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学者姓名:苏文悦
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Abstract :
Solar-powered photocatalytic water splitting for hydrogen evolution presents a promising solution to the energy crisis and contemporary environmental challenges. Herein, a Z-scheme ZnS/LaTiO2N heterojunction composite, incorporating zinc vacancies, has been successfully synthesized to enable photocatalytic hydrogen evolution under visible-light illumination. The optimized ZnS(VZn)/LaTiO2N composite demonstrates a hydrogen evolution activity 13 times higher than that of individual ZnS(VZn). The heterojunction between ZnS and LaTiO2N, in conjunction with zinc vacancies, expands the photoresponse spectrum and facilitates the spatial separation and transfer of photogenerated carriers. Consequently, this synergy significantly enhances the performance of photocatalytic hydrogen evolution. The collaborative action of the Z-scheme heterojunction and zinc vacancies paves the way for innovative approaches in designing future high-efficiency photocatalysts.
Keyword :
LaTiO2N LaTiO2N Photocatalytic H 2 evolution Photocatalytic H 2 evolution ZnS(VZn) ZnS(VZn) Z-scheme heterojunction Z-scheme heterojunction
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GB/T 7714 | Yu, Jiaqi , Qi, Jinwei , Lin, Nansong et al. Zinc-vacancy mediated Z-scheme photocatalyst of ZnS/LaTiO2N for hydrogen evolution under visible-light [J]. | JOURNAL OF ALLOYS AND COMPOUNDS , 2024 , 976 . |
MLA | Yu, Jiaqi et al. "Zinc-vacancy mediated Z-scheme photocatalyst of ZnS/LaTiO2N for hydrogen evolution under visible-light" . | JOURNAL OF ALLOYS AND COMPOUNDS 976 (2024) . |
APA | Yu, Jiaqi , Qi, Jinwei , Lin, Nansong , Zhang, Zizhong , Ji, Tao , Su, Wenyue . Zinc-vacancy mediated Z-scheme photocatalyst of ZnS/LaTiO2N for hydrogen evolution under visible-light . | JOURNAL OF ALLOYS AND COMPOUNDS , 2024 , 976 . |
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Cu2O is one of the most promising photocatalysts for visible light driven CO2 conversion, but its practical application in artificial photosynthesis is challenged to severe photocorrosion. Herein, a Cu2O/LaTiO2N composite is successfully synthesized by loading Cu2O on LaTiO2N through an ascorbic acid reduction method, which significantly improves the stability and activity of Cu2O for visible light driven photocat-alytic CO2 conversion, and shows higher photocatalytic performance than most Cu2O-based photocata-lysts reported. The superior photocatalytic performance is attributed to the formation of type-II heterojunction between Cu2O and LaTiO2N, which facilitates the separation and transfer of photogener-ated electrons and holes. This work provides an effective strategy for the construction of stable and effi-cient Cu2O-based photocatalysts. (c) 2022 Elsevier Inc. All rights reserved.
Keyword :
Activity Activity Cu2O Cu2O LaTiO2N LaTiO2N PhotocatalyticCO2 reduction PhotocatalyticCO2 reduction Stability Stability
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GB/T 7714 | Lin, Lichao , Lin, Peiling , Song, Jia et al. Boosting the photocatalytic activity and stability of Cu2O for CO2 conversion [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2023 , 630 : 352-362 . |
MLA | Lin, Lichao et al. "Boosting the photocatalytic activity and stability of Cu2O for CO2 conversion" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 630 (2023) : 352-362 . |
APA | Lin, Lichao , Lin, Peiling , Song, Jia , Zhang, Zizhong , Wang, Xuxu , Su, Wenyue . Boosting the photocatalytic activity and stability of Cu2O for CO2 conversion . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2023 , 630 , 352-362 . |
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Coupling hydrogen production with selective organic synthesis in one cooperative manner offers a novel strategy for green synthesis by virtue of the photogenerated carriers. Herein, a dual-functional photocatalyst of CoSx/Cd0.7Zn0.3S without noble metals is reported for efficient selective benzaldehyde (BAD) synthesis coupled with H-2 production. The CoSx/Cd0.7Zn0.3S composite showed a higher photocatalytic performance than Cd0.7Zn0.3S and 1 wt% Pt/Cd0.7Zn0.3S, which was attributed to the loaded CoSx, as the cocatalyst, which could accumulate the photogenerated electrons from Cd0.7Zn0.3S, promote the separation of photogenerated charge carriers, and reduce the overpotential of hydrogen production. This study provides a new strategy for the design and synthesis of low-cost, high-efficiency composite materials for photocatalytic efficient selective benzaldehyde (BAD) synthesis coupled with H-2 production.
