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Lin S, Mandavkar R, Habib MA, Dristy SA, Joni MH, Jeong JH, Lee J. Fabrication of Ru-doped CuMnBP micro cluster electrocatalyst with high efficiency and stability for electrochemical water splitting application at the industrial-level current density. J Colloid Interface Sci 2025; 677:587-598. [PMID: 39116558 DOI: 10.1016/j.jcis.2024.08.009] [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: 06/17/2024] [Revised: 07/24/2024] [Accepted: 08/02/2024] [Indexed: 08/10/2024]
Abstract
Electrochemical water splitting has been considered as a key pathway to generate environmentally friendly green hydrogen energy and it is essential to design highly efficient electrocatalysts at affordable cost to facilitate the redox reactions of hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). In this work, a novel micro-clustered Ru/CuMnBP electrocatalyst is introduced, prepared via hydrothermal deposition and soaking-assisted Ru doping approaches on Ni foam substrate. Ru/CuMnBP micro-clusters exhibit relatively low HER/OER turnover overpotentials of 11 mV and 85 mV at 10 mA/cm2 in 1 M KOH. It also demonstrates a low 2-E turnover cell voltage of 1.53 V at 10 mA/cm2 for the overall water-splitting, which is comparable with the benchmark electrodes of Pt/C||RuO2. At a super high-current density of 2000 mA/cm2, the dual functional Ru/CuMnBP demonstrates an exceptionally low 2-E cell voltage of 3.13 V and also exhibits superior stability for over 10 h in 1 M KOH. Excellent electrochemical performances originate from the large electrochemical active surface area with the micro cluster morphology, high intrinsic activity of CuMnBP micro-clusters optimized through component ratio adjustment and the beneficial Ru doping effect, which enhances active site density, conductivity and stability. The usage of Ru in small quantities via the simple soaking doping approach significantly improves electrochemical reaction rates for both HER and OER, making Ru/CuMnBP micro-clusters promising candidates for advanced electrocatalytic applications.
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Affiliation(s)
- Shusen Lin
- Department of Electronic Engineering, College of Electronics and Information, Kwangwoon University, Nowon-gu Seoul, 01897, South Korea
| | - Rutuja Mandavkar
- Department of Electronic Engineering, College of Electronics and Information, Kwangwoon University, Nowon-gu Seoul, 01897, South Korea
| | - Md Ahasan Habib
- Department of Electronic Engineering, College of Electronics and Information, Kwangwoon University, Nowon-gu Seoul, 01897, South Korea
| | - Sumiya Akter Dristy
- Department of Electronic Engineering, College of Electronics and Information, Kwangwoon University, Nowon-gu Seoul, 01897, South Korea
| | - Mehedi Hasan Joni
- Department of Electronic Engineering, College of Electronics and Information, Kwangwoon University, Nowon-gu Seoul, 01897, South Korea
| | - Jae-Hun Jeong
- Department of Electronic Engineering, College of Electronics and Information, Kwangwoon University, Nowon-gu Seoul, 01897, South Korea.
| | - Jihoon Lee
- Department of Electronic Engineering, College of Electronics and Information, Kwangwoon University, Nowon-gu Seoul, 01897, South Korea.
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Limón I, Multigner M, Paternoster C, Lieblich M, Torres B, Mantovani D, Rams J. Study of the effect of magnetic fields on static degradation of Fe and Fe-12Mn-1.2C in balanced salts modified Hanks' solution. Bioact Mater 2024; 40:524-540. [PMID: 39040567 PMCID: PMC11261407 DOI: 10.1016/j.bioactmat.2024.06.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 06/18/2024] [Accepted: 06/18/2024] [Indexed: 07/24/2024] Open
Abstract
Iron and its alloys are attractive as biodegradable materials because of their low toxicity and suitable mechanical properties; however, they generally have a slow degradation rate. Given that corrosion is an electrochemical phenomenon where an exchange of electrons takes place, the application of magnetic fields from outside the body may accelerate the degradation of a ferrous temporary implant. In the present study, we have investigated the effect of alternating and direct low magnetic field (H = 6.5 kA/m) on the corrosion process of pure iron (Fe) and an iron-manganese alloy (FeMnC) in modified Hanks' solution. A 14-day static immersion test was performed on the materials. The corrosion rate was assessed by mass and cross-sectional loss measurements, scanning electron microscopy, X-ray diffractometry, Fourier-transform infrared spectroscopy and X-ray photoelectron spectroscopy before and after degradation. The results show that the presence of magnetic fields significantly accelerates the degradation rate of both materials, with the corrosion rate being twice as high in the case of Fe and almost three times as high for FeMnC. In addition, a homogenous degradation layer is formed over the entire surface and the chemical composition of the degradation products is the same regardless of the presence of a magnetic field.
