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Askari N, Jamalzadeh M, Askari A, Liu N, Samali B, Sillanpaa M, Sheppard L, Li H, Dewil R. Unveiling the photocatalytic marvels: Recent advances in solar heterojunctions for environmental remediation and energy harvesting. J Environ Sci (China) 2025; 148:283-297. [PMID: 39095165 DOI: 10.1016/j.jes.2024.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 01/03/2024] [Accepted: 01/03/2024] [Indexed: 08/04/2024]
Abstract
In the quest for effective solutions to address Environ. Pollut. and meet the escalating energy demands, heterojunction photocatalysts have emerged as a captivating and versatile technology. These photocatalysts have garnered significant interest due to their wide-ranging applications, including wastewater treatment, air purification, CO2 capture, and hydrogen generation via water splitting. This technique harnesses the power of semiconductors, which are activated under light illumination, providing the necessary energy for catalytic reactions. With visible light constituting a substantial portion (46%) of the solar spectrum, the development of visible-light-driven semiconductors has become imperative. Heterojunction photocatalysts offer a promising strategy to overcome the limitations associated with activating semiconductors under visible light. In this comprehensive review, we present the recent advancements in the field of photocatalytic degradation of contaminants across diverse media, as well as the remarkable progress made in renewable energy production. Moreover, we delve into the crucial role played by various operating parameters in influencing the photocatalytic performance of heterojunction systems. Finally, we address emerging challenges and propose novel perspectives to provide valuable insights for future advancements in this dynamic research domain. By unraveling the potential of heterojunction photocatalysts, this review contributes to the broader understanding of their applications and paves the way for exciting avenues of exploration and innovation.
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Affiliation(s)
- Najmeh Askari
- Department of Chemical Engineering, Process and Environmental Technology Lab, KU Leuven, De Nayerlaan 5 Sint-Katelijne-Waver, 2860, Belgium.
| | | | - Aghil Askari
- Department of Mechanical Engineering, UMass Lowell, Lowell, MA 01851, USA
| | - Naiyun Liu
- Department of Chemical Engineering, Process and Environmental Technology Lab, KU Leuven, De Nayerlaan 5 Sint-Katelijne-Waver, 2860, Belgium; Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu, 212013, China.
| | - Bijan Samali
- Centre for Infrastructure Engineering, Western Sydney University, Penrith NSW, 2751, Australia
| | - Mika Sillanpaa
- Department of Biological and Chemical Engineering, Aarhus University, Gustav Wieds Vej 10, 8000 Aarhus, Denmark
| | - Leigh Sheppard
- Solar Energy Technologies Research Group, Western Sydney University, Penrith NSW, 2751, Australia
| | - Haitao Li
- Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu, 212013, China.
| | - Raf Dewil
- Department of Chemical Engineering, Process and Environmental Technology Lab, KU Leuven, De Nayerlaan 5 Sint-Katelijne-Waver, 2860, Belgium; Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, United Kingdom.
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2
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Zhao H, Sun J, Kumar S, Li P, Thalluri SM, Wang ZM, Thumu U. Recent advances in metal halide perovskite based photocatalysts for artificial photosynthesis and organic transformations. Chem Commun (Camb) 2024; 60:5890-5911. [PMID: 38775203 DOI: 10.1039/d4cc01949k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Metal halide perovskites (MHP) emerged as highly promising materials for photocatalysis, offering significant advancements in the degradation of soluble and airborne pollutants, as well as the transformation of functional organic compounds. This comprehensive review focuses on recent developments in MHP-based photocatalysts, specifically examining two major categories: lead-based (such as CsPbBr3) and lead-free variants (e.g. Cs2AgBiX6, Cs3Bi2Br9 and others). While the review briefly discusses the contributions of MHPs to hydrogen (H2) production and carbon dioxide (CO2) reduction, the main emphasis is on the design principles that determine the effectiveness of perovskites in facilitating organic reactions and degrading hazardous chemicals through oxidative transformations. Furthermore, the review addresses the key factors that influence the catalytic efficiency of perovskites, including charge recombination, reaction mechanisms involving free radicals, hydroxyl ions, and other ions, as well as phase transformation and solvent compatibility. By offering a comprehensive overview, this review aims to serve as a guide for the design of MHP-based photocatalysis and shed light on the common challenges faced by the scientific community in the domain of organic transformations.
