Highly Flexible CsPbI3 Perovskite Nanocrystal Light‐Emitting Diodes
Source abstract
Abstract
Abstract The superior optical and electrical properties of perovskite nanocrystals (NCs) make them attractive for light‐emitting diodes (LEDs). However, making stable flexible LEDs still remains a big challenge. Here, highly flexible CsPbI3 perovskite LEDs were fabricated using a photopolymer as the substrate, and an ultra‐smooth Ag films instead of ITO as the bottom electrode. Moreover, the device electron injection was also improved with Ag electrode. The flexible LEDs exhibited excellent electroluminescence characteristics with a low turn‐on voltage of 2.0 V and an external quantum efficiency of 8.2%. In addition, the flexible LEDs maintained their good performance after 1000 times of repeated 180 degree stretch‐release bending.
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Research context
OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties · Organic Light-Emitting Diodes Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Integrated Optoelectronics and College of Electronic Science and Engineering Jilin University Changchun 130012 China
Department of Chemistry and Physics Louisiana State University Shreveport LA 71115 USA
Department of Chemistry Brown University Providence RI 02912 USA
Funding
Natural Science Foundation of China
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