Peptide Self-Assembled Biofilm with Unique Electron Transfer Flexibility for Highly Efficient Visible-Light-Driven Photocatalysis
Abstract
Inspired by natural photosynthesis, biomaterial-based catalysts are being confirmed to be excellent for visible-light-driven photocatalysis, but are far less well explored. Herein, an ultrathin and uniform biofilm fabricated from cold-plasma-assisted peptide self-assembly was employed to support Eosin Y (EY) and Pt nanoparticles to form an EY/Pt/Film catalyst for photocatalytic water splitting to H2 and photocatalytic CO2 reduction with water to CO, under irradiation of visible light. The H2 evolution rate on EY/Pt/Film is 62.1 μmol h(-1), which is about 5 times higher than that on Pt/EY and 1.5 times higher than that on the EY/Pt/TiO2 catalyst. EY/Pt/Film exhibits an enhanced CO evolution rate (19.4 μmol h(-1)), as compared with Pt/EY (2.8 μmol h(-1)) and EY/Pt/TiO2 (6.1 μmol h(-1)). The outstanding activity of EY/Pt/Film results from the unique flexibility of the biofilm for an efficient transfer of the photoinduced electrons. The present work is helpful for designing efficient biomaterial-based catalysts for visible-light-driven photocatalysis and for imitating natural photosynthesis.
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The obtained Pt and other noble metal NPs from electron reduction always show the (111) plane as their principal facet.
“The obtained Pt and other noble metal NPs always show the (111) plane as their principal facet.93,141”
From A comprehensive review of Pt electrocatalysts for the oxygen reduction reaction: Nanostructure, activity, mechanism and carbon support in PEM fuel cells (2017) · cites this paper as [141]
Room temperature electron reduction has been employed to induce fast nucleation of noble metal NPs.
“Recently, a room temperature electron reduction has been employed to induce the fast nucleation of noble metal NPs.93,140,141”
From A comprehensive review of Pt electrocatalysts for the oxygen reduction reaction: Nanostructure, activity, mechanism and carbon support in PEM fuel cells (2017) · cites this paper as [141]
Cited by
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Sui, S., Wang, X., Zhou, X., Su, Y., Riffat, S., & Liu, C.-J. (2017) · Journal of Materials Chemistry A · doi:10.1039/c6ta08580f · Cited by 916 · see citing works
Self-citation
- Authors
- Pan, Y.-X., Cong, H.-P., Men, Y.-L., Xin, S., Sun, Z.-Q., Liu, C.-J., & Yu, S.-H.
- Affiliations
- Tianjin University (CN)
- University of Science and Technology of China (CN)
- Hefei University of Technology (CN)
- Collaborative Innovation Centre of Chemical Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
- Corresponding author
- Pan, Yun-Xiang
- Yu, Shu-Hong
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-10-26
- Volume
- 9
- Issue
- 11
- Pages
- 11258-11265
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2407117297
- Cited by
- 84
- References
- 0
- Citations by year
- 2026: 1 · 2025: 6 · 2024: 7 · 2023: 7 · 2022: 7 · 2021: 6 · 2020: 9 · 2019: 6 · 2018: 12 · 2017: 10 · 2016: 13
- FWCI
- 3.45
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- ACS Nano (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Ministry of Science and Technology of the People's Republic of China (2013CB933900, 2014CB931800)
- National Natural Science Foundation of China (21431006, 91334206)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Advanced Photocatalysis Techniques
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › TiO2 Photocatalysis and Solar Cells
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Keywords
- peptide self-assembly, biofilm, non-thermal plasma, visible light photocatalysis, eosin Y, platinum nanoparticles, photocatalytic hydrogen evolution, photocatalytic CO2 reduction, electron transfer, photocatalytic water splitting, artificial photosynthesis
- MeSH terms
- Catalysis, Electrons, Light, Spectrum Analysis, Water, Amyloid beta-Peptides, Biofilms
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