Bursa Technical University, Mimar Sinan Campus, 16310, Bursa, Turkey
| | - Fatih Sen
- Sen Research Group, Department of Biochemistry, Faculty of Art and Science, Dumlupınar University, Evliya Çelebi Campus, 43100, Kütahya, Turkey.
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The effect of Ag nanoparticles on physical and photocatalytic properties of ZnFe2O4/SiO2 nanocomposite. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.127706] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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21
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Babu P, Mohanty S, Naik B, Parida K. Serendipitous Assembly of Mixed Phase BiVO4 on B-Doped g-C3N4: An Appropriate p–n Heterojunction for Photocatalytic O2 evolution and Cr(VI) reduction. Inorg Chem 2019; 58:12480-12491. [DOI: 10.1021/acs.inorgchem.9b02309] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Pradeepta Babu
- Centre for Nanoscience and Nanotechnology, Siksha ‘O’ Anusandhan, Bhubaneswar 751030, India
| | - Satyaranjan Mohanty
- Centre for Nanoscience and Nanotechnology, Siksha ‘O’ Anusandhan, Bhubaneswar 751030, India
| | - Brundabana Naik
- Centre for Nanoscience and Nanotechnology, Siksha ‘O’ Anusandhan, Bhubaneswar 751030, India
| | - Kulamani Parida
- Centre for Nanoscience and Nanotechnology, Siksha ‘O’ Anusandhan, Bhubaneswar 751030, India
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