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Affiliation(s)
- Hairong Zhao
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, China.
| | - Jiachen Sun
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, China.
| | - Sonu Kumar
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, China.
| | - Peihang Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, China.
| | | | - Zhiming M Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, China.
| | - Udayabhaskararao Thumu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, China.
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Iqbal A, Iftikhar M, Awais M, Bilal A, Javaria, Aslam S, Mirza M, Safdar M. The facile synthesis of and light-driven water splitting on a hetero-metallic bismuth oxide catalyst. Dalton Trans 2023; 53:196-205. [PMID: 38019275 DOI: 10.1039/d3dt03053a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
The process of water photo-electrolysis possesses the capability to generate sustainable and renewable hydrogen fuels, consequently addressing the challenge of the irregularity of solar energy. Thus, developing highly-efficient and low-cost electrocatalysts for the use in contemporary renewable energy devices is critical. Herein, we report the fabrication of a novel BaCeFex-yBixO6 nanocrystalline material through a one-step solvothermal route using a post-annealing process at 500 °C. The synthesized material was investigated for its light-induced electrochemical HER and OER activities in alkaline media and the results revealed that the as-prepared BaCeFex-yBixO6-500 °C exhibited an excellent OER activity with an overpotential of 100 mV to achieve a current density of 10 mA cm-2, thus outperforming the IrO2 electrocatalyst. Besides its excellent water oxidation performance, the catalyst also demonstrated an admirable HER activity comparable to that of the Pt/C catalyst, indicating that the higher temperature treatment plays a significant role in achieving the maximum performance of the developed electrocatalyst. This work provides insights into the enhancement of light-induced OER and HER activities of bismuth oxides for a wide range of catalytic applications.
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Affiliation(s)
- Arshia Iqbal
- Institute of Chemistry, Khwaja Fareed UEIT, Rahim Yar Khan, Pakistan.
| | - Mehak Iftikhar
- Institute of Chemistry, Khwaja Fareed UEIT, Rahim Yar Khan, Pakistan.
| | - Muhammad Awais
- Institute of Chemistry, Khwaja Fareed UEIT, Rahim Yar Khan, Pakistan.
| | - Anas Bilal
- Institute of Chemistry, Khwaja Fareed UEIT, Rahim Yar Khan, Pakistan.
| | - Javaria
- Institute of Chemistry, Khwaja Fareed UEIT, Rahim Yar Khan, Pakistan.
| | - Sidra Aslam
- Institute of Chemistry, Khwaja Fareed UEIT, Rahim Yar Khan, Pakistan.
| | | | - Muhammad Safdar
- Institute of Chemistry, Khwaja Fareed UEIT, Rahim Yar Khan, Pakistan.
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Nandigana P, Pari S, Sujatha D, Shidhin M, Jeyabharathi C, Panda SK. Lead‐Free Bismuth‐Based Halide Perovskites with Excellent Stability for Visible‐light‐Driven Photoelectrochemical Water Splitting. ChemistrySelect 2023. [DOI: 10.1002/slct.202204731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Pardhasaradhi Nandigana
- EMF Division CSIR - Central Electrochemical Research Institute Karaikudi Tamil Nadu 630003 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Sriram Pari
- EMF Division CSIR - Central Electrochemical Research Institute Karaikudi Tamil Nadu 630003 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - D. Sujatha
- EMF Division CSIR - Central Electrochemical Research Institute Karaikudi Tamil Nadu 630003 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - M. Shidhin
- EMF Division CSIR - Central Electrochemical Research Institute Karaikudi Tamil Nadu 630003 India
| | - C. Jeyabharathi
- EMF Division CSIR - Central Electrochemical Research Institute Karaikudi Tamil Nadu 630003 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Subhendu K. Panda
- EMF Division CSIR - Central Electrochemical Research Institute Karaikudi Tamil Nadu 630003 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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Effect of Sr-Doping on the Photocatalytic Performance of LaNiO3−σ. Catalysts 2022. [DOI: 10.3390/catal12111434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In this study, to investigate how oxygen vacancy impacts the photocatalytic performance of LaNiO3, undoped and Sr-doped LaNiO3−σ nanoparticles are successfully prepared by the sol-gel method. The X-ray diffractometer (XRD) results show both two samples belong to the R-3c space group of the rhombohedral system. According to the conservation of valence and the X-ray photoelectron spectroscopy (XPS) results, it is demonstrated that Sr-doping can introduce more oxygen vacancy into LaNiO3−σ. According to photocatalytic experiments of the degradation of methyl orange (MO) solution, La0.875Sr0.125NiO3−σ shows higher photocatalytic performance than undoped LaNiO3−σ. First-principle calculation results show that the introduction of oxygen vacancy and Sr-doping can lead to the narrowing of the band gap width of LaNiO3.
