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- Title
Aquointermediate Assisted Highly Orientated Perovskite Thin Films toward Thermally Stable and Efficient Solar Cells.
- Authors
Li, Wenzhe; Fan, Jiandong; Mai, Yaohua; Wang, Liduo
- Abstract
The stability of single-crystalline/monocrystalline-like perovskite film is expected to be better than its microcrystalline counterparts. In the present work, highly orientated perovskite thin films (CH3NH3PbI3-xCl x) are prepared by means of aquointermediates assisted solution process. It displays super-duper preferred-orientation along <110> direction that is close to the single crystal, and its diffraction intensity ratio of (110)/(310) is nearly two orders of magnitude higher in contrast to the films that prepared by traditional way. Owing to its superior performances, e.g., highly crystallized quality, stress-free inside films, longer electron lifetime, faster temporal response time, etc., the highly orientated perovskite-based solar cells accordingly allow realizing high efficiency while improving its thermal stability.
- Subjects
SINGLE crystals spectra; PEROVSKITE crystallography; THIN films spectra; THIN film crystallography; SOLAR cells
- Publication
Advanced Energy Materials, 2017, Vol 7, Issue 2, pn/a
- ISSN
1614-6832
- Publication type
Article
- DOI
10.1002/aenm.201601433