1
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Tee SY, Kong J, Koh JJ, Teng CP, Wang X, Wang X, Teo SL, Thitsartarn W, Han MY, Seh ZW. Structurally and surficially activated TiO 2 nanomaterials for photochemical reactions. NANOSCALE 2024. [PMID: 39268929 DOI: 10.1039/d4nr02342k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/15/2024]
Abstract
Renewable fuels and environmental remediation are of paramount importance in today's world due to escalating concerns about climate change, pollution, and the finite nature of fossil fuels. Transitioning to sustainable energy sources and addressing environmental pollution has become an urgent necessity. Photocatalysis, particularly harnessing solar energy to drive chemical reactions for environmental remediation and clean fuel production, holds significant promise among emerging technologies. As a benchmark semiconductor in photocatalysis, TiO2 photocatalyst offers an excellent solution for environmental remediation and serves as a key tool in energy conversion and chemical synthesis. Despite its status as the default photocatalyst, TiO2 suffers from drawbacks such as a high recombination rate of charge carriers, low electrical conductivity, and limited absorption in the visible light spectrum. This review provides an in-depth exploration of the fundamental principles of photocatalytic reactions and presents recent advancements in the development of TiO2 photocatalysts. It specifically focuses on strategic approaches aimed at enhancing the performance of TiO2 photocatalysts, including improving visible light absorption for efficient solar energy harvesting, enhancing charge separation and transportation efficiency, and ensuring stability for robust photocatalysis. Additionally, the review delves into the application of photodegradation and photocatalysis, particularly in critical processes such as water splitting, carbon dioxide reduction, nitrogen fixation, hydrogen peroxide generation, and alcohol oxidation. It also highlights the novel use of TiO2 in plastic polymerization and degradation, showcasing its potential for converting plastic waste into valuable chemicals and fuels, thereby offering sustainable waste management solutions. By addressing these essential areas, the review offers valuable insights into the potential of TiO2 photocatalysis for addressing pressing environmental and energy challenges. Furthermore, the review encompasses the application of TiO2 photochromic systems, expanding its scope to include other innovative research and applications. Finally, it addresses the underlying challenges and provides perspectives on the future development of TiO2 photocatalysts. Through addressing these issues and implementing innovative strategies, TiO2 photocatalysis can continue to evolve and play a pivotal role in sustainable energy and environmental applications.
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Affiliation(s)
- Si Yin Tee
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore.
| | - Junhua Kong
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore.
| | - Justin Junqiang Koh
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore.
| | - Choon Peng Teng
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore.
| | - Xizu Wang
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore.
| | - Xiaobai Wang
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore.
| | - Siew Lang Teo
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore.
| | - Warintorn Thitsartarn
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore.
| | - Ming-Yong Han
- Institute of Molecular Plus, Tianjin University, Tianjin 300072, China.
| | - Zhi Wei Seh
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore.
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2
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Yuan Z, Zhu X, Gao X, An C, Wang Z, Zuo C, Dionysiou DD, He H, Jiang Z. Enhancing photocatalytic CO 2 reduction with TiO 2-based materials: Strategies, mechanisms, challenges, and perspectives. ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY 2024; 20:100368. [PMID: 38268554 PMCID: PMC10805649 DOI: 10.1016/j.ese.2023.100368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/10/2023] [Accepted: 12/10/2023] [Indexed: 01/26/2024]
Abstract
The concentration of atmospheric CO2 has exceeded 400 ppm, surpassing its natural variability and raising concerns about uncontrollable shifts in the carbon cycle, leading to significant climate and environmental impacts. A promising method to balance carbon levels and mitigate atmospheric CO2 rise is through photocatalytic CO2 reduction. Titanium dioxide (TiO2), renowned for its affordability, stability, availability, and eco-friendliness, stands out as an exemplary catalyst in photocatalytic CO2 reduction. Various strategies have been proposed to modify TiO2 for photocatalytic CO2 reduction and improve catalytic activity and product selectivity. However, few studies have systematically summarized these strategies and analyzed their advantages, disadvantages, and current progress. Here, we comprehensively review recent advancements in TiO2 engineering, focusing on crystal engineering, interface design, and reactive site construction to enhance photocatalytic efficiency and product selectivity. We discuss how modifications in TiO2's optical characteristics, carrier migration, and active site design have led to varied and selective CO2 reduction products. These enhancements are thoroughly analyzed through experimental data and theoretical calculations. Additionally, we identify current challenges and suggest future research directions, emphasizing the role of TiO2-based materials in understanding photocatalytic CO2 reduction mechanisms and in designing effective catalysts. This review is expected to contribute to the global pursuit of carbon neutrality by providing foundational insights into the mechanisms of photocatalytic CO2 reduction with TiO2-based materials and guiding the development of efficient photocatalysts.
