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Li F, Wu Q, Yuan W, Chen Z. Ruthenium-based single atom catalysts: synthesis and application in the electrocatalytic hydrogen evolution reaction. Dalton Trans 2024. [PMID: 38952237 DOI: 10.1039/d4dt01285b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Electrocatalytic water splitting is a promising production method for green hydrogen; however, its practical application is limited by the lack of robust catalysts for the cathode hydrogen evolution reaction (HER). Recently, the use of Ru in electrocatalytic HER has become a research hotspot because Ru has a metal-hydrogen bond strength similar to that of Pt - known for its excellent HER activity - but has a lower cost than Pt. Numerous modification strategies are available to further improve the HER activity of metal Ru such as vulcanisation, phosphating and atomisation. The atomisation strategy has attracted much attention owing to its extremely high Ru atomic utilisation efficiency and tunable electronic structures. However, isolated studies could not effectively address the bottlenecks. Therefore, to promote the effective exploration of Ru-based single-atom catalysts and clarify the research status in this field, studies on related topics (e.g. Ru single-atom catalysts, Ru dual-atom catalysts, composite catalysts containing single-atom Ru and Ru nanoparticles) have been systematically and briefly summarised herein. Finally, the research challenges and prospects of Ru-based single-atom catalysts in the HER field have been discussed, which may provide valuable insights for further research.
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Affiliation(s)
- Feng Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China.
| | - Qikang Wu
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China.
| | - Wenjuan Yuan
- Wanjiang College, Anhui Normal University, Wuhu, 241008, China
| | - Zheng Chen
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China.
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China
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2
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Bhattacharyya S, R L, Mk R. Polymeric liposomes of emtricitabine employing modified pullulan-an attempt to reduce associated hepatotoxicity. J Liposome Res 2024:1-10. [PMID: 38946524 DOI: 10.1080/08982104.2024.2362352] [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: 03/11/2024] [Accepted: 05/27/2024] [Indexed: 07/02/2024]
Abstract
Emtricitabine (FTC) a BCS class I drug, is used for HIV prevention. The high solubility of the drug is the leading cause of severe hepatotoxicity and lactic acidosis. This research focuses on the use of modified pullulan for the preparation of polymeric liposomes of FTC. Modified pullulan was synthesized using cholesterol, and succinic anhydride in a controlled chemical environment. The formation of the polymer was established through analysis of spectra. Varying the drug-polymer ratio (1:1, 1:2, and 1:3), the drug-polymer composite was loaded in the vesicular system of soya phosphatidylcholine and cholesterol. Formulations were evaluated for drug entrapment, particle size, surface morphology, and in vitro and ex vivo drug release. An in vivo study of the pure drug and the best formulation on mice was conducted for 28 days following daily oral administration to evaluate the effect on liver and hematological parameters. The best formulation was further subjected to cytotoxicity study on hepatic cell lines. Spectral analysis confirmed the formation of modified pullulan. All formulations showed high drug entrapment in the nanovesicles. The in vitro and ex vivo drug release profiles depicted a controlled release of the drug. Hematological parameters were found to be under control in the animals throughout the experimentation. A comparative histopathology study on the livers and cytotoxicity study on hepatic cell lines revealed the safety of the best formulation over the pure drug. Hence it can be concluded that polymeric liposomes of FTC can be a promising mode of delivery to overcome its limitations.
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Affiliation(s)
- Sayani Bhattacharyya
- Department of Pharmaceutics, Krupanidhi College of Pharmacy, Bengaluru, Karnataka, India
| | - Lahari R
- Department of Pharmaceutics, Krupanidhi College of Pharmacy, Bengaluru, Karnataka, India
| | - Ranganath Mk
- Department of Pharmaceutical Analysis, Krupanidhi College of Pharmacy, Bengaluru, Karnataka, India
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3
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Liu K, Liao Y, Wang P, Fang X, Zhu J, Liao G, Xu X. Lattice capacity-dependent activity for CO 2 methanation: crafting Ni/CeO 2 catalysts with outstanding performance at low temperatures. NANOSCALE 2024; 16:11096-11108. [PMID: 38770828 DOI: 10.1039/d4nr01409j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
In the pursuit of understanding lattice capacity threshold effects of oxide solid solutions for their supported Ni catalysts, a series of Ca2+-doped CeO2 solid solutions with 10 wt% Ni loading (named Ni/CaxCe1-xOy) was prepared using a sol-gel method and used for CO2 methanation. The lattice capacity of Ca2+ in the lattice of CeO2 was firstly determined by the XRD extrapolation method, corresponding to a Ca/(Ca + Ce) molar ratio of 11%. When the amount of Ca2+ in the CaxCe1-xOy supports was close to the CeO2 lattice capacity for Ca2+ incorporation, the obtained Ni/Ca0.1Ce0.9Oy catalyst possessed the optimal intrinsic activity for CO2 methanation. XPS, Raman spectroscopy, EPR and CO2-TPD analyses revealed the largest amount of highly active moderate-strength alkaline centers generated by oxygen vacancies. The catalytic reaction mechanisms were revealed using in situ IR analysis. The results clearly demonstrated that the structure and reactivity of the Ni/CaxCe1-xOy catalyst exhibited the lattice capacity threshold effect. The findings offer a new venue for developing highly efficient oxide-supported Ni catalysts for low-temperature CO2 methanation reaction and enabling efficient catalyst screening.
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Affiliation(s)
- Kun Liu
- School of Resources and Environment, Nanchang University, 999 Xuefu Road, Nanchang, Jiangxi, 330031, China.
| | - Yixin Liao
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Rare Earths, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, China.
| | - Peng Wang
- Shandong Chambroad Petrochemicals Co., Ltd, Binzhou, Shandong 256500, China
| | - Xiuzhong Fang
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Rare Earths, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, China.
| | - Jia Zhu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
| | - Guangfu Liao
- College of Materials Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Xianglan Xu
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Rare Earths, School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, China.
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4
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Ma X, Zhang Q, Li J, Zhang L, Li G, Zhang Z, Yu H, Zhu M. Bimetallic Ag 125Cu 8 Nanocluster, Structure Determination, and Nonlinear Optical Properties. Inorg Chem 2024; 63:8775-8781. [PMID: 38696247 DOI: 10.1021/acs.inorgchem.4c00465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
The atomic precision of the subnanometer nanoclusters has provided sound proof on the structural correlation of metal complexes and larger-sized metal nanoparticles. Herein, we report the synthesis, crystallography, structural characterization, electrochemistry, and optical properties of a 133-atom intermetallic nanocluster protected by 57 thiolates (3-methylbenzenethiol, abbreviated as m-MBTH) and 3 chlorides, with the formula of Ag125Cu8(m-MBT)57Cl3. This is the largest Ag-Cu bimetallic cluster ever reported. Crystallographic analysis revealed that the nanocluster has a three-layer concentric core-shell structure, Ag7@Ag47@Ag71Cu8S57Cl3, and the Ag54 metal kernel adopts a D5h symmetry. The nuclei number is between that of the previously reported large silver cluster [Ag136(SR)64Cl3Ag0.45]- and the large silver-rich cluster Au130-xAgx(SR)55 (x = 98). All these three clusters bear a similar metallic core structure, while the main structural difference lies in the shell motif structures. Electron counting revealed an open electron shell with 73 delocalized electrons, which was verified by the electron paramagnetic resonance analysis. The DPV electrochemical measurement indicates a multielectron state quantization double-layer charging shape and single-electron sequential charging and discharging characteristic of the AgCu alloy cluster. In addition, the open-hole Z-scan test reveals the nonlinear optical absorption (2-3 optical absorption in the NIR-II/III region) of Ag125Cu8 nanoclusters.
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Affiliation(s)
- Xiangyu Ma
- Department of Chemistry and Centre for Atomic Engineering of Advanced Materials, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Hefei, Anhui 230601, P. R. China
- School of Materials Science and Engineering, Anhui University, Institute of Physical Science and Information Technology, Anhui Key Laboratory of Information Materials and Devices, Hefei, Anhui 230601, P. R. China
| | - Qiong Zhang
- Department of Chemistry and Centre for Atomic Engineering of Advanced Materials, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Hefei, Anhui 230601, P. R. China
| | - Jiale Li
- Department of Chemistry and Centre for Atomic Engineering of Advanced Materials, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Hefei, Anhui 230601, P. R. China
- School of Materials Science and Engineering, Anhui University, Institute of Physical Science and Information Technology, Anhui Key Laboratory of Information Materials and Devices, Hefei, Anhui 230601, P. R. China
| | - Lidi Zhang
- Department of Chemistry and Centre for Atomic Engineering of Advanced Materials, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Hefei, Anhui 230601, P. R. China
| | - Guang Li
- School of Materials Science and Engineering, Anhui University, Institute of Physical Science and Information Technology, Anhui Key Laboratory of Information Materials and Devices, Hefei, Anhui 230601, P. R. China
| | - Zhongjie Zhang
- Department of Chemistry and Centre for Atomic Engineering of Advanced Materials, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Hefei, Anhui 230601, P. R. China
- School of Materials Science and Engineering, Anhui University, Institute of Physical Science and Information Technology, Anhui Key Laboratory of Information Materials and Devices, Hefei, Anhui 230601, P. R. China
| | - Haizhu Yu
- Department of Chemistry and Centre for Atomic Engineering of Advanced Materials, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Hefei, Anhui 230601, P. R. China
| | - Manzhou Zhu
- Department of Chemistry and Centre for Atomic Engineering of Advanced Materials, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Hefei, Anhui 230601, P. R. China
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5
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Mohamad Ali B, Yu Z, Tao Z, Zhang T, Wang L, He C, Zhang H, Wang J. TEMPO-Grafted Polystyrene/Polymethacrylate Organosiloxane Janus Nanohybrids as Efficient Pickering Interfacial Catalyst for Selective Aerobic Oxidation of Cinnamyl Alcohol. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38624155 DOI: 10.1021/acsami.4c00645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
The novel 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) groups immobilized on functional polymers or nanoparticles emerged as potential Pickering interfacial catalysts (PICs) for effective catalysis in biphasic systems. In this study, a snowman-shaped Janus-structured polymer with TEMPO-anchored nanohybrid particles (SM-JPP-TEMPO) was prepared and employed as a potential PIC in the Anelli-Montanari system for the selective oxidation of alcohol. The amphiphilic character of SM-JPP-TEMPO particles plays a dual role as an emulsifier and catalyst in the Pickering emulsion. As a result, it enables smaller droplets (102 μm) at the water-in-oil (W/O) interface and reduces the interfacial tension from 26.58 to 17.38 mN/m, which improves the stability of the Pickering emulsion system. This constructed Pickering emulsion microreactor offers a larger interface contact area and shortens the mass transfer distance of the substrate of cinnamyl alcohol, which significantly enhances the catalytic conversion at the Anelli-Montanari oxidation system, thus achieving remarkable conversion efficiency of (92.3%) with excellent selectivity (99%) in static (stirring-free) condition. It was found that the Janus nanohybrid catalyst (SM-JPP-TEMPO) enhanced 1.29-fold catalytic efficiency compared to the TEMPO grafted spherical polystyrene nanoparticle (PS-NPs-TEMPO) catalyst (72%). Moreover, after seven consecutive cycles, the Janus nanocatalyst (SM-JPP-TEMPO) maintained the conversion significantly. Hence, these results collectively highlight that the amphiphilic SM-JPP-TEMPO catalyst provides an efficient and eco-friendly strategy for the intensification of liquid-liquid biphasic reaction systems for potential applications in industries.
