Author:
Lv Fengzhen,Ling Kang,Zhong Tingting,Liu Fuchi,Liang Xiaoguang,Zhu Changming,Liu Jun,Kong Wenjie
Abstract
AbstractHigh-quality CH3NH3PbI 3−xClx (MAPIC) films were prepared using potassium chloride (KCl) as an additive on indium tin oxide (ITO)-coated glass substrates using a simple one-step and low-temperature solution reaction. The Au/KCl-MAPIC/ITO/glass devices exhibited obvious multilevel resistive switching behavior, moderate endurance, and good retention performance. Electrical conduction analysis indicated that the resistive switching behavior of the KCl-doped MAPIC films was primarily attributed to the trap-controlled space-charge-limited current conduction that was caused by the iodine vacancies in the films. Moreover, the modulations of the barrier in the Au/KCl-MAPIC interface under bias voltages were thought to be responsible for the resistive switching in the carrier injection trapping/detrapping process.
Publisher
Springer Science and Business Media LLC
Subject
Condensed Matter Physics,General Materials Science
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