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Affiliation(s)
- Zhimin Yuan
- School of Chemistry & Chemical Engineering and Environmental Engineering, Weifang University, Weifang, 261061, PR China
| | - Xianglin Zhu
- Institute for Energy Research, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Xianqiang Gao
- College of Forestry, Shandong Agricultural University, Taian, 271018, PR China
| | - Changhua An
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, 300384, PR China
| | - Zheng Wang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China
| | - Cheng Zuo
- School of Chemistry & Chemical Engineering and Environmental Engineering, Weifang University, Weifang, 261061, PR China
| | - Dionysios D. Dionysiou
- Environmental Engineering and Science Program, Department of Chemical and Environmental Engineering (DChEE), University of Cincinnati, Cincinnati, OH, 45221-0012, USA
| | - Hong He
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China
| | - Zaiyong Jiang
- School of Chemistry & Chemical Engineering and Environmental Engineering, Weifang University, Weifang, 261061, PR China
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China
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3
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Cai M, Sun S, Bao J. Synchrotron Radiation Based X-ray Absorption Spectroscopy: Fundamentals and Applications in Photocatalysis. Chemphyschem 2024; 25:e202300939. [PMID: 38374799 DOI: 10.1002/cphc.202300939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 02/19/2024] [Indexed: 02/21/2024]
Abstract
Photocatalysis is one of the most promising green technologies to utilize solar energy for clean energy achievement and environmental governance. There is a knotty problem to rational designing high-performance photocatalyst, which largely depends on an in-depth insight into their structure-activity relationships and complex photocatalytic reaction mechanisms. Synchrotron radiation based X-ray absorption spectroscopy (XAS) is an important characterization method for photocatlayst to offer the element-specific key geometric and electronic structural information at the atomic level, on this basis, time-resolved XAS technique has a huge impact on mechanistic understanding of photochemical reaction owing to their powerful ability to probe, in real-time, the electronic and geometric structures evolution within photocatalysis reactions. This review will focus on the fundamentals of XAS and their applications in photocatalysis. The detailed applications obtained from XAS is described through the following aspects: 1) identifying local structure of photocatalyst; 2) uncovering in situ structure and chemical state evolution during photocatalysis; 3) revealing the photoexcited process. We will provide an in depth understanding on how the XAS method can guide the rational design of highly efficient photocatalyst. Finally, a systematic summary of XAS and related significance is made and the research perspectives are suggested.
