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Li D, Li Q, Zhang Q, Yang R, Ye Q, Tian D, Jiang D. Integrating bimetallic borides with g-C 3N 4 containing cyanamide defects for efficient photocatalytic nitrogen fixation. J Colloid Interface Sci 2024; 672:631-641. [PMID: 38865877 DOI: 10.1016/j.jcis.2024.05.238] [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: 03/05/2024] [Revised: 05/30/2024] [Accepted: 05/31/2024] [Indexed: 06/14/2024]
Abstract
The sustainable generation of ammonia by photocatalytic nitrogen fixation under mild conditions is fascinating compared to conventional industrial processes. Nevertheless, owing to the low charge transfer efficiency, the insufficient light absorption capacity and limited active sites of the photocatalyst cause the difficult adsorption and activation of N2 molecules, thereby resulting in a low photocatalytic conversion efficiency. Herein, a novel bimetallic CoMoB nanosheets (CoMoB) co-catalyst modified carbon nitride with dual moiety defects (CN-TH3/3) Schottky junction photocatalyst is designed for photocatalytic nitrogen reduction reaction (NRR). The photocatalytic nitrogen reduction rate of the optimized CoMoB/CN-TH3/3 photocatalyst is 4.81 mM·g-1·h-1, which is 6.2 and 2.2 times higher than carbon nitride (CN) (0.78 mM·g-1·h-1) and CN-TH3/3 (2.21 mM·g-1·h-1), respectively. The excellent photocatalytic NRR performance is ascribed not only to the introduction of dual moiety defects (cyano and cyanamide groups) that extends the visible light absorption range and promotes exciton polarization dissociation, but also to the formation of interfacial electric field between CoMoB and CN-TH3/3, which effectively facilitates the interfacial charge transfer. Thus, the synergistic interaction between CN-TH3/3 and CoMoB further increases the electron numble of CoMoB active sites, which effectively strengthens the adsorption and activation of N2 and weakens the NN triple bond, thereby enhancing the photocatalytic NRR activity. This work highlights the introduced dual moiety defects and bimetallic CoMoB co-catalyst to synergistically enhance the photocatalytic nitrogen reduction performance.
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Affiliation(s)
- Di Li
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Qin Li
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Qiong Zhang
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Ran Yang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Qianjin Ye
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Dan Tian
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Deli Jiang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China.
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2
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Li J, Shang E, Li X, Tian J, Xu Z, Li J. Efficient ofloxacin degradation via peroxymonosulfate activation using an S-scheme MoS 2/Co 3O 4 heterojunction composite under visible light: Performance and mechanistic insights. ENVIRONMENTAL RESEARCH 2024:119891. [PMID: 39218336 DOI: 10.1016/j.envres.2024.119891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Revised: 08/25/2024] [Accepted: 08/29/2024] [Indexed: 09/04/2024]
Abstract
Sulfate-radical-mediated photocatalysis technology peroxymonosulfate (PMS) activation via visible light irradiation shows great promise for water treatment applications. However, its effectiveness largely depends on the bifunctional performance of photocatalysis and PMS activation provided by the catalysts. In this study, we successfully synthesized a novel S-scheme MoS2/Co3O4 (MC) heterojunction composite by a hydrothermal method and employed it for the first time to activate PMS for ofloxacin (OFX) degradation under visible light irradiation. The MC-5/PMS/Vis system achieved an impressive 85.11% OFX degradation efficiency within 1 min and complete OFX removal within 15 min under optimal conditions, with an apparent first-order kinetics rate constant of 0.429 min-1. Reactive species trapping experiments and electron spin resonance analysis identified 1O2, h+, and •O2- as the primary active species responsible for OFX degradation. Photoelectrochemical analyses and density functional theory calculations indicated the formation of a built-in electric field between MoS2 and Co3O4, which enhanced the separation and migration of photoinduced carriers. Additionally, the Co-Mo interaction further increased the yield of dominant reactive species, thereby boosting photocatalytic activity. This work underscores the potential of visible-light-assisted PMS-mediated photocatalysis using Co3O4-based catalysts for effective pollutant control.
