MAPbCl3-Mediated Decomposition Process to Tune Cl/PbI2 Distribution in MAPbI3 Films
Source abstract
Abstract
Various methods have been developed to optimize the active layer of perovskite solar cells. To date, the introduction of excess PbI2 and chlorine doping are two typical means. Herein, an ion exchange–decomposition process was designed to combine these two approaches. In this process, the I–Cl exchange and MACl sublimation occurred simultaneously at elevated temperature, resulting in a PbI2-excess, Cl-doped perovskite film. This combined strategy could guarantee that as much chlorine as possible was doped into the perovskite crystal lattice, which enables the production of perovskite films with obviously reduced defect density and enhanced carrier diffusion length. Strikingly, the power conversion efficiency of the device is boosted from 17.17% to 20.15%.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Perovskite Materials and Applications · Chalcogenide Semiconductor Thin Films · Quantum Dots Synthesis And Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, PR China
Qingdao University of Science and Technology, Qingdao 266042, PR China
Funding
Dalian Institute of Chemical Physics · Youth Innovation Promotion Association of the Chinese Academy of Sciences · National Natural Science Foundation of China · Outstanding Youth Foundation of Shandong Province · Qingdao Key Laboratory of Solar Energy Utilization and Energy Storage Technology · Qingdao Institute of Bioenergy and Bioprocess Technology
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