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Jiang P, Wang K, Liu W, Song Y, Zheng R, Chen L, Su B. Hot Electrons Induced by Localized Surface Plasmon Resonance in Ag/g-C 3N 4 Schottky Junction for Photothermal Catalytic CO 2 Reduction. Polymers (Basel) 2024; 16:2317. [PMID: 39204537 PMCID: PMC11359675 DOI: 10.3390/polym16162317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 06/27/2024] [Accepted: 08/13/2024] [Indexed: 09/04/2024] Open
Abstract
Converting carbon dioxide (CO2) into high-value-added chemicals using solar energy is a promising approach to reducing carbon dioxide emissions; however, single photocatalysts suffer from quick the recombination of photogenerated electron-hole pairs and poor photoredox ability. Herein, silver (Ag) nanoparticles featuring with localized surface plasmon resonance (LSPR) are combined with g-C3N4 to form a Schottky junction for photothermal catalytic CO2 reduction. The Ag/g-C3N4 exhibits higher photocatalytic CO2 reduction activity under UV-vis light; the CH4 and CO evolution rates are 10.44 and 88.79 µmol·h-1·g-1, respectively. Enhanced photocatalytic CO2 reduction performances are attributed to efficient hot electron transfer in the Ag/g-C3N4 Schottky junction. LSPR-induced hot electrons from Ag nanoparticles improve the local reaction temperature and promote the separation and transfer of photogenerated electron-hole pairs. The charge carrier transfer route was investigated by in situ irradiated X-ray photoelectron spectroscopy (XPS). The three-dimensional finite-difference time-domain (3D-FDTD) method verified the strong electromagnetic field at the interface between Ag and g-C3N4. The photothermal catalytic CO2 reduction pathway of Ag/g-C3N4 was investigated using in situ diffuse reflectance infrared Fourier transform spectra (DRIFTS). This study examines hot electron transfer in the Ag/g-C3N4 Schottky junction and provides a feasible way to design a plasmonic metal/polymer semiconductor Schottky junction for photothermal catalytic CO2 reduction.
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Affiliation(s)
- Peng Jiang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Kun Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Wenrui Liu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Yuhang Song
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Runtian Zheng
- Laboratory of Inorganic Materials Chemistry, University of Namur, B-5000 Namur, Belgium
| | - Lihua Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Baolian Su
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
- Laboratory of Inorganic Materials Chemistry, University of Namur, B-5000 Namur, Belgium
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Hong X, Fang Y, Chao D. Molecular Terpyridine-Lanthanide Complexes Modified Carbon Nitride for Enhanced Photocatalytic CO 2 Reduction. Inorg Chem 2024; 63:12901-12909. [PMID: 38940643 DOI: 10.1021/acs.inorgchem.4c01552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2024]
Abstract
Molecule/semiconductor hybrid catalysts, which combine molecular metal complexes with semiconductors, have shown outstanding performances in photocatalytic CO2 reduction. In this work, we report two hybrid catalysts for the selective photoreduction of CO2 to CO. One is composed of carbon nitride and a terpyridine-Lu complex (denoted as LutpyCN), and the other is composed of carbon nitride and a terpyridine-Ce complex (denoted as CetpyCN). Compared with pristine carbon nitride, the hybrid catalysts LutpyCN and CetpyCN display a noteworthy increase in CO generation, boosting the yield by approximately 176 times and 106 times, respectively. Mechanistic studies demonstrate that such significant enhancement in photocatalysis is primarily due to more efficient separation of photogenerated carriers for hybrid catalysts after modifying CN with molecular terpyridine-lanthanide species.
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Affiliation(s)
- Xinyue Hong
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Youting Fang
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Duobin Chao
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China
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Scattolin E, Benedet M, Rizzi GA, Gasparotto A, Lebedev OI, Barreca D, Maccato C. Graphitic Carbon Nitride Structures on Carbon Cloth Containing Ultra- and Nano-Dispersed NiO for Photoactivated Oxygen Evolution. CHEMSUSCHEM 2024:e202400948. [PMID: 38979913 DOI: 10.1002/cssc.202400948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 06/12/2024] [Indexed: 07/10/2024]
Abstract
The development of low-cost and high-efficiency oxygen evolution reaction (OER) photoelectrocatalysts is a key requirement for H2 generation via solar-assisted water splitting. In this study, we report on an amenable fabrication route to carbon cloth-supported graphitic carbon nitride (gCN) nanoarchitectures, featuring a modular dispersion of NiO as co-catalyst. The synergistic interaction between gCN and NiO, along with the tailoring of their size and spatial distribution, yield very attractive OER performances and durability in freshwater splitting, of great significance for practical end-uses. The potential of gCN electrocatalysts containing ultra-dispersed, i. e. "quasi-atomic" NiO, exhibiting a higher activity than the ones containing nickel oxide nanoaggregates, is further highlighted by their activity even in real seawater. This work suggests that efficient OER catalysts can be designed through the construction of optimized interfaces between transition metal oxides and carbon nitride, yielding inexpensive and promising noble metal-free systems for real-world applications.