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Affiliation(s)
- Jianwei Li
- College of Science and Technology, Hebei Agricultural University, Huanghua 061100, China
| | - Enxiang Shang
- College of Science and Technology, Hebei Agricultural University, Huanghua 061100, China.
| | - Xuebing Li
- College of Science and Technology, Hebei Agricultural University, Huanghua 061100, China
| | - Jiajia Tian
- College of Science and Technology, Hebei Agricultural University, Huanghua 061100, China
| | - Zesheng Xu
- Chinese Academy for Environmental Planning, Beijing 100041, China
| | - Jiwen Li
- College of Science and Technology, Hebei Agricultural University, Huanghua 061100, China.
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3
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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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4
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Liu J, Xu J, Jian P. Manipulation of Electronic Effect and Assembly Architecture to Invoke Oxidation of Ethylbenzene by Hierarchical Co 3O 4 Wreaths. Inorg Chem 2024; 63:8938-8947. [PMID: 38682566 DOI: 10.1021/acs.inorgchem.4c01018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
A high-performance transition-metal oxide catalyst can be designed by appropriately integrating the concepts of morphology regulation and electronic structure modulation. In this work, hierarchical Co3O4 wreaths (CCW) enriched with oxygen vacancies (Ov) were facilely constructed for the selective oxidation of ethylbenzene (EB) to acetophenone (AP). Under the screened optimal reaction conditions, the CCW catalyst can offer a 79.1% conversion of EB (ri = 0.244 mol gcat-1 h-1) accompanied by a selectivity of 92.3% to AP. The good reaction performance can be attributed to the cooperation of defect engineering and architecture design, which can synergistically facilitate the EB oxidation performance by augmenting the intrinsic reactivity and accessibility of active sites. This work presents a reliable route to construct a high-performance transitional metal oxide catalyst via manipulation of electronic effect and assembly architecture for the selective oxidation of EB and beyond.
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Affiliation(s)
- Jiangyong Liu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, Jiangsu, China
| | - Jiajun Xu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, Jiangsu, China
| | - Panming Jian
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, Jiangsu, China
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Bao WL, Kuai J, Gao HY, Zheng MQ, Sun ZH, He MY, Chen Q, Zhang ZH. Ionic liquid post-modified carboxylate-rich MOFs for efficient catalytic CO 2 cycloaddition under solvent-free conditions. Dalton Trans 2024; 53:6215-6223. [PMID: 38483279 DOI: 10.1039/d4dt00209a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
The synthesis of cyclic carbonates through cycloaddition reactions between epoxides and carbon dioxide (CO2) is an important industrial process. Metal-Organic Frameworks (MOFs) have functional and ordered pore structures, making them attractive catalysts for converting gas molecules into valuable products. One approach to enhance the catalytic activity of MOFs in CO2 cycloaddition reactions is to create open metal sites within MOFs. In this study, the amino-functionalized rare earth Gd-MOF (Gd-TPTC-NH2) and its ionic liquid composite catalysts (Gd-TPTC-NH-[BMIM]Br) were synthesized using 2'-amino-[1,1':4',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid (H4TPTC-NH2) as the ligand. The catalytic performance of these two catalysts was observed in the cycloaddition reaction of CO2 and epoxides. Under the optimized reaction conditions, Gd-TPTC-NH-[BMIM]Br can effectively catalyze the cycloaddition reaction of a variety of epoxide substrates with good to excellent yields of cyclic carbonate products. Comparatively, epichlorohydrin and epibromohydrin, which possess halogen substituents, promote higher yields of cyclic carbonates due to the electron-withdrawing nature of Cl and Br substituents. Additionally, the Gd-TPTC-NH-[BMIM]Br catalyst demonstrated good recyclability and reproducibility, maintaining its catalytic activity without any changes in its structure or properties after five reuse cycles.