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Affiliation(s)
- Badusha Mohamad Ali
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Ziqi Yu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Zhengyuan Tao
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Tangxin Zhang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Lei Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Chenbing He
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Hao Zhang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, PR China
| | - Jianli Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, PR China
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6
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Li R, Chen W, Li J, Zhang C, Sun Y, Tang X, Liu Y. Synthesis of the Ag 2S/PANI@PES Composite Membrane and Its Antipollution Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:5869-5877. [PMID: 38437509 DOI: 10.1021/acs.langmuir.3c03769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
Membrane separation technology offers a sustainable and efficient solution to wastewater management; however, membrane fouling significantly impedes its application. Photocatalytic membranes, integrating photocatalytic and membrane separation technologies, enhance membrane separation efficacy while effectively mitigating organic and biological contaminations. In this work, Ag2S/PANI@PES composite membranes were prepared via a facile in situ polymerization and successive layer adsorption technique. The modified poly(ether sulfone) (PES) membrane demonstrated improved hydrophilicity and separation performance, and its heterostructure between polyaniline (PANI), Ag0, and Ag2S effectively addressed organic fouling issues. Moreover, Ag2S/PANI@PES exhibited outstanding antimicrobial properties, as well as chemical and mechanical stability.
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Affiliation(s)
- Ruiqi Li
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Wenhang Chen
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Junqing Li
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Chunhong Zhang
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
- Yantai Research Institute of Harbin Engineering University, Yantai 26400, PR China
| | - Yueling Sun
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - XiaoYan Tang
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Yuan Liu
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
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7
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Chojnacka-Puchta L, Sawicka D, Zapor L, Miranowicz-Dzierzawska K. Assessing cytotoxicity and endoplasmic reticulum stress in human blood-brain barrier cells due to silver and copper oxide nanoparticles. J Appl Genet 2024:10.1007/s13353-024-00833-8. [PMID: 38332387 DOI: 10.1007/s13353-024-00833-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 02/10/2024]
Abstract
In recent years, it has been generally accepted that metal-based nanoparticles (NPs) may induce stress in the endoplasmic reticulum (ER), a key organelle where protein folding occurs. We examined ER stress in immortalized human cerebral microvascular cells (hCMEC/D3) after exposure to silver-NPs (Ag-NPs)- and copper oxide-NPs (CuO-NPs) induced toxicity at < 10 nm and < 40 nm or < 50 nm diameters, respectively. In cytotoxicity assessments, cells were exposed to different CuO-NPs (5-400 µg/mL) or Ag-NPs (1-10 µg/mL) concentration ranges for 24 h and 72 h, and tetrazole salt reduction assays (EZ4U) were performed. Also, Ag-NP or CuO-NP effects on cell proliferation, apoptosis (caspase 3/7 assays), and ER stress and cell morphology were evaluated. In ER stress assessments, RNA-like endoplasmic reticulum kinase (PERK), activating transcription factor 6 (ATF6), inositol-requiring enzyme 1 (IRE1a), and others stress factor mRNA levels were determined after 24 h treatment using Real-Time PCR. Increased stress sensors (IRE1a, PERK, and ATF6) mRNA levels were observed after exposure to Ag-NPs (< 10 and < 40 nm) or CuO-NPs (< 50 nm). We investigated the expression of tight junction (TJ) proteins (barrier junctions) and showed that both types of NP reduced of OCLN gene expression. Morphological changes were observed after Ag-NP or CuO-NP exposure using holotomographic microscopy. Our data suggest that Ag- and CuO-NPs should undergo future in vitro and in vivo toxicology studies, especially for downstream biomedical application and occupational risk assessments.
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Affiliation(s)
- Luiza Chojnacka-Puchta
- Central Institute for Labour Protection - National Research Institute, Czerniakowska 16, 00-701, Warsaw, Poland.
| | - Dorota Sawicka
- Central Institute for Labour Protection - National Research Institute, Czerniakowska 16, 00-701, Warsaw, Poland
| | - Lidia Zapor
- Central Institute for Labour Protection - National Research Institute, Czerniakowska 16, 00-701, Warsaw, Poland
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8
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Qiao Y, Sun C, Jian J, Zhou T, Xue X, Shi J, Zhao L, Liao G. Multifunctional Luminescent 3D Ln-MOFs with High Sensitivity for Trace Detection of Micronutrients. Inorg Chem 2024; 63:2060-2071. [PMID: 38232754 DOI: 10.1021/acs.inorgchem.3c03838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
The synthesis of two versatile fluorescent metal-organic frameworks (MOFs), [Eu(4-NCP)(1,4-bdc)]n·0.5H2O (1) and [Eu(4-NCP)(4,4'-bpdc)]n·0.75H2O (2) (HNCP = 2-(4-carboxyphenyl)imidazo(4,5-f)-(1,10)phenanthroline, 1,4-H2bdc = benzene-1,4-dicarboxylic acid, 4,4'-H2bpdc = 4,4'-biphenyldicarboxylic acid), was carried out using a hydrothermal method. These MOFs were characterized through various advanced technologies to determine their structural information. The results indicate that both MOFs exhibited 3D network structures with specific topologies. Furthermore, these MOFs demonstrated exceptional thermal stabilities and adsorption capabilities. Additionally, complex 2 was utilized for studying the fluorescence sensing properties of various micronutrients including metal ions, nitro aromatic compounds, and biological small molecules. Notably, complex 2 showed promising potential as a multifunctional sensor for selectively detecting Fe3+, nitrobenzene, and ascorbic acid in aqueous solutions through fluorescence quenching with low limits of detection (LODs ∼ 10-7 M) and high quenching constants (Ksv ∼ 103 M-1). Moreover, the detection mechanism of complex 2 was further investigated by using experimental methods and DFT calculations.
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Affiliation(s)
- Yu Qiao
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Jilin Normal University, Siping 136000, China
| | - Chang Sun
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Jilin Normal University, Siping 136000, China
| | - Juan Jian
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Jilin Normal University, Siping 136000, China
| | - Tianyu Zhou
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Jilin Normal University, Siping 136000, China
| | - Xiangxin Xue
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Jilin Normal University, Siping 136000, China
| | - Jinghui Shi
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Jilin Normal University, Siping 136000, China
| | - Lina Zhao
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Jilin Normal University, Siping 136000, China
| | - Guangfu Liao
- College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China
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9
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Pang X, Li Y, Wu X, Zhang B, Hao M, Zhu Y, Zhang Y, Qin C, Zhan H, Qin C. Phosphate ester functionalized fluorene-benzothiadiazole alternating copolymer/hydroxylated g-C 3N 4 heterojunctions for efficient hydrogen evolution under visible-light irradiation. J Colloid Interface Sci 2023; 652:1405-1416. [PMID: 37659309 DOI: 10.1016/j.jcis.2023.08.153] [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: 06/08/2023] [Revised: 08/17/2023] [Accepted: 08/24/2023] [Indexed: 09/04/2023]
Abstract
It is highly desirable to explore functionalized polymer semiconductor/g-C3N4 heterojunction photocatalysts with the tight interfacial connection for promoting the photogenerated electron-hole pair separation, improving the hydrophilicity, extending the visible light response and achieving the efficient visible light-driven H2 evolution. Herein, we synthesized novel poly[9,9-bis(3-ethyl phosphate propyl)fluorene-alt-benzothiadiazole] (PPFBT) with a phosphate ester on every repeating unit by the Suzuki polymerization and then fabricated PPFBT/hydroxylated g-C3N4 (PPFBT/CN-OH) heterojunctions via a surface hydroxyl-induced assembly process. The ratio-optimized 5PPFBT/CN-OH shows the hydrogen evolution activity of 2662.4 μmol·g-1·h-1, an 11.1-time enhancement compared to CN-OH. The improved photocatalytic activity is mainly attributed to the enhanced electron-hole pair separation due to the tight interfacial connection by hydrogen bond (P=O…H-O) and N…S interactions between PPFBT and CN-OH. It is verified that abundant phosphate ester groups of PPFBT improve the hydrophilicity and form coordination bonds with platinum (P=O:Pt) as a cocatalyst to facilitate water splitting for H2 evolution. It is also confirmed that the enhanced electron-hole pair separation is mainly dependent on the excited high-energy level electron transfer from CN-OH to PPFBT. This work provides a rational molecular design strategy for constructing efficient functionalized polymer semiconductor/g-C3N4 heterojunctions for sunlight-driven H2 evolution.
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Affiliation(s)
- Xulong Pang
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), School of Chemistry and Materials Science, International Joint Research Center for Catalytic Technology, Heilongjiang University, Harbin 150080, People's Republic of China
| | - Yong Li
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), School of Chemistry and Materials Science, International Joint Research Center for Catalytic Technology, Heilongjiang University, Harbin 150080, People's Republic of China
| | - Xiaofu Wu
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People's Republic of China
| | - Bingmiao Zhang
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), School of Chemistry and Materials Science, International Joint Research Center for Catalytic Technology, Heilongjiang University, Harbin 150080, People's Republic of China
| | - Ming Hao
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), School of Chemistry and Materials Science, International Joint Research Center for Catalytic Technology, Heilongjiang University, Harbin 150080, People's Republic of China
| | - Yan Zhu
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), School of Chemistry and Materials Science, International Joint Research Center for Catalytic Technology, Heilongjiang University, Harbin 150080, People's Republic of China
| | - Yi Zhang
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), School of Chemistry and Materials Science, International Joint Research Center for Catalytic Technology, Heilongjiang University, Harbin 150080, People's Republic of China
| | - Chuanjiang Qin
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People's Republic of China
| | - Hongmei Zhan
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People's Republic of China
| | - Chuanli Qin
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), School of Chemistry and Materials Science, International Joint Research Center for Catalytic Technology, Heilongjiang University, Harbin 150080, People's Republic of China.
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10
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Wolff N, Loza K, Heggen M, Schaller T, Niemeyer F, Bayer P, Beuck C, Oliveira CLP, Prymak O, Weidenthaler C, Epple M. Ultrastructure and Surface Composition of Glutathione-Terminated Ultrasmall Silver, Gold, Platinum, and Alloyed Silver-Platinum Nanoparticles (2 nm). Inorg Chem 2023; 62:17470-17485. [PMID: 37820300 DOI: 10.1021/acs.inorgchem.3c02879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
Alloyed ultrasmall silver-platinum nanoparticles (molar ratio Ag:Pt = 50:50) were prepared and compared to pure silver, platinum, and gold nanoparticles, all with a metallic core diameter of 2 nm. They were surface-stabilized by a layer of glutathione (GSH). A comprehensive characterization by high-resolution transmission electron microscopy (HRTEM), electron diffraction (ED), X-ray diffraction (XRD), small-angle X-ray scattering (SAXS), differential centrifugal sedimentation (DCS), and UV spectroscopy showed their size both in the dry and in the water-dispersed state (hydrodynamic diameter). Solution NMR spectroscopy (1H, 13C, COSY, HSQC, HMBC, and DOSY) showed the nature of the glutathione shell including the number of GSH ligands on each nanoparticle (about 200 with a molecular footprint of 0.063 nm2 each). It furthermore showed that there are at least two different positions for the GSH ligand on the gold nanoparticle surface. Platinum strongly reduced the resolution of the NMR spectra compared to silver and gold, also in the alloyed nanoparticles. X-ray photoelectron spectroscopy (XPS) showed that silver, platinum, and silver-platinum particles were at least partially oxidized to Ag(+I) and Pt(+II), whereas the gold nanoparticles showed no sign of oxidation. Platinum and gold nanoparticles were well crystalline but twinned (fcc lattice) despite the small particle size. Silver was crystalline in electron diffraction but not in X-ray diffraction. Alloyed silver-platinum nanoparticles were almost fully amorphous by both methods, indicating a considerable internal disorder.
