Ultrasound-activated luminescence with color tunability enabled by mechanoluminescent colloids and perovskite quantum dots.

ABSTRACT: Ultrasound represents a wireless and non-contact route for energy delivery and device control, owing to its ability to propagate and focus in various mediums including biological tissue. Specifically, ultrasound-activated mechanoluminescence from a colloidal suspension of mechanoluminescent (ML) nanocrystals offers a wireless means to remotely control a light source, such as wirelessly addressing a multicolor display. However, the limited color purity and tunability, as well as the large sizes of conventional ML materials prevent their use in an ultrasound-mediated flexible color display. Here, we apply a biomineral-inspired suppressed dissolution approach to synthesize ML colloids with bright blue emission under ultrasound and small sizes down to 20 nm. In addition, we leverage the bandga

SUBMITTER: Yang F 

PROVIDER: S-EPMC10505055 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature