Rare-Earth-Metal-Free Solid-State Fluorescent Carbonized-Polymer Microspheres for Unclonable Anti-Counterfeit Whispering-Gallery Emissions from Red to Near-Infrared Wavelengths

Article

Creator

Barun Kumar Barman ; Hiroyuki Yamada ; Keisuke Watanabe ; Kenzo Deguchi ; Shinobu Ohki ; Kenjiro Hashi ; Atsushi Goto ; Tadaaki Nagao

Keyword

Carbonized polymer microsphere, Rare earth free, fluorescence, multicolor emission, near-infrared, encoded-anti-counterfeit, ecofriendly

Date published

2024-06-12

Updated at

2024-11-13 16:30:31 +0900