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1D Diisopropylammonium Lead Iodide Perovskite Shows Exceptional Optical Stability and Third-Order Nonlinearity

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dc.contributor.author MAQBOOL, SHABNUM|THEKKAYIL, ZIYAD en_US
dc.contributor.author MANDAL, PANKAJ en_US
dc.date.accessioned 2024-02-05T07:27:42Z
dc.date.available 2024-02-05T07:27:42Z
dc.date.issued 2023-08 en_US
dc.identifier.citation Advanced Optical Materials, 11(15), 2202942. en_US
dc.identifier.issn 2195-1071 en_US
dc.identifier.uri https://doi.org/10.1002/adom.202202942 en_US
dc.identifier.uri http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/8463
dc.description.abstract Low-dimensional lead-halide perovskites show wide structural and compositional diversity. Multiple functionalities can be introduced in these materials for diverse linear and nonlinear optical applications. Nonlinear optical (NLO) processes depend on material polarizability, crystal symmetry, and processibility. The flexibility of choosing organic cations in lead-halide perovskites provides an opportunity for enhanced NLO responses by enhancing the overall system polarizability. A highly polarizable diisopropylammonium [Dipa; ((CH3)2CH)2NH2+] is used as an A-site cation to synthesize one-dimensional (1D) lead-iodide (DipaPbI3) perovskite single crystals and the third-harmonic generation (THG) in the excitation wavelength range of 1200–1600 nm is explored. DipaPbI3 single crystals exhibit exceptionally efficient resonance-enhanced THG, amazing optical stability, and a high polarization ratio due to enhanced bulk-polarization. The THG efficiency (χ(3) ≈ 4 × 10−18 m2 V−2) and laser-induced damage threshold (LIDT, 144 GW cm−2) are an order of magnitude higher than the reported perovskites explored as THG materials. Density functional theory calculations show a significantly higher polarizability for Dipa cation, asserting the influence of the cation polarizability on the NLO efficiency of the perovskite. The stability of these single crystals in ambient conditions for an extended period adds to their potential for commercial application in the near future. en_US
dc.language.iso en en_US
dc.publisher Wiley en_US
dc.subject Laser-induced damage threshold en_US
dc.subject Low-dimensional materials en_US
dc.subject Nonlinear optics en_US
dc.subject Perovskites en_US
dc.subject third-harmonic up-conversion en_US
dc.subject 2023 en_US
dc.title 1D Diisopropylammonium Lead Iodide Perovskite Shows Exceptional Optical Stability and Third-Order Nonlinearity en_US
dc.type Article en_US
dc.contributor.department Dept. of Chemistry en_US
dc.identifier.sourcetitle Advanced Optical Materials en_US
dc.publication.originofpublisher Foreign en_US


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