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Affiliation(s)
- Natalie Wolff
- Inorganic Chemistry and Centre for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Essen 45117, Germany
| | - Kateryna Loza
- Inorganic Chemistry and Centre for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Essen 45117, Germany
| | - Marc Heggen
- Ernst-Ruska Centre for Microscopy and Spectroscopy with Electrons, Forschungszentrum Jülich GmbH, Jülich 52428, Germany
| | - Torsten Schaller
- Organic Chemistry, University of Duisburg-Essen, Essen 45117, Germany
| | - Felix Niemeyer
- Organic Chemistry, University of Duisburg-Essen, Essen 45117, Germany
| | - Peter Bayer
- Structural and Medicinal Biochemistry, University of Duisburg-Essen, Essen 45117, Germany
| | - Christine Beuck
- Structural and Medicinal Biochemistry, University of Duisburg-Essen, Essen 45117, Germany
| | | | - Oleg Prymak
- Inorganic Chemistry and Centre for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Essen 45117, Germany
| | - Claudia Weidenthaler
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr 45470, Germany
| | - Matthias Epple
- Inorganic Chemistry and Centre for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Essen 45117, Germany
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11
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Eslamieh-Ei FM, Sharifimoghaddammood N, Poustchi Tousi SA, Basharkhah S, Mottaghipisheh J, Es-Haghi A, Taghavizadeh Yazdi ME, Iriti M. Synthesis and its characterisation of selenium/silver/chitosan and cellular toxicity against liver carcinoma cells studies. Nat Prod Res 2023:1-9. [PMID: 37708315 DOI: 10.1080/14786419.2023.2256023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 08/23/2023] [Accepted: 09/02/2023] [Indexed: 09/16/2023]
Abstract
Liver cancer is one of the most common lethal malignancy in the world. To treat liver cancer, new cure options are crucial. The use of natural substances along nanosciences may provide healing with lower toxicity and a smaller amount of side properties. In this research, The three-component selenium-silver-chitosan nanocomposite (Se-Ag-CS NCs) were synthesised with the help of ultrasound in a stepwise manner. The as-synthesised Se-Ag-CS NCs were characterised accordingly by applying powder X-Ray diffraction (PXRD), Fourier transforms infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM), energy dispersive x-ray analysis (EDX), transmission electron microscopy (TEM), dynamic light scattering (DLS) and potential. The PXRD demonstrated that the NCs were synthesised successfully and the grain sizes of 27.3 were obtained. The FESEM and TEM analyses have shown the NCs have a nano-sized structure with spherical and rod-like morphologies in a coating of CS. The DLS analysis also revealed that NCs were synthesised in nanoscale particles. The NCs' surface charge was also positive due to the presence of chitosan. Different concentrations of NCs (0, 0.125, 0.250, 0.500, and 1 mg/ml) were tested at different times (24, 48, and 72 h) to measure cytotoxicity against liver cancer cells. The results showed at a concentration of 1 mg/mL in 72 h, the most toxicity effects were applied to liver cancer cells. Moreover, the results indicated NCs can inhibit the growth of cancer cells in a dose-dependent manner, while the toxicity of nanocomposite on normal cells was less. It is important to create nanocomposites derived from natural polymers as a new strategy in cancer treatment that can fight cancer cells while having low toxicity for normal cells. Therefore, the present results can be considered in improving cancer-fighting methods.
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Affiliation(s)
| | | | | | - Samira Basharkhah
- Department of Biochemistry, Faculty of Science, Payame Noor University, Mashhad, Iran
| | - Javad Mottaghipisheh
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
| | - Ali Es-Haghi
- Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | | | - Marcello Iriti
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milan, Italy
- National Interuniversity Consortium of Materials Science and Technology, Firenze, Italy
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12
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Huang MS, Cheng HT, Hsu SW. Effect of morphologies and compositions of silver-based multicomponent heterogeneous nanocrystals on the reduction of 4-nitrophenol. NANOSCALE ADVANCES 2023; 5:4968-4978. [PMID: 37705769 PMCID: PMC10496911 DOI: 10.1039/d3na00473b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 08/11/2023] [Indexed: 09/15/2023]
Abstract
Silver-based nanocrystals have excellent catalytic performance in various reactions, such as the reduction of 4-nitrophenol. The catalytic performance of nanocrystals varies with several parameters, including nanocrystal morphology, composition, and plasmon-induced hot electrons around nanocrystals. Here, highly heterogeneous nanocrystals (Au-Ag and Ag2S-Ag nanocrystals) fabricated on polymer films via a seed-mediated method are used as catalysts for the reduction of 4-nitrophenol, and the effect of the morphology and composition of nanocrystals on the catalytic performance is investigated. These nanocrystals on polymer films exhibit higher reusability (low catalyst loss) in catalytic applications compared to catalysts dispersed freely in the reaction solution. The excellent catalyst performance of these heterogeneous nanocrystals is attributed to their high surface area/volume ratio (flower-like nanocrystals) and strong synergistic effect (cage-like nanocrystals). These nanocrystals with special morphologies and composites showed higher catalytic performance (higher reactivity at lower catalyst contents) than silver-based nanocrystals reported in the literature. Due to the excellent plasmonic properties of Ag nanocrystals, the catalytic performance of these nanocrystals can be further enhanced by generating hot electrons around the nanocrystals under irradiation. These results demonstrated that by carefully controlling the morphology and composition of nanocrystals, it is possible to design and fabricate excellent catalysts for various reactions.
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Affiliation(s)
- Ming-Shiuan Huang
- Department of Chemical Engineering, National Cheng Kung University, Taiwan No. 1 University Road, East Dist. Tainan City 70101 Taiwan ROC
| | - Hsien-Tai Cheng
- Department of Chemical Engineering, National Cheng Kung University, Taiwan No. 1 University Road, East Dist. Tainan City 70101 Taiwan ROC
| | - Su-Wen Hsu
- Department of Chemical Engineering, National Cheng Kung University, Taiwan No. 1 University Road, East Dist. Tainan City 70101 Taiwan ROC
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13
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Sarkar DK, Selvanathan V, Mottakin M, Hasan AKM, Islam MA, Almohamadi H, Alharthi NH, Akhtaruzzaman M. Phytochemical-assisted green synthesis of CuFeO x nano-rose electrocatalysts for oxygen evolution reaction in alkaline media. RSC Adv 2023; 13:19130-19139. [PMID: 37362330 PMCID: PMC10288342 DOI: 10.1039/d3ra02512h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 06/07/2023] [Indexed: 06/28/2023] Open
Abstract
This study represents a green synthesis method for fabricating an oxygen evolution reaction (OER) electrode by depositing two-dimensional CuFeOx on nickel foam (NF). Two-dimensional CuFeOx was deposited on NF using in situ hydrothermal synthesis in the presence of Aloe vera extract. This phytochemical-assisted synthesis of CuFeOx resulted in a unique nano-rose-like morphology (petal diameter 30-70 nm), which significantly improved the electrochemical surface area of the electrode. The synthesized electrode was analyzed for its OER electrocatalytic activity and it was observed that using 75% Aloe vera extract in the phytochemical-assisted synthesis of CuFeOx resulted in improved OER electrocatalytic performance by attaining an overpotential of 310 mV for 50 mA cm-2 and 410 mV for 100 mA cm-2. The electrode also sustained robust stability throughout the 50 h of chronopotentiometry studies under alkaline electrolyte conditions, demonstrating its potential as an efficient OER electrode material. This study highlights the promising use of Aloe vera extract as a green and cost-effective way to synthesize efficient OER electrode materials.
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Affiliation(s)
- D K Sarkar
- Solar Energy Research Institute, Universiti Kebangsaan Malaysia Bangi Selangor Darul Ehsan 43600 Malaysia
- Department of Applied Chemistry and Chemical Engineering, Rajshahi University Rajshahi-6205 Bangladesh
| | - V Selvanathan
- Institute of Sustainable Energy, Universiti Tenaga Nasional (The Energy University) Jalan Ikram-Uniten Kajang 43000 Selangor Malaysia
| | - M Mottakin
- Solar Energy Research Institute, Universiti Kebangsaan Malaysia Bangi Selangor Darul Ehsan 43600 Malaysia
- Department of Applied Chemistry and Chemical Engineering, Bangabandhu Sheikh Mujibur Rahman Science and Technology University Gopalganj-8100 Bangladesh
| | - A K Mahmud Hasan
- Solar Energy Research Institute, Universiti Kebangsaan Malaysia Bangi Selangor Darul Ehsan 43600 Malaysia
| | - Md Ariful Islam
- Solar Energy Research Institute, Universiti Kebangsaan Malaysia Bangi Selangor Darul Ehsan 43600 Malaysia
| | - Hamad Almohamadi
- Department of Chemical Engineering, Faculty of Engineering, Islamic University of Madinah Madinah Saudi Arabia
| | - Nabeel H Alharthi
- Department of Mechanical Engineering, Faculty of Engineering, Islamic University of Madinah Madinah Saudi Arabia
- Department of Mechanical Engineering, College of Engineering, King Saud University Riyadh 11421 Saudi Arabia
| | - Md Akhtaruzzaman
- Solar Energy Research Institute, Universiti Kebangsaan Malaysia Bangi Selangor Darul Ehsan 43600 Malaysia
- Graduate School of Pure and Applied Sciences, University of Tsukuba Tsukuba Ibaraki 305-8573 Japan
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14
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Wu Q, Yang X, Yang J, Liu P, Ding G, Chen Z, Liao G. Size effect of ruthenium nanoparticles on water cracking properties with different crystal planes for boosting electrocatalytic hydrogen evolution. J Colloid Interface Sci 2023; 644:238-245. [PMID: 37119641 DOI: 10.1016/j.jcis.2023.04.076] [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: 03/06/2023] [Revised: 04/01/2023] [Accepted: 04/18/2023] [Indexed: 05/01/2023]
Abstract
Small size ruthenium (Ru) nanoparticles have shown remarkable potential for electrocatalytic hydrogen evolution reaction (HER). Nevertheless, the complicated preparation and relatively low activity of small size Ru nanoparticles are two key challenges. In this work, carbon nanotubes supported Ru nanoparticles catalysts (cnts@NC-Ru t °C) with different sizes were prepared via using the combination of L-3,4-dihydroxyphenylalanine (l-dopa) self-polymerization oxidation reaction and different high temperature annealing to study the variation of particle activity with size. Electrochemical test results showed that the optimized cnts@NC-Ru 700 °C catalyst exhibited a very low overpotential at 10 mA/cm2 (21 mV) and tafel slope of 34.93 mV/dec when the mass loading of precious metal per unit area was merely 12.11 μg/cm2 that surpassed most recently reported high-performance Ru based catalyst. The results of density functional theory (DFT) calculation showed that small Ru nanoparticles had abundant active sites, and the H2O dissociation on small Ru nanoparticles (110) surface is quite easy than other surfaces, while (111) surface of small Ru nanoparticles is beneficial for Tafel step of HER. The synergy between (110) and (111) surfaces on the Ru cluster contributes to its outstanding HER performance. This study provides a novel design idea in promoting the preparation method and uncovering the reason of high activity of small size Ru nanoparticles.
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Affiliation(s)
- Qikang Wu
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, PR China
| | - Xiaobo Yang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, PR China
| | - Jing Yang
- School of Energy & Power Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China
| | - Pengfei Liu
- Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, PR China
| | - Guixiang Ding
- College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Zheng Chen
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, PR China; State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, PR China.
| | - Guangfu Liao
- College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China.
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15
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Ivanišević I. The Role of Silver Nanoparticles in Electrochemical Sensors for Aquatic Environmental Analysis. SENSORS (BASEL, SWITZERLAND) 2023; 23:3692. [PMID: 37050752 PMCID: PMC10099384 DOI: 10.3390/s23073692] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/30/2023] [Accepted: 03/31/2023] [Indexed: 06/19/2023]
Abstract
With rapidly increasing environmental pollution, there is an urgent need for the development of fast, low-cost, and effective sensing devices for the detection of various organic and inorganic substances. Silver nanoparticles (AgNPs) are well known for their superior optoelectronic and physicochemical properties, and have, therefore, attracted a great deal of interest in the sensor arena. The introduction of AgNPs onto the surface of two-dimensional (2D) structures, incorporation into conductive polymers, or within three-dimensional (3D) nanohybrid architectures is a common strategy to fabricate novel platforms with improved chemical and physical properties for analyte sensing. In the first section of this review, the main wet chemical reduction approaches for the successful synthesis of functional AgNPs for electrochemical sensing applications are discussed. Then, a brief section on the sensing principles of voltammetric and amperometric sensors is given. The current utilization of silver nanoparticles and silver-based composite nanomaterials for the fabrication of voltammetric and amperometric sensors as novel platforms for the detection of environmental pollutants in water matrices is summarized. Finally, the current challenges and future directions for the nanosilver-based electrochemical sensing of environmental pollutants are outlined.
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Affiliation(s)
- Irena Ivanišević
- Department of General and Inorganic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10000 Zagreb, Croatia
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16
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Zhang H, Ma J, Zhang J, Strathmann TJ. ABNO-Functionalized Silica as an Efficient Catalyst for Enhancing Permanganate Oxidation of Emerging Contaminants. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:635-642. [PMID: 36521109 DOI: 10.1021/acs.est.2c06978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Recent reports indicate that some soluble electron-shuttling compounds (or organic mediators) can accelerate reactions between permanganate (Mn(VII)) and contaminants of emerging concern. However, practical application is limited to homogeneous electron-shuttling compounds. This study reports on the development and application of a heterogeneous electron-shuttling catalyst for Mn(VII) reactions with bisphenol A (BPA). First, we screened a series of poly/monocyclic nitroxides, finding that 9-azabicyclo[3.3.1]nonane N-oxyl (ABNO) provides the most significant enhancement of Mn(VII)/BPA reaction kinetics, where Mn(VII) oxidizes ABNO to BPA-reactive ABNO+. Next, we immobilized ABNO onto silica (SiO2) by covalent bonding of 9-azabicyclo[3,3,1]nonan-3-one-9-oxyl (keto-ABNO) via a 3-aminopropyltriethoxysilane bridge to yield an ABNO@SiO2 heterogeneous catalyst. The performance of ABNO@SiO2 in catalyzing Mn(VII)/BPA reactions is demonstrated, with BPA reaction kinetics being highly dependent on catalyst dosage and pH conditions. The stability of ABNO@SiO2 was retained at pH 5.0 and decreased slightly at pH 7.0 over five successive Mn(VII)/BPA reaction cycles. Kinetics modeling shows that BPA reacts with immobilized ABNO+, Mn(VII), and in situ formed MnO2. Moreover, ABNO+ can form via ABNO reactions with both Mn(VII) and the in situ formed MnO2. These results indicate a promising strategy for developing practical heterogeneous catalysts for enhancing Mn(VII) reactivity and treatment applications.
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Affiliation(s)
- Honglong Zhang
- School of Environment, Harbin Institute of Technology, Harbin150090, P. R. China
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing100084, P. R. China
| | - Jun Ma
- School of Environment, Harbin Institute of Technology, Harbin150090, P. R. China
| | - Jing Zhang
- School of Environment, Harbin Institute of Technology, Harbin150090, P. R. China
| | - Timothy J Strathmann
- Department of Civil and Environmental Engineering, Colorado School of Mines, 1500 Illinois Street, Golden, Colorado80401, United States
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17
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Wang M, Shu T, Ge X, Hu J, Liang Y. Millimeter‐Sized Hierarchical Porous Titanosilicate Supported Ultrafine Ag Nanoparticles as Highly Efficient Catalyst. ChemistrySelect 2022. [DOI: 10.1002/slct.202202260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Minghui Wang
- Department of Chemistry School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 PR China
| | - Ting Shu
- Department of Chemistry School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 PR China
| | - Xinfeng Ge
- Department of Chemistry School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 PR China
| | - Jun Hu
- Department of Chemistry School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 PR China
| | - Yunxiao Liang
- Department of Chemistry School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 PR China
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18
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Renewable plant-derived lignin for electrochemical energy systems. Trends Biotechnol 2022; 40:1425-1438. [PMID: 35989111 DOI: 10.1016/j.tibtech.2022.07.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/26/2022] [Accepted: 07/29/2022] [Indexed: 01/21/2023]
Abstract
Lignin, as one of the most abundant natural polymers, has been proved to be a promising material for the construction of high-performance electrochemical energy systems, including electrodes, electrolytes, and separators, because of their low-cost and sustainable natures and unique structure with abundant functional group. In this review article, we outline some key contributions in this field such as fundamental principles and various electrochemical energy systems including rechargeable batteries, supercapacitors, solar cells, and fuel cells. At the same time, we also point out the significant scientific discussion and critical barriers for lignin-based materials for electrochemical energy systems and also provides feasible strategies for preparing new sustainable energy materials.
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19
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Construction of hierarchical Co, Fe Co-doped MoS2/polypyrrole heterostructure as an efficient bifunctional catalyst for enzyme-like and nitrophenol catalysis. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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20
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Poly Schiff-base based on polyimides functionalized with magnetic nanoparticles as novel sorbent for magnetic solid-phase extraction of non-steroidal anti-inflammatory drugs in environmental water samples. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Facile synthesis of pure silicon zeolite-confined silver nanoparticles and their catalytic activity for the reduction of 4-nitrophenol and methylene blue. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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22
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Nest-like Ag-doped NiMoO4/NF with rich oxygen vacancies as robust catalysts for highly efficient oxygen evolution. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.10.046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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23
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Liu G, Hou F, Wang X, Fang B. Robust Porous TiN Layer for Improved Oxygen Evolution Reaction Performance. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15217602. [PMID: 36363193 PMCID: PMC9653776 DOI: 10.3390/ma15217602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/19/2022] [Accepted: 10/27/2022] [Indexed: 05/07/2023]
Abstract
The poor reversibility and slow reaction kinetics of catalytic materials seriously hinder the industrialization process of proton exchange membrane (PEM) water electrolysis. It is necessary to develop high-performance and low-cost electrocatalysts to reduce the loss of reaction kinetics. In this study, a novel catalyst support featured with porous surface structure and good electronic conductivity was successfully prepared by surface modification via a thermal nitriding method under ammonia atmosphere. The morphology and composition characterization-confirmed that a TiN layer with granular porous structure and internal pore-like defects was established on the Ti sheet. Meanwhile, the conductivity measurements showed that the in-plane electronic conductivity of the as-developed material increased significantly to 120.8 S cm−1. After IrOx was loaded on the prepared TiN-Ti support, better dispersion of the active phase IrOx, lower ohmic resistance, and faster charge transfer resistance were verified, and accordingly, more accessible catalytic active sites on the catalytic interface were developed as revealed by the electrochemical characterizations. Compared with the IrOx/Ti, the as-obtained IrOx/TiN-Ti catalyst demonstrated remarkable electrocatalytic activity (η10 mA cm−2 = 302 mV) and superior stability (overpotential degradation rate: 0.067 mV h−1) probably due to the enhanced mass adsorption and transport, good dispersion of the supported active phase IrOx, increased electronic conductivity and improved corrosion resistance provided by the TiN-Ti support.
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Affiliation(s)
- Gaoyang Liu
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
- Correspondence: (G.L.); (B.F.)
| | - Faguo Hou
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Xindong Wang
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Baizeng Fang
- Department of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada
- Correspondence: (G.L.); (B.F.)
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24
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Lin S, Mi X, Xi L, Li J, Yan L, Fu Z, Zheng H. Efficient Reduction Photocatalyst of 4-Nitrophenol Based on Ag-Nanoparticles-Doped Porous ZnO Heterostructure. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12162863. [PMID: 36014728 PMCID: PMC9415390 DOI: 10.3390/nano12162863] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 08/09/2022] [Accepted: 08/14/2022] [Indexed: 05/14/2023]
Abstract
Oxide-supported Ag nanoparticles have been widely reported as a good approach to improve the stability and reduce the cost of photocatalysts. In this work, a Ag-nanoparticles-doped porous ZnO photocatalyst was prepared by using metal-organic frameworks as a sacrificial precursor and the catalytic activity over 4-nitrophenol was determined. The Ag-nanoparticles-doped porous ZnO heterostructure was evaluated by UV, XRD, and FETEM, and the catalytic rate constant was calculated by the change in absorbance value at 400 nm of 4-nitrophenol. The photocatalyst with a heterogeneous structure is visible, light-responsive, and beneficial to accelerating the catalytic rate. Under visible light irradiation, the heterostructure showed excellent catalytic activity over 4-nitrophenol due to the hot electrons induced by the localized surface plasmon resonance of Ag nanoparticles. Additionally, the catalytic rates of 4 nm/30 nm Ag nanoparticles and porous/nonporous ZnO were compared. We found that the as-prepared Ag-nanoparticles-doped porous ZnO heterostructure catalyst showed enhanced catalytic performance due to the synergetic effect of Ag nanoparticles and porous ZnO. This study provides a novel heterostructure photocatalyst with potential applications in solar energy and pollutant disposal.
