Tunable upconversion of holmium sublattice through interfacial energy transfer for anti-counterfeiting

Author:

Huang Rong12345,Liu Songbin12345,Huang Jinshu12345,Liu Huiming12345,Hu Zhiyong12345,Tao Lili678910ORCID,Zhou Bo12345ORCID

Affiliation:

1. State Key Laboratory of Luminescent Materials and Devices

2. Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques

3. Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices

4. South China University of Technology

5. Guangzhou 510641

6. School of Materials and Energy

7. Guangdong Provincial Key Laboratory of Information Photonics Technology

8. Guangdong University of Technology

9. Guangzhou 510006

10. China

Abstract

We report a mechanistic strategy towards the tunable upconversion of holmium sublattice through interfacial energy transfer under both steady-state and non-steady-state excitations, showing great promise in anti-counterfeiting.

Funder

National Natural Science Foundation of China

Guangdong Provincial Pearl River Talents Program

South China University of Technology

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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