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Affiliation(s)
- Wen-Li Bao
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China.
| | - Jie Kuai
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China.
| | - Hai-Yang Gao
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China.
| | - Meng-Qi Zheng
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China.
| | - Zhong-Hua Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China.
| | - Ming-Yang He
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China.
| | - Qun Chen
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China.
| | - Zhi-Hui Zhang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China.
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6
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Zhang Q, Li Q, Li H, Shi X, Zhou Y, Ye Q, Yang R, Li D, Jiang D. Synergistic Effects of the Ni 3B Cocatalyst and N Vacancy on g-C 3N 4 for Effectively Enhanced Photocatalytic N 2 Fixation. Inorg Chem 2023; 62:12138-12147. [PMID: 37458415 DOI: 10.1021/acs.inorgchem.3c01741] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
The photocatalytic fixation of N2 is a promising technology for sustainable production of ammonia, while the unsatisfactory efficiency resulting from the low electron-transfer rate, narrow light absorption range, and limited active sites of the photocatalyst seriously hinder its application. Herein, we designed a noble metal-free Schottky junction photocatalyst constructed by g-C3N4 nanosheets with N vacancies (VN-CN) and metallic Ni3B nanoparticles (Ni3B/VN-CN) for N2 reduction to ammonia. The ammonia yield rate over the optimized Ni3B/VN-CN is 7.68 mM g-1 h-1, which is 6.7 times higher than that of pristine CN (1.15 mM g-1 h-1). The superior photocatalytic N2 fixation performance of Ni3B/VN-CN can be attributed not only to the formation of Schottky junctions between Ni3B and VN-CN, which facilitates the migration and separation of photogenerated electrons, but also to the incorporation of VN into g-C3N4, which enhances visible light absorption and improves electrical conductivity. More importantly, Ni3B nanoparticles can act as the cocatalyst, which provide more active sites for the adsorption and activation of N2, thereby improving the N2 reduction activity. This work provides an effective strategy of designing noble metal-free-based cocatalyst photocatalyst for sustainable and economic N2 fixation.
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Affiliation(s)
- Qiong Zhang
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Qin Li
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Heng Li
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiangli Shi
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Yimeng Zhou
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Qianjin Ye
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Ran Yang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Di Li
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Deli Jiang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
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7
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Shi F, Qi Y, Jiang S, Sun N, Deng C. Hollow Core-Shell Metal Oxide Heterojunctions for the Urinary Metabolic Fingerprint-Based Noninvasive Diagnostic Strategy. Anal Chem 2023; 95:7312-7319. [PMID: 37121232 DOI: 10.1021/acs.analchem.3c00369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Urine is a preferred object for noninvasive diagnostic strategies. Urinary metabolic analysis is speculatively regarded as an ideal tool for screening diseases closely related to the genitourinary system in view of the intimate relationship between metabolomics and phenotype. Herein, we propose a urinary metabolic fingerprint-based noninvasive diagnostic strategy by designing hollow core-shell metal oxide heterojunctions (denoted as MOHs). With outstanding light absorption and electron-hole separation ability, MOHs aid in the extraction of high-performance urine metabolic fingerprints. Coupled with optimized machine learning algorithms, we establish a metabolic marker panel for accurate diagnosis of prostate cancer (PCa), which is the most common malignant tumor of the male genitourinary system, achieving accuracies of 84.72 and 83.33% in the discovery and validation sets, respectively. Furthermore, metabolite variations and related pathway analyses confirm the credibility and change correlation of key metabolic features in PCa. This work tends to advance the noninvasive diagnostic strategy toward clinical realities.
