Photothermal‐Propelled Au‐CeO2 Micromotors for Synergistic Photocatalytic‐Photothermal Antibacterial Systems DOI

Fengyan Shi,

Mengna Ding,

Qin Zhang

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: April 16, 2025

Abstract Facing the great challenge for efficient utilization of solar light, design photothermal‐propelled micromotors is significant converting optical energy into thermal to achieve in situ manipulated motion. Assisted by function, a synergistic photocatalytic‐photothermal antibacterial system successfully constructed this work, based on Au‐CeO 2 micromotor. The selective growth CeO nanoparticles surface Au nanorods (NRs) achieved with adjustable exposure ratio. strong interaction NRs realizes enhanced visible light harvesting and promoted photo‐induced charge separation. Especially, self‐induced thermophoretic force asymmetric lollipop‐like L‐Au‐CeO higher ratio more powerful than that symmetric core‐shelled CS‐Au‐CeO dumbbell‐like D‐Au‐CeO . As result, its local temperature gradient greater thus motion velocity stronger directionality. It further facilitates contact bacteria promotes performance probe Escherichia coli This micromotor shows potential microorganism control biomedical environmental applications.

Language: Английский

Photothermal‐Propelled Au‐CeO2 Micromotors for Synergistic Photocatalytic‐Photothermal Antibacterial Systems DOI

Fengyan Shi,

Mengna Ding,

Qin Zhang

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: April 16, 2025

Abstract Facing the great challenge for efficient utilization of solar light, design photothermal‐propelled micromotors is significant converting optical energy into thermal to achieve in situ manipulated motion. Assisted by function, a synergistic photocatalytic‐photothermal antibacterial system successfully constructed this work, based on Au‐CeO 2 micromotor. The selective growth CeO nanoparticles surface Au nanorods (NRs) achieved with adjustable exposure ratio. strong interaction NRs realizes enhanced visible light harvesting and promoted photo‐induced charge separation. Especially, self‐induced thermophoretic force asymmetric lollipop‐like L‐Au‐CeO higher ratio more powerful than that symmetric core‐shelled CS‐Au‐CeO dumbbell‐like D‐Au‐CeO . As result, its local temperature gradient greater thus motion velocity stronger directionality. It further facilitates contact bacteria promotes performance probe Escherichia coli This micromotor shows potential microorganism control biomedical environmental applications.

Language: Английский

Citations

0