2D PtS nanorectangles/g-C₃N₄ nanosheets with a metal sulfide-support interaction effect for high-efficiency photocatalytic H₂ evolution
Cocatalyst design is a key approach to acquire high solar-energy conversion efficiency for photocatalytic hydrogen evolution. Here a new in situ vapor-phase (ISVP) growth method is developed to construct the cocatalyst of 2D PtS nanorectangles (a length of ∼7 nm, a width of ∼5 nm) on the surface of...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2022
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/160006 |
| _version_ | 1811684107878400000 |
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| author | Lin, Bo Zhou, Yao Xu, Baorong Zhu, Chao Tang, Wu Niu, Yingchun Di, Jun Song, Pin Zhou, Jiadong Luo, Xiao Kang, Lixing Duan, Ruihuan Fu, Qundong Liu, Haishi Jin, Ronghua Xue, Chao Chen, Qiang Yang, Guidong Varga, Kalman Xu, Quan Li, Yonghui Liu, Zheng Liu, Fucai |
| author2 | School of Materials Science and Engineering |
| author_facet | School of Materials Science and Engineering Lin, Bo Zhou, Yao Xu, Baorong Zhu, Chao Tang, Wu Niu, Yingchun Di, Jun Song, Pin Zhou, Jiadong Luo, Xiao Kang, Lixing Duan, Ruihuan Fu, Qundong Liu, Haishi Jin, Ronghua Xue, Chao Chen, Qiang Yang, Guidong Varga, Kalman Xu, Quan Li, Yonghui Liu, Zheng Liu, Fucai |
| author_sort | Lin, Bo |
| collection | NTU |
| description | Cocatalyst design is a key approach to acquire high solar-energy conversion efficiency for photocatalytic hydrogen evolution. Here a new in situ vapor-phase (ISVP) growth method is developed to construct the cocatalyst of 2D PtS nanorectangles (a length of ∼7 nm, a width of ∼5 nm) on the surface of g-C3N4 nanosheets. The 2D PtS nanorectangles/g-C3N4 nanosheets (PtS/CN) show an unusual metal sulfide-support interaction (MSSI), which is evidenced by atomic resolution HAADF-STEM, synchrotron-based GIXRD, XPS and DFT calculations. The effect of MSSI contributes to the optimization of geometrical structure and energy-band structure, acceleration of charge transfer, and reduction of hydrogen adsorption free energy of PtS/CN, thus yielding excellent stability and an ultrahigh photocatalytic H2 evolution rate of 1072.6 μmol h-1 (an apparent quantum efficiency of 45.7% at 420 nm), up to 13.3 and 1532.3 times by contrast with that of Pt nanoparticles/g-C3N4 nanosheets and g-C3N4 nanosheets, respectively. This work will provide a new platform for designing high-efficiency photocatalysts for sunlight-driven hydrogen generation. |
| first_indexed | 2024-10-01T04:23:23Z |
| format | Journal Article |
| id | ntu-10356/160006 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T04:23:23Z |
| publishDate | 2022 |
| record_format | dspace |
| spelling | ntu-10356/1600062022-07-07T07:35:45Z 2D PtS nanorectangles/g-C₃N₄ nanosheets with a metal sulfide-support interaction effect for high-efficiency photocatalytic H₂ evolution Lin, Bo Zhou, Yao Xu, Baorong Zhu, Chao Tang, Wu Niu, Yingchun Di, Jun Song, Pin Zhou, Jiadong Luo, Xiao Kang, Lixing Duan, Ruihuan Fu, Qundong Liu, Haishi Jin, Ronghua Xue, Chao Chen, Qiang Yang, Guidong Varga, Kalman Xu, Quan Li, Yonghui Liu, Zheng Liu, Fucai School of Materials Science and Engineering School of Physical and Mathematical Sciences Engineering::Materials Charge-Transfer Carbon Nitride Cocatalyst design is a key approach to acquire high solar-energy conversion efficiency for photocatalytic hydrogen evolution. Here a new in situ vapor-phase (ISVP) growth method is developed to construct the cocatalyst of 2D PtS nanorectangles (a length of ∼7 nm, a width of ∼5 nm) on the surface of g-C3N4 nanosheets. The 2D PtS nanorectangles/g-C3N4 nanosheets (PtS/CN) show an unusual metal sulfide-support interaction (MSSI), which is evidenced by atomic