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25
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Wang Y, Sztranyovszky Z, Zilli A, Albrecht W, Bals S, Borri P, Langbein W. Quantitatively linking morphology and optical response of individual silver nanohedra. NANOSCALE 2022; 14:11028-11037. [PMID: 35866565 PMCID: PMC9351607 DOI: 10.1039/d2nr02131e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 07/08/2022] [Indexed: 05/25/2023]
Abstract
The optical response of metal nanoparticles is governed by plasmonic resonances, which are dictated by the particle morphology. A thorough understanding of the link between morphology and optical response requires quantitatively measuring optical and structural properties of the same particle. Here we present such a study, correlating electron tomography and optical micro-spectroscopy. The optical measurements determine the scattering and absorption cross-section spectra in absolute units, and electron tomography determines the 3D morphology. Numerical simulations of the spectra for the individual particle geometry, and the specific optical set-up used, allow for a quantitative comparison including the cross-section magnitude. Silver nanoparticles produced by photochemically driven colloidal synthesis, including decahedra, tetrahedra and bi-tetrahedra are investigated. A mismatch of measured and simulated spectra is found in some cases when assuming pure silver particles, which is explained by the presence of a few atomic layers of tarnish on the surface, not evident in electron tomography. The presented method tightens the link between particle morphology and optical response, supporting the predictive design of plasmonic nanomaterials.
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Affiliation(s)
- Yisu Wang
- School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3AX, UK
| | - Zoltan Sztranyovszky
- School of Physics and Astronomy, Cardiff University, The Parade, Cardiff CF24 3AA, UK.
| | - Attilio Zilli
- School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3AX, UK
- Department of Physics, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
| | - Wiebke Albrecht
- EMAT and NANOlab Center of Excellence, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Sara Bals
- EMAT and NANOlab Center of Excellence, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Paola Borri
- School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3AX, UK
| | - Wolfgang Langbein
- School of Physics and Astronomy, Cardiff University, The Parade, Cardiff CF24 3AA, UK.
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Design and preparation of nanoarchitectonics of LDH/polymer composite with particular morphology as catalyst for green synthesis of imidazole derivatives. Sci Rep 2022; 12:11288. [PMID: 35787674 PMCID: PMC9253321 DOI: 10.1038/s41598-022-15582-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 06/27/2022] [Indexed: 11/08/2022] Open
Abstract
This paper was designed and prepared a new nanoarchitectonics of LDH/polymer composite with specific morphology. For this purpose, CTAB surfactant was used to control the morphology of layered double hydroxide (LDH) and to prepare LDH/polymer nanocomposites (LDH-APS-PEI-DTPA). The polymer was synthesized using diethylenetriaminepentaacetic acid (DTPA), polyethylenimine and used with LDH to form a nanocomposite with high thermal stability. Subsequently, the prepared nanocomposite was identified using FTIR, EDX, TGA, XRD, FESEM, and BET techniques. In addition, the prepared LDH-APS-PEI-DTPA nanocomposite was used as a heterogeneous and recyclable catalyst for the synthesis of imidazole derivatives under green conditions. The results showed that the LDH-APS-PEI-DTPA nanocomposite benefit from suitable morphology, simple preparation, high catalytic activity, and high surface area. Also, the proposed LDH-APS-PEI-DTPA heterogeneous catalyst showed high stability and reusability for five consecutive runs which was consistent with the principles of green chemistry.
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Amino-functionalized nitrogen-doped graphene quantum dots and silver-graphene based nanocomposites: Ultrafast charge transfer and a proof-of-concept study for bioimaging applications. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113741] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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28
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Silver nanoparticles modified electrodes for electroanalysis: An updated review and a perspective. Microchem J 2022. [DOI: 10.1016/j.microc.2021.107166] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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29
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Yang M, Zhu H, Zheng Y, Zhang C, Luo G, Xu Q, Li Q, Zhang S, Goto T, Tu R. One-step chemical vapor deposition fabrication of Ni@NiO@graphite nanoparticles for the oxygen evolution reaction of water splitting. RSC Adv 2022; 12:10496-10503. [PMID: 35424973 PMCID: PMC8982024 DOI: 10.1039/d2ra00947a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 03/22/2022] [Indexed: 11/21/2022] Open
Abstract
NiO combined with conductive materials is a practicable way to improve its catalytic property for the oxygen evolution reaction (OER) by enhancing its electrical conductivity. Herein, Ni@NiO@graphite nanoparticles less than 20 nm in average diameter were synthesized by a one-step chemical vapor deposition process. Due to the deliberately controlled lack of oxygen, Ni particles and carbon clusters decomposed from NiCp2 precursors were oxidized incompletely and formed Ni@NiO core–shell nanoparticles coated by a graphite layer. The thickness of the graphite layer and the content of Ni were controlled by varying deposition temperature. The electrochemical activity towards the oxygen evolution reaction was assessed within alkaline media. Compared with commercial NiO powder, the Ni@NiO@graphite nanoparticles with the unique core–shell microstructure exhibit excellent OER performance, i.e., an overpotential of 330 mV (vs. RHE) at 10 mA cm−2 and a Tafel slope of 49 mV dec−1, due to the improved electrical conductivity and more active sites. This work provides a facile and rapid strategy to produce nanoparticles with unique microstructures as highly active electrocatalysts for the OER. Ni@NiO@graphite nanoparticles with excellent OER performance were synthesized by a one-step chemical vapor deposition process.![]()
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Affiliation(s)
- Meijun Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology Wuhan 430070 China
| | - Hongyu Zhu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology Wuhan 430070 China
| | - Yingqiu Zheng
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology Wuhan 430070 China .,Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory Chaozhou 521000 China
| | - Chitengfei Zhang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology Wuhan 430070 China .,Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory Chaozhou 521000 China
| | - Guoqiang Luo
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology Wuhan 430070 China .,Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory Chaozhou 521000 China
| | - Qingfang Xu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology Wuhan 430070 China
| | - Qizhong Li
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology Wuhan 430070 China
| | - Song Zhang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology Wuhan 430070 China
| | - Takashi Goto
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology Wuhan 430070 China
| | - Rong Tu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology Wuhan 430070 China .,Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory Chaozhou 521000 China.,Wuhan University of Technology Advanced Engineering Technology Research Institute of Zhongshan City Zhongshan 528400 China
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Liang H, Liu BJ, Tang B, Zhu SC, Li S, Ge XZ, Li JL, Zhu JR, Xiao FX. Atomically Precise Metal Nanocluster-Mediated Photocatalysis. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00841] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hao Liang
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian Province 350108, China
| | - Bi-Jian Liu
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian Province 350108, China
| | - Bo Tang
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian Province 350108, China
| | - Shi-Cheng Zhu
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian Province 350108, China
| | - Shen Li
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian Province 350108, China
| | - Xing-Zu Ge
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian Province 350108, China
| | - Jia-Le Li
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian Province 350108, China
| | - Jun-Rong Zhu
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian Province 350108, China
| | - Fang-Xing Xiao
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian Province 350108, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. China
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Hassan QU, Channa AI, Zhai QG, Zhu G, Gao Y, Ali N, Bilal M. Recent advancement in Bi 5O 7I-based nanocomposites for high performance photocatalysts. CHEMOSPHERE 2022; 288:132668. [PMID: 34718019 DOI: 10.1016/j.chemosphere.2021.132668] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 10/21/2021] [Accepted: 10/23/2021] [Indexed: 06/13/2023]
Abstract
Bi5O7I belongs to the family of bismuth oxyhalides (BiOX, X = Cl, Br, I), having a unique layered structure with an internal electrostatic field that promotes the separation and transfer of photo-generated charge carriers. Interestingly, Bi5O7I exhibits higher thermal stability compared to its other BiOX member compounds and absorption spectrum extended to the visible region. Bi5O7I has demonstrated applications in diverse fields such as photocatalytic degradation of various organic pollutants, marine antifouling, etc. Unfortunately, owing to its wide band gap of ∼2.9 eV, its absorption lies mainly in the ultraviolet region, and a tiny portion of absorption lies in the visible region. Due to limited absorption, the photocatalytic performance of pure Bi5O7I is still facing challenges. In order to reduce the band gap and increase the light absorption capability of Bi5O7I, doping and formation of heterostructure strategies have been employed, which showed promising results in the photocatalytic performance. In addition, the plasmonic heterostructures of Bi5O7I were also developed to further boost the efficiency of Bi5O7I as a photocatalyst. Here, in this review article, we present such recent efforts made for the advanced development of Bi5O7I regarding its synthesis, properties and applications. The strategies for photocatalytic performance enhancement have been discussed in detail. Moreover, in the conclusion section, we have presented the current challenges and discussed possible prospective developments in this field.
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Affiliation(s)
- Qadeer Ul Hassan
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, People's Republic of China; Institute for Advanced Study, Shenzhen University, Nanhai Avenue 3688, Shenzhen, 518060, People's Republic of China; College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, People's Republic of China
| | - Ali Imran Channa
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, PR China
| | - Quan-Guo Zhai
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, People's Republic of China.
| | - Gangqiang Zhu
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an, 710119, People's Republic of China.
| | - Yongxiang Gao
- Institute for Advanced Study, Shenzhen University, Nanhai Avenue 3688, Shenzhen, 518060, People's Republic of China
| | - Nisar Ali
- Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province, National & Local Joint Engineering Research, Center for Deep Utilization Technology of Rock-salt Resource, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huai'an, 223003, China
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China
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Wang H, Li X, Zhao X, Li C, Song X, Zhang P, Huo P, Li X. A review on heterogeneous photocatalysis for environmental remediation: From semiconductors to modification strategies. CHINESE JOURNAL OF CATALYSIS 2022. [DOI: 10.1016/s1872-2067(21)63910-4] [Citation(s) in RCA: 108] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Qu X, Zhao B, Zhang W, Zou J, Wang Z, Zhang Y, Niu L. Single-Molecule Nanocatalysis Reveals the Kinetics of the Synergistic Effect Based on Single-AuAg Bimetal Nanocatalysts. J Phys Chem Lett 2022; 13:830-837. [PMID: 35044782 DOI: 10.1021/acs.jpclett.1c03854] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Decades of extensive research efforts by scientists in the field of catalysis and nanomaterials have led to a large number of excellent bimetallic nanocatalysts. However, in many cases, the mechanism of the synergistic effect in bimetal catalyst-catalyzed reactions has been systematically neglected due to technical limitations. Herein, we use single-molecule fluorescence microscopy (SMFM) to reveal the mechanism of the synergy of the Au and Ag bimetal catalyst. Compared with that of the Ag nanocatalyst, the incorporation of Au changes the reaction pathway of Amplex Red and H2O2 from a noncompetitive to a competitive reaction mechanism, showing much higher catalytic efficiency. Additionally, the incorporation also inhibits the spontaneous surface reconstruction and facilitates the reaction-induced surface restructuring of the nanocatalyst, resulting in the enhancement of stability and reactivity. These findings provide useful insights into tailoring the reactivity of metal catalysts. This work also confirms the power of SMFM in revealing the origin of the catalytic activity of composite catalysts.
