Polarization-selective three-photon absorption and subsequent photoluminescence in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>CsPbBr</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math>single crystal at room temperature

Clark, Daniel J.; Stoumpos, Constantinos C.; Saouma, Felix O.; Kanatzidis, Mercouri G.; Jang, Joon I.

doi:10.1103/physrevb.93.195202

Cited by 70 publications

(45 citation statements)

References 48 publications

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“…Overall, the β values of TCMHP film are significantly higher than those of MAPbI 3 film and an order of magnitude higher near to the peak intensity of 35 GW cm −2 . While we could not observe the 3PA response for MAPbI 3 film, the obtained γ values of TCMHP film for each intensity are much larger than those of other perovskite film, micro‐/nanocrystals, and single crystal 15,16,56–60. The β and γ values of various types of perovskite materials reported in previous literatures and current study are summarized in Table 1 .…”

Section: Resultsmentioning

confidence: 49%

Giant Nonlinear Optical Response in Triple Cation Halide Mixed Perovskite Films

Hamad

Kong

Venkatesh

et al. 2020

Advanced Optical Materials

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exceptional properties including high photostability, extremely long charge diffusion length, and thermal stability. The perovskites have become emerging high-performance materials for various optoelectronic applications such as solar cells, [1][2][3] light emitting diodes, [4,5] photodetectors, [6,7] and lasers. [8,9] The halide perovskites also exhibit strong nonlinear optical (NLO) responses, thus opening up possibilities for optoelectronic device applications. [10][11][12][13][14] For instance, organic-inorganic hybrid perovskites with large two-and three-photon absorption (2PA, 3PA) properties [14][15][16] can be utilized in applications such as bioimaging, [17,18] optical limiting, [19] optical sensor protection, [20] and optical data storage. [21] Nonlinear absorption properties of single crystal, nanocrystal, and filmed perovskites have been intensively studied. [10][11][12][13][14][15][16][22][23][24] Recently, lead halide perovskites such as MAPbI 3 (MA = CH 3 NH 3 ) and MAPbBr 3 have shown higher multiphoton absorption (MPA) probability as the excitation wavelength increases in the IR region. [10][11][12][13][14][22][23][24] Johnson et al. [25] reported that the observation of third-order nonlinearities and decay kinetics in MAPbBr 3 and MAPbBr 2 I with different halogen composition. They showed that the third-order nonlinearities of these materials are larger than those of conventional semiconductors. The photoluminescence of MAPbBr 3 single crystal has also been observed in the green region (522-550 nm) with 1044 nm femtosecond laser excitation due to 2PA. [26] Similar nonlinear optical properties were reported in inorganic perovskites, including CsPbI 3 and CsPbBr 3 . [22,27,28] Another type of perovskite, formamidinium lead iodide (FAPbI 3 ), has a low bandgap (1.47 eV) and greater photostability and thermal stability [29,30] than MAPbI 3 . However, FAPbI 3 has a weak structural stability due to humidity, which prevents it from real-life applications. [31] Recently, it has been demonstrated that the mixture of Cs and MAPbI 3 , CsMAPbI 3 , can lead to a stable solar cell with power conversion efficiency of ≈8%. [32] In addition, the mixture of Cs in FAPbI 3 , such as FA 0.9 Cs 0.1 PbI 3 , showed an improved thermal stability and results in high power conversion efficiency of ≈16.5%. [33] By using this material, Yi et al. have demonstrated power conversion efficiency up to 18% with a halide mixer I/Br. [34] The malleable association The versatility of perovskites through chemical composition modification is critical for enhancing performance of a range of potential applications such as light emitters and integrated photovoltaics. However, a systematic study on the nonlinear optical (NLO) responses of these perovskites is still lacking. Here, for the first time, the NLO properties of triple cation mixed halide perovskite (TCMHP) films, (Cs 0.06 FA 0.79 MA 0.15 )Pb (I 0.85 Br 0.15 ) 3 , using Z-scan and time-resolved spectroscopy, are investigated. It is found that TCMHP film shows strong saturable abs...

