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Huang H, Xiao D, Zhu Z, Zhang C, Yang L, He H, You J, Jiang Q, Xu X, Yamauchi Y. A 2D/2D heterojunction of ultrathin Pd nanosheet/MXene towards highly efficient methanol oxidation reaction: the significance of 2D material nanoarchitectonics. Chem Sci 2023; 14:9854-9862. [PMID: 37736638 PMCID: PMC10510762 DOI: 10.1039/d3sc03735e] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 07/29/2023] [Indexed: 09/23/2023] Open
Abstract
Two-dimensional (2D) Pd nanosheet-based catalysts have recently garnered widespread attention due to their high atom utilization efficiency. However, their catalytic ability and structural stability still require significant enhancement before they can be widely applied. In this study, we presented the rational design and controllable fabrication of a novel 2D/2D heterojunction, which consists of ultrathin Pd nanosheets (NSs) grown on the Ti3C2Tx MXene surface (Pd NSs/MXene). This heterostructure was achieved through a robust and convenient stereo-assembly strategy. The newly developed Pd NSs/MXene heterojunction not only provides numerous exposed active Pd atoms with an optimized electronic structure but also enables an intimate Pd/MXene interfacial interaction, ensuring a stable hybrid configuration. Consequently, the resulting Pd NSs/MXene heterojunction exhibits exceptional methanol oxidation properties. It possesses a large electrochemically active surface area, high mass and specific activities, and a long operating life, which are significantly superior to those of traditional Pd nanoparticle/carbon and Pd nanosheet/carbon catalysts. Theoretical simulations further reveal strong electronic interactions between the Pd nanosheet and MXene, which dramatically enhance the adsorption energy of the Pd component and simultaneously lower its d-band center. As a result, the Pd NSs/MXene heterojunction is less susceptible to CO poisoning. This work introduces a new 2D/2D heterojunction based on MXene and noble metallic materials and holds significance for the development of other novel heterojunctions, particularly within the realm of 2D material nanoarchitectonics.
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Affiliation(s)
- Huajie Huang
- College of Mechanics and Materials, Hohai University Nanjing 210098 China
| | - Di Xiao
- College of Mechanics and Materials, Hohai University Nanjing 210098 China
| | - Zihan Zhu
- College of Mechanics and Materials, Hohai University Nanjing 210098 China
| | - Chi Zhang
- College of Mechanics and Materials, Hohai University Nanjing 210098 China
| | - Lu Yang
- College of Mechanics and Materials, Hohai University Nanjing 210098 China
| | - Haiyan He
- College of Mechanics and Materials, Hohai University Nanjing 210098 China
| | - Jungmok You
- Department of Plant & Environmental New Resources, College of Life Sciences, Kyung Hee University 1732 Deogyeong-daero, Giheung-gu Yongin-si Gyeonggi-do 17104 South Korea
| | - Quanguo Jiang
- College of Mechanics and Materials, Hohai University Nanjing 210098 China
| | - Xingtao Xu
- Marine Science and Technology College, Zhejiang Ocean University Zhoushan 316022 China
| | - Yusuke Yamauchi
- Department of Plant & Environmental New Resources, College of Life Sciences, Kyung Hee University 1732 Deogyeong-daero, Giheung-gu Yongin-si Gyeonggi-do 17104 South Korea
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland Brisbane QLD 4072 Australia
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Nagoya University Nagoya 464-8601 Japan
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Xiao D, Jiang Q, Xu C, Yang C, Yang L, He H, Huang H. Interfacial engineering of worm-shaped palladium nanocrystals anchored on polyelectrolyte-modified MXene nanosheets for highly efficient methanol oxidation. J Colloid Interface Sci 2022; 616:781-790. [PMID: 35247815 DOI: 10.1016/j.jcis.2022.02.111] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/22/2022] [Accepted: 02/22/2022] [Indexed: 01/18/2023]
Abstract
The development of high-efficiency methanol oxidation electrocatalysts with acceptable costs is central to the practical use of direct methanol fuel cell. In this work, a convenient interfacial engineering strategy is developed to the design and construction of quasi-one-dimensional worm-shaped palladium nanocrystals strongly coupled with positively-charged polyelectrolyte-modified Ti3C2Tx MXene (Pd NWs/PDDA-MX) via the direct electrostatic attractions. Because of the intriguing structural features including ultrathin-sheet nature, homogeneous Pd dispersion, numerous grain boundaries, strong electronic interaction, and high metallic conductivity, the as-fabricated Pd NWs/PDDA-MX hybrid shows superior electrocatalytic performance with a large electrochemically active surface area of 105.3 m2 g-1, a high mass activity of 1526.5 mA mg-1, and reliable long-term durability towards alkaline methanol oxidation reaction, far outperforming the commercial Pd nanoparticle/carbon catalysts. Density functional theory calculation further demonstrate that there are strong electronic interactions in the Pd nanoworm/Ti3C2Tx model with a depressed CO adsorption energy, thereby guaranteeing a stable interfacial contact as well as strong antitoxic ability.
