Title page for etd-0708118-161818


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URN etd-0708118-161818
Author Jie-Yi Chen
Author's Email Address s0988003189@gmail.com
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Department Materials and Optoelectronic Science
Year 2017
Semester 2
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title Research on Two-Step Manufacturing of Organic-Inorganic Hybrid Perovskite Thin Films For Solar Cell Application
Date of Defense 2018-07-24
Page Count 78
Keyword
  • anti-solvent
  • MAI precursor solution
  • Keywords: perovskite solar cell
  • two-step sequential solution deposition
  • Abstract The thesis presents a study of the two-step sequential solution deposition process was studied for the preparation of high quality perovskite absorber layers for film performance analysis and device fabrication. PbI2 thin film was deposited by thermal evaporation and then soaked in the MAI solution to convert into MAPbI3 thin film. Different concentrations of MAI solutions, as well as solutions with different MACl contents were used to study how the crystallinity and coverage of the perovskite films are influenced by the parameters.
    In the first part, SEM was used for the morphology and crystallinity. In the second part, XRD was used to study the crystalline structure of the films. The third part,
    UV-vis absorption spectroscopy was used for the absorption spectra. Finally, secondary ion mass spectroscopy (SIMS) was used to probe the contents in the films and their depth profile.
    Moreover, we apply anti-solvent to form a dense waterproof layer on the surface of the perovskite film to improve the stability under ambient condition. The process prevents water from entering the interior of the perovskite films, hence to retard the decomposition of the perovskite structure. Our results indicate that the method would be essential for the high-efficient and air-stable perovskite solar cells.
    Advisory Committee
  • Bae Heng Tzeng - chair
  • Yan Nan Jiang - co-chair
  • Li Yin Chen - co-chair
  • Jui Hung Hsu - advisor
  • Files
  • etd-0708118-161818.pdf
  • Indicate in-campus at 5 year and off-campus access at 5 year.
    Date of Submission 2018-08-08

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