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Affiliation(s)
- Irene Limón
- Dpto. de Matemática Aplicada, Ciencia e Ingeniería de Materiales y Tecnología Electrónica, ESCET, Universidad Rey Juan Carlos, Tulipán S/n, 28933, Móstoles, Madrid, Spain
| | - Marta Multigner
- Dpto. de Matemática Aplicada, Ciencia e Ingeniería de Materiales y Tecnología Electrónica, ESCET, Universidad Rey Juan Carlos, Tulipán S/n, 28933, Móstoles, Madrid, Spain
| | - Carlo Paternoster
- Laboratory for Biomaterials and Bioengineering, Dept of Min-Met-Materials Engineering, Laval University & University Hospital Research Center, Quebec City, Canada
| | - Marcela Lieblich
- Centro Nacional de Investigaciones Metalúrgicas (CENIM-CSIC), 28040, Madrid, Spain
| | - Belén Torres
- Dpto. de Matemática Aplicada, Ciencia e Ingeniería de Materiales y Tecnología Electrónica, ESCET, Universidad Rey Juan Carlos, Tulipán S/n, 28933, Móstoles, Madrid, Spain
| | - Diego Mantovani
- Laboratory for Biomaterials and Bioengineering, Dept of Min-Met-Materials Engineering, Laval University & University Hospital Research Center, Quebec City, Canada
| | - Joaquín Rams
- Dpto. de Matemática Aplicada, Ciencia e Ingeniería de Materiales y Tecnología Electrónica, ESCET, Universidad Rey Juan Carlos, Tulipán S/n, 28933, Móstoles, Madrid, Spain
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3
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Kang H, He D, Turchiano C, Yan X, Chai J, Weed M, Elliott GI, Onofrei D, Pan X, Xiao X, Gu J. Mining the Carbon Intermediates in Plastic Waste Upcycling for Constructing C-S Bond. J Am Chem Soc 2024; 146:18639-18649. [PMID: 38916586 PMCID: PMC11240564 DOI: 10.1021/jacs.4c05512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Postconsumer plastics are generally perceived as valueless with only a small portion of plastic waste being closed-loop recycled into similar products while most of them are discarded in landfills. Depositing plastic waste in landfills not only harms the environment but also signifies a substantial economic loss. Alternatively, constructing value-added chemical feedstocks via mining the waste-derived intermediate species as a carbon (C) source under mild electrochemical conditions is a sustainable strategy to realize the circular economy. This proof-of-concept work provides an attractive "turning trash to treasure" strategy by integrating electrocatalytic polyethylene terephthalate (PET) plastic upcycling with a chemical C-S coupling reaction to synthesize organosulfur compounds, hydroxymethanesulfonate (HMS). HMS can be produced efficiently (Faradaic efficiency, FE of ∼70%) via deliberately capturing electrophilic intermediates generated in the PET monomer (ethylene glycol, EG) upcycling process, followed by coupling them with nucleophilic sulfur (S) species (i.e., SO32- and HSO3-). Unlike many previous studies conducted under alkaline conditions, PET upcycling was performed over an amorphous MnO2 catalyst under near-neutral conditions, allowing for the stabilization of electrophilic intermediates. The compatibility of this strategy was further investigated by employing biomass-derived compounds as substrates. Moreover, comparable HMS yields can be achieved with real-world PET plastics, showing its enormous potential in practical application. Lastly, Density function theory (DFT) calculation reveals that the C-C cleavage step of EG is the rate-determining step (RDS), and amorphous MnO2 significantly decreases the energy barriers for both RDS and C-S coupling when compared to the crystalline counterpart.