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Affiliation(s)
- Di Xiao
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Quanguo Jiang
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China.
| | - Chenyu Xu
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Cuizhen Yang
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Lu Yang
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Haiyan He
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Huajie Huang
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China.
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Piya AA, Shamim SUD, Uddin MN, Munny K, Alam A, Hossain MK, Ahmed F. Adsorption behavior of cisplatin anticancer drug on the pristine, Al- and Ga-doped BN nanosheets: A comparative DFT study. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113241] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Yang C, Jiang Q, Huang H, He H, Yang L, Li W. Polyelectrolyte-Induced Stereoassembly of Grain Boundary-Enriched Platinum Nanoworms on Ti 3C 2T x MXene Nanosheets for Efficient Methanol Oxidation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:23822-23830. [PMID: 32356656 DOI: 10.1021/acsami.0c02806] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Direct methanol fuel cells with high energy conversion efficiency and low hazard emissions have aroused great attention from both academic and industrial communities, but their large-scale commercial application has been blocked by high costs as well as short lifespan of the anode Pt catalysts. Here, we demonstrate a simple and scalable noncovalent strategy for the synthesis of quasi-one-dimensional (1D) Pt nanoworms grown on poly(diallyldimethyl-ammonium chloride) (PDDA)-functionalized Ti3C2Tx nanosheets as anode catalysts for methanol electrooxidation. Interestingly, the introduction of PDDA on Ti3C2Tx nanosheets can not only effectively adjust their surface charge property to strengthen the electrostatic interaction between metal and support but also induce the stereoassembly of worm-shaped Pt nanocrystals with abundant catalytically active grain boundaries, which enable the resulting hybrid to express high electrocatalytic activity, remarkable durability, and strong antipoisoning ability for methanol electrooxidation, which are better than those of the traditional Pt nanoparticle electrocatalysts loaded on carbon black, carbon nanotubes, reduced graphene oxide, and MXene matrixes. Theoretical simulations disclose that the more stable worm-shaped Pt configuration with an optimized electronic structure on the Ti3C2Tx surface possesses a weaker CO adsorption ability than that of the Pt nanoclusters, thereby providing a dramatically enhanced and sustainable electrocatalytic performance.
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Affiliation(s)
- Cuizhen Yang
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Quanguo Jiang
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Huajie Huang
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Haiyan He
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Lu Yang
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
| | - Weihua Li
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China
- College of Chemical Engineering and Technology, Sun Yat-sen University, Tangjiawan, Zhuhai 519082, China
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Yang Y, Huang H, Shen B, Jin L, Jiang Q, Yang L, He H. Anchoring nanosized Pd on three-dimensional boron- and nitrogen-codoped graphene aerogels as a highly active multifunctional electrocatalyst for formic acid and methanol oxidation reactions. Inorg Chem Front 2020. [DOI: 10.1039/c9qi01448a] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A facile and scalable strategy is developed for the preparation of nanosized Pd crystals anchored on 3D B- and N-codoped graphene aerogels, which show multifunctional electrocatalytic ability.