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Affiliation(s)
- Fangying Shi
- Department of Chemistry, Department of Institutes of Biomedical Sciences, Zhongshan Hospital, Fudan University, Shanghai 200433, China
| | - Yu Qi
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Shuai Jiang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
- Department of Urology, Zhongshan Hospital Wusong Branch, Fudan University, Shanghai 200940, China
| | - Nianrong Sun
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Chunhui Deng
- Department of Chemistry, Department of Institutes of Biomedical Sciences, Zhongshan Hospital, Fudan University, Shanghai 200433, China
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8
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Han C, Zhang X, Huang S, Hu Y, Yang Z, Li TT, Li Q, Qian J. MOF-on-MOF-Derived Hollow Co 3 O 4 /In 2 O 3 Nanostructure for Efficient Photocatalytic CO 2 Reduction. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2300797. [PMID: 37083242 DOI: 10.1002/advs.202300797] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/22/2023] [Indexed: 05/03/2023]
Abstract
The photocatalytic transformation of carbon dioxide (CO2 ) into carbon-based fuels or chemicals using sustainable solar energy is considered an ideal strategy for simultaneously alleviating the energy shortage and environmental crises. However, owing to the low energy utilization of sunlight and inferior catalytic activity, the conversion efficiency of CO2 photoreduction is far from satisfactory. In this study, a MOF-derived hollow bimetallic oxide nanomaterial is prepared for the efficient photoreduction of CO2 . First, a unique ZIF-67-on-InOF-1 heterostructure is successfully obtained by growing a secondary Co-based ZIF-67 onto the initial InOF-1 nanorods. The corresponding hollow counterpart has a larger specific surface area after acid etching, and the oxidized bimetallic H-Co3 O4 /In2 O3 material exhibits abundant heterogeneous interfaces that expose more active sites. The energy band structure of H-Co3 O4 /In2 O3 corresponds well with the photosensitizer of [Ru(bpy)3 ]Cl2 , which results in a high CO yield of 4828 ± 570 µmol h-1 g-1 and stable activity over a consecutive of six runs, demonstrating adequate photocatalytic performance. This study demonstrates that the rational design of MOF-on-MOF heterostructures can completely exploit the synergistic effects between different components, which may be extended to other MOF-derived nanomaterials as promising catalysts for practical energy conversion and storage.
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Affiliation(s)
- Cheng Han
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang, 325000, P. R. China
| | - Xiaodeng Zhang
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang, 325000, P. R. China
| | - Shengsheng Huang
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, P. R. China
| | - Yue Hu
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang, 325000, P. R. China
| | - Zhi Yang
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang, 325000, P. R. China
| | - Ting-Ting Li
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, P. R. China
| | - Qipeng Li
- College of Chemistry and Chemical Engineering, Zhaotong University, Zhaotong, Yunnan, 657000, P. R. China
| | - Jinjie Qian
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang, 325000, P. R. China
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9
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Zhang S, Wang Q, Zhang P, Wang J, Li Y, Lu C, Sarwar MT, Dong X, Zhao Q, Tang A, Fu L, Yang H. Nanoclay-Modulated Interfacial Chemical Bond and Internal Electric Field at the Co 3 O 4 /TiO 2 p-n Junction for Efficient Charge Separation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2300770. [PMID: 37035990 DOI: 10.1002/smll.202300770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/08/2023] [Indexed: 06/19/2023]
Abstract
To achieve a high separation efficiency of photogenerated carriers in semiconductors, constructing high-quality heterogeneous interfaces as charge flow highways is critical and challenging. This study successfully demonstrates an interfacial chemical bond and internal electric field (IEF) simultaneously modulated 0D/0D/1D-Co3 O4 /TiO2 /sepiolite composite catalyst by exploiting sepiolite surface-interfacial interactions to adjust the Co2+ /Co3+ ratio at the Co3 O4 /TiO2 heterointerface. In situ irradiation X-ray photoelectron spectroscopy and density functional theory (DFT) calculations reveal that the interfacial Co2+ OTi bond (compared to the Co3+ OTi bond) plays a major role as an atomic-level charge transport channel at the p-n junction. Co2+ /Co3+ ratio increase also enhances the IEF intensity. Therefore, the enhanced IEF cooperates with the interfacial Co2+ OTi bond to enhance the photoelectron separation and migration efficiency. A coupled photocatalysis-peroxymonosulfate activation system is used to evaluate the catalytic activity of Co3 O4 /TiO2 /sepiolite. Furthermore, this work demonstrates how efficiently separated photoelectrons facilitate the synergy between photocatalysis and peroxymonosulfate activation to achieve deep pollutant degradation and reduce its ecotoxicity. This study presents a new strategy for constructing high-quality heterogeneous interfaces by consciously modulating interfacial chemical bonds and IEF, and the strategy is expected to extend to this class of spinel-structured semiconductors.
