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- Title
Nanoscale Perovskite‐Sensitized Solar Cell Revisited: Dye‐Cell or Perovskite‐Cell?
- Authors
Yoo, So‐Min; Lee, Seul‐Yi; Velilla Hernandez, Esteban; Kim, Myoung; Kim, Gitae; Shin, Taeho; Nazeeruddin, Mohammad Khaja; Mora‐Seró, Iván; Lee, Hyo Joong
- Abstract
A general and straightforward way of preparing few‐nanometer‐sized well‐separated MAPbIxBr3−x (MA=methylammonium) perovskite photosensitizers on the surface of an approximately 1 μm thick mesoporous TiO2 photoanode was suggested through a two‐step sequential deposition of low‐concentrated lead halides (0.10–0.30 m PbI2 or PbBr2) and methylammonium iodide/bromide (MAI/MABr). When those nanoscale MAPbIxBr3−x perovskites were incorporated as a photosensitizer in typical solid‐state dye‐sensitized solar cells (ss‐DSSCs), it could be verified clearly by the capacitance analysis that nano‐particulate MAPbI3 perovskites play the same role as that of a typical dye sensitizer (MK‐2 molecule) although their size, composition, and structure are different.
- Subjects
DYE-sensitized solar cells; SOLAR cells; LEAD halides; PHOTOSENSITIZERS
- Publication
ChemSusChem, 2020, Vol 13, Issue 10, p2571
- ISSN
1864-5631
- Publication type
Article
- DOI
10.1002/cssc.202000223