Article ; Online: Nanopatterning of Perovskite Thin Films for Enhanced and Directional Light Emission.
ACS applied materials & interfaces
2022 Volume 14, Issue 33, Page(s) 38067–38076
Abstract: Lead-halide perovskites offer excellent properties for lighting and display applications. Nanopatterning perovskite films could enable perovskite-based devices with designer properties, increasing their performance and adding novel functionalities. We ... ...
Abstract | Lead-halide perovskites offer excellent properties for lighting and display applications. Nanopatterning perovskite films could enable perovskite-based devices with designer properties, increasing their performance and adding novel functionalities. We demonstrate the potential of nanopatterning for achieving light emission of a perovskite film into a specific angular range by introducing periodic sol-gel structures between the injection and emissive layer by using substrate conformal imprint lithography (SCIL). Structural and optical characterization reveals that the emission is funnelled into a well-defined angular range by optical resonances, while the emission wavelength and the structural properties of the perovskite film are preserved. The results demonstrate a flexible and scalable approach to the patterning of perovskite layers, paving the way toward perovskite LEDs with designer angular emission patterns. |
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Language | English |
Publishing date | 2022-08-09 |
Publishing country | United States |
Document type | Journal Article |
ISSN | 1944-8252 |
ISSN (online) | 1944-8252 |
DOI | 10.1021/acsami.2c09643 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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