4.7 Article

Laser-Induced Forward Transferred Optical Scattering Nanosilica for Transparent Displays

Journal

NANOMATERIALS
Volume 12, Issue 20, Pages -

Publisher

MDPI
DOI: 10.3390/nano12203674

Keywords

laser-induced forward transfer; transparent displays; scattering; silica nanoparticle; laser printing

Funding

  1. National Natural Science Foundation of China [61704090, 11904177]
  2. National and Local Joint Engineering Laboratory of RF Integration and Micro-Assembly Technology [KFJJ20210205]

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In this research, laser-induced forward transfer (LIFT) of nanosilica was successfully achieved using a lower-cost nanosecond laser with the addition of graphene oxide (GO) to enhance its light absorption. The study demonstrated the deposition of patterns with a minimum line width of 221 μm and the capability of creating patternable transparent displays. This LIFT-based technique offers a fast, flexible, and low-cost manufacturing method for scattering-based translucent screens or patterns for transparent displays.
Laser printing has become a promising alternative for large-scale fabrication of functional devices. Here, laser-induced forward transfer (LIFT) of nanosilica was successfully achieved using a lower-cost nanosecond laser with a center wavelength of 1064 nm. To enhance the light absorption of silica, a small amount of graphene oxide (GO) was added to the fumed silica. Investigations were conducted to give an insight into the role of GO in the LIFT process. Pattern deposition was achieved with a minimum line width of 221 mu m. The scattering can be tuned from similar to 2.5% to similar to 17.5% by changing the laser fluence. The patternable transparent display based on laser transferred nanosilica (LTNS) film was also demonstrated, showing its capability to deliver information on multiple levels. This LIFT based technique promotes fast, flexible, and low-cost manufacturing of scattering-based translucent screens or patterns for transparent displays.

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