4.6 Article

Revisiting Effects of Ligand-Capped Nanocrystals in Perovskite Solar Cells

Journal

ACS ENERGY LETTERS
Volume 5, Issue 4, Pages 1032-1034

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acsenergylett.0c00279

Keywords

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Funding

  1. Technology Development Program to Solve Climate Changes [2015M1A2A2056827]
  2. National Research Foundation of Korea - Ministry of Science and ICT [NRF-2019M3D1A1078296, NRF-2019M3D1A2104108]
  3. Ministry of Education [2018R1D1A1B07050694]
  4. National Research Foundation of Korea [2015M1A2A2056824] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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Perovskite solar cells adopting a layer of various nanocrystals (NCs) on top of perovskite film exhibit similar enhancement of the photovoltaic (PV) properties regardless of the kind of NC material, even though NC materials possess different electrical and optical properties. In this paper, we reveal that the key reason for the enhanced PV performance is the surface passivation effect of the perovskite film by oleylamine ligands of NCs.

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