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Affiliation(s)
- Mengdie Cai
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, 230601, China
| | - Song Sun
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, 230601, China
| | - Jun Bao
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, China
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4
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Kawawaki T, Akinaga Y, Yazaki D, Kameko H, Hirayama D, Negishi Y. Promoting Photocatalytic Carbon Dioxide Reduction by Tuning the Properties of Cocatalysts. Chemistry 2023; 29:e202203387. [PMID: 36524615 PMCID: PMC10107262 DOI: 10.1002/chem.202203387] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022]
Abstract
Suppressing the amount of carbon dioxide in the atmosphere is an essential measure toward addressing global warming. Specifically, the photocatalytic CO2 reduction reaction (CRR) is an effective strategy because it affords the conversion of CO2 into useful carbon feedstocks by using sunlight and water. However, the practical application of photocatalyst-promoting CRR (CRR photocatalysts) requires significant improvement of their conversion efficiency. Accordingly, extensive research is being conducted toward improving semiconductor photocatalysts, as well as cocatalysts that are loaded as active sites on the photocatalysts. In this review, we summarize recent research and development trends in the improvement of cocatalysts, which have a significant impact on the catalytic activity and selectivity of photocatalytic CRR. We expect that the advanced knowledge provided on the improvement of cocatalysts for CRR in this review will serve as a general guideline to accelerate the development of highly efficient CRR photocatalysts.
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Affiliation(s)
- Tokuhisa Kawawaki
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
- Research Institute for Science & TechnologyTokyo University of ScienceShinjuku-kuTokyo162-8601Japan
| | - Yuki Akinaga
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
| | - Daichi Yazaki
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
| | - Hinano Kameko
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
| | - Daisuke Hirayama
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
| | - Yuichi Negishi
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
- Research Institute for Science & TechnologyTokyo University of ScienceShinjuku-kuTokyo162-8601Japan
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5
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Carbon Dioxide Conversion on Supported Metal Nanoparticles: A Brief Review. Catalysts 2023. [DOI: 10.3390/catal13020305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
The increasing concentration of anthropogenic CO2 in the air is one of the main causes of global warming. The Paris Agreement at COP 21 aims to reach the global peak of greenhouse gas emissions in the second half of this century, with CO2 conversion towards valuable added compounds being one of the main strategies, especially in the field of heterogeneous catalysis. In the current search for new catalysts, the deposition of metallic nanoparticles (NPs) supported on metal oxides and metal carbide surfaces paves the way to new catalytic solutions. This review provides a comprehensive description and analysis of the relevant literature on the utilization of metal-supported NPs as catalysts for CO2 conversion to useful chemicals and propose that the next catalysts generation can be led by single-metal-atom deposition, since in general, small metal particles enhance the catalytic activity. Among the range of potential indicators of catalytic activity and selectivity, the relevance of NPs’ size, the strong metal–support interactions, and the formation of vacancies on the support are exhaustively discussed from experimental and computational perspective.
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6
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Wang J, Guo RT, Bi ZX, Chen X, Hu X, Pan WG. A review on TiO 2-x-based materials for photocatalytic CO 2 reduction. NANOSCALE 2022; 14:11512-11528. [PMID: 35917276 DOI: 10.1039/d2nr02527b] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Photocatalytic CO2 reduction technology has a broad potential for dealing with the issues of energy shortage and global warming. As a widely studied material used in the photocatalytic process, titanium dioxide (TiO2) has been continuously modified and tailored for more desirable application. Recently, the defective/reduced titanium dioxide (TiO2-x) catalyst has attracted broad attention due to its excellent photocatalytic performance for CO2 reduction. In this perspective review, we comprehensively present the recent progress in TiO2-x-based materials for photocatalytic CO2 reduction. In detail, the review starts with the fundamentals of CO2 photocatalytic reduction. Then, the synthesis of a defective TiO2 structure is introduced for the regulation of its photocatalytic performance, especially its optical properties and dissociative adsorption properties. In addition, the current application of TiO2-x-based photocatalysts for CO2 reduction is also highlighted, such as metal-TiO2-x, oxide-TiO2-x and TiO2-x-carbon-based photocatalysts. Finally, the existing challenges and possible scope of photocatalytic CO2 reduction over TiO2-x-based materials are discussed. We hope that this review can provide an effective reference for the development of more efficient and reasonable photocatalysts based on TiO2-x.
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Affiliation(s)
- Juan Wang
- College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China.
| | - Rui-Tang Guo
- College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China.
- Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, China
| | - Zhe-Xu Bi
- College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China.
| | - Xin Chen
- College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China.
| | - Xing Hu
- College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China.
| | - Wei-Guo Pan
- College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China.
- Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, China
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7
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Bahadoran A, Ramakrishna S, Masudy-Panah S, De Lile JR, Gu J, Liu Q, Mishra YK. Rational Construction of a 0D/1D S-Scheme CeO 2/CdWO 4 Heterojunction for Photocatalytic CO 2 Reduction and H 2 Production. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ashkan Bahadoran
- State Key Laboratory of Metal Matrix Composite, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Seeram Ramakrishna
- Faculty of Mechanical Engineering, National University of Singapore, 117574 Singapore
| | - Saeid Masudy-Panah
- Low Energy Electronic Systems (LEES), Singapore-MIT Alliance for Research and Technology (SMART) Centre, 38602 Singapore
| | - Jeffrey Roshan De Lile
- Département de physique and Regroupement québécois sur les matériaux de pointe, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec H3C3J7, Canada
| | - JiaJun Gu
- State Key Laboratory of Metal Matrix Composite, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Qinglei Liu
- State Key Laboratory of Metal Matrix Composite, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yogendra Kumar Mishra
- SDU NanoSYD, Mads Clausen Institute, University of Southern Denmark, Alsion 2, 6400, Sønderborg, Denmark
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8
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Aggarwal M, Shetti NP, Basu S, Aminabhavi TM. Two-dimensional ultrathin metal-based nanosheets for photocatalytic CO 2 conversion to solar fuels. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 313:114916. [PMID: 35367674 DOI: 10.1016/j.jenvman.2022.114916] [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: 01/04/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Artificially simulated photosynthesis has created substantial curiosity as the majority of efforts in this arena have been aimed to upsurge solar fuel efficiencies for commercialization. The layered inorganic 2D nanosheets offer considerably higher tunability of their chemical surface, physicochemical properties and catalytic activity. Despites the intrinsic advantages of such metal-based materials viz., metal oxides, transition metal dichalcogenides, metal oxyhalides, metal organic frameworks, layered double hydroxide, MXene's, boron nitride, black phosphorous and perovskites, studies on such systems are limited for applications in photocatalytic CO2 reduction. The role of metal-based layers for CO2 conversion and new strategies such as surface modifications, defect generation and heterojunctions to optimize their functionalities are discussed in this review. Research prospects and technical challenges for future developments of layered 2D metal-based nanomaterials are critically discussed.
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Affiliation(s)
- Maansi Aggarwal
- School of Chemistry and Biochemistry, Thapar Institute of Engineering & Technology, Patiala, 147004, India
| | - Nagaraj P Shetti
- School of Advanced Sciences, KLE Technological University, Hubballi, 580031, Karnataka, India.
| | - Soumen Basu
- School of Chemistry and Biochemistry, Thapar Institute of Engineering & Technology, Patiala, 147004, India
| | - Tejraj M Aminabhavi
- School of Advanced Sciences, KLE Technological University, Hubballi, 580031, Karnataka, India.
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9
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Hiragond CB, Powar NS, Lee J, In SI. Single-Atom Catalysts (SACs) for Photocatalytic CO 2 Reduction with H 2 O: Activity, Product Selectivity, Stability, and Surface Chemistry. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2201428. [PMID: 35695355 DOI: 10.1002/smll.202201428] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 05/14/2022] [Indexed: 06/15/2023]
Abstract
In recent years, single-atom catalysts (SACs) have attracted the interest of researchers owing to their suitability for various catalytic applications. For instance, their optoelectronic features, site-specific activity, and cost-effectiveness make SACs ideal for photocatalytic CO2 reduction. The activity, product selectivity, and photostability of SACs depend on various factors such as the nature of the metal/support material, the interaction between the metal atoms and support, light-harvesting ability, charge separation behavior, CO2 adsorption ability, active sites, and defects. Consequently, it is necessary to investigate these factors in depth to elucidate the working principle(s) of SACs for catalytic applications. Herein, the recent progress in the development of SACs for photocatalytic CO2 reduction with H2 O is reviewed. First, a brief overview of CO2 photoreduction and SACs for CO2 conversion is provided. Several synthesis strategies and useful techniques for characterizing SACs employed in heterogeneous catalysis are then described. Next, the challenges of SACs for photocatalytic CO2 reduction and related optimization strategies, in terms of activity, product selectivity, and stability, are explored. The progress in the development of noble metal- and transition metal-based SACs and dual-SACs for photocatalytic CO2 reduction is discussed. Finally, the prospects of SACs for CO2 reduction are considered.