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Affiliation(s)
- Enrico Scattolin
- Department of Chemical Sciences, Padova University and INSTM, Via Marzolo 1, 35131, Padova, Italy
| | - Mattia Benedet
- Department of Chemical Sciences, Padova University and INSTM, Via Marzolo 1, 35131, Padova, Italy
- CNR-ICMATE and INSTM, Department of Chemical Sciences, Padova University, Via Marzolo 1, 35131, Padova, Italy
| | - Gian Andrea Rizzi
- Department of Chemical Sciences, Padova University and INSTM, Via Marzolo 1, 35131, Padova, Italy
- CNR-ICMATE and INSTM, Department of Chemical Sciences, Padova University, Via Marzolo 1, 35131, Padova, Italy
| | - Alberto Gasparotto
- Department of Chemical Sciences, Padova University and INSTM, Via Marzolo 1, 35131, Padova, Italy
- CNR-ICMATE and INSTM, Department of Chemical Sciences, Padova University, Via Marzolo 1, 35131, Padova, Italy
| | - Oleg I Lebedev
- Laboratoire CRISMAT, UMR 6508, Normandie Université CNRS, ENSICAEN, UNICAEN, 6, Boulevard Marechal Juin, 14050, Caen, Cedex 4, France
| | - Davide Barreca
- CNR-ICMATE and INSTM, Department of Chemical Sciences, Padova University, Via Marzolo 1, 35131, Padova, Italy
| | - Chiara Maccato
- Department of Chemical Sciences, Padova University and INSTM, Via Marzolo 1, 35131, Padova, Italy
- CNR-ICMATE and INSTM, Department of Chemical Sciences, Padova University, Via Marzolo 1, 35131, Padova, Italy
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Nair R, Gokuladoss V. Synergistic adsorption and kinetic studies of heterostructured g-C 3N 4/TiO 2 nano-photocatalyst under visible light for enhanced CO 2 reduction. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:2495-2510. [PMID: 38063962 DOI: 10.1007/s11356-023-31163-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 11/17/2023] [Indexed: 01/18/2024]
Abstract
Graphitic carbon nitride (g-C3N4) and titanium dioxide (TiO2) were synthesized using sol-gel and ultrasonic impregnation technique followed by calcination for photocatalytic CO2 reduction. The nano-photocatalysts were analyzed for their morphological, structural, and optical characteristics. Scanning electron microscopy (SEM) revealed the presence of spherical and layered sheet-like nanoparticles, as well as the occurrence of minor aggregations. The ultraviolet-visible spectroscopy (UV-vis) revealed that g-C3N4 has good photocatalytic properties with a medium band gap (2.7 eV), and TiO2 has high charge transfer potentials, robust oxidation properties, and high band gap (3.20 eV). However, the larger band gap makes it unresponsive in the visible light spectrum. In order to circumvent this constraint, a hybrid heterostructured g-C3N4/TiO2 catalyst with different compositions, viz., 1:1, 1:2, and 2:1, were fabricated using the ultrasonic impregnation technique followed by calcination process. The optical band gap of g-C3N4/TiO2 nanocomposite shows a red shift towards 2.85 eV from 3.20 eV for bare TiO2, inferring enhanced absorption in the visible light region. Further, the photocatalytic experiments were performed using visible light sources for all the catalysts. The g-C3N4/TiO2 (2:1) reported higher photocatalytic activity due to its reduced crystallite size of 12.94 nm which were investigated using X-ray diffraction analysis (XRD) and lower band gap of 2.85 eV. The study infers that hybrid photocatalyst enhances the visible light absorption, electron-hole (e - /h +) pair separation rate, and photocatalytic reduction of CO2. In addition, two adsorption models Langmuir and Freundlich were used and adsorption kinetic data were fitted to pseudo-first-order reaction for all the five catalysts. The adsorption isotherm of CO2 by g-C3N4/TiO2 (2:1) well fitted by the Freundlich adsorption equation. On the basis of adsorption magnitude (n) values (1.74), it was found that the interaction between CO2 molecules and g-C3N4/TiO2 occurs according to the chemisorption mechanism. The kinetic study infers that the highest value of apparent rate constant (kapp) was exhibited by g-C3N4/TiO2 (2:1), which indicates that the products predominate at equilibrium.
