journal article·2019-04Open access

Secure Printing: Tunable Resonator‐Upconverted Emission (TRUE) Color Printing and Applications in Optical Security (Adv. Mater. 15/2019)

Hailong Liu, Jiahui Xu, Hao Wang, Yejing Liu, Qifeng Ruan, Yiming Wu, Xiaogang Liu, Joel K. W. Yang

Advanced Materials· Volume 31· Issue 15

Abstract

In article number 1807900, Xiaogang Liu, Joel K. W. Yang, and co-workers report tunable-resonator upconverted emission (TRUE) color printing, which displays a plasmonic color image under white light while revealing a covert upconversion luminescence appearance under near-infrared laser excitation. A range of luminescent colors and emission enhancement are achieved through incorporating monolayer upconversion nanocrystals within the hot spots of gap-plasmon modes. The TRUE color printing is promising for optical security.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Silicon Nanostructures and Photoluminescence · Nanoplatforms for cancer theranostics · Luminescence and Fluorescent Materials

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Affiliations

Singapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore

Department of Chemistry National University of Singapore Singapore 117543 Singapore

SZU‐NUS Collaborative Innovation Center for Optoelectronic Science & Technology International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education College of Optoelectronic Engineering Shenzhen University Shenzhen 518060 China

Institute of Materials Research and Engineering (IMRE) 2 Fusionopolis Way, Innovis, #08‐03 Singapore 138634 Singapore

References

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