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Biobased and biodegradable films exhibiting circularly polarized room temperature phosphorescence

Author

Listed:
  • Mengnan Cao

    (Northeast Forestry University)

  • Yiran Ren

    (Shenzhen University)

  • Yue Wu

    (Shenzhen University)

  • Jingjie Shen

    (Northeast Forestry University)

  • Shujun Li

    (Northeast Forestry University)

  • Zhen-Qiang Yu

    (Shenzhen University)

  • Shouxin Liu

    (Northeast Forestry University)

  • Jian Li

    (Northeast Forestry University)

  • Orlando J. Rojas

    (University of British Columbia, Vancouver, British Columbia
    University of British Columbia
    University of British Columbia)

  • Zhijun Chen

    (Northeast Forestry University)

Abstract

There is interest in developing sustainable materials displaying circularly polarized room-temperature phosphorescence, which have been scarcely reported. Here, we introduce biobased thin films exhibiting circularly polarized luminescence with simultaneous room-temperature phosphorescence. For this purpose, phosphorescence-active lignosulfonate biomolecules are co-assembled with cellulose nanocrystals in a chiral construct. The lignosulfonate is shown to capture the chirality generated by cellulose nanocrystals within the films, emitting circularly polarized phosphorescence with a 0.21 dissymmetry factor and 103 ms phosphorescence lifetime. By contrast with most organic phosphorescence materials, this chiral-phosphorescent system possesses phosphorescence stability, with no significant recession under extreme chemical environments. Meanwhile, the luminescent films resist water and humid environments but are fully biodegradable (16 days) in soil conditions. The introduced bio-based, environmentally-friendly circularly polarized phosphorescence system is expected to open many opportunities, as demonstrated here for information processing and anti-counterfeiting.

Suggested Citation

  • Mengnan Cao & Yiran Ren & Yue Wu & Jingjie Shen & Shujun Li & Zhen-Qiang Yu & Shouxin Liu & Jian Li & Orlando J. Rojas & Zhijun Chen, 2024. "Biobased and biodegradable films exhibiting circularly polarized room temperature phosphorescence," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-45844-5
    DOI: 10.1038/s41467-024-45844-5
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    References listed on IDEAS

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    1. Long Gu & Hongwei Wu & Huili Ma & Wenpeng Ye & Wenyong Jia & He Wang & Hongzhong Chen & Nan Zhang & Dongdong Wang & Cheng Qian & Zhongfu An & Wei Huang & Yanli Zhao, 2020. "Color-tunable ultralong organic room temperature phosphorescence from a multicomponent copolymer," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
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