journal article·2022-04

Visible Light Activated Organic Room‐Temperature Phosphorescence Based on Triplet‐to‐Singlet Förster‐Resonance Energy Transfer

Yunhan Zhao, Liangwei Ma, Zizhao Huang, Junji Zhang, Itamar Willner, Xiang Ma, He Tian

Advanced Optical Materials· Volume 10· Issue 8
Publisher page

Abstract

Abstract Stimuli‐responsive room‐temperature phosphorescence (RTP) materials have drawn widespread attention in information encryption, sensors, and bio‐imaging. In this work, a photoactivated organic RTP material through triplet‐to‐singlet Förster‐resonance energy transfer (TS‐FRET) inhibited by visible‐light stimulation is reported. A stable phosphorescence energy donor and a fluorescent dye sensitive to visible light as the energy acceptor are doped into polyvinylpyrrolidone (PVP) polymer matrix to construct an amorphous organic RTP system. Due to the photodegradation characteristic of the energy acceptor, the phosphorescence intensity of the energy donor increases visually upon irradiation with visible light. This study provides a novel strategy to design stimuli‐responsive organic RTP materials.
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Research context

OpenAlex topics: Luminescence and Fluorescent Materials · Organic Light-Emitting Diodes Research · Photoreceptor and optogenetics research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry Institute of Fine Chemicals School of Chemistry and Molecular Engineering East China University of Science and Technology Meilong Road 130 Shanghai 200237 P. R. China

Institute of Chemistry The Center for Nanoscience and Nanotechnology The Hebrew University of Jerusalem Jerusalem 91904 Israel

Funding

National Natural Science Foundation of China · Program of Shanghai Academic Research Leader · Shanghai Municipal Education Commission · Shanghai Education Development Foundation · Fundamental Research Funds for the Central Universities

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