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Affiliation(s)
- Ying Yang
- College of Mechanics and Materials
- Hohai University
- Nanjing 210098
- China
| | - Huajie Huang
- College of Mechanics and Materials
- Hohai University
- Nanjing 210098
- China
| | - Binfeng Shen
- College of Mechanics and Materials
- Hohai University
- Nanjing 210098
- China
| | - Ling Jin
- Jiangsu & Nanjing Energy Conservation Center
- Nanjing 210007
- China
| | - Quanguo Jiang
- College of Mechanics and Materials
- Hohai University
- Nanjing 210098
- China
| | - Lu Yang
- College of Mechanics and Materials
- Hohai University
- Nanjing 210098
- China
| | - Haiyan He
- College of Mechanics and Materials
- Hohai University
- Nanjing 210098
- China
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Zhu H, Liu H, Yang L, Xiao B. How to Boost the Activity of the Monolayer Pt Supported on TiC Catalysts for Oxygen Reduction Reaction: A Density Functional Theory Study. MATERIALS 2019; 12:ma12091560. [PMID: 31085995 PMCID: PMC6539511 DOI: 10.3390/ma12091560] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 05/03/2019] [Accepted: 05/06/2019] [Indexed: 12/29/2022]
Abstract
Developing the optimized electrocatalysts with high Pt utilization as well as the outstanding performance for the oxygen reduction reaction (ORR) has raised great attention. Herein, the effects of the interlayer ZrC, HfC, or TiN and the multilayer Pt shell on the adsorption ability and the catalytic activity of the TiC@Pt core-shell structures are systemically investigated by density functional theory (DFT) calculations. For the sandwich structures, the presence of TiN significantly enhances the adsorption ability of the Pt shell, leading to the deterioration of the activity whilst the negligible influence of the ZrC and HfC insertion results the comparable performance with respect to TiC@Pt1ML. In addition, increasing the thickness of the Pt shell reduces the oxyphilic capacity and then mitigates the OH poisoning. From the free energy plots, the superior activity of TiC@Pt2ML is identified in comparison with 1ML and 3ML Pt shell. Herein, the improved activity with its high Pt atomic utilization makes the potential TiC@Pt2ML electrocatalyst for the future fuel cells.
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Affiliation(s)
- Hui Zhu
- School of Energy and Power Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China.
| | - Houyi Liu
- School of Energy and Power Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China.
| | - Lei Yang
- School of Energy and Power Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China.
| | - Beibei Xiao
- School of Energy and Power Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China.
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7
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Affiliation(s)
- Leonard Rößner
- Faculty of Natural Sciences, Institute of Chemistry, Materials for Innovative Energy Concepts, Chemnitz University of Technology, 09107 Chemnitz, Germany
| | - Marc Armbrüster
- Faculty of Natural Sciences, Institute of Chemistry, Materials for Innovative Energy Concepts, Chemnitz University of Technology, 09107 Chemnitz, Germany
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Chen ZW, Chen LX, Wen Z, Jiang Q. Understanding electro-catalysis by using density functional theory. Phys Chem Chem Phys 2019; 21:23782-23802. [DOI: 10.1039/c9cp04430b] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
DFT calculations are indispensable for understanding the electro-catalysis through explanation of the experimental phenomena, prediction of experimental results, and guiding of the experimental investigation.
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Affiliation(s)
- Z. W. Chen
- Key Laboratory of Automobile Materials
- Ministry of Education, and School of Materials Science and Engineering
- Jilin University
- Changchun 130022
- China
| | - L. X. Chen
- Key Laboratory of Automobile Materials
- Ministry of Education, and School of Materials Science and Engineering
- Jilin University
- Changchun 130022
- China
| | - Z. Wen
- Key Laboratory of Automobile Materials
- Ministry of Education, and School of Materials Science and Engineering
- Jilin University
- Changchun 130022
- China
| | - Q. Jiang
- Key Laboratory of Automobile Materials
- Ministry of Education, and School of Materials Science and Engineering
- Jilin University
- Changchun 130022
- China
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Sarma SC, Peter SC. Understanding small-molecule electro-oxidation on palladium based compounds – a feature on experimental and theoretical approaches. Dalton Trans 2018; 47:7864-7869. [DOI: 10.1039/c8dt00443a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Electrochemical oxidation of small molecules such as ethanol, methanol and formic acid on Pd based compounds has a great impact on green energy production in fuel cells.
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Affiliation(s)
- Saurav Ch. Sarma
- New Chemistry Unit
- Jawaharlal Nehru Centre for Advanced Scientific Research
- Bangalore-560064
- India
| | - Sebastian C. Peter
- New Chemistry Unit
- Jawaharlal Nehru Centre for Advanced Scientific Research
- Bangalore-560064
- India
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