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Affiliation(s)
- Hongxing Kang
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, United States
| | - Dong He
- Department of Physics, Wuhan University, Wuhan, Hubei 430072, China
| | - Christopher Turchiano
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, United States
| | - Xingxu Yan
- Department of Materials Science and Engineering, University of California, Irvine, California 92697, United States
| | - Jingtong Chai
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, United States
| | - Melanie Weed
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, United States
| | - Gregory I Elliott
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, United States
| | - David Onofrei
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, United States
| | - Xiaoqing Pan
- Department of Materials Science and Engineering, University of California, Irvine, California 92697, United States
- Department of Physics and Astronomy, University of California, Irvine Irvine, California 92697, United States
| | - Xiangheng Xiao
- Department of Physics, Wuhan University, Wuhan, Hubei 430072, China
| | - Jing Gu
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, United States
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Zhou Y, Guan P, Chen F, Feng Z, Jia H, Liang T, Li M, Wan T, Tian R, Han Z, Chu D. Engineering work functions of cobalt-doped manganese oxide based electrocatalysts for highly efficient oxygen evolution reaction. J Colloid Interface Sci 2023; 642:23-28. [PMID: 37001454 DOI: 10.1016/j.jcis.2023.03.129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/15/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023]
Abstract
The crystalline and electronic structures are two important factors for the design of electrocatalysts. In this work, Co-doped MnO electrocatalysts grown on nickel foam (NF) were prepared by a facile hydrothermal reaction, followed by H2 treatment process. The electrocatalytic performance of MnO was significantly improved after doping with Co and the Co0.1Mn0.9O-NF sample achieved excellent oxygen evolution reaction (OER) performance with low overpotential (370 mV at 10 mA cm-2) and reasonable Tafel slope (85.6 mV dec-1). Significantly, the low work function was obtained in the Co0.1Mn0.9O-NF sample (4.37 eV), which could accelerate the charge transfer process of the OER activity. The excellent OER performance of the Co0.1Mn0.9O-NF sample is also attributed to the rich active sites, which improved electrical conductivity and enlarged electrochemical surface areas.
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Sa YJ, Kim S, Lee Y, Kim JM, Joo SH. Mesoporous Manganese Oxides with High-Valent Mn Species and Disordered Local Structures for Efficient Oxygen Electrocatalysis. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37339373 DOI: 10.1021/acsami.3c03358] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/22/2023]
Abstract
Active and nonprecious-metal bifunctional electrocatalysts for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are vital components of clean energy conversion devices such as regenerative fuel cells and rechargeable metal-air batteries. Porous manganese oxides (MnOx) are promising electrocatalyst candidates because of their high surface area and the abundance of Mn. MnOx catalysts exhibit various oxidation states and crystal structures, which critically affect their electrocatalytic activity. These effects remain elusive mainly because the synthesis of oxidation-state-controlled porous MnOx with similar structural properties is challenging. In this work, four different mesoporous manganese oxides (m-MnOx) were synthesized and used as model catalysts to investigate the effects of local structures and Mn valence states on the activity toward oxygen electrocatalysis. The following activity trends were observed: m-Mn2O3 > m-MnO2 > m-MnO > m-Mn3O4 for the ORR and m-MnO2 > m-Mn2O3 > m-MnO ≈ m-Mn3O4 for the OER. These activity trends suggest that high-valent Mn species (Mn(III) and Mn(IV)) with disordered atomic arrangements induced by nanostructuring significantly influence electrocatalysis. In situ X-ray absorption spectroscopy was used to analyze the changes in the oxidation states under the ORR and OER conditions, which showed the surface phase transformation and generation of active species during electrocatalysis.
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Affiliation(s)
- Young Jin Sa
- Department of Chemistry, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Sohee Kim
- Department of Chemistry, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Yesol Lee
- Department of Chemistry, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Ji Man Kim
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Sang Hoon Joo
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
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Zhang Q, Cui C, Wang Z, Deng F, Qiu S, Zhu Y, Jing B. Mott Schottky CoS x-MoO x@NF heterojunctions electrode for H 2 production and urea-rich wastewater purification. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:160170. [PMID: 36379335 DOI: 10.1016/j.scitotenv.2022.160170] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 11/09/2022] [Accepted: 11/09/2022] [Indexed: 06/16/2023]
Abstract
The sluggish kinetics of oxygen evolution reaction (OER) is the bottleneck of alkaline water electrolysis. The urea oxidation reaction (UOR) with much faster kinetics was to replace OER. To further promote UOR, a heterojunction structure assembled of CoSx and MoOx was established, and then its superior catalytic activity was predicted by DFT calculation. After that, an ultra-thin CoSx-MoOx@nickel foam (CoSx-MoOx@NF) electrode with a Mott-Schottky structure was prepared via a facile hydrothermal method, followed by a low-temperature vulcanization. Results highlighted CoSx-MoOx@NF electrode presented a superior performance toward UOR, OER, and H2 evolution reaction (HER). Notably, it exhibited excellent electrocatalytic performance for OER (1.32 V vs. RHE, 10 mA cm-2), UOR (1.305 V vs. RHE, 10 mA cm-2), and urea-assisted overall water splitting with a low voltage (1.38 V, 10 mA cm-2) when CoSx-MoOx@NF electrode served as both anode and cathode. It is promising to use CoSx-MoOx@NF in an electrochemical system integrated with H2 generation and urea-rich wastewater purification.