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Affiliation(s)
- Chaitanya B Hiragond
- Department of Energy Science & Engineering, DGIST, 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988, Republic of Korea
| | - Niket S Powar
- Department of Energy Science & Engineering, DGIST, 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988, Republic of Korea
| | - Junho Lee
- Department of Energy Science & Engineering, DGIST, 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988, Republic of Korea
| | - Su-Il In
- Department of Energy Science & Engineering, DGIST, 333 Techno Jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu, 42988, Republic of Korea
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10
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Ezendam S, Herran M, Nan L, Gruber C, Kang Y, Gröbmeyer F, Lin R, Gargiulo J, Sousa-Castillo A, Cortés E. Hybrid Plasmonic Nanomaterials for Hydrogen Generation and Carbon Dioxide Reduction. ACS ENERGY LETTERS 2022; 7:778-815. [PMID: 35178471 PMCID: PMC8845048 DOI: 10.1021/acsenergylett.1c02241] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 01/07/2022] [Indexed: 05/05/2023]
Abstract
The successful development of artificial photosynthesis requires finding new materials able to efficiently harvest sunlight and catalyze hydrogen generation and carbon dioxide reduction reactions. Plasmonic nanoparticles are promising candidates for these tasks, due to their ability to confine solar energy into molecular regions. Here, we review recent developments in hybrid plasmonic photocatalysis, including the combination of plasmonic nanomaterials with catalytic metals, semiconductors, perovskites, 2D materials, metal-organic frameworks, and electrochemical cells. We perform a quantitative comparison of the demonstrated activity and selectivity of these materials for solar fuel generation in the liquid phase. In this way, we critically assess the state-of-the-art of hybrid plasmonic photocatalysts for solar fuel production, allowing its benchmarking against other existing heterogeneous catalysts. Our analysis allows the identification of the best performing plasmonic systems, useful to design a new generation of plasmonic catalysts.
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Affiliation(s)
- Simone Ezendam
- Faculty
of Physics, Ludwig-Maximilians-Universität, 80539 München, Germany
| | - Matias Herran
- Faculty
of Physics, Ludwig-Maximilians-Universität, 80539 München, Germany
| | - Lin Nan
- Faculty
of Physics, Ludwig-Maximilians-Universität, 80539 München, Germany
| | - Christoph Gruber
- Faculty
of Physics, Ludwig-Maximilians-Universität, 80539 München, Germany
| | - Yicui Kang
- Faculty
of Physics, Ludwig-Maximilians-Universität, 80539 München, Germany
| | - Franz Gröbmeyer
- Faculty
of Physics, Ludwig-Maximilians-Universität, 80539 München, Germany
| | - Rui Lin
- Faculty
of Physics, Ludwig-Maximilians-Universität, 80539 München, Germany
| | - Julian Gargiulo
- Faculty
of Physics, Ludwig-Maximilians-Universität, 80539 München, Germany
| | - Ana Sousa-Castillo
- Faculty
of Physics, Ludwig-Maximilians-Universität, 80539 München, Germany
| | - Emiliano Cortés
- Faculty
of Physics, Ludwig-Maximilians-Universität, 80539 München, Germany
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11
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Humayun M, Wang C, Luo W. Recent Progress in the Synthesis and Applications of Composite Photocatalysts: A Critical Review. SMALL METHODS 2022; 6:e2101395. [PMID: 35174987 DOI: 10.1002/smtd.202101395] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Indexed: 06/14/2023]
Abstract