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Kulhary D, Singh S. Design of g‐C
3
N
4
/BaBiO
3
Heterojunction Nanocomposites for Photodegradation of an Organic Dye and Diclofenac Sodium under Visible Light via Interfacial Charge Transfer. ChemistrySelect 2022. [DOI: 10.1002/slct.202201964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Dinesh Kulhary
- Special Center for Nanoscience Jawaharlal Nehru University New Delhi 110067 India
| | - Satyendra Singh
- Special Center for Nanoscience Jawaharlal Nehru University New Delhi 110067 India
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Zhang X, Yu R, Wang D, Li W, Zhang Y. Green Photocatalysis of Organic Pollutants by Bimetallic Zn-Zr Metal-Organic Framework Catalyst. Front Chem 2022; 10:918941. [PMID: 35646822 PMCID: PMC9130571 DOI: 10.3389/fchem.2022.918941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 04/25/2022] [Indexed: 11/13/2022] Open
Abstract
A series of bimetallic Zn-Zr metal-organic frameworks (Zn-Zr MOFs) with different Zn:Zr molar ratios has been synthesized via a green hydrothermal method. The structures and morphologies of these photocatalysts have been characterized and analyzed by FTIR, XRD, SEM, and nitrogen adsorption-desorption. The prepared Zn-Zr MOFs had large specific surface areas and pore volumes, favoring the adsorption of pollutant molecules, which in turn led to an improved photocatalytic effect. The photocatalytic activities of the Zn-Zr MOFs under visible light irradiation have been studied towards rhodamine B (RhB) as a target pollutant. The extent of degradation of RhB in a 40 mg/L aqueous solution reached 97.4%. The optimal photocatalyst could also degrade other dyes, suggesting a certain degree of universality.
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Affiliation(s)
- Xiaojuan Zhang
- School of Chemistry and Chemical Engineering, Anshun University, Anshun, China
- University Rural Revitalization Research Center in Guizhou, Anshun, China
- Engineering Technology Center of Control and Remediation of Soil Contamination of Guizhou Science and Technology Department, Anshun, China
| | - Rongfei Yu
- School of Chemistry and Chemical Engineering, Anshun University, Anshun, China
| | - Dandan Wang
- School of Chemistry and Chemical Engineering, Anshun University, Anshun, China
| | - Weihua Li
- University Rural Revitalization Research Center in Guizhou, Anshun, China
- Engineering Technology Center of Control and Remediation of Soil Contamination of Guizhou Science and Technology Department, Anshun, China
| | - Yutao Zhang
- School of Chemistry and Chemical Engineering, Anshun University, Anshun, China
- University Rural Revitalization Research Center in Guizhou, Anshun, China
- Engineering Technology Center of Control and Remediation of Soil Contamination of Guizhou Science and Technology Department, Anshun, China
- *Correspondence: Yutao Zhang,
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Huerta-Flores AM, Usiobo OJ, Audinot JN, Heyberger R, Choquet P, Boscher ND. Low Temperature Open-Air Plasma Deposition of SrTiO 3 Films for Solar Energy Harvesting: Impact of Precursors on the Properties and Performances. ACS APPLIED MATERIALS & INTERFACES 2022; 14:8527-8536. [PMID: 35108489 DOI: 10.1021/acsami.1c20792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Strontium titanate (STO) is a well-known oxide used in a wide variety of applications due to its excellent stability and optoelectronic properties. However, its integration in photoelectrocatalytic devices is limited by the lack of fast and scalable methods to produce robust films at a low temperature and atmospheric pressure. Herein, we report an atmospheric pressure plasma-enhanced chemical vapor deposition (AP-PECVD) approach for the synthesis of STO crystalline films and their applications for photoelectrochemical solar energy conversion. The film crystallinity, which plays a determinant role in the photoelectrochemical performance, was linked to the selected strontium precursor and injection method. Through thermal stability studies of the precursors [Sr(dpm), Sr(ipo), Sr(acac), and Ti(ipo)] and analysis of the solution droplet size, it was demonstrated that the closer thermal decomposition behavior and superior miscibility of the Sr(dpm) and Ti(ipo) precursors led to more homogeneous and crystalline films with the highest photoelectrochemical performance (16.5 μA cm-2 at 1.23 V vs RHE under 100 mW cm-2), which can be further improved by a factor of 3.4 using thermal annealing at 500 °C. Evidence of the impact of a strontium precursor on the properties of STO films is provided through thermogravimetric analysis, X-ray diffraction, energy-dispersive system, UV-vis, X-ray photoelectron spectroscopy, HIM-SIMS, and photoelectrochemical analysis.
