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Potassium nitrilotriacetate (NTAK) was employed to modify the buried SnO2/perovskite interface. Benefiting from the coordination roles of carboxyl and amino groups, and the diffusion role of potassium ions, NTAK could… Click to show full abstract
Potassium nitrilotriacetate (NTAK) was employed to modify the buried SnO2/perovskite interface. Benefiting from the coordination roles of carboxyl and amino groups, and the diffusion role of potassium ions, NTAK could enhance the bilateral connection, improve perovskite morphology, suppress non-radiation recombination, and reduce the hysteresis effect. The optimal device with NTAK modification achieved an effective power conversion efficiency of 21.02%. This was a successful attempt to improve the buried interface.
Journal Title: Chemical communications
Year Published: 2022
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