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Affiliation(s)
- Shilin Zhang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan, 430074, China
| | - Qingjie Wang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Peng Zhang
- College of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Jie Wang
- College of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Yue Li
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Chang Lu
- College of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Muhammad Tariq Sarwar
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan, 430074, China
| | - Xiongbo Dong
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan, 430074, China
| | - Qihang Zhao
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan, 430074, China
| | - Aidong Tang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan, 430074, China
| | - Liangjie Fu
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan, 430074, China
- College of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Huaming Yang
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan, 430074, China
- College of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
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10
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Ding L, Ding Y, Bai F, Chen G, Zhang S, Yang X, Li H, Wang X. In Situ Growth of Cs 3Bi 2Br 9 Quantum Dots on Bi-MOF Nanosheets via Cosharing Bismuth Atoms for CO 2 Capture and Photocatalytic Reduction. Inorg Chem 2023; 62:2289-2303. [PMID: 36692474 DOI: 10.1021/acs.inorgchem.2c04041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Given the global warming caused by excess CO2 accumulation in the atmosphere, it is essential to reduce CO2 by capturing and converting it to chemical feedstock using solar energy. Herein, a novel Cs3Bi2Br9/bismuth-based metal-organic framework (Bi-MOF) composite was prepared via an in situ growth strategy of Cs3Bi2Br9 quantum dots (QDs) on the surface of Bi-MOF nanosheets through coshared bismuth atoms. The prepared Cs3Bi2Br9/Bi-MOF exhibits bifunctional merits for both the high capture and effective conversion of CO2, among which the optimized 3Cs3Bi2Br9/Bi-MOF sample shows a CO2-CO conversion yield as high as 572.24 μmol g-1 h-1 under the irradiation of a 300 W Xe lamp. In addition, the composite shows good stability after five recycles in humid air, and the CO2 photoreduction efficiency does not decrease significantly. The mechanistic investigation uncovers that the intimate atomic-level contact between Cs3Bi2Br9 and Bi-MOF via the coshared atoms not only improves the dispersion of Cs3Bi2Br9 QDs over Bi-MOF nanosheets but also accelerates interfacial charge transfer by forming a strong bonding linkage, which endows it with the best performance of CO2 photoreduction. Our new finding of bismuth-based metal-organic framework/lead-free halide perovskite by cosharing atoms opens a new avenue for a novel preparation strategy of the heterojunction with atomic-level contact and potential applications in capture and photocatalytic conversion of CO2.
