Synthesis and catalytic performance of polydopamine supported metal nanoparticles

Haoqi Li; Jiaxin Xi; Adrienne G. Donaghue; Jong Keum; Yao Zhao; Ke An; Erica R. McKenzie; Fei Ren

doi:10.1038/s41598-020-67458-9

Synthesis and catalytic performance of polydopamine supported metal nanoparticles

Haoqi Li, Jiaxin Xi, Adrienne G. Donaghue, Jong Keum, Yao Zhao, Ke An, Erica R. McKenzie, Fei Ren

Research output: Contribution to journal › Article › peer-review

45 Scopus citations

Abstract

Polydopamine (PDA) is an emerging nature-inspired biopolymer material that possesses many interesting properties including self-assembly and universal adhesion. PDA is also able to form coordination bonds with various metal ions, which can be reduced to metal nanoparticles (NPs) as a result of thermal annealing under protective environment. In this study, PDA has been utilized as a support material to synthesize Pt NPs in an aqueous solution at room temperature. The catalytic performance of the resulting PDA-Pt nanocomposite was evaluated using an electrochemical workstation which showed comparable activity to Pt/C material for hydrogen evolution reaction (HER). Furthermore, Cu, Ni, and Cu–Ni NPs supported on PDA were also obtained using this strategy with assistance of subsequent thermal annealing. The phase evolution of the NPs was studied by in-situ X-ray diffraction while the morphology of the nanoparticles was investigated using electron microscopic techniques. Preliminary results showed the NPs supported on PDA also possessed HER activity. This work demonstrates that PDA can be utilized as a potential support for synthesis of metal NPs that can be exploited in engineering applications such as catalysts.

Original language	English
Article number	10416
Journal	Scientific Reports
Volume	10
Issue number	1
DOIs	https://doi.org/10.1038/s41598-020-67458-9
State	Published - Dec 1 2020

Funding

Research conducted at ORNL’s Spallation Neutron Source (SNS) and Center for Nanophase Materials Sciences (CNMS) are sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, US Department of Energy. K.A. and J.K. also acknowledge support from the ORNL Spallation Neutron Source, sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, US Department of Energy. The SEM imaging was performed in the CoE-NIC facility at Temple University, which is based on DoD DURIP Award N0014-12-1-0777 from the Office of Naval Research and is sponsored by the College of Engineering. Publication of this article was funded in part by the Temple University Libraries Open Access Publishing Fund.

Funders	Funder number
Center for Nanophase Materials Sciences
College of Engineering
Office of Basic Energy Sciences
Scientific User Facilities Division
US Department of Energy
Office of Naval Research
Oak Ridge National Laboratory	N0014-12-1-0777
Temple University

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abstract = "Polydopamine (PDA) is an emerging nature-inspired biopolymer material that possesses many interesting properties including self-assembly and universal adhesion. PDA is also able to form coordination bonds with various metal ions, which can be reduced to metal nanoparticles (NPs) as a result of thermal annealing under protective environment. In this study, PDA has been utilized as a support material to synthesize Pt NPs in an aqueous solution at room temperature. The catalytic performance of the resulting PDA-Pt nanocomposite was evaluated using an electrochemical workstation which showed comparable activity to Pt/C material for hydrogen evolution reaction (HER). Furthermore, Cu, Ni, and Cu–Ni NPs supported on PDA were also obtained using this strategy with assistance of subsequent thermal annealing. The phase evolution of the NPs was studied by in-situ X-ray diffraction while the morphology of the nanoparticles was investigated using electron microscopic techniques. Preliminary results showed the NPs supported on PDA also possessed HER activity. This work demonstrates that PDA can be utilized as a potential support for synthesis of metal NPs that can be exploited in engineering applications such as catalysts.",

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AU - Xi, Jiaxin

AU - Donaghue, Adrienne G.

AU - Keum, Jong

AU - Zhao, Yao

AU - An, Ke

AU - McKenzie, Erica R.

AU - Ren, Fei

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N2 - Polydopamine (PDA) is an emerging nature-inspired biopolymer material that possesses many interesting properties including self-assembly and universal adhesion. PDA is also able to form coordination bonds with various metal ions, which can be reduced to metal nanoparticles (NPs) as a result of thermal annealing under protective environment. In this study, PDA has been utilized as a support material to synthesize Pt NPs in an aqueous solution at room temperature. The catalytic performance of the resulting PDA-Pt nanocomposite was evaluated using an electrochemical workstation which showed comparable activity to Pt/C material for hydrogen evolution reaction (HER). Furthermore, Cu, Ni, and Cu–Ni NPs supported on PDA were also obtained using this strategy with assistance of subsequent thermal annealing. The phase evolution of the NPs was studied by in-situ X-ray diffraction while the morphology of the nanoparticles was investigated using electron microscopic techniques. Preliminary results showed the NPs supported on PDA also possessed HER activity. This work demonstrates that PDA can be utilized as a potential support for synthesis of metal NPs that can be exploited in engineering applications such as catalysts.

AB - Polydopamine (PDA) is an emerging nature-inspired biopolymer material that possesses many interesting properties including self-assembly and universal adhesion. PDA is also able to form coordination bonds with various metal ions, which can be reduced to metal nanoparticles (NPs) as a result of thermal annealing under protective environment. In this study, PDA has been utilized as a support material to synthesize Pt NPs in an aqueous solution at room temperature. The catalytic performance of the resulting PDA-Pt nanocomposite was evaluated using an electrochemical workstation which showed comparable activity to Pt/C material for hydrogen evolution reaction (HER). Furthermore, Cu, Ni, and Cu–Ni NPs supported on PDA were also obtained using this strategy with assistance of subsequent thermal annealing. The phase evolution of the NPs was studied by in-situ X-ray diffraction while the morphology of the nanoparticles was investigated using electron microscopic techniques. Preliminary results showed the NPs supported on PDA also possessed HER activity. This work demonstrates that PDA can be utilized as a potential support for synthesis of metal NPs that can be exploited in engineering applications such as catalysts.

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Synthesis and catalytic performance of polydopamine supported metal nanoparticles

Abstract

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