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GB/T 7714 | Chen, Xinan , Yu, Jiaqi , Zhang, Zifan et al. Dual-functional photocatalyst of CoSx/Cd0.7Zn0.3S without noble metals for efficient selective benzaldehyde synthesis coupled with H2 production [J]. | CATALYSIS SCIENCE & TECHNOLOGY , 2023 , 13 (21) : 6291-6296 . |
MLA | Chen, Xinan et al. "Dual-functional photocatalyst of CoSx/Cd0.7Zn0.3S without noble metals for efficient selective benzaldehyde synthesis coupled with H2 production" . | CATALYSIS SCIENCE & TECHNOLOGY 13 . 21 (2023) : 6291-6296 . |
APA | Chen, Xinan , Yu, Jiaqi , Zhang, Zifan , Zhang, Zizhong , Ji, Tao , Su, Wenyue . Dual-functional photocatalyst of CoSx/Cd0.7Zn0.3S without noble metals for efficient selective benzaldehyde synthesis coupled with H2 production . | CATALYSIS SCIENCE & TECHNOLOGY , 2023 , 13 (21) , 6291-6296 . |
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Simulating photosynthesis to convert CO2 into valuable chemicals is an effective strategy to achieve sustainable carbon recycles, and the high conversion efficiency and selectivity of photocatalytic conversion CO2 to specific chemicals are the key challenges. Herein, a direct Z-scheme Bi2WO6/La2Ti2O7 photocatalyst is successfully synthesized by electrostatic self-assembly method. The selectivity of CO2 reduction to CO is improved from 74% of La2Ti2O7 to nearly 100%, and the CO yield is 7.5 times that of individual La2Ti2O7. The improvement of the photocatalytic performance is attributed to the formation of Z-scheme heterojunction between Bi2WO6 and La2Ti2O7, which facilitates the separation and transfer of photogenerated carriers. This work provides a new insight for the construction of efficient photocatalyst for selective reduction of CO2 to CO.
Keyword :
Bi2WO6 Bi2WO6 CO selectivity CO selectivity PhotocatalyticCO2 reduction PhotocatalyticCO2 reduction Z-scheme heterojunction Z-scheme heterojunction
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GB/T 7714 | Chen, Jianxiong , Lin, Lichao , Lin, Peiling et al. A direct Z-scheme Bi2WO6/La2Ti2O7 photocatalyst for selective reduction of CO2 to CO [J]. | CHINESE JOURNAL OF STRUCTURAL CHEMISTRY , 2023 , 42 (4) . |
MLA | Chen, Jianxiong et al. "A direct Z-scheme Bi2WO6/La2Ti2O7 photocatalyst for selective reduction of CO2 to CO" . | CHINESE JOURNAL OF STRUCTURAL CHEMISTRY 42 . 4 (2023) . |
APA | Chen, Jianxiong , Lin, Lichao , Lin, Peiling , Xiao, Lujiang , Zhang, Lingqian , Lu, Ying et al. A direct Z-scheme Bi2WO6/La2Ti2O7 photocatalyst for selective reduction of CO2 to CO . | CHINESE JOURNAL OF STRUCTURAL CHEMISTRY , 2023 , 42 (4) . |
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Using solar-powered photocatalytic technology to convert CO2 to high value-added chemical products is a hopeful strategy to solve the energy and environmental problems of modern society. Herein, a direct Z-scheme InVO4/La2Ti2O7 photocatalyst is successfully synthesized, achieving efficient and selective CO2 re-duction to CO with nearly 100 % CO selectivity, and the CO yield is 4.2 and 3.3 times that of individual La2Ti2O7 and InVO4, respectively. The significantly enhanced photocatalytic performance is owing to the formation of Z-scheme charge transfer mechanism, fostering the spatial separation and transfer of pho-togenerated carriers. This work provides new perspectives for the rational design of La2Ti2O7-based pho-tocatalytic materials toward efficient and selective CO2 reduction to CO. (c) 2022 Elsevier B.V. All rights reserved.