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Affiliation(s)
- Xiaodan Qu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- Center for Advanced Analytical Science, c/o School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory of Sensing Materials & Devices, Guangzhou University, Guangzhou, Guangdong 510006, P. R. China
| | - Bolin Zhao
- Center for Advanced Analytical Science, c/o School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory of Sensing Materials & Devices, Guangzhou University, Guangzhou, Guangdong 510006, P. R. China
- School of Civil Engineering, Guangzhou University, Guangzhou, Guangdong 510006, P. R. China
| | - Wensheng Zhang
- Center for Advanced Analytical Science, c/o School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory of Sensing Materials & Devices, Guangzhou University, Guangzhou, Guangdong 510006, P. R. China
- School of Civil Engineering, Guangzhou University, Guangzhou, Guangdong 510006, P. R. China
| | - Jinhui Zou
- Center for Advanced Analytical Science, c/o School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory of Sensing Materials & Devices, Guangzhou University, Guangzhou, Guangdong 510006, P. R. China
| | - Zhenxin Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Yuwei Zhang
- Center for Advanced Analytical Science, c/o School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory of Sensing Materials & Devices, Guangzhou University, Guangzhou, Guangdong 510006, P. R. China
| | - Li Niu
- Center for Advanced Analytical Science, c/o School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory of Sensing Materials & Devices, Guangzhou University, Guangzhou, Guangdong 510006, P. R. China
- School of Civil Engineering, Guangzhou University, Guangzhou, Guangdong 510006, P. R. China
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Shafi A, Bano S, Sharma L, Halder A, Sabir S, Khan MZ. Exploring multifunctional behaviour of g-C 3N 4 decorated BiVO 4/Ag 2CO 3 hierarchical nanocomposite for simultaneous electrochemical detection of two nitroaromatic compounds and water splitting applications. Talanta 2022; 241:123257. [PMID: 35114490 DOI: 10.1016/j.talanta.2022.123257] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 12/13/2021] [Accepted: 01/20/2022] [Indexed: 02/09/2023]
Abstract
Development of multifunctional ternary nanocomposite based electrocatalysts for detection of toxic elements and generation of renewable energy describes an environmentally sustainable technique to address the dual challenges of pollution and energy. Herein, we adopted microwave-assisted synthesis to design a multifunctional graphitic carbon nitride (g-C3N4) decorated BiVO4/Ag2CO3 (BVG@C) hierarchical ternary nanocomposite for sensing and water splitting applications. The morphological, structural and elemental characterizations demonstrate the successful decoration of carbon nitride on the composite surface. The electrochemical activity of BVG@C modified glassy carbon electrode reveals excellent redox behaviour towards simultaneous detection of 4-Nitrophenol (4-NP) and 4-Nitroaniline (PNA). The modified electrode shows rapid amperometric current response with high sensitivity of 2.368 μA mM cm-2 and 1.534 mA mM cm-2 and low detection limit of 0.012 μmol L-1and 0.028 μmol L-1, respectively for 4-NP and PNA. Moreover, the modified electrode was further investigated for hydrogen evolution and oxygen evolution reactions and the electrocatalytic results show admirable activity and good stability for oxygen evolution with very low overpotential of 136 mV in alkaline medium. It is worthwhile to mention that the excellent activity of electrocatalyst can be ascribed to the decoration and electronic interaction of g-C3N4 with the BiVO4/Ag2CO3 nanocomposite, increasing its surface area, active sites, charge transfer and decreasing resistance.
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Affiliation(s)
- Adil Shafi
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, India
| | - Sayfa Bano
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, India
| | - Lalita Sharma
- School of Basic Sciences, Indian Institute of Technology, Mandi, 175005, India
| | - Aditi Halder
- School of Basic Sciences, Indian Institute of Technology, Mandi, 175005, India
| | - Suhail Sabir
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, India
| | - Mohammad Zain Khan
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, India.
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Dadashi J, Ghasemzadeh MA, Salavati-Niasari M. Recent developments in hydrogels containing copper and palladium for the catalytic reduction/degradation of organic pollutants. RSC Adv 2022; 12:23481-23502. [PMID: 36090397 PMCID: PMC9386442 DOI: 10.1039/d2ra03418b] [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: 06/01/2022] [Accepted: 07/27/2022] [Indexed: 11/21/2022] Open
Abstract
The elimination of toxic and hazardous contaminants from different environmental media has become a global challenge, causing researchers to focus on the treatment of pollutants. Accordingly, the elimination of inorganic and organic pollutants using sustainable, effective, and low-cost heterogeneous catalysts is considered as one of the most essential routes for this aim. Thus, many efforts have been devoted to the synthesis of novel compounds and improving their catalytic performance. Recently, palladium- and copper-based hydrogels have been used as catalysts for reduction, degradation, and decomposition reactions because they have significant features such as high mechanical strength, thermal stability, and high surface area. Herein, we summarize the progress achieved in this field, including the various methods for the synthesis of copper- and palladium-based hydrogel catalysts and their applications for environmental remediation. Moreover, palladium- and copper-based hydrogel catalysts, which have certain advantages, including high catalytic ability, reusability, easy work-up, and simple synthesis, are proposed as a new group of effective catalysts. The elimination of toxic and hazardous contaminants from different environmental media has become a global challenge, causing researchers to focus on the treatment of pollutants.![]()
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Affiliation(s)
- Jaber Dadashi
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, Iran
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36
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Huang Y, Wang Z, Shen S, Huang L, Zhong W, Pan J, Li C. Double-wall carbon nanotube assisted phase engineering in CoO xS y complex for efficient oxygen evolution reaction. CrystEngComm 2022. [DOI: 10.1039/d2ce00660j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Sluggish electron kinetics in oxygen evolution reaction (OER) is one of the main factors restricting the development of hydrogen production technology from electrical water splitting, while the key to break...
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37
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Xie S, Xu Z, Yu C, Yu X, Zhang Z, Li J. Highly Efficient Reduction of 4‐Nitrophenol by Cu Nanoparticle Decorated Graphdiyne. ChemistrySelect 2021. [DOI: 10.1002/slct.202103451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Shuanglei Xie
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan 430074 China
- Key Laboratory for Green Chemical Process of Ministry of Education School of Chemical Engineering & Pharmacy Wuhan Institute of Technology Wuhan 430074 China
| | - Ze Xu
- Key Laboratory for Green Chemical Process of Ministry of Education School of Chemical Engineering & Pharmacy Wuhan Institute of Technology Wuhan 430074 China
| | - Cong Yu
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan 430074 China
| | - Xianglin Yu
- Key Laboratory for Green Chemical Process of Ministry of Education School of Chemical Engineering & Pharmacy Wuhan Institute of Technology Wuhan 430074 China
| | - Zihe Zhang
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan 430074 China
| | - Junbo Li
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan 430074 China
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Yang L, Jin Z, Zheng J, Zhang B, Xu J, Yin XB, Zhang M. In Situ Construction of Co-MoS 2/Pd Nanosheets on Polypyrrole-Derived Nitrogen-Doped Carbon Microtubes as Multifunctional Catalysts with Enhanced Catalytic Performance. Inorg Chem 2021; 61:542-553. [PMID: 34894692 DOI: 10.1021/acs.inorgchem.1c03228] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The structural design of multiple functional components could integrate synergistic effects to enhance the catalytic performance of MoS2-based composites for catalytic applications. Herein, one-dimensional (1D) Co-MoS2/Pd@NCMTs composites were designed to prepare Co-doped MoS2/Pd nanosheets (NSs) on N-doped carbon microtubes (NCMTs) from tubular polypyrrole (PPy) as multifunctional catalysts. The Co-MoS2/Pd@NCMTs composites integrated the synergistic effects of Co-doping, a 1D tubular structure, and noble-metal Pd decoration. Thus, a higher catalytic activity was observed in 4-nitrophenol (4-NP) reduction and peroxidase-like catalysis than other components, such as MoS2, MoS2@NCMTs, and Co-MoS2@NCMTs. Remarkably, the results indicated that the dissolution, diffusion, and redistribution led to the dissolution of MoO3@ZIF-67 cores and generation of Co-doped MoS2 NSs. Benefiting from the synergistic effect from these components, Co-MoS2/Pd@NCMTs were considered as a facile colorimetric sensing platform for detecting tannic acid. Moreover, outstanding performance was realized in the reduction of 4-NP with the composites. Thus, we provide a simple synthetic strategy for simultaneously integrating electronic engineering and structural advantages to develop an efficient MoS2-based multifunctional catalyst.
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Affiliation(s)
- Liting Yang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Ziqi Jin
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Jing Zheng
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Baishun Zhang
- Anhui Institute of Public Security Education, PR. 559 Wangjiang West Road, Hefei, Anhui 230088, China
| | - Jingli Xu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Xue-Bo Yin
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Min Zhang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
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Li X, He G, Ma J, Shao X, Chen Y, He H. Boosting the Dispersity of Metallic Ag Nanoparticles and Ozone Decomposition Performance of Ag-Mn Catalysts via Manganese Vacancy-Dependent Metal-Support Interactions. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:16143-16152. [PMID: 34751029 DOI: 10.1021/acs.est.1c05765] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Ozone (O3) removal has important implications for environmental protection and human health, and Ag-Mn catalysts have shown promising O3 decomposition. Catalysts with Ag supported on porous cube-like α-Mn2O3 (Ag/Mn-C) with high utilization of Ag were prepared by the impregnation method and showed excellent O3 decomposition activity. Physicochemical characterizations demonstrated that metallic Ag nanoparticles (Agn0) were mainly anchored on manganese vacancies, forming Ag-O-Mn bonds between Agn0 and α-Mn2O3-C. The abundant manganese vacancies of α-Mn2O3-C can lead to Agn0 with a smaller particle size and more uniform dispersion, thereby resulting in markedly enhanced O3 decomposition performance compared to Agn0 with a large particle size and uneven distribution on rod-like α-Mn2O3 (Ag/Mn-R). Under a relative humidity of 65% and a space velocity of 1,110,000 h-1, the conversion of 40 ppm O3 over the 2%Ag/Mn-C catalyst within 6 h (98%) at 30 °C was more than twice as high as that of the 2%Ag/Mn-R catalyst (42%). The study provides guidance for the design of highly efficient Ag-based catalysts and the understanding of the microstructure of supported catalysts.
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Affiliation(s)
- Xiaotong Li
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guangzhi He
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinzhu Ma
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xufei Shao
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Yingfa Chen
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hong He
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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Yang M, Au C, Deng G, Mathur S, Huang Q, Luo X, Xie G, Tai H, Jiang Y, Chen C, Cui Z, Liu X, He C, Su Y, Chen J. NiWO 4 Microflowers on Multi-Walled Carbon Nanotubes for High-Performance NH 3 Detection. ACS APPLIED MATERIALS & INTERFACES 2021; 13:52850-52860. [PMID: 34714039 DOI: 10.1021/acsami.1c10805] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
NiWO4 microflowers with a large surface area up to 79.77 m2·g-1 are synthesized in situ via a facile coprecipitation method. The NiWO4 microflowers are further decorated with multi-walled carbon nanotubes (MWCNTs) and assembled to form composites for NH3 detection. The as-fabricated composite exhibits an excellent NH3 sensing response/recovery time (53 s/177 s) at a temperature of 460 °C, which is a 10-fold enhancement compared to that of pristine NiWO4. It also demonstrates a low detection limit of 50 ppm; the improved sensing performance is attributed to the porous structure of the material, the large specific surface area, and the p-n heterojunction formed between the MWNTs and NiWO4. The gas sensitivity of the sensor based on daisy-like NiWO4/MWCNTs shows that the sensor based on 10 mol % (MWN10) has the best gas sensitivity, with a sensitivity of 13.07 to 50 ppm NH3 at room temperature and a detection lower limit of 20 ppm. NH3, CO2, NO2, SO2, CO, and CH4 are used as typical target gases to construct the NiWO4/MWCNTs gas-sensitive material and study the research method combining density functional theory calculations and experiments. By calculating the morphology and structure of the gas-sensitive material NiWO4(110), the MWCNT load samples, the vacancy defects, and the influence law and internal mechanism of gas sensitivity were described.