Photocatalysis is an advanced technique that transforms solar energy into sustainable fuels and oxidizes pollutants via the aid of semiconductor photocatalysts. The main scientific and technological challenges for effective photocatalysis are the stability, robustness, and efficiency of semiconductor photocatalysts. For practical applications, researchers are trying to develop highly efficient and stable photocatalysts. Since the literature is highly scattered, it is urgent to write a critical review that summarizes the state-of-the-art progress in the design of a variety of semiconductor composite photocatalysts for energy and environmental applications. Herein, a comprehensive review is presented that summarizes an overview, history, mechanism, advantages, and challenges of semiconductor photocatalysis. Further, the recent advancements in the design of heterostructure photocatalysts including alloy quantum dots based composites, carbon based composites including carbon nanotubes, carbon quantum dots, graphitic carbon nitride, and graphene, covalent-organic frameworks based composites, metal based composites including metal carbides, metal halide perovskites, metal nitrides, metal oxides, metal phosphides, and metal sulfides, metal-organic frameworks based composites, plasmonic materials based composites and single atom based composites for CO2 conversion, H2 evolution, and pollutants oxidation are discussed elaborately. Finally, perspectives for further improvement in the design of composite materials for efficient photocatalysis are provided.
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Affiliation(s)
- Muhammad Humayun
- School of Optical and Electronic Information, Wuhan National Laboratory for Optoelectronics, Engineering Research Center for Functional Ceramics of the Ministry of Education, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Chundong Wang
- School of Optical and Electronic Information, Wuhan National Laboratory for Optoelectronics, Engineering Research Center for Functional Ceramics of the Ministry of Education, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Wei Luo
- School of Optical and Electronic Information, Wuhan National Laboratory for Optoelectronics, Engineering Research Center for Functional Ceramics of the Ministry of Education, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
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12
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Iglesias‐Juez A, Chiarello GL, Patience GS, Guerrero‐Pérez MO. Experimental methods in chemical engineering:
X
‐ray absorption spectroscopy—
XAS
,
XANES
,
EXAFS. CAN J CHEM ENG 2021. [DOI: 10.1002/cjce.24291] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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13
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Improving Photoelectrochemical Activity of ZnO/TiO2 Core–Shell Nanostructure through Ag Nanoparticle Integration. Catalysts 2021. [DOI: 10.3390/catal11080911] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
In solar energy harvesting using solar cells and photocatalysts, the photoexcitation of electrons and holes in semiconductors is the first major step in the solar energy conversion. The lifetime of carriers, a key factor determining the energy conversion and photocatalysis efficiency, is shortened mainly by the recombination of photoexcited carriers. We prepared and tested a series of ZnO/TiO2-based heterostructures in search of designs which can extend the carrier lifetime. Time-resolved photoluminescence tests revealed that, in ZnO/TiO2 core–shell structure the carrier lifetime is extended by over 20 times comparing with the pure ZnO nanorods. The performance improved further when Ag nanoparticles were integrated at the ZnO/TiO2 interface to construct a Z-scheme structure. We utilized these samples as photoanodes in a photoelectrochemical (PEC) cell and analyzed their solar water splitting performances. Our data showed that these modifications significantly enhanced the PEC performance. Especially, under visible light, the Z-scheme structure generated a photocurrent density 100 times higher than from the original ZnO samples. These results reveal the potential of ZnO-Ag-TiO2 nanorod arrays as a long-carrier-lifetime structure for future solar energy harvesting applications.
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14
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Basha MH, Ramu C, Gopal NO, Reddy MB. Structural and spectroscopic characterizations of boron doped TiO2–CeO2 nanocomposite synthesized by solution combustion technique for photocatalytic applications. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.129892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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