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Transparent dynamic infrared emissivity regulators

Author

Listed:
  • Yan Jia

    (National University of Defense Technology)

  • Dongqing Liu

    (National University of Defense Technology)

  • Desui Chen

    (Zhejiang University)

  • Yizheng Jin

    (Zhejiang University)

  • Chen Chen

    (National University of Defense Technology)

  • Jundong Tao

    (National University of Defense Technology)

  • Haifeng Cheng

    (National University of Defense Technology)

  • Shen Zhou

    (National University of Defense Technology
    National University of Defense Technology)

  • Baizhang Cheng

    (National University of Defense Technology)

  • Xinfei Wang

    (National University of Defense Technology)

  • Zhen Meng

    (National University of Defense Technology)

  • Tianwen Liu

    (National University of Defense Technology)

Abstract

Dynamic infrared emissivity regulators, which can efficiently modulate infrared radiation beyond vision, have emerged as an attractive technology in the energy and information fields. The realization of the independent modulation of visible and infrared spectra is a challenging and important task for the application of dynamic infrared emissivity regulators in the fields of smart thermal management and multispectral camouflage. Here, we demonstrate an electrically controlled infrared emissivity regulator that can achieve independent modulation of the infrared emissivity while maintaining a high visible transparency (84.7% at 400–760 nm). The regulators show high degree of emissivity regulation (0.51 at 3–5 μm, 0.41 at 7.5–13 μm), fast response ( 104 cycles). The infrared emissivity regulation is attributed to the modification of the carrier concentration in the surface depletion layer of aluminum-doped zinc oxide nanocrystals. This transparent infrared emissivity regulator provides opportunities for applications such as on-demand smart thermal management, multispectral displays, and adaptive camouflage.

Suggested Citation

  • Yan Jia & Dongqing Liu & Desui Chen & Yizheng Jin & Chen Chen & Jundong Tao & Haifeng Cheng & Shen Zhou & Baizhang Cheng & Xinfei Wang & Zhen Meng & Tianwen Liu, 2023. "Transparent dynamic infrared emissivity regulators," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-40902-w
    DOI: 10.1038/s41467-023-40902-w
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    Cited by:

    1. Rongxuan Zhu & Huanzheng Zhu & Bing Qin & Wenzhe Yao & Meng Zhao & Neng Yu & Zixian Su & Lijuan Xie & Hongbin Ma & Jiangtao Huangfu & Pintu Ghosh & Min Qiu & Qiang Li, 2025. "Digital camouflage encompassing optical hyperspectra and thermal infrared-terahertz-microwave tri-bands," Nature Communications, Nature, vol. 16(1), pages 1-12, December.
    2. Min Li & Yaowu Li & Shan Cong & Jing Zhang & Huifang Li & Taoyang Zhang & Dongmei Hu & Zhenzhong Yong & Qingwen Li & Zhen Wang & Zhigang Zhao, 2025. "Spectral decoupling regulation through targeted ion migration in electro-optical resonators," Nature Communications, Nature, vol. 16(1), pages 1-10, December.
    3. Yingyue Zhang & Hanrui Zhu & Shun An & Wenkui Xing & Benwei Fu & Peng Tao & Wen Shang & Jianbo Wu & Michael D. Dickey & Chengyi Song & Tao Deng, 2024. "Chameleon-inspired tunable multi-layered infrared-modulating system via stretchable liquid metal microdroplets in elastomer film," Nature Communications, Nature, vol. 15(1), pages 1-13, December.

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