Abstract
Ionic movement in organometallic halide perovskite is generally looked as a very negative factor to perovskite based opto-electronic devices. It is considered one of the key inducements to efficiency and device stability. Here, we report that the ionic behaviors can lead to multifunctional energy utilizations by a single device with perovskite-polymer hybrid films. By manipulating and utilizing the ionic movement in the device, it acts as a solar cell and/or an ionic storage battery. Besides high efficiency for a solar cell, it has large specific capacities and fast charge ability of battery. It can be charged by light, which shows a promising device that directly transfers the light to electric energy for storage. This work paves a desirable way to achieve multifunctional devices for energy utilizations. It also indicates that ionic behaviors in perovskite have potential applications in various energy devices such as solar cells, ion battery and capacitors.
| Original language | English |
|---|---|
| Pages (from-to) | 31-34 |
| Number of pages | 4 |
| Journal | Synthetic Metals |
| Volume | 250 |
| DOIs | |
| State | Published - Apr 2019 |
| Externally published | Yes |
Keywords
- All weather
- Batteries
- Conjugated polymer
- Perovskite
- Solar cells
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