Citation: Siwei Wang, Fanxu Zeng, Yuan Yan, Jinghai Liu, Wei-Lei Zhou, Yong Chen. Monochromophore-tunable supramolecular fluorescence-phosphorescence dual light-harvesting NIR emission for multi-dimensional information encryption[J]. Chinese Chemical Letters, ;2026, 37(4): 112002. doi: 10.1016/j.cclet.2025.112002 shu

Monochromophore-tunable supramolecular fluorescence-phosphorescence dual light-harvesting NIR emission for multi-dimensional information encryption

Siwei Wang ^a ,
Fanxu Zeng ^a ,
Yuan Yan ^a ,
Jinghai Liu ^a ,
Wei-Lei Zhou ^{a, b, *,} ,
Yong Chen ^{b, *,}

a.
College of Chemistry and Material Science, The Technological Innovation Center of Supramolecular Chinese (Mongolian) Medicine, Innovation Team of Optical Functional Molecular Devices, Inner Mongolia Minzu University, Tongliao 028000, China
b.
College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry Nankai University, Tianjin 300071, China

zhouweilei_2011@163.com

chenyong@nankai.edu.cn

Received Date: 24 June 2025
Revised Date: 10 October 2025
Accepted Date: 21 October 2025
Available Online: 22 October 2025

Figures(7)

Organic fluorescence-phosphorescence dual-emitting materials based on tunable single chromophores have attracted much attention for their broad application prospects in information technology, display media and other fields due to their high luminescence stability, simple preparation process and excellent reproducibility. Herein, we constructed a novel LP-activated fluorescence-phosphorescence dual-light-harvesting (FPRET) supramolecular assembly based on LP with orthogonal charges, the phosphorescent molecule G and the NIR dye NIB through a supramolecular non-covalent strategy. The energy transfer efficiency of fluorescence is 54.68% when the molar ratio of G/LP to NIB is 10:1, while the energy transfer efficiency and antenna effect of phosphorescence are 48.75% and 241.43 respectively when the molar ratio of G/LP to NIB is 50:1. In addition, by co-assembling with carbon dots (CDs) and adjusting the ratio of donor to acceptor components, the full-color spectral regulation including white light (CIE chromaticity coordinates x, y = 0.31, 0.33) was realized. Utilizing this LP to promote the supramolecular full-color FPRET assembly of single fluorophore G and showing the multi-level anti-counterfeiting of intelligent logic gates through pattern, time, and color editing, it provides a new insight and direction for the development of a new generation of high-performance optical functional materials.
- Supramolecular assembly,
- Fluorescence-phosphorescence,
- Laponite,
- Light-harvesting,
- Multicolor luminescence
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