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Affiliation(s)
- Ali Margot Huerta-Flores
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hauts-Fourneaux, L-4362 Esch-sur-Alzette, Luxembourg
| | - Onovbaramwen Jennifer Usiobo
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hauts-Fourneaux, L-4362 Esch-sur-Alzette, Luxembourg
| | - Jean-Nicolas Audinot
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hauts-Fourneaux, L-4362 Esch-sur-Alzette, Luxembourg
| | - Régis Heyberger
- Molecular Plasma Group, Rue du Commerce, L-3895 Foetz, Luxembourg
| | - Patrick Choquet
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hauts-Fourneaux, L-4362 Esch-sur-Alzette, Luxembourg
| | - Nicolas D Boscher
- Materials Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hauts-Fourneaux, L-4362 Esch-sur-Alzette, Luxembourg
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Fung CM, Er CC, Tan LL, Mohamed AR, Chai SP. Red Phosphorus: An Up-and-Coming Photocatalyst on the Horizon for Sustainable Energy Development and Environmental Remediation. Chem Rev 2021; 122:3879-3965. [PMID: 34968051 DOI: 10.1021/acs.chemrev.1c00068] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Photocatalysis is a perennial solution that promises to resolve deep-rooted challenges related to environmental pollution and energy deficit through harvesting the inexhaustible and renewable solar energy. To date, a cornucopia of photocatalytic materials has been investigated with the research wave presently steered by the development of novel, affordable, and effective metal-free semiconductors with fascinating physicochemical and semiconducting characteristics. Coincidentally, the recently emerged red phosphorus (RP) semiconductor finds itself fitting perfectly into this category ascribed to its earth abundant, low-cost, and metal-free nature. More notably, the renowned red allotrope of the phosphorus family is spectacularly bestowed with strengthened optical absorption features, propitious electronic band configuration, and ease of functionalization and modification as well as high stability. Comprehensively detailing RP's roles and implications in photocatalysis, this review article will first include information on different RP allotropes and their chemical structures, followed by the meticulous scrutiny of their physicochemical and semiconducting properties such as electronic band structure, optical absorption features, and charge carrier dynamics. Besides that, state-of-the-art synthesis strategies for developing various RP allotropes and RP-based photocatalytic systems will also be outlined. In addition, modification or functionalization of RP with other semiconductors for promoting effective photocatalytic applications will be discussed to assess its versatility and feasibility as a high-performing photocatalytic system. Lastly, the challenges facing RP photocatalysts and future research directions will be included to propel the feasible development of RP-based systems with considerably augmented photocatalytic efficiency. This review article aspires to facilitate the rational development of multifunctional RP-based photocatalytic systems by widening the cognizance of rational engineering as well as to fine-tune the electronic, optical, and charge carrier properties of RP.
