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Molecular near-infrared triplet-triplet annihilation upconversion with eigen oxygen immunity

Author

Listed:
  • Xinyu Wang

    (Harbin Institute of Technology)

  • Fangwei Ding

    (Harbin Institute of Technology)

  • Tao Jia

    (Harbin Institute of Technology)

  • Feng Li

    (Harbin Institute of Technology)

  • Xiping Ding

    (Harbin Institute of Technology)

  • Ruibin Deng

    (Harbin Institute of Technology)

  • Kaifeng Lin

    (Harbin Institute of Technology)

  • Yulin Yang

    (Harbin Institute of Technology)

  • Wenzhi Wu

    (Heilongjiang University)

  • Debin Xia

    (Harbin Institute of Technology)

  • Guanying Chen

    (Harbin Institute of Technology
    Harbin Institute of Technology)

Abstract

Molecular triplet-triplet annihilation upconversion often experiences drastic luminescence quenching in the presence of oxygen molecules, posing a significant constraint on practical use in aerated conditions. We present an oxygen-immune near-infrared triplet-triplet annihilation upconversion system utilizing non-organometallic cyanine sensitizers (λex = 808 nm) and chemically synthesized benzo[4,5]thieno[2,3-b][1,2,5]thiadiazolo[3,4-g]quinoxaline dyes with a defined dimer structure as annihilators (λem = 650 nm). This system exhibits ultrastable upconversion under continuous laser irradiance (>480 mins) or extended storage (>7 days) in aerated solutions. Mechanistic investigations reveal rapid triplet-triplet energy transfer from sensitizer to annihilators, accompanied by remarkably low triplet oxygen quenching efficiencies ( $${\eta }_{{{{\mbox{O}}}}_{2}}$$ η O 2

Suggested Citation

  • Xinyu Wang & Fangwei Ding & Tao Jia & Feng Li & Xiping Ding & Ruibin Deng & Kaifeng Lin & Yulin Yang & Wenzhi Wu & Debin Xia & Guanying Chen, 2024. "Molecular near-infrared triplet-triplet annihilation upconversion with eigen oxygen immunity," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-46541-z
    DOI: 10.1038/s41467-024-46541-z
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    References listed on IDEAS

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    1. Benjamin D. Ravetz & Andrew B. Pun & Emily M. Churchill & Daniel N. Congreve & Tomislav Rovis & Luis M. Campos, 2019. "Author Correction: Photoredox catalysis using infrared light via triplet fusion upconversion," Nature, Nature, vol. 570(7759), pages 24-24, June.
    2. Benjamin D. Ravetz & Andrew B. Pun & Emily M. Churchill & Daniel N. Congreve & Tomislav Rovis & Luis M. Campos, 2019. "Photoredox catalysis using infrared light via triplet fusion upconversion," Nature, Nature, vol. 565(7739), pages 343-346, January.
    3. Xiangzhao Ai & Zhimin Wang & Haolun Cheong & Yong Wang & Ruochong Zhang & Jun Lin & Yuanjin Zheng & Mingyuan Gao & Bengang Xing, 2019. "Multispectral optoacoustic imaging of dynamic redox correlation and pathophysiological progression utilizing upconversion nanoprobes," Nature Communications, Nature, vol. 10(1), pages 1-11, December.
    4. Ling Huang & Timmy Le & Kai Huang & Gang Han, 2021. "Enzymatic enhancing of triplet–triplet annihilation upconversion by breaking oxygen quenching for background-free biological sensing," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    5. K. Börjesson & P. Rudquist & V. Gray & K. Moth-Poulsen, 2016. "Photon upconversion with directed emission," Nature Communications, Nature, vol. 7(1), pages 1-8, November.
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