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Affiliation(s)
- Rishika Nair
- School of Electrical Engineering, Vellore Institute of Technology (VIT), Vellore, 632 014, India
- CO2 Research and Green Technology Centre, Vellore Institute of Technology (VIT), Vellore, 632 014, India
| | - Velvizhi Gokuladoss
- CO2 Research and Green Technology Centre, Vellore Institute of Technology (VIT), Vellore, 632 014, India.
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Kawawaki T, Akinaga Y, Yazaki D, Kameko H, Hirayama D, Negishi Y. Promoting Photocatalytic Carbon Dioxide Reduction by Tuning the Properties of Cocatalysts. Chemistry 2023; 29:e202203387. [PMID: 36524615 PMCID: PMC10107262 DOI: 10.1002/chem.202203387] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022]
Abstract
Suppressing the amount of carbon dioxide in the atmosphere is an essential measure toward addressing global warming. Specifically, the photocatalytic CO2 reduction reaction (CRR) is an effective strategy because it affords the conversion of CO2 into useful carbon feedstocks by using sunlight and water. However, the practical application of photocatalyst-promoting CRR (CRR photocatalysts) requires significant improvement of their conversion efficiency. Accordingly, extensive research is being conducted toward improving semiconductor photocatalysts, as well as cocatalysts that are loaded as active sites on the photocatalysts. In this review, we summarize recent research and development trends in the improvement of cocatalysts, which have a significant impact on the catalytic activity and selectivity of photocatalytic CRR. We expect that the advanced knowledge provided on the improvement of cocatalysts for CRR in this review will serve as a general guideline to accelerate the development of highly efficient CRR photocatalysts.
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Affiliation(s)
- Tokuhisa Kawawaki
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
- Research Institute for Science & TechnologyTokyo University of ScienceShinjuku-kuTokyo162-8601Japan
| | - Yuki Akinaga
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
| | - Daichi Yazaki
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
| | - Hinano Kameko
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
| | - Daisuke Hirayama
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
| | - Yuichi Negishi
- Department of Applied ChemistryFaculty of ScienceTokyo University of ScienceKagurazaka, Shinjuku-kuTokyo162-8601Japan
- Research Institute for Science & TechnologyTokyo University of ScienceShinjuku-kuTokyo162-8601Japan
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Wang W, Lv B, Tao F. NiO/g-C 3N 4 composite for enhanced photocatalytic properties in the wastewater treatment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:25620-25634. [PMID: 36413264 DOI: 10.1007/s11356-022-24121-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
The massive discharge of colored wastewater has seriously harmed the environment and people's health. Photocatalysis technology is an effective method to purify colored wastewater and has been widely concerned in colored wastewater treatment. In this study, based on the obtained nickel oxide (NiO) nanospheres by solvothermal method and graphite phase carbon nitride (g-C3N4) nanosheets by thermal polymerization method, the p-n heterojunction composed of NiO nanospheres and g-C3N4 nanosheets was successfully constructed by heat treatment for the photocatalytic degradation of methyl orange (MO). The morphology, crystallinity, surface features, and optical properties of the NiO/g-C3N4 composites were investigated by various characterization methods such as scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray diffractometer (XRD), Fourier transform infrared spectrometer (FT-IR), X-ray photoelectron spectroscopy (XPS), UV-vis spectrophotometer, and fluorescence spectrometer (PL), which provided the evidence for the formation of the heterojunction between NiO and g-C3N4. Compared with the g-C3N4 nanosheets and NiO nanospheres, the NiO/g-C3N4 composites showed the improved photocatalytic activity for the degradation of MO under visible light irradiation. And the NiO/g-C3N4 composite with the mole ratio of NiO and g-C3N4 of 2:8 displayed the best photocatalytic activity of MO, and more than 90% of MO can be degraded under the illumination of 100 min. The high photocatalytic properties over the NiO/g-C3N4 composite may be due to high specific surface area, the perfect band matching, and the formation of the p-n heterojunction, which helps to promote interfacial charge transfer and hinder the recombination of photo-generated electrons and holes. Moreover, the NiO/g-C3N4 composite exhibits the universality and cyclic stability, which is expected to have broad application prospects in the treatment of colored wastewater.
