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Aranthady C, D'Souza O, Mascarenhas R, Shanbhag GV, Sundaram NG. Enhanced Gas Sensing Performance of Nano‐Structured Ta
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Composite for Low Concentration CO Detection. ChemistrySelect 2022. [DOI: 10.1002/slct.202104526] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Chethana Aranthady
- Materials Science and Catalysis Division Poornaprajna Institute of Scientific Research (PPISR), Devanahalli- 562164 Bengaluru India
- Graduate studies Manipal Academy of Higher Education University Manipal 576104 Karnataka India
| | - Ozma D'Souza
- Department of Chemistry St. Joseph's College (Autonomous) Bengaluru 560027 India
| | - Ronald Mascarenhas
- Department of Chemistry St. Joseph's College (Autonomous) Bengaluru 560027 India
| | - Ganapati V. Shanbhag
- Materials Science and Catalysis Division Poornaprajna Institute of Scientific Research (PPISR), Devanahalli- 562164 Bengaluru India
| | - Nalini G. Sundaram
- Materials Science and Catalysis Division Poornaprajna Institute of Scientific Research (PPISR), Devanahalli- 562164 Bengaluru India
- Department of Chemistry St. Joseph's College (Autonomous) Bengaluru 560027 India
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Emerging Layered Materials and Their Applications in the Corrosion Protection of Metals and Alloys. SUSTAINABILITY 2022. [DOI: 10.3390/su14074079] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Metals and alloys are essential in modern society, and are used in our daily activities. However, they are prone to corrosion, with the conversion of the metal/alloy to its more thermodynamically-favored oxide/hydroxide phase. These undesirable corrosion reactions can lead to the failure of metallic components. Consequently, corrosion-protective technologies are now more important than ever, as it is essential to reduce the waste of valuable resources. In this review, we consider the role of emerging 2D materials and layered materials in the development of a corrosion protection strategy. In particular, we focus on the materials beyond graphene, and consider the role of transition metal dichalcogenides, such as MoS2, MXenes, layered double hydroxides, hexagonal boron nitride and graphitic carbon nitride in the formulation of effective and protective films and coatings. Following a short introduction to the synthesis and exfoliation of the layered materials, their role in corrosion protection is described and discussed. Finally, we discuss the future applications of these 2D materials in corrosion protection.
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Li H, Cui X, Song W, Yang Z, Li Y, Zhang P, Zheng Z, Wang Y, Li J, Ma F. Direct Z-scheme MgIn 2S 4/TiO 2heterojunction for enhanced photocathodic protection of metals under visible light. NANOTECHNOLOGY 2022; 33:165703. [PMID: 34996059 DOI: 10.1088/1361-6528/ac493c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 01/07/2022] [Indexed: 06/14/2023]
Abstract
To improve the photocathodic protection performance of traditional TiO2photoanodes for metals, constructing a Z-scheme heterojunction is one of the most promising and creative strategies. Herein, we fabricated a novel Z-scheme MgIn2S4nanosheets/TiO2nanotube nanocomposite through anodization and hydrothermal method. The optimized Z-scheme MgIn2S4/TiO2nanocomposites exhibited stronger visible light absorption, higher separation efficiency of photoelectrons and photocathodic protection performances in comparison to pure TiO2. The theoretical analysis and experimental results show that the Z-scheme heterojunction and oxygen vacancies jointly improved the separation efficiency of photogenerated electron-hole pairs and visible light absorption capacity, thereby improving the photoelectric conversion performance of the MgIn2S4/TiO2nanocomposites. Furthermore, the influence of the precursor solution concentration on the photocathodic protection performances of the composites was investigated. As a result, when the concentration of magnesium source in the precursor solution was 0.06 mmol, the prepared MgIn2S4/TiO2-0.06 displayed the best photocathodic protection performance. In addition, the hydroxyl radicals (·OH) generated in the electron spin resonance (ESR) experiment verified the Z-scheme heterojunction mechanism of the MgIn2S4/TiO2composite, and also demonstrated the excellent redox performance of the composite. This work provides valuable reference for the construction of high-performance Z-scheme heterojunctions for photocathode protection of metals.
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Affiliation(s)
- Hong Li
- College of Mechanical and Electrical Engineering, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
- State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
| | - Xingqiang Cui
- College of Mechanical and Electrical Engineering, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
- State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
| | - Weizhe Song
- College of Mechanical and Electrical Engineering, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
- State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
| | - Zhanyuan Yang
- College of Mechanical and Electrical Engineering, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
- State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
| | - Yanhui Li
- College of Mechanical and Electrical Engineering, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
- State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
| | - Pengfei Zhang
- College of Mechanical and Electrical Engineering, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
| | - Zongmin Zheng
- State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
- National Engineering Research Center for Intelligent Electrical Vehicle Power System, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
| | - Yuqi Wang
- College of Mechanical and Electrical Engineering, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
- State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
| | - Junru Li
- College of Mechanical and Electrical Engineering, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People's Republic of China
| | - Fubin Ma
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China
- Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, People's Republic of China
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