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Affiliation(s)
- Qiwei Zhang
- School of Environment, State Key Laboratory of Urban Water Resources Centre, Harbin Institute of Technology, Harbin 150090, PR China
| | - Chongwei Cui
- School of Environment, State Key Laboratory of Urban Water Resources Centre, Harbin Institute of Technology, Harbin 150090, PR China
| | - Zhuowen Wang
- School of Environment, State Key Laboratory of Urban Water Resources Centre, Harbin Institute of Technology, Harbin 150090, PR China
| | - Fengxia Deng
- School of Environment, State Key Laboratory of Urban Water Resources Centre, Harbin Institute of Technology, Harbin 150090, PR China
| | - Shan Qiu
- School of Environment, State Key Laboratory of Urban Water Resources Centre, Harbin Institute of Technology, Harbin 150090, PR China.
| | - Yingshi Zhu
- School of Environment, State Key Laboratory of Urban Water Resources Centre, Harbin Institute of Technology, Harbin 150090, PR China
| | - Baojian Jing
- School of Environment, State Key Laboratory of Urban Water Resources Centre, Harbin Institute of Technology, Harbin 150090, PR China
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Li F, Du M, Xiao X, Xu Q. Self-Supporting Metal-Organic Framework-Based Nanoarrays for Electrocatalysis. ACS NANO 2022; 16:19913-19939. [PMID: 36399093 DOI: 10.1021/acsnano.2c09396] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The replacement of powdery catalysts with self-supporting alternatives for catalyzing various electrochemical reactions is extremely important for the large-scale commercial application of renewable energy storage and conversion technologies. Metal-organic framework (MOF)-based nanoarrays possess tunable compositions, well-defined structure, abundant active sites, effective mass and electron transport, etc., which enable them to exhibit superior electrocatalytic performance in multiple electrochemical reactions. This review presents the latest research progress in developing MOF-based nanoarrays for electrocatalysis. We first highlight the structural features and electrocatalytic advantages of MOF-based nanoarrays, followed by a detailed summary of the design and synthesis strategies of MOF-based nanoarrays, and then describe the recent progress of their application in various electrocatalytic reactions. Finally, the challenges and perspectives are discussed, where further exploration into MOF-based nanoarrays will facilitate the development of electrochemical energy conversion technologies.
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Affiliation(s)
- Fayan Li
- Shenzhen Key Laboratory of Micro/Nano-Porous Functional Materials (SKLPM), SUSTech-Kyoto University Advanced Energy Materials Joint Innovation Laboratory (SKAEM-JIL), Department of Chemistry, Department of Materials Science and Engineering and Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
| | - Meng Du
- Shenzhen Key Laboratory of Micro/Nano-Porous Functional Materials (SKLPM), SUSTech-Kyoto University Advanced Energy Materials Joint Innovation Laboratory (SKAEM-JIL), Department of Chemistry, Department of Materials Science and Engineering and Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
| | - Xin Xiao
- Shenzhen Key Laboratory of Micro/Nano-Porous Functional Materials (SKLPM), SUSTech-Kyoto University Advanced Energy Materials Joint Innovation Laboratory (SKAEM-JIL), Department of Chemistry, Department of Materials Science and Engineering and Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
| | - Qiang Xu
- Shenzhen Key Laboratory of Micro/Nano-Porous Functional Materials (SKLPM), SUSTech-Kyoto University Advanced Energy Materials Joint Innovation Laboratory (SKAEM-JIL), Department of Chemistry, Department of Materials Science and Engineering and Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
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Gong Y, Yao J, Wang P, Li Z, Zhou H, Xu C. Perspective of hydrogen energy and recent progress in electrocatalytic water splitting. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.02.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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9
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Zhao X, Chang Y, He X, Zhang H, Jia J, Jia M. Understanding ultra-dispersed CeO modified iridium clusters as bifunction electrocatalyst for high-efficiency water splitting in acid electrolytes. J RARE EARTH 2022. [DOI: 10.1016/j.jre.2022.01.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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10
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Qi L, Wang M, Li X. Graphene-induced growth of Co3O4 nanoplates with modulable oxygen vacancies for improved OER properties. CrystEngComm 2021. [DOI: 10.1039/d1ce00255d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Graphene-induced growth of Co(OH)2 nanoplates from Co3O4 nanospheres was reported, showing an ultralow overpotential of 240 mV at 10 mA cm−2 and a Tafel slope of 107.8 mV dec−1.
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Affiliation(s)
- Lei Qi
- The State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mei Wang
- The State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xinheng Li
- The State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, China
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