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Affiliation(s)
- Cheng-May Fung
- Multidisciplinary Platform of Advanced Engineering, Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, Bandar Sunway, Selangor 47500, Malaysia
| | - Chen-Chen Er
- Multidisciplinary Platform of Advanced Engineering, Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, Bandar Sunway, Selangor 47500, Malaysia
| | - Lling-Lling Tan
- Multidisciplinary Platform of Advanced Engineering, Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, Bandar Sunway, Selangor 47500, Malaysia
| | - Abdul Rahman Mohamed
- School of Chemical Engineering, Universiti Sains Malaysia, Engineering Campus, Seri Ampangan, Nibong Tebal, Pulau Pinang 14300, Malaysia
| | - Siang-Piao Chai
- Multidisciplinary Platform of Advanced Engineering, Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, Bandar Sunway, Selangor 47500, Malaysia
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Shtarev DS, Shtareva AV, Kevorkyants R, Molokeev MS, Serpone N. Revisiting the BaBiO 3 semiconductor photocatalyst: synthesis, characterization, electronic structure, and photocatalytic activity. Photochem Photobiol Sci 2021; 20:1147-1160. [PMID: 34403131 DOI: 10.1007/s43630-021-00086-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 08/02/2021] [Indexed: 11/24/2022]
Abstract
This article revisits the properties of BaBiO3 examined extensively in the last two decades because of its electronic properties as a superconductor and as a semiconductor photocatalyst. Solid-state syntheses of this bismuthate have often involved BaCO3 as the barium source, which may lead to the formation of BaBiO3/BaCO3 heterostructures that could have an impact on the electronic properties and, more importantly, on the photocatalytic activity of this bismuthate. Accordingly, we synthesized BaBiO3 by a solid-state route to avoid the use of a carbonate; it was characterized by XRD, SEM, and EDX, while elemental mapping characterized the composition and the morphology of the crystalline BaBiO3 and its thin films with respect to structure, optoelectronic, and photocatalytic properties. XPS, periodic DFT calculations, and electrochemical impedance spectroscopy ascertained the electronic and electrical properties, while Raman and DRS spectroscopies assessed the relevant optical properties. The photocatalytic activity was determined via the degradation of phenol in aqueous media. Although some results accorded with earlier studies, the newer electronic structural data on this bismuthate, together with the photocatalytic experiments carried out in the presence of selective radical trapping agents, led to elucidating some of the mechanistic details of the photocatalytic processes that previous views of the BaBiO3 band structure failed to address or clarify. Analytical refinement of the XRD data inferred the as-synthesized BaBiO3 adopted the C2/m symmetry rather than the I2/m structure reported earlier, while Tauc plots from DRS spectra yielded a bandgap of 2.05 eV versus the range of 1.1-2.25 eV reported by others; the corresponding flatband potentials were 1.61 eV (EVB) and - 0.44 eV (ECB). The photocatalytic activity of BaBiO3 was somewhat greater than that of the well-known Evonik P25 TiO2 photocatalyst under comparable experimental conditions.
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Affiliation(s)
- Dmitry S Shtarev
- Laboratory of Thin Film Technologies, Far Eastern Federal University, Ajax Bay 10, Russky Island, Vladivostok 690922, Russia
| | - Anna V Shtareva
- Laboratory of Thin Film Technologies, Far Eastern Federal University, Ajax Bay 10, Russky Island, Vladivostok 690922, Russia
| | - Ruslan Kevorkyants
- Laboratory 'Photoactive Nanocomposite Materials', St. Petersburg State University, Ulyanovskaya 1, St. Petersburg 198504, Russia
| | - Maxim S Molokeev
- Far Eastern State Transport University, Serysheva 47, Khabarovsk 680021, Russia.,Kirensky Institute of Physics, Akademgorodok 50, bld. 38, Krasnoyarsk 660036, Russia.,Siberian Federal University, Svobodny 79, Krasnoyarsk 660041, Russia
| | - Nick Serpone
- PhotoGreen Laboratory, Dipartimento di Chimica, Università di Pavia, via Taramelli 12, Pavia 27100, Italy.