resolution HAADF-STEM, synchrotron-based GIXRD, XPS and DFT calculations. The effect of MSSI contributes to the optimization of geometrical structure and energy-band structure, acceleration of charge transfer, and reduction of hydrogen adsorption free energy of PtS/CN, thus yielding excellent stability and an ultrahigh photocatalytic H2 evolution rate of 1072.6 μmol h-1 (an apparent quantum efficiency of 45.7% at 420 nm), up to 13.3 and 1532.3 times by contrast with that of Pt nanoparticles/g-C3N4 nanosheets and g-C3N4 nanosheets, respectively. This work will provide a new platform for designing high-efficiency photocatalysts for sunlight-driven hydrogen generation. Ministry of Education (MOE) This work was funded by the China Postdoctoral Science Foundation (pre-station, grant no. 2019TQ0050), Applied Basic Research Program of Sichuan Province (grant no. 2020YJ0068), the China Postdoctoral Science Foundation (grant no. 2020M673186), the National Natural Science Foundation of China (grant no. 22002014), the National Natural Science Foundation of China (grant no. 11804248), the Natural Science Foundation of Tianjin (grant no. 18JCQNJC03200), and Sichuan Province Key Laboratory of Display Science and Technology. This work was also supported by MOE Tier 1 RG4/17 and MOE Tier 2 MOE2019-T2-2-105. This work used the Extreme Science and Engineering Discovery Environment (XSEDE), which was supported by the National Science Foundation (ACI-1548562). K. V. was supported by the NSF under Grant No. IRES 1826917. 2022-07-07T07:35:45Z 2022-07-07T07:35:45Z 2021 Journal Article Lin, B., Zhou, Y., Xu, B., Zhu, C., Tang, W., Niu, Y., Di, J., Song, P., Zhou, J., Luo, X., Kang, L., Duan, R., Fu, Q., Liu, H., Jin, R., Xue, C., Chen, Q., Yang, G., Varga, K., ...Liu, F. (2021). 2D PtS nanorectangles/g-C₃N₄ nanosheets with a metal sulfide-support interaction effect for high-efficiency photocatalytic H₂ evolution. Materials Horizons, 8(2), 612-618. https://dx.doi.org/10.1039/d0mh01693d 2051-6355 https://hdl.handle.net/10356/160006 10.1039/d0mh01693d 34821278 2-s2.0-85100928174 2 8 612 618 en RG4/17 MOE2019-T2-2-105 Materials Horizons © 2021 The Royal Society of Chemistry. All rights reserved. |
| spellingShingle | Engineering::Materials Charge-Transfer Carbon Nitride Lin, Bo Zhou, Yao Xu, Baorong Zhu, Chao Tang, Wu Niu, Yingchun Di, Jun Song, Pin Zhou, Jiadong Luo, Xiao Kang, Lixing Duan, Ruihuan Fu, Qundong Liu, Haishi Jin, Ronghua Xue, Chao Chen, Qiang Yang, Guidong Varga, Kalman Xu, Quan Li, Yonghui Liu, Zheng Liu, Fucai 2D PtS nanorectangles/g-C₃N₄ nanosheets with a metal sulfide-support interaction effect for high-efficiency photocatalytic H₂ evolution |
| title | 2D PtS nanorectangles/g-C₃N₄ nanosheets with a metal sulfide-support interaction effect for high-efficiency photocatalytic H₂ evolution |
| title_full | 2D PtS nanorectangles/g-C₃N₄ nanosheets with a metal sulfide-support interaction effect for high-efficiency photocatalytic H₂ evolution |
| title_fullStr | 2D PtS nanorectangles/g-C₃N₄ nanosheets with a metal sulfide-support interaction effect for high-efficiency photocatalytic H₂ evolution |
| title_full_unstemmed | 2D PtS nanorectangles/g-C₃N₄ nanosheets with a metal sulfide-support interaction effect for high-efficiency photocatalytic H₂ evolution |
| title_short | 2D PtS nanorectangles/g-C₃N₄ nanosheets with a metal sulfide-support interaction effect for high-efficiency photocatalytic H₂ evolution |
| title_sort | 2d pts nanorectangles g c₃n₄ nanosheets with a metal sulfide support interaction effect for high efficiency photocatalytic h₂ evolution |
| topic | Engineering::Materials Charge-Transfer Carbon Nitride |
| url | https://hdl.handle.net/10356/160006 |
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