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Affiliation(s)
- Min Yang
- College of Chemistry and Life Science, Sichuan Provincial Key Laboratory for Structural Optimization and Application of Functional Molecules, Chengdu Normal University, Chengdu 611130, China
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Christian Au
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Guowei Deng
- College of Chemistry and Life Science, Sichuan Provincial Key Laboratory for Structural Optimization and Application of Functional Molecules, Chengdu Normal University, Chengdu 611130, China
| | - Shaurya Mathur
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Qiuping Huang
- College of Chemistry and Life Science, Sichuan Provincial Key Laboratory for Structural Optimization and Application of Functional Molecules, Chengdu Normal University, Chengdu 611130, China
| | - Xiaolan Luo
- College of Chemistry and Life Science, Sichuan Provincial Key Laboratory for Structural Optimization and Application of Functional Molecules, Chengdu Normal University, Chengdu 611130, China
| | - Guangzhong Xie
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Huiling Tai
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Yadong Jiang
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Chunxu Chen
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Zheng Cui
- State Key Lab of Superhard Materials, College of Physics, Jilin University, Changchun 130012, China
| | - Xiaoyang Liu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Chaozheng He
- Institute of Environmental and Energy Catalysis, School of Materials Science and Chemical Engineering, Xi'an Technological University, Xi'an 710021, China
| | - Yuanjie Su
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Jun Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
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Chen L, Yang S, Qi W, Zhang Q, Zhu J, Zhao P. Supramolecular Self-Assembly of Nitrogen-Deficient Ag/g-C 3N 4 Nanofiber Films with Enhanced Charge Transfer Dynamics for Efficient Visible-Light Photocatalytic Activity. ACS APPLIED MATERIALS & INTERFACES 2021; 13:49993-50004. [PMID: 34643080 DOI: 10.1021/acsami.1c15321] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Molecular self-assembly of organic molecules through noncovalent interactions is a powerful strategy for designing functional materials. Herein, we fabricated a novel free-standing Ag/g-C3N4 nanofiber (Ag/CNNF) film via a water-based molecular engineering approach followed by pyrolysis using a cyanuric acid-melamine complex as the precursor. Uniform dispersion of plasmonic Ag nanoparticles and incorporation of nitrogen vacancies were synchronously introduced into the 3D highly interconnected porous CNNF framework. The resulting Ag/CNNF film with multilevel interlayer spacing distributions significantly expedited more sufficient charge transfer dynamics not only at Schottky junction sites but also throughout hierarchical CN by exciton dissociation. Benefiting from the synergistic enhancement in visible light harvesting capability and steered charge carrier transfer in a longitudinal direction, the Ag/CNNF film presented remarkably boosted photocatalytic ability both for hydrogen production and tetracycline degradation. The optimal Ag/CNNF-2 film exhibited a prominent photocatalytic hydrogen evolution rate of 1240 μmol g-1 h-1 without the Pt co-catalyst under visible light illumination, which was 10.3 times as high as that of bulk g-C3N4. Significantly, 1D Ag/g-C3N4 nanofibers self-assembled into an ordered and macroscopic film, which was more favorable in practical applications owing to good reusability and high processability. This work paved the way for the facile preparation of supramolecular self-assembled CN-based film photocatalysts.
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Affiliation(s)
- Lin Chen
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Sudong Yang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
- Laboratory of Environmental Science and Technology, The Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Wensheng Qi
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Qian Zhang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Jie Zhu
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Peng Zhao
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
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42
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Sharma RK, Yadav S, Dutta S, Kale HB, Warkad IR, Zbořil R, Varma RS, Gawande MB. Silver nanomaterials: synthesis and (electro/photo) catalytic applications. Chem Soc Rev 2021; 50:11293-11380. [PMID: 34661205 DOI: 10.1039/d0cs00912a] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
In view of their unique characteristics and properties, silver nanomaterials (Ag NMs) have been used not only in the field of nanomedicine but also for diverse advanced catalytic technologies. In this comprehensive review, light is shed on general synthetic approaches encompassing chemical reduction, sonochemical, microwave, and thermal treatment among the preparative methods for the syntheses of Ag-based NMs and their catalytic applications. Additionally, some of the latest innovative approaches such as continuous flow integrated with MW and other benign approaches have been emphasized that ultimately pave the way for sustainability. Moreover, the potential applications of emerging Ag NMs, including sub nanomaterials and single atoms, in the field of liquid-phase catalysis, photocatalysis, and electrocatalysis as well as a positive role of Ag NMs in catalytic reactions are meticulously summarized. The scientific interest in the synthesis and applications of Ag NMs lies in the integrated benefits of their catalytic activity, selectivity, stability, and recovery. Therefore, the rise and journey of Ag NM-based catalysts will inspire a new generation of chemists to tailor and design robust catalysts that can effectively tackle major environmental challenges and help to replace noble metals in advanced catalytic applications. This overview concludes by providing future perspectives on the research into Ag NMs in the arena of electrocatalysis and photocatalysis.
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Affiliation(s)
- Rakesh Kumar Sharma
- Green Chemistry Network Centre, University of Delhi, New Delhi-110007, India.
| | - Sneha Yadav
- Green Chemistry Network Centre, University of Delhi, New Delhi-110007, India.
| | - Sriparna Dutta
- Green Chemistry Network Centre, University of Delhi, New Delhi-110007, India.
| | - Hanumant B Kale
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Mumbai-Marathwada Campus, Jalna-431213, Maharashtra, India.
| | - Indrajeet R Warkad
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Mumbai-Marathwada Campus, Jalna-431213, Maharashtra, India.
| | - Radek Zbořil
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University, Šlechtitelů 27, 779 00 Olomouc, Czech Republic.,Nanotechnology Centre, CEET, VŠB-Technical University of Ostrava, 17. listopadu 2172/15, 708 00 Ostrava-Poruba, Czech Republic
| | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University, Šlechtitelů 27, 779 00 Olomouc, Czech Republic.,U. S. Environmental Protection Agency, ORD, Center for Environmental Solutions and Emergency Response Water Infrastructure Division/Chemical Methods and Treatment Branch, 26 West Martin Luther King Drive, MS 483 Cincinnati, Ohio 45268, USA.
| | - Manoj B Gawande
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Mumbai-Marathwada Campus, Jalna-431213, Maharashtra, India.
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43
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Li C, Zhao Y, Liu X, Huo P, Yan Y, Wang L, Liao G, Liu C. Interface engineering of Co 9S 8/CdIn 2S 4 ohmic junction for efficient photocatalytic H 2 evolution under visible light. J Colloid Interface Sci 2021; 600:794-803. [PMID: 34052530 DOI: 10.1016/j.jcis.2021.05.084] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/13/2021] [Accepted: 05/16/2021] [Indexed: 12/16/2022]
Abstract
The design and development of high-performance photocatalysts from three aspects of simultaneous enhancement of light harvest, carrier migration rate, and redox reaction rate is still a great challenge. Herein, a novel Co9S8/CdIn2S4 ohmic junction with a robust internal electric field (IEF) is successfully prepared via hydrothermal and in situ synthesis methods and is used for effective photocatalytic H2 evolution (PHE). Under simulated visible light irradiation, the PHE rate of 5% Co9S8/CdIn2S4 can reach 1083.6 μmol h-1 g-1, which is 6.4 times higher than that of CdIn2S4 (170.5 μmol h-1 g-1). The enhanced PHE performance is mainly ascribed to the improved light harvest and carrier separation efficiency and fast surface H2 evolution kinetics. Moreover, Co9S8 nanotubes serve as promising Co-based cocatalysts that can evidently enhance PHE activity. Additionally, Co9S8/CdIn2S4 shows superior stability because the photogenerated carrier transfer path restrains the photocorrosion behavior. The photocatalytic mechanism is proposed based on experimental results and DFT calculations. This work offers new insights for the design and development of highly active photocatalysts from interface engineering.
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Affiliation(s)
- Chunxue Li
- Institute of Green Chemistry and Chemical Technology, Advanced Chemical Engineering Laboratory of Green Materials and Energy of Jiangsu Province, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yidong Zhao
- Institute of Green Chemistry and Chemical Technology, Advanced Chemical Engineering Laboratory of Green Materials and Energy of Jiangsu Province, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiaoteng Liu
- Institute of Green Chemistry and Chemical Technology, Advanced Chemical Engineering Laboratory of Green Materials and Energy of Jiangsu Province, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Pengwei Huo
- Institute of Green Chemistry and Chemical Technology, Advanced Chemical Engineering Laboratory of Green Materials and Energy of Jiangsu Province, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yongsheng Yan
- Institute of Green Chemistry and Chemical Technology, Advanced Chemical Engineering Laboratory of Green Materials and Energy of Jiangsu Province, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Lili Wang
- College of Science, Changchun University, Changchun 130022, China.
| | - Guangfu Liao
- Electrochemical Energy and Interfaces Laboratory, Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, 999077, Hong Kong Special Administrative Region.
| | - Chunbo Liu
- Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun 130103, China
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44
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Ershov V, Tarasova N, Ershov B. Evolution of Electronic State and Properties of Silver Nanoparticles during Their Formation in Aqueous Solution. Int J Mol Sci 2021; 22:ijms221910673. [PMID: 34639013 PMCID: PMC8509023 DOI: 10.3390/ijms221910673] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 09/22/2021] [Accepted: 09/27/2021] [Indexed: 12/22/2022] Open
Abstract
The electron density of a nanoparticle is a very important characteristic of the properties of a material. This paper describes the formation of silver nanoparticles (NPs) and the variation in the electronic state of an NP's surface upon the reduction in Ag+ ions with oxalate ions, induced by UV irradiation. The calculations were based on optical spectrophotometry data. The NPs were characterized using Transmission electron microscopy and Dynamic light scattering. As ~10 nm nanoparticles are formed, the localized surface plasmon resonance (LSPR) band increases in intensity, decreases in width, and shifts to the UV region from 402 to 383 nm. The interband transitions (IBT) band (≤250 nm) increases in intensity, with the band shape and position remaining unchanged. The change in the shape and position of the LSPR band of silver nanoparticles in the course of their formation is attributable to an increasing concentration of free electrons in the particles as a result of a reduction in Ag+ ions on the surface and electron injection by CO2- radicals. The ζ-potential of colloids increases with an increase in electron density in silver nuclei. A quantitative relationship between this shift and electron density on the surface was derived on the basis of the Mie-Drude theory. The observed blue shift (19 nm) corresponds to an approximately 10% increase in the concentration of electrons in silver nanoparticles.