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Khan M, Ware P, Shimpi N. Synthesis of ZnO nanoparticles using peels of Passiflora foetida and study of its activity as an efficient catalyst for the degradation of hazardous organic dye. SN APPLIED SCIENCES 2021. [DOI: 10.1007/s42452-021-04436-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
AbstractCreating a sustainable and effective approach to handling organic contaminants from industrial waste is an ongoing problem. In the present study, ZnO nanoparticles (ZnO NPs) were synthesized under a controlled ultrasound cavitation technique using the extract of Passiflora foetida fruit peels, which act as a reducing (i.e., reduction of metal salt) and stabilizing agent. The formation of monodispersed and hexagonal morphology (average size approximately 58 nm with BET surface area 30.83m2/g). The synthesized ZnO NPs were characterized by a various technique such as UV–visible spectroscopy, X-ray diffraction (XRD), Fourier-transform infrared (FTIR), Scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), Transmission electron microscopy (TEM), Thermogravimetric analysis (TGA) and Dynamic light scattering (DLS). Further, the XRD pattern confirmed the hexagonal wurtzite structure of synthesized ZnONPs. The ZnO NPs exhibit excellent degradation efficiency towards organic pollutant dyes, i.e., Methylene blue (MB) (93.25% removal) and Rhodamine B (91.06% removal) in 70 min, under natural sunlight with apparent rate constant 0.0337 min−1 (R2 = 0.9749) and 0.0347 min−1 (R2 = 0.9026) respectively.Zeta potential study shows the presence of a negative charge on the surface of ZnO NPs. The use of green synthesized ZnO NPs is a good choice for wastewater treatment, given their high reusability and photocatalytic efficiency, along with adaptability to green synthesis.
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Purohit S, Yadav KL, Satapathi S. Bandgap Engineering in a Staggered-Type Oxide Perovskite Heterojunction for Efficient Visible Light-Driven Photocatalytic Dye Degradation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:3467-3476. [PMID: 33705135 DOI: 10.1021/acs.langmuir.1c00209] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Oxide perovskite materials with ABO3 structure have been widely employed for photocatalytic applications. However, owing to the disadvantageous electron-hole recombination process and wide bandgap of some materials, the photocatalytic performance is seemingly restricted. Coupling two catalysts together through the formation of a heterojunction ensures effective charge carrier separation. The intimate interaction between the materials is propitiously useful for charge transfer, thereby increasing the efficacy. In this study, the photocatalytic activity of a KxNa(1-x)NbO3-BaBiO3 (KNN-BBO) heterojunction material for the degradation of Rhodamine 6G organic dye was investigated. The materials were extensively characterized by X-ray diffraction, UV-Vis diffused reflectance spectroscopy, X-ray photoelectron spectroscopy, Raman spectroscopy, and N2 adsorption isotherms. The degradation efficiency of the organic contaminant under 1 sun simulated sunlight is monitored by spectral analysis from UV-Vis absorption spectroscopy. The resistance to charge transfer was also observed by electrochemical impedance spectroscopy. The effect of the sintering temperature on the photoinduced degradation activity was also included in our study. An unsintered KNN-BBO (UKB) composite material is found to be the most efficient catalyst with 84% removal efficiency as compared to the sintered one (SKB). This is attributed to the reduced bandgap with staggered-type band alignment, increased surface area, and surface oxygen vacancy states. Together with the crucial findings of this work, a probable mechanism for enhanced photocatalytic activity has been proposed here.
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Affiliation(s)
- Smruti Purohit
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Haridwar, Uttarakhand 247667, India
| | - Kanhaiya Lal Yadav
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Haridwar, Uttarakhand 247667, India
| | - Soumitra Satapathi
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Haridwar, Uttarakhand 247667, India
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Tavakoli-Azar T, Mahjoub AR, Sadjadi MS, Farhadyar N, Sadr MH. Synthesis and Characterization of a Perovskite Nanocomposite of CdTiO3@S with Orthorhombic Structure: Investigation of Photoluminescence Properties and Its Photocatalytic Performance for the Degradation of Congo Red and Crystal Violet Under Sunlight. J Inorg Organomet Polym Mater 2020. [DOI: 10.1007/s10904-020-01762-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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Optical, electronic, and mechanical properties of p-type conductive oxide BaBiO3: A density functional theory study. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2020.138054] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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15