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Section: Resultsmentioning

confidence: 49%

Giant Nonlinear Optical Response in Triple Cation Halide Mixed Perovskite Films

Hamad

Kong

Venkatesh

et al. 2020

Advanced Optical Materials

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“…The octahedral [PbI 6 ] 4− building blocks of CsPbI 3 undergo a large degree of tilting with respect to the ideal cubic perovskite nanosheets structure (The Pb‐I‐Pb angle is strictly 180°). This octahedral block embedded in the orthorhombic matrix of Cs + contributes significantly to optical properties of CsPbI 3 . Looking along the b ‐axis in the crystalline structure, the plane demonstrates square morphology, corresponding to the morphology of synthesized CsPbI 3 nanosheets.…”

Section: Resultsmentioning

confidence: 97%

Space‐Confined Synthesis of 2D All‐Inorganic CsPbI₃ Perovskite Nanosheets for Multiphoton‐Pumped Lasing

Zheng

Wang

Shen

et al. 2018

Advanced Optical Materials

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With multiphoton‐pumped lasing, 2D all‐inorganic CsPbI3 perovskite nanoplates demonstrate a wide range of applications which results from its high crystalline quality and a nearly perfect naturally formed whispering gallery mode cavity. However, there still remains a difficulty in controllable synthesizing 2D CsPbI3 nanosheets with high crystalline quality. In this work, high‐quality 2D CsPbI3 perovskite nanosheets have been synthesized successfully with controllable morphology through space‐confined vapor‐phase epitaxial growth. More importantly, the morphology and crystalline quality of CsPbI3 perovskite nanosheets could be easily tuned by adjusting the diffusion and growth process achieved by adjusting the space‐confined distance and growth temperature. The typical square‐like CsPbI3 perovskite nanosheets can be as thin as 6.0 nm with a lateral size of 10.0 µm. The photoluminescence emission properties show a distinct dependence on thickness of these as‐grown CsPbI3 perovskite nanosheets. In addition, the as‐fabricated CsPbI3 perovskite nanosheets demonstrate one‐photon and two‐photon excitation‐pumped lasing with low‐threshold and high‐quality factor. The excellent multiphoton‐pumped lasing properties of the CsPbI3 perovskite nanosheets are attributed to their high crystalline quality, implying great promise for future applications in high‐performance optoelectronics.

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“…82 Moreover, bulk CsPbBr 3 has a good radiation detecting ability and good nonlinear properties. 83,84 The photostability of the Cs-LHQDs is higher than that of organic dyes and is comparable to the cadmium chalcogenide nanoparticles. Surface passivation of the nanoparticles improves the photostability (over 36 h) of the cesium lead halide perovskites when deposited as a thin film with negligible changes in the bandgap (from 2.37 to 2.39 eV).…”

Section: Structural Optical and Morphological Properties Of Cs-lhqdsmentioning

confidence: 94%

“…18,19 A very recent analysis indicates that this efficiency increases to over 17% with the composition of Cs 0.2 FA 0.8 PbI 2. 84 Br 0. 16 .…”

Section: Introductionmentioning

confidence: 99%

Cesium lead halide ( CsPbX ₃, X = Cl , Br, I) perovskite quantum dots-synthesis, properties, and applications: a review of their present status

2016

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, "Cesium lead halide (CsPbX 3 , X ¼ Cl, Br, I) perovskite quantum dots-synthesis, properties, and applications: a review of their present status," J. Photon. Energy 6(4), 042001 (2016), doi: 10.1117/1.JPE.6.042001. Abstract. Metal halide-based perovskite quantum dots (QDs) have emerged as promising materials for optoelectronics and future energy applications. Among them, cesium lead halide-based perovskite quantum dots (Cs-LHQDs) have been found to be potential luminescent candidates and alternatives for the II-VI and I − III − VI 2 groups semiconductor nanoparticles. These perovskites provide an excellent quantum yield (90%) larger than any other semiconductor QDs. At present, synthesis of Cs-LHQDs has been successfully achieved