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Affiliation(s)
- Lan Ding
- Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, School of Ecology and Environment, Inner Mongolia University, Hohhot010021, Inner Mongolia, P. R. China
| | - Yongping Ding
- Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, School of Ecology and Environment, Inner Mongolia University, Hohhot010021, Inner Mongolia, P. R. China.,Department of Chemistry, Baotou Teachers' College, Baotou014030, Inner Mongolia, P. R. China
| | - Fenghua Bai
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot010021, Inner Mongolia, P. R. China
| | - Gonglai Chen
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot010021, Inner Mongolia, P. R. China
| | - Shuwei Zhang
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot010021, Inner Mongolia, P. R. China
| | - Xiaoxue Yang
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot010021, Inner Mongolia, P. R. China
| | - Huiqin Li
- Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, School of Ecology and Environment, Inner Mongolia University, Hohhot010021, Inner Mongolia, P. R. China
| | - Xiaojing Wang
- Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, School of Ecology and Environment, Inner Mongolia University, Hohhot010021, Inner Mongolia, P. R. China.,Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot010021, Inner Mongolia, P. R. China
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11
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Mao J, Wang L, Qu S, Zhang Y, Huang J, She H, Bai Y, Wang Q. Defect Engineering in CuS x/COF Hybridized Heterostructures: Synergistic Facilitation of the Charge Migration for an Efficacious Photocatalytic Conversion of CO 2 into CO. Inorg Chem 2022; 61:20064-20072. [PMID: 36449266 DOI: 10.1021/acs.inorgchem.2c03481] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
The photocatalytic CO2 reduction reaction (CO2RR) provides an attractive approach to tackling environmental issues. To actualize the optimal catalytic efficiency, one efficacious strategy is to rationally modulate the charge migration for the adopted heterogeneous catalysts. Herein, by virtue of a one-step hydrothermal method, Cu2S nanospheres and defect-rich Cu2S (CuSx) nanosheets are wrapped by a triazine-containing covalent framework (TP-TA COF), resulting in CuSx/TP-TA and Cu2S/TP-TA. Owing to the heterojunction construction that suppresses the carrier recombination, both hybridized structures present enhanced charge migration in comparison to that of their corresponding sulfides and COF constituents. It is worth emphasizing that CuSx/TP-TA proffers a significantly greater photocurrent than Cu2S/TP-TA. The subsequent photocatalytic reduction of CO2 also exhibits an apparently higher CO evolution rate, about 2.8 times higher than the Cu2S/TP-TA photocatalyst. The above evident improvement owes much to the heterostructure establishment between CuSx and TP-TA COF, as well as the synergistic effect provided by the defect engineering for CuSx, both of which are able to enhance the separation efficiency of photoinduced carriers. Our work sheds light on the rational construction of heterogeneous structures between organic and inorganic photocatalysts, which emphasizes the possible synergistic effect of defect centers for enhancing photocatalytic performance.
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Affiliation(s)
- Jiaxin Mao
- Key Laboratory of Eco-Environment-Related Polymer Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
| | - Lei Wang
- Key Laboratory of Eco-Environment-Related Polymer Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
| | - Siyan Qu
- Key Laboratory of Eco-Environment-Related Polymer Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
| | - Yang Zhang
- Key Laboratory of Eco-Environment-Related Polymer Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
| | - Jingwei Huang
- Key Laboratory of Eco-Environment-Related Polymer Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
| | - Houde She
- Key Laboratory of Eco-Environment-Related Polymer Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
| | - Yan Bai
- Key Laboratory of Eco-Environment-Related Polymer Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
| | - Qizhao Wang
- Key Laboratory of Eco-Environment-Related Polymer Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China.,School of Water and Environment, Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region of Ministry of Education, Chang'an University, Xi'an 710054, China
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12
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Su N, Zhu D, Zhang P, Fang Y, Chen Y, Fang Z, Zhou X, Li C, Dong H. 3D/2D Heterojunction Fabricated from RuS 2 Nanospheres Encapsulated in Polymeric Carbon Nitride Nanosheets for Selective Photocatalytic CO 2 Reduction to CO. Inorg Chem 2022; 61:15600-15606. [PMID: 36134910 DOI: 10.1021/acs.inorgchem.2c02421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Micro/nanostructure control of heterostructures is still a challenge for achieving high efficiency and selectivity of photocatalytic CO2 conversion. In this work, a new three-dimensiona/two-dimensional (3D/2D) heterostructure is fabricated by encapsulating RuS2 nanospheres in the interlayer of mesoporous polymeric carbon nitride (PCN) nanosheets based on an in situ growth and polymerization strategy. The unique microstructure of the obtained 3D/2D RuS2/PCN heterojunction can effectively improve the transfer and separation efficiency of photogenerated charge carriers, reduce the mass transfer resistance of CO2 toward active sites, and provide a confined reaction space, thus propelling the photocatalytic CO2 reduction to CO with high selectivity. The CO yield over the optimal 5%-RuS2/PCN sample reaches 4.2 and 2.8 times as high as that of single PCN and RuS2 within 4 h, respectively. Furthermore, the plausible charge transfer mechanism and CO2 reduction path are revealed by time-dependent in situ Fourier transform infrared (FT-IR) spectra combined with photophysical, electrochemical, and photoelectrochemical techniques and density functional theory (DFT) calculations. This work develops the microstructural engineering design strategy of PCN-based heterojunctions for selective photocatalytic CO2 fuel conversion.