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Affiliation(s)
- Vadim Ershov
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071 Moscow, Russia;
| | - Natalia Tarasova
- Institute of Chemistry and Problems of Sustainable Development, Dmitry Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia;
| | - Boris Ershov
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071 Moscow, Russia;
- Correspondence:
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45
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Zheng Y, Zhou W, Liu X, Yuan G, Peng J. Experimental and theoretical study of bifunctional electro-catalysts constructed from different Polyoxometalates and Ag-bimpy segments. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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46
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Koylan S, Tunca S, Polat G, Durukan MB, Kim D, Kalay YE, Ko SH, Unalan HE. Highly stable silver-platinum core-shell nanowires for H 2O 2 detection. NANOSCALE 2021; 13:13129-13141. [PMID: 34477796 DOI: 10.1039/d1nr01976g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Silver nanowire (Ag NW) networks have great potential to replace commercial transparent conducting oxides due to their superior properties in conjunction with their competitive cost, availability and mechanical flexibility. However, there are still challenges to overcome for the large scale utilization of Ag NWs in devices due to oxidation/sulfidation of NWs, which leads to performance loss. Here, we develop a solution-based strategy to deposit a thin platinum (Pt) shell layer (15 nm) onto Ag NWs to improve their chemical, environmental and electrochemical stabilities. Environmental and thermal stabilities of the core-shell NW networks were monitored under different relative humidity conditions (RH of 43, 75 and 85%) and temperature settings (75 °C for 120 hours and 150 °C for 40 hours) and compared to those of bare Ag NWs. Afterwards, stability of core-shell NW networks in hydrogen peroxide was investigated and compared to that of bare Ag NW networks. The potential window for electrochemical stability of the Ag NW networks was broadened to 0-1 V (vs. Ag/AgCl) upon Pt deposition, while bare Ag NWs were stable only in the 0-0.6 V range. Moreover, Ag-Pt core-shell NWs were used for the detection of hydrogen peroxide, where a high sensitivity of 0.04 μA μM-1 over a wide linear range of concentrations (16.6-990.1 μM) with a low detection limit (10.95 μM) was obtained for the fabricated sensors. All in all, this highly effective and simple strategy to improve the stability of Ag NWs will certainly open new avenues for their large-scale utilization in various electrochemical and sensing devices.
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Affiliation(s)
- Serkan Koylan
- Department of Metallurgical and Materials Engineering, Middle East Technical University (METU), 06800, Ankara, Turkey.
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47
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Lee SY, Huh TH, Jeong HR, Kwark YJ. In situ fabrication of silver/polyimide composite films with enhanced heat dissipation. RSC Adv 2021; 11:26546-26553. [PMID: 35480005 PMCID: PMC9037336 DOI: 10.1039/d1ra02380b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 07/16/2021] [Indexed: 12/15/2022] Open
Abstract
In this study, silver/polyimide (Ag/PI) composite films with enhanced heat dissipation properties were prepared. Ag was formed in situ by reducing AgNO3 at various locations according to the reduction method. Two different types of soluble PIs capable of solution processing were used, namely Matrimid and hydroxy polyimide (HPI). Unlike Matrimid with bulky substituents, HPI with polar hydroxy groups formed ion-dipole interactions with Ag ions to form Ag particles with uniform size distribution. The location and distribution of Ag particles affect the heat emission characteristics of the composite films, resulting in better heat dissipation properties with the thermally and photochemically reduced Ag/HPI films having more Ag particles distributed inside of the films than the chemically reduced films.
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Affiliation(s)
- So Yoon Lee
- Department of Information Communication, Materials Engineering, Chemistry Convergence Technology, Soongsil University Seoul 06978 Republic of Korea
| | - Tae-Hwan Huh
- Department of Organic Materials and Fiber Engineering, Soongsil University Seoul 06978 Republic of Korea
| | - Hye Rim Jeong
- Department of Organic Materials and Fiber Engineering, Soongsil University Seoul 06978 Republic of Korea
| | - Young-Je Kwark
- Department of Organic Materials and Fiber Engineering, Soongsil University Seoul 06978 Republic of Korea
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48
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Ri CH, Kim YS, Jong UG, Kye YH, Ryang SH, Yu CJ. First-principles study on structural, electronic and optical properties of perovskite solid solutions KB 1-x Mg x I 3 (B = Ge, Sn) toward water splitting photocatalysis. RSC Adv 2021; 11:26432-26443. [PMID: 35479478 PMCID: PMC9037355 DOI: 10.1039/d1ra04534b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 07/02/2021] [Indexed: 01/18/2023] Open
Abstract
Perovskite materials have been recently attracting a great amount of attention as new potential photocatalysts for water splitting hydrogen evolution. Here, we propose lead-free potassium iodide perovskite solid solutions KBI3 with B-site mixing between Ge/Sn and Mg as potential candidates for photocatalysts based on systematic first-principles calculations. Our calculations demonstrate that these solid solutions, with proper Goldschmidt and octahedral factors for the perovskite structure, become stable by configurational entropy at finite temperature and follow Vegard’s law in terms of lattice constant, bond length and elastic constants. We calculate their band gaps with different levels of theory with and without spin–orbit coupling, revealing that the hybrid HSE06 method yields band gaps increasing along the quadratic function of Mg content x. Moreover, we show that the solid solutions with 0.25 ≤ x ≤ 0.5 have appropriate band gaps between 1.5 and 2.2 eV, reasonable effective masses of charge carriers, and suitable photoabsorption coefficients for absorbing sunlight. Among the solid solutions, KB0.5Mg0.5I3 (B = Ge, Sn) is found to have the most promising band edge alignment with respect to the water redox potentials with different pH values, motivating experimentalists to synthesize them. We propose lead-free potassium iodide perovskite solid solutions KBI3 with B-site mixing between Ge/Sn and Mg as potential candidates for photocatalysts based on systematic first-principles calculations.![]()
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Affiliation(s)
- Chol-Hyok Ri
- Chair of Computational Materials Design (CMD), Faculty of Materials Science, Kim Il Sung University Ryongnam-Dong, Taesong District Pyongyang Democratic People's Republic of Korea
| | - Yun-Sim Kim
- Chair of Computational Materials Design (CMD), Faculty of Materials Science, Kim Il Sung University Ryongnam-Dong, Taesong District Pyongyang Democratic People's Republic of Korea
| | - Un-Gi Jong
- Chair of Computational Materials Design (CMD), Faculty of Materials Science, Kim Il Sung University Ryongnam-Dong, Taesong District Pyongyang Democratic People's Republic of Korea
| | - Yun-Hyok Kye
- Chair of Computational Materials Design (CMD), Faculty of Materials Science, Kim Il Sung University Ryongnam-Dong, Taesong District Pyongyang Democratic People's Republic of Korea
| | - Se-Hun Ryang
- Chair of Theoretical Physics, Faculty of Physics, Kim Hyong Jik University of Education Ryul-Dong, Dongdaewon District Pyongyang Democratic People's Republic of Korea
| | - Chol-Jun Yu
- Chair of Computational Materials Design (CMD), Faculty of Materials Science, Kim Il Sung University Ryongnam-Dong, Taesong District Pyongyang Democratic People's Republic of Korea
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49
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Hou C, Hao J. A three-dimensional nano-network WO 3/F-TiO 2-{001} heterojunction constructed with OH-TiOF 2 as the precursor and its efficient degradation of methylene blue. RSC Adv 2021; 11:26063-26072. [PMID: 35479479 PMCID: PMC9037076 DOI: 10.1039/d1ra04809k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 07/12/2021] [Indexed: 12/18/2022] Open
Abstract
In this study, three-dimensional nested WO3/F-TiO2-{001} photocatalysts with different WO3 loadings were prepared by a hydrothermal process and used to degrade methylene blue (MB). The photocatalysts with various ratios of WO3 to OH-TiOF2 can be transformed into a three-dimensional network WO3/F-TiO2 hetero-structure with {001} surface exposure. The results showed that the composite catalyst with 5% WO3, denoted as FWT5, had the best comprehensive degradation effect. FWT5 has a limited band gap of 2.9 eV, which can be used as an advanced photocatalyst to respond to sunlight and degrade MB. The average pore diameter of the composite catalyst is 10.3 nm, and the multi-point specific surface area is 56 m2 g−1. Compared with pure TiOF2, the average pore size of the composite catalyst decreased by 8.44 nm and the specific surface area increased by 51.2 m2 g−1, which provides a larger contact space for the catalytic components and pollutants. Moreover, TiO2 on the {001} surface has higher photocatalytic activity and methylene blue can be better degraded. Under the irradiation of 0.03 g FWT5 composite catalyst with a simulated solar light source for 2 h, the degradation rate of 10 mg L−1 methylene blue can reach 82.9%. The trapping experiment showed that photo-generated holes were the principal functional component of WO3/F-TiO2-{001} photo-catalysis, which could capture OH− and form hydroxyl radical (˙OH) and improved the photocatalytic degradation performance. Kinetic studies show that the photocatalytic degradation of MB fits with the quasi-first order kinetic model. A new type of WO3/F-TiO2-{001} heterostructure semiconductor material with a three-dimensional network structure was successfully prepared by the hydrothermal method.![]()
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Affiliation(s)
- Chentao Hou
- Department of Environmental Engineering, Xi'an University of Science and Technology Xi'an 710054 China
| | - Jing Hao
- Department of Environmental Engineering, Xi'an University of Science and Technology Xi'an 710054 China
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50
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Chen D, Xu Y, Zhang Y, Sheng W, Qian G. Nickel hydroxide as a non-noble metal co-catalyst decorated on Cd 0.5Zn 0.5S solid solution for enhanced hydrogen evolution. RSC Adv 2021; 11:20479-20485. [PMID: 35479893 PMCID: PMC9033972 DOI: 10.1039/d1ra03938e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 05/27/2021] [Indexed: 12/04/2022] Open
Abstract
The study of non-noble metal photocatalysts provides practical significance for hydrogen evolution applications. Herein, new Cd0.5Zn0.5S/Ni(OH)2 catalysts were fabricated through simple hydrothermal and precipitation methods. The photocatalytic performance of the Cd0.5Zn0.5S/Ni(OH)2 composites under visible light was significantly improved, which was attributed to the wider visible light absorption range and less recombination of electron–hole pairs. The composite with a Ni(OH)2 content of 10% showed the best hydrogen evolution rate of 46.6 mmol g−1 h−1, which was almost 9 times higher than that of pristine Cd0.5Zn0.5S. The severe photo-corrosion of Cd0.5Zn0.5S was greatly improved, and the Cd0.5Zn0.5S/Ni(OH)2 composite exhibited a very high hydrogen evolution rate after three repeated tests. The excellent photocatalytic performance was due to the non-noble metal Ni(OH)2 co-catalyst. The excited electrons were transferred to the co-catalyst, which reduced electron–hole recombination. Moreover, the co-catalyst offered more sites for photocatalytic reactions. This study researched the mechanism of a co-catalyst composite, providing new possibilities for non-noble metal photocatalysts. This study researched the mechanism of a co-catalyst composite, providing new possibilities for non-noble metal photocatalysts.![]()
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Affiliation(s)
- Dan Chen
- School of Environmental and Chemical Engineering, Shanghai University No. 99 Shangda Road Shanghai 200444 China
| | - Yao Xu
- School of Environmental and Chemical Engineering, Shanghai University No. 99 Shangda Road Shanghai 200444 China
| | - Yingying Zhang
- School of Environmental and Chemical Engineering, Shanghai University No. 99 Shangda Road Shanghai 200444 China
| | - Wenyu Sheng
- School of Environmental and Chemical Engineering, Shanghai University No. 99 Shangda Road Shanghai 200444 China
| | - Guangren Qian
- School of Environmental and Chemical Engineering, Shanghai University No. 99 Shangda Road Shanghai 200444 China
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