This paper presents a single-step method for creating plasmonic Ga nanostructures embedded in a polydimethylsiloxane (PDMS) substrate, resulting in tunable colors responsive to mechanical stimuli. The process uses capillary interactions between PDMS oligomers and thermally evaporated Ga. By adjusting the oligomer content in PDMS, a wide range of colors is achieved, showing reversible responses to mechanical stimuli for approximately 80,000 cycles. Prototypes of reflective displays and sensors for various applications are demonstrated.
Publisher
Nature Nanotechnology
Published On
Jun 01, 2024
Authors
Renu Raman Sahu, Alwar Samy Ramasamy, Santosh Bhonsle, Mark Vailshery, Archana S, Hemant Kumar, Tapajyoti Das Gupta
Tags
plasmonic nanostructures
polydimethylsiloxane
mechanical stimuli
color tunability
reflective displays
sensors
Ga nanostructures
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