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Ivanov KV, Alekseeva OV, Agafonov AV. Synthesis of CaCu3Ti4O12, Study of Physicochemical and Photocatalytic Properties. RUSS J INORG CHEM+ 2020. [DOI: 10.1134/s0036023620100095] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Lacerda LHS, de Lazaro SR. Density Functional Theory investigation of rhombohedral multiferroic oxides for photocatalytic water splitting and organic photodegradation. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112656] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Improving the photocatalytic performance of a perovskite ZnTiO3 through ZnTiO3@S nanocomposites for degradation of Crystal violet and Rhodamine B pollutants under sunlight. INORG CHEM COMMUN 2020. [DOI: 10.1016/j.inoche.2020.108091] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Mora-Hernandez J, Huerta-Flores AM, Torres-Martínez LM. Tailoring charge transport in BaBiO3/NaTaO3 heterojunction interface for enhanced photocatalytic and photoelectrochemical H2 generation. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112363] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Rokesh K, Sakar M, Do T. Calcium Bismuthate (CaBiO
3
): A Potential Sunlight‐Driven Perovskite Photocatalyst for the Degradation of Emerging Pharmaceutical Contaminants. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.201900265] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
| | - Mohan Sakar
- Department of Chemical EngineeringLaval University Quebec G1V0A6 Canada
- Centre for Nano and Material SciencesJain University Bangalore 562112 India
| | - Trong‐On Do
- Department of Chemical EngineeringLaval University Quebec G1V0A6 Canada
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Abdel-Latif IA, Al-Hajji LA, Faisal M, Ismail AA. Doping Strontium into Neodymium Manganites Nanocomposites for Enhanced Visible light Driven Photocatalysis. Sci Rep 2019; 9:13932. [PMID: 31558764 PMCID: PMC6763447 DOI: 10.1038/s41598-019-50393-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Accepted: 08/13/2019] [Indexed: 11/09/2022] Open
Abstract
Nd1-xSrxMnO3 nanocomposites perovskites were synthesized using sol gel method at different Sr content x = 0.3, 0.5, 0.7, and 0.9. The photocatalytic performance of the Nd1-xSrxMnO3 nanocomposites for photodegradation of Acridine orange dye (AO) was evaluated over visible light illumination. The single phase of orthorhombic pbnm was formed for x = 0.3 and 0.5; however monoclinic and orthorhombic were observed at x = 0.7 and 0.9. The Energy gap of the Nd1-xSrxMnO3 nanocomposites were estimated for all concentrations to be in the range of 3 ± 0.05 eV. The photocatalytic efficiency of Nd0.3Sr0.7MnO3 nanocomposite was 95% of the initial AO dye concentration within 3 h illumination time. The linear increase of the photodegradation rate was found in our samples as a result of the increase of Sr contents from 0.3 to 0.7wt %. Interestingly, the Nd0.3Sr0.7MnO3 content has the highest degradation rate of AO which is two times faster than undoped NdMnO3. This superior behavior in photocatalytic activity of Nd0.3Sr0.7MnO3 nanocomposite emerges from large surface area, structural anisotropy, and small particle size. These findings shows convincingly that the Nd1-xSrxMnO3 photocatalysts possess great promise for visible light driven photodegradation of AO dye.
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Affiliation(s)
- I A Abdel-Latif
- Physics Department, College of Science, Najran University, Najran, P.O. Box 1988, Najran, 11001, Saudi Arabia. .,Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran, 11001, Saudi Arabia. .,Reactor Physics Department, NRC, Atomic Energy Authority, Abou Zabaal P.O. 13759, Cairo, Egypt.
| | - L A Al-Hajji
- Nanotechnologyand and Advanced Materials Program, Energy & Building Research Center, Kuwait Institute for Scientific Research (KISR), P.O. Box 24885, Safat, 13109, Kuwait
| | - M Faisal
- Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran, 11001, Saudi Arabia
| | - Adel A Ismail
- Nanotechnologyand and Advanced Materials Program, Energy & Building Research Center, Kuwait Institute for Scientific Research (KISR), P.O. Box 24885, Safat, 13109, Kuwait. .,Central Metallurgical R& D Institute, CMRDI, Helwan, Cairo, Egypt.
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Abstract
Advanced oxidation processes (AOPs), based on the formation of highly reactive radicals are able to degrade many organic contaminants present in effluent water. In the heterogeneous AOPS the presence of a solid which acts as catalyst in combination with other systems (O3, H2O2, light) is required. Among the different materials that can catalyse these processes, perovskites are found to be very promising, because they are highly stable and exhibit a high mobility of network oxygen with the possibility of forming vacancies and to stabilize unusual oxidation states of metals. In this review, we show the fundaments of different kinds of AOPs and the application of perovskite type oxides in them, classified attending to the oxidant used, ozone, H2O2 or peroxymonosulfate, alone or in combination with other systems. The photocatalytic oxidation, consisting in the activation of the perovskite by irradiation with ultraviolet or visible light is also revised.
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