Near-infrared-excitable perovskite quantum dots via coupling with upconversion nanoparticles for dual-model anti-counterfeiting†
Mengnan Rao,Jie Fu,Xing Wen,Bing Sun,Jing Wu,Xuanhe Liu,Xueling Dong
New Journal of Chemistry Pub Date : 06/21/2018 00:00:00 , DOI:10.1039/C8NJ02315H
Abstract

Here, we report the design of upconversion nanoparticle-coupled perovskite quantum dots that are full-color tunable under single near-infrared (NIR) excitation. Consequently, we demonstrate the use of these hybrid nanomaterials in printable, NIR-excitable, dual-model anti-counterfeiting.

Graphical abstract: Near-infrared-excitable perovskite quantum dots via coupling with upconversion nanoparticles for dual-model anti-counterfeiting