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최적화된 Anti-solvent 첨가물 방법을 이용한 페로브스카이트 박막 패시베이션

Optimization Strategy for Passivation of Perovskite thin Films via Anti-solvent Additive Method

  • 이원종 (에너지과학기술대학원, 충남대학교) ;
  • ;
  • ;
  • 김선규 (에너지과학기술대학원, 충남대학교) ;
  • 윤시원 (에너지과학기술대학원, 충남대학교) ;
  • 한혜지 (에너지과학기술대학원, 충남대학교) ;
  • 임종철 (에너지과학기술대학원, 충남대학교)
  • Wonjong Lee (Graduate School of Energy Science and Technology, Chungnam National University) ;
  • Muhammad Adnan (Graduate School of Energy Science and Technology, Chungnam National University) ;
  • Zobia Irshad (Graduate School of Energy Science and Technology, Chungnam National University) ;
  • Sunkyu Kim (Graduate School of Energy Science and Technology, Chungnam National University) ;
  • Siwon Yun (Graduate School of Energy Science and Technology, Chungnam National University) ;
  • Hyeji Han (Graduate School of Energy Science and Technology, Chungnam National University) ;
  • Jongchul Lim (Graduate School of Energy Science and Technology, Chungnam National University)
  • 투고 : 2024.10.30
  • 심사 : 2024.11.14
  • 발행 : 2024.12.31

초록

An anti-solvent additive method is one of process for passivating defect to improve the crystal quality, stability, and suppressing charge losses. The functional groups of additives can interact with perovskite ions and it can prevent ion vacancies and defects. However, due to different polarity between additives and anti-solvent, the additives have less solubility in the anti-solvent. Herein, we propose a method to optimize the dissolution of additives in anti-solvents, and observe the characteristics of perovskite films produced by the anti-solvent additive method through spectroscopy analysis. We obtained the solubility of additives through absorbance and predicted the unsaturation concentration. In addition, the passivated perovskite films by optimized concentration showed different passivation effects according to additives.

키워드

과제정보

This research was supported by Nano·Material Technology Development Program through the National Research Foundation of Korea (NRF) funded by Ministry of Science and ICT (grant number-2021M3H4A1A02057007). This work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea (No. RS-2023-00236664).

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