Localized surface plasmon for enhanced lasing performance in solution-processed perovskites

Tsung-Sheng Kao, Kuo Bin Hong, Yu Hsun Chou, Jiong Fu Huang, Fang-Chung Chen, Tien-Chang Lu

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


A promising method to promote the lasing performance of solution-processed organic-inorganic lead-halide perovskites has been demonstrated. With the adding Ag and PMMA thin films, the threshold excitation power for low-temperature lasing action in perovskites can be greatly reduced by over two orders of magnitude than that acquired in bare perovskite layers, ascribing to the strong exciton-plasmon coupling between the Ag and perovskite films. Also, the PMMA layer can be exploited to prevent the perovskite degradation from the hydrolysis in ambient environment, achieving long-lasting light-emitting performance. The advantages exhibited by the hybrid perovskite configuration would be very promising in making practical laser devices.

Original languageEnglish
Pages (from-to)20696-20702
Number of pages7
JournalOptics Express
Issue number18
StatePublished - 5 Sep 2016


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