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Perovskite Solar Cells: Rapid Layer‐Specific Annealing Enabled by Ultraviolet LED with Estimation of Crystallization Energy for High‐Performance Perovskite Solar Cells (Adv. Energy Mater. 4/2020)
Author(s) -
Ouyang Zhongliang,
Abrams Henry,
Bergstone Robert,
Li Quantao,
Zhu Feng,
Li Dawen
Publication year - 2020
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.202070014
Subject(s) - materials science , annealing (glass) , light emitting diode , ultraviolet , optoelectronics , planar , crystallization , perovskite (structure) , perovskite solar cell , chemical engineering , layer (electronics) , solar cell , nanotechnology , composite material , engineering , computer graphics (images) , computer science
In article number 1902898, Dawen Li and co‐workers demonstrate a rapid layer‐specific annealing on perovskite active layer enabled by UV‐LEDs. An efficiency close to 19% is achieved for a simple inverted planar structure without any interfacial engineering. Perovskite solar cells with photonic annealing of 12 seconds using UV‐LEDs show better performance than those with traditional hot‐plate heating for 1 hour.