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- Title
Ultrathin Two-Dimensional Organic-Inorganic Hybrid Perovskite Nanosheets with Bright, Tunable Photoluminescence and High Stability.
- Authors
Yang, Shuang; Niu, Wenxin; Wang, An ‐ Liang; Fan, Zhanxi; Chen, Bo; Tan, Chaoliang; Lu, Qipeng; Zhang, Hua
- Abstract
Two-dimensional (2D) organic-inorganic hybrid perovskite nanosheets (NSs) are attracting increasing research interest due to their unique properties and promising applications. Here, for the first time, we report the facile synthesis of single- and few-layer free-standing phenylethylammonium lead halide perovskite NSs, that is, (PEA)2PbX4 (PEA=C8H9NH3, X=Cl, Br, I). Importantly, their lateral size can be tuned by changing solvents. Moreover, these ultrathin 2D perovskite NSs exhibit highly efficient and tunable photoluminescence, as well as superior stability. Our study provides a simple and general method for the controlled synthesis of 2D perovskite NSs, which may offer a new avenue for their fundamental studies and optoelectronic applications.
- Subjects
PEROVSKITE; PHOTOLUMINESCENCE; LEAD halides; CHEMICAL synthesis; THIN films
- Publication
Angewandte Chemie, 2017, Vol 129, Issue 15, p4316
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201701134