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Affiliation(s)
- Nan Su
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Daqiang Zhu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Pingfan Zhang
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Yuhai Fang
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Yuxiang Chen
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Zhen Fang
- Biofuels Institute, School of Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Xiangtong Zhou
- School of Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Chunmei Li
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Hongjun Dong
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
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13
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Su H, Wang W, Jiang H, Sun L, Kong T, Lu Z, Tang H, Wang L, Liu Q. Boosting Interfacial Charge Transfer with a Giant Internal Electric Field in a TiO 2 Hollow-Sphere-Based S-Scheme Heterojunction for Efficient CO 2 Photoreduction. Inorg Chem 2022; 61:13608-13617. [PMID: 35980138 DOI: 10.1021/acs.inorgchem.2c02443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The construction of an S-scheme charge transfer pathway is considered to be a powerful way to inhibit charge recombination and maintain photogenerated carriers with high redox capacity to meet the kinetic requirements of the carbon dioxide (CO2) photoreduction reaction. For an S-scheme heterojunction, an internal electric field (IEF) is regarded as the main driving force for accelerating the interfacial spatial transfer of photogenerated charges. Herein, we designed a TiO2 hollow-sphere (TH)-based S-scheme heterojunction for efficient CO2 photoreduction, in which WO3 nanoparticles (WP) were applied as an oxidation semiconductor to form an intimate interfacial contact with the TH. The S-scheme charge transfer mode driven by a strong IEF for the TH/WP composite was confirmed by in situ X-ray photoelectron spectroscopy and ultraviolet photoelectron spectroscopy. As a result, abundant photogenerated electrons with strong reducing ability would take part in the CO2 reduction reaction. The combination of surface photovoltage spectra and transient photocurrent experiments disclosed that the IEF intensity and charge separation efficiency of the fabricated TH/WP composite were nearly 16.80- and 1.42-fold higher, respectively, than those of the pure TH. Furthermore, sufficient active sites provided by the hollow-sphere structure also enhanced the kinetics of the catalytic reaction. Consequently, the optimized TH/WP composite showed a peak level of CO production of 14.20 μmol g-1 in 3 h without the addition of any sacrificial agent. This work provides insights into the kinetic studies of the S-scheme charge transfer pathway for realizing high-performance CO2 photoreduction.
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Affiliation(s)
- Haiwei Su
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, P. R. China
| | - Weikang Wang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, P. R. China
| | - Haopeng Jiang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, P. R. China
| | - Lijuan Sun
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, P. R. China
| | - Tingting Kong
- College of Chemistry and Materials, Engineering Research Center of Carbon Neutrality, Anhui Normal University, Wuhu, Anhui 241002, P. R. China
| | - Zhongxi Lu
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, P. R. China
| | - Hua Tang
- School of Environmental Science and Engineering, Qingdao University, Qingdao, Shandong 266071, P. R. China
| | - Lele Wang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, P. R. China
| | - Qinqin Liu
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, P. R. China
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14
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Abdelhamid HN. Removal of Carbon Dioxide using Zeolitic Imidazolate Frameworks: Adsorption and Conversion via Catalysis. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6753] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Hani Nasser Abdelhamid
- Advanced Multifunctional Materials Laboratory, Department of Chemistry Assiut University Assiut Egypt
- Proteomics Laboratory for Clinical Research and Materials Science, Department of Chemistry Assiut University Assiut Egypt
- Nanotechnology Research Centre (NTRC) The British University in Egypt Cairo Egypt
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