Polyamide@C@Ag photothermal film

Wide 35–278 °C tunable range

Unlike conventional photothermal materials, it achieves continuous temperature control from 35.4°C to 278°C by switching light sources, and accelerates silver ion release for broad-spectrum antibacterial and spore inhibition.

Yu, Zhang · Chen, Delun · Mingyu, Wang · Jinxing, Lin · Li, Yi · Fu, Qiongyao · Tu, Jinchun

Colloids and Surfaces A: Physicochemical and Engineering Aspects 2025

Advantages

temperature adjustable from 35.4°C to 278°C by varying light source

nearly 100% antibacterial efficacy against S. aureus and E. coli under visible light

inhibits B. subtilis spore proliferation for up to 48 h under infrared light