Keyword :
Direct Z-Scheme Direct Z-Scheme PhotocatalyticCO2 reduction PhotocatalyticCO2 reduction Selectivity Selectivity
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GB/T 7714 | Xiao, Lujiang , Lin, Lichao , Song, Jia et al. Construction of a direct Z-scheme InVO4/La2Ti2O7 photocatalyst toward efficient and selective CO2 reduction to CO [J]. | JOURNAL OF ALLOYS AND COMPOUNDS , 2023 , 935 . |
MLA | Xiao, Lujiang et al. "Construction of a direct Z-scheme InVO4/La2Ti2O7 photocatalyst toward efficient and selective CO2 reduction to CO" . | JOURNAL OF ALLOYS AND COMPOUNDS 935 (2023) . |
APA | Xiao, Lujiang , Lin, Lichao , Song, Jia , Zhang, Zizhong , Wang, Xuxu , Su, Wenyue . Construction of a direct Z-scheme InVO4/La2Ti2O7 photocatalyst toward efficient and selective CO2 reduction to CO . | JOURNAL OF ALLOYS AND COMPOUNDS , 2023 , 935 . |
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Simulating photosynthesis to convert CO2 into valuable chemicals is an effective strategy to achieve sustainable carbon recycles,and the high conversion efficiency and selectivity of photocatalytic conversion CO2 to specific chemicals are the key challenges.Herein,a direct Z-scheme Bi2WO6/La2Ti2O7 photocatalyst is successfully syn-thesized by electrostatic self-assembly method.The selectivity of CO2 reduction to CO is improved from 74%of La2Ti2O7 to nearly 100%,and the CO yield is 7.5 times that of individual La2Ti2O7.The improvement of the photocatalytic performance is attributed to the formation of Z-scheme heterojunction between Bi2WO6 and La2Ti2O7,which facilitates the separation and transfer of photogenerated carriers.This work provides a new insight for the construction of efficient photocatalyst for selective reduction of CO2 to CO.
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GB/T 7714 | Jianxiong Chen , Lichao Lin , Peiling Lin et al. A direct Z-scheme Bi2WO6/La2Ti2O7 photocatalyst for selective reduction of CO2 to CO [J]. | 结构化学 , 2023 , 42 (4) : 38-45 . |
MLA | Jianxiong Chen et al. "A direct Z-scheme Bi2WO6/La2Ti2O7 photocatalyst for selective reduction of CO2 to CO" . | 结构化学 42 . 4 (2023) : 38-45 . |
APA | Jianxiong Chen , Lichao Lin , Peiling Lin , Lujiang Xiao , Lingqian Zhang , Ying Lu et al. A direct Z-scheme Bi2WO6/La2Ti2O7 photocatalyst for selective reduction of CO2 to CO . | 结构化学 , 2023 , 42 (4) , 38-45 . |
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本发明涉及一种复合光催化剂MPc/La2Ti2O7及其制备方法与应用,其属于光催化领域。本发明将难溶的MPc超声分散成水分散液,分别加入钛源和镧源制成钛源MPc混合溶液和镧源MPc混合溶液,通过水热法合成所述复合光催化剂MPc/La2Ti2O7。本发明采用一步水热法制备复合光催化剂MPc/La2Ti2O7,无需引入模板剂,简单易行,环境友好,易于大规模推广。所得的复合光催化剂MPc/La2Ti2O7呈二维片状形貌,能够在可见光照射下还原CO2生成CO等重要工业原料,具有良好应用前景。
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GB/T 7714 | 王心晨 , 林立超 , 苏文悦 et al. 复合光催化剂金属酞菁/钛酸镧及其制备方法与应用 : CN202111641769.8[P]. | 2021-12-30 00:00:00 . |
MLA | 王心晨 et al. "复合光催化剂金属酞菁/钛酸镧及其制备方法与应用" : CN202111641769.8. | 2021-12-30 00:00:00 . |
APA | 王心晨 , 林立超 , 苏文悦 , 林佩灵 , 肖鲁江 , 苏柠溪 . 复合光催化剂金属酞菁/钛酸镧及其制备方法与应用 : CN202111641769.8. | 2021-12-30 00:00:00 . |
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GB/T 7714 | Wang, Jing , Qi, Ming-Yu , Wang, Xuxu et al. Cooperative hydrogen production and C-C coupling organic synthesis in one photoredox cycle (vol 302, 120812, 2022) [J]. | APPLIED CATALYSIS B-ENVIRONMENTAL , 2022 , 313 . |
MLA | Wang, Jing et al. "Cooperative hydrogen production and C-C coupling organic synthesis in one photoredox cycle (vol 302, 120812, 2022)" . | APPLIED CATALYSIS B-ENVIRONMENTAL 313 (2022) . |
APA | Wang, Jing , Qi, Ming-Yu , Wang, Xuxu , Su, Wenyue . Cooperative hydrogen production and C-C coupling organic synthesis in one photoredox cycle (vol 302, 120812, 2022) . | APPLIED CATALYSIS B-ENVIRONMENTAL , 2022 , 313 . |
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As a metal-free and visible-light-responsive photocatalyst, polymeric carbon nitride (PCN) is an ideal alternative to traditional titanium dioxide employed in photocatalytic cementitious materials (PCM) for environmental remediation. However, the interaction between the composition and microstructure of cementitious materials and PCN is far from clear. Herein, the hydration behavior, phase composition, microstructure, compressive strength and nitrogen oxides removal of the PCN-modified paste with different dosage of PCN at varying curing ages were investigated and the key factors governing the photocatalytic activity of the PCM were studied. The results show that the porosity of the PCN-modified pastes presented an increasing trend compared to the reference, but the micro-filler effect of PCN contributed to the varying reductions in the volume of harmful pores, which are mainly responsible for the highest compressive strength of 0.5% PCN-added pastes at 3 days and 28 days. Although the kinds of hydration products were not affected with the addition of PCN, the carbonates could be regulated to the well-crystallized and flower flaky calcites in the presence of PCN at 28 days. The well crystallized calcite would be regarded as potential acceptors of photo-induced holes to promote the separation of electron-hole pairs on the PCN. The promoting effect of electron transfer could outperform the negative effect of the decreased porosity caused by ongoing hydration and carbonization, resulting in an enhanced photo catalysis of PCM with the increase of curing ages. The findings from this study would provide a novel understanding on the improvement of photocatalytic efficiency for PCM against the shielding effects of hydrates and carbonates.
