JOURNAL ARTICLE

Real-time three-dimensional monitoring and analysis of perovskite solar cell using short wavelength infrared digital holography.

  • Published In: Applied Physics Letters, 2024, v. 125, n. 23. P. 1 1 of 3

  • Database: Academic Search Ultimate 2 of 3

  • Authored By: Yuan, Enhui; Huang, Haochong; Zhang, Dongshun; Zheng, Zhiyuan; Sun, Dexin; Dong, Jingjing; Qiu, Yifeng 3 of 3

Abstract

This article focuses on the development and application of a short-wave infrared in-line digital holography technique for real-time, nondestructive, three-dimensional monitoring of the crystallization process and surface quality of all-inorganic perovskite films used in solar cells. The method enables precise observation of the rapid crystallization of CsPbBr3 perovskite quantum dots (PQDs) in ethylene-vinyl acetate (EVA) solution within 39 seconds and the slower crystallization of polymethyl methacrylate (PMMA)-matrix-encapsulated CsPbBr3 PQDs over approximately 1285 seconds, using algorithms such as field stitching and phase unwrapping to analyze large or liquid samples. Additionally, the technique quantitatively assesses film surface flatness and defects on fabricated perovskite solar cell components by reconstructing phase maps, revealing edge protrusions and fabrication imperfections. This lensless, vertical-structure holography system offers advantages including high-resolution imaging, immunity to visible light interference, and suitability for large-area or liquid sample analysis, providing valuable tools for optimizing perovskite solar cell fabrication and quality control.

Additional Information

  • Source:Applied Physics Letters. 2024/12, Vol. 125, Issue 23, p1
  • Document Type:Article
  • Subject Area:Science
  • Publication Date:2024
  • ISSN:0003-6951
  • DOI:10.1063/5.0237551
  • Accession Number:182191862
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