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  1. Article

    Open Access

    A metasurface-based full-color circular auto-focusing Airy beam transmitter for stable high-speed underwater wireless optical communications

    Due to its unique intensity distribution, self-acceleration, and beam self-healing properties, Airy beam holds great potential for optical wireless communications in challenging channels, such as underwater en...

    Junhui Hu, Zeyuan Guo, Jianyang Shi, **ong Jiang, Qinmiao Chen… in Nature Communications (2024)

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  2. No Access

    Article

    Highly efficient vortex generation at the nanoscale

    Control of the angular momentum of light at the nanoscale is critical for many applications of subwavelength photonics, such as high-capacity optical communications devices, super-resolution imaging and optica...

    Qinmiao Chen, Geyang Qu, Jun Yin, Yuhan Wang, Ziheng Ji… in Nature Nanotechnology (2024)

  3. Article

    Open Access

    Cascaded metasurfaces for high-purity vortex generation

    We introduce a new paradigm for generating high-purity vortex beams with metasurfaces. By applying optical neural networks to a system of cascaded phase-only metasurfaces, we demonstrate the efficient generati...

    Feng Mei, Geyang Qu, **nbo Sha, **g Han, Moxin Yu, Hao Li… in Nature Communications (2023)

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  4. Article

    Open Access

    High-efficiency broadband achromatic metalens for near-IR biological imaging window

    Over the past years, broadband achromatic metalenses have been intensively studied due to their great potential for applications in consumer and industry products. Even though significant progress has been mad...

    Yujie Wang, Qinmiao Chen, Wenhong Yang, Ziheng Ji, Limin **… in Nature Communications (2021)

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  5. Article

    Open Access

    Phase characterisation of metalenses

    Metalenses have emerged as a new optical element or system in recent years, showing superior performance and abundant applications. However, the phase distribution of a metalens has not been measured directly ...

    Maoxiong Zhao, Mu Ku Chen, Ze-Peng Zhuang, Yiwen Zhang… in Light: Science & Applications (2021)

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  6. No Access

    Article

    Influences of rapid thermal annealing on Cu2ZnSnS4 thin film fabricated by spraying approach

    Nowadays, Cu2ZnSnS4 is considered as a promising photoabsorption material for thin film solar cells, because of its excellent optical properties. Moreover, it features low cost and eco-friendly. In this work, the...

    Fengchao Wang, **aogai Peng, Yu Sun… in Journal of Materials Science: Materials in… (2021)

  7. No Access

    Article

    Perovskite solar cells prepared under infrared irradiation during fabrication process in air ambience

    Develo** fabrication method without glove-box is essential to industrialize the revolutionary development of perovskite solar cell (PSC). In this paper, infrared irradiation during the fabrication process wa...

    Wei Zhu, Qinmiao Chen, Yoshinori Yamaguchi… in Journal of Materials Science: Materials in… (2020)

  8. No Access

    Article

    The properties of the earth abundant Cu2SnS3 thin film prepared by spray pyrolysis and rapid thermal annealing route

    Ternary compound Cu2SnS3 (CTS) was fabricated by simple, low cost and high efficient spray pyrolysis and rapid thermal annealing route. The influences of annealing temperature and annealing duration on the proper...

    Qinmiao Chen, Zhen Jia, Hongcun Yuan… in Journal of Materials Science: Materials in… (2019)

  9. No Access

    Article

    Facile preparation of novel Cu–Zn–S film by spray pyrolysis

    In this work, novel Cu–Zn–S (CZS) thin film for solar cell was successfully synthesized using a facile preparation method of spray pyrolysis. Copper (II) chloride dihydrate, zinc(II) acetate dihydrate and thio...

    **aojun Xu, Qinmiao Chen, Hongcun Yuan… in Journal of Materials Science: Materials in… (2017)

  10. No Access

    Article

    The synthesis of Cu2ZnSnS4 nanoparticles via an open-air solution route: influences of Zn precursor content

    In the present work, Cu2ZnSnS4 (CZTS) nanoparticles (NPs) for use in low-cost thin film solar cells were successfully synthesized using a facile open-air solution route. Copper(II) chloride dihydrate, zinc(II) a...

    ** Chen, Qinmiao Chen, Yi Ni… in Journal of Sol-Gel Science and Technology (2015)

  11. No Access

    Article

    Influences of synthesis conditions on chemical composition of Cu2ZnSnS4 nanocrystals prepared by one pot route

    In present work, the Cu2ZnSnS4 (CZTS) nanocrystals (NCs) were successfully synthesized via a rapid and simple one pot route. The influences of the reaction temperature and time on the chemical composition were fi...

    ** Chen, Qinmiao Chen, Hongchun Yuan… in Journal of Materials Science: Materials in… (2014)