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Affiliation(s)
- Wei Wang
- School of Civil Engineering, Shaoxing University, Shaoxing, 312000, Zhejiang, China
| | - Beifeng Lv
- School of Civil Engineering, Shaoxing University, Shaoxing, 312000, Zhejiang, China
| | - Feifei Tao
- School of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, 312000, Zhejiang, China.
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7
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Chen Z, Zhu X, Xiong J, Wen Z, Cheng G. A p-n Junction by Coupling Amine-Enriched Brookite-TiO 2 Nanorods with Cu xS Nanoparticles for Improved Photocatalytic CO 2 Reduction. MATERIALS (BASEL, SWITZERLAND) 2023; 16:960. [PMID: 36769965 PMCID: PMC9918986 DOI: 10.3390/ma16030960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/14/2023] [Accepted: 01/17/2023] [Indexed: 06/18/2023]
Abstract
Photocatalytic CO2 reduction is a promising technology for reaching the aim of "carbon peaking and carbon neutrality", and it is crucial to design efficient photocatalysts with a rational surface and interface tailoring. Considering that amine modification on the surface of the photocatalyst could offer a favorable impact on the adsorption and activation of CO2, in this work, amine-modified brookite TiO2 nanorods (NH2-B-TiO2) coupled with CuxS (NH2-B-TiO2-CuxS) were effectively fabricated via a facile refluxing method. The formation of a p-n junction at the interface between the NH2-B-TiO2 and the CuxS could facilitate the separation and transfer of photogenerated carriers. Consequently, under light irradiation for 4 h, when the CuxS content is 16%, the maximum performance for conversion of CO2 to CH4 reaches at a rate of 3.34 μmol g-1 h-1 in the NH2-B-TiO2-CuxS composite, which is approximately 4 times greater than that of pure NH2-B-TiO2. It is hoped that this work could deliver an approach to construct an amine-enriched p-n junction for efficient CO2 photoreduction.
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Affiliation(s)
- Zhangjing Chen
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Donghu New & High Technology Development Zone, Wuhan 430205, China
| | - Xueteng Zhu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Donghu New & High Technology Development Zone, Wuhan 430205, China
| | - Jinyan Xiong
- College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Zhipan Wen
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China
| | - Gang Cheng
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Donghu New & High Technology Development Zone, Wuhan 430205, China
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g-C3N4/TiO2 S-scheme heterojunction photocatalyst with enhanced photocatalytic Carbamazepine degradation and mineralization. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113971] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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9
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Chen L, Wu Y, Hu Y, Chao D. A simple terpyridine–cobalt(II) complex sensitized by connective mpg–C3N4 for improved CO2 photoreduction. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.102083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Hu C, Sun H, Jia X, Lin H, Cao J, Chen S. Synergy of Piezoelectric Polarization and Empty Conduction Band of Zinc Sulfide: Realizing Structure Modulation on Graphitic Carbon Nitride for Carbon Dioxide Reduction to Methane. CHEMPHOTOCHEM 2022. [DOI: 10.1002/cptc.202200150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Cheng Hu
- Huaibei Normal University Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science Dongshan road 100. 235000 Huaibei CHINA
| | - Haoyu Sun
- Huaibei Normal University Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science Dongshan road 100. 235000 Huaibei CHINA
| | - Xuemei Jia
- Huaibei Normal University College of chemistry and materials science Dongshan road 100. 235000 Huaibei CHINA
| | - Haili Lin
- Huaibei Normal University Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science Dongshan road 100. 235000 Huaibei CHINA
| | - Jing Cao
- Huaibei Normal University Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science Dongshan road 100. 235000 Huaibei CHINA
| | - Shifu Chen
- Huaibei Normal University Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science Dongshan road 100. 235000 Huaibei CHINA
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Gao Y, Dong C, Zhang F, Ma H, Li Y. Carboxy-functionalized polyimide aerogel monoliths: synthesis, characterization and carbon dioxide adsorption. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04242-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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