Keyword :
Carbonization Carbonization Cement hydration Cement hydration Curing ages Curing ages NOx removal NOx removal Photocatalytic cement paste Photocatalytic cement paste Polymeric carbon nitride Polymeric carbon nitride
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GB/T 7714 | Yang, Yu , Yan, Zheng , Zheng, Lianqiong et al. Interaction between composition and microstructure of cement paste and polymeric carbon nitride [J]. | CONSTRUCTION AND BUILDING MATERIALS , 2022 , 335 . |
MLA | Yang, Yu et al. "Interaction between composition and microstructure of cement paste and polymeric carbon nitride" . | CONSTRUCTION AND BUILDING MATERIALS 335 (2022) . |
APA | Yang, Yu , Yan, Zheng , Zheng, Lianqiong , Yang, Sichun , Su, Wenyue , Li, Bing et al. Interaction between composition and microstructure of cement paste and polymeric carbon nitride . | CONSTRUCTION AND BUILDING MATERIALS , 2022 , 335 . |
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The efficiency of photocatalytic reduction of CO2 with water to hydrocarbons is largely limited by high recombination rate of photogenerated electrons and holes in the photocatalysts. Herein, 0D/2D CeO2/LaTiO2N S-scheme heterojunction photocatalyst prepared by simple in-situ hydrothermal approach realizes the overall conversion of gaseous CO2 and H2O without any sacrificial reagent and cocatalyst. The yields of CH4 and CO over CeO2/LaTiO2N sample under visible light for 3 h are 1.5 and 7.2 mu mol g(-1), and the corresponding utilized photoelectron number (UPN) is 26.4 mu mol g(-1), about 7.3 and 7.8 times that of individual LaTiO2N and CeO2, respectively. The enhanced photocatalytic activity of 0D/2D CeO2/LaTiO2N is attributed to the constitution of the S-scheme heterojunction, which effectively inhibits the recombination of photogenerated carriers. This study is expected to provide a new insight into the construction of efficient 0D/2D photocatalysts for visible-light-driven photocatalytic CO2 reduction.
Keyword :
0D 0D 2D 2D CeO2 CeO2 LaTiO2N LaTiO2N Photocatalytic CO2 reduction Photocatalytic CO2 reduction S-scheme heterojunction S-scheme heterojunction
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GB/T 7714 | Lin, Peiling , Xiao, Lujiang , Lu, Ying et al. Anchoring 0D CeO2 Nanoparticles on 2D LaTiO2N Nanosheets for Efficient Visible-Light-Driven Photocatalytic CO2 Reduction [J]. | CHEMCATCHEM , 2022 , 14 (21) . |
MLA | Lin, Peiling et al. "Anchoring 0D CeO2 Nanoparticles on 2D LaTiO2N Nanosheets for Efficient Visible-Light-Driven Photocatalytic CO2 Reduction" . | CHEMCATCHEM 14 . 21 (2022) . |
APA | Lin, Peiling , Xiao, Lujiang , Lu, Ying , Zhang, Zizhong , Wang, Xuxu , Su, Wenyue . Anchoring 0D CeO2 Nanoparticles on 2D LaTiO2N Nanosheets for Efficient Visible-Light-Driven Photocatalytic CO2 Reduction . | CHEMCATCHEM , 2022 , 14 (21) . |
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