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Nano Research 2021, 14(5): 1397-1404 https://doi.org/10.1007/s12274-020-3189-7
Research Article | Issue | Published: 01 December 2020

Blinking CsPbBr3 perovskite nanocrystals for the nanoscopic imaging of electrospun nanofibers

Show Author's Information Tianyu Chen1,  Mengna Huang2,  Zhongju Ye1,  Jianhao Hua1,  Shen Lin1( ),  Lin Wei2( ),  Lehui Xiao1( )
State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin 300071, China
Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education, Key Laboratory of Phytochemical R&D of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
Keywords:
CsPbBr3, perovskite nanocrystals, polystyrene, electrospun nanofiber, super-resolution optical imaging
Topics:
Atomic physicsElectrospinningFluorescence imagingImage processingLead compoundsNanocrystalsPerovskite
Cite this article:
Chen T, Huang M, Ye Z, et al. Blinking CsPbBr3 perovskite nanocrystals for the nanoscopic imaging of electrospun nanofibers. Nano Research, 2021, 14(5): 1397-1404. https://doi.org/10.1007/s12274-020-3189-7
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Abstract Full text Electronic supplementary material About this article

Blinking fluorophore perovskite nanocrystals (NCs) were employed to image the fine structure of the polystyrene (PS) electrospun fibers. The conditions of CsPbBr3 NCs embedded and dispersed into PS were investigated and optimized. The stochastic optical reconstruction microscopy is employed to visualize the fine structure of the resulted CsPbBr3@PS electrospun fibers at sub-diffraction limit. The determined resolution in the reconstructed nanoscopic image is around 25.5 nm, which is much narrower than that of conventional fluorescence image. The complex reticulation and multicompartment in bead sub-diffraction-limited structures of CsPbBr3@PS electrospun fibers were successfully mapped with the help of the stochastic blinking properties of CsPbBr3 NCs. This work demonstrated the potential applications of CsPbBr3 perovskite NCs in super-resolution fluorescence imaging to reconstruct the sub-diffraction-limited features of polymeric material.


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Electronic supplementary material
About this article

Blinking CsPbBr3 perovskite nanocrystals for the nanoscopic imaging of electrospun nanofibers

Show Author's information Tianyu Chen1, Mengna Huang2, Zhongju Ye1, Jianhao Hua1, Shen Lin1( ), Lin Wei2( ), Lehui Xiao1( )
State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin 300071, China
Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education, Key Laboratory of Phytochemical R&D of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China

Abstract

Blinking fluorophore perovskite nanocrystals (NCs) were employed to image the fine structure of the polystyrene (PS) electrospun fibers. The conditions of CsPbBr3 NCs embedded and dispersed into PS were investigated and optimized. The stochastic optical reconstruction microscopy is employed to visualize the fine structure of the resulted CsPbBr3@PS electrospun fibers at sub-diffraction limit. The determined resolution in the reconstructed nanoscopic image is around 25.5 nm, which is much narrower than that of conventional fluorescence image. The complex reticulation and multicompartment in bead sub-diffraction-limited structures of CsPbBr3@PS electrospun fibers were successfully mapped with the help of the stochastic blinking properties of CsPbBr3 NCs. This work demonstrated the potential applications of CsPbBr3 perovskite NCs in super-resolution fluorescence imaging to reconstruct the sub-diffraction-limited features of polymeric material.

Keywords: CsPbBr3, perovskite nanocrystals, polystyrene, electrospun nanofiber, super-resolution optical imaging

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Publication history
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Acknowledgements

Publication history

Received: 16 September 2020
Revised: 13 October 2020
Accepted: 15 October 2020
Published: 01 December 2020
Issue date: May 2021

Copyright

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature

Acknowledgements

This work was supported by the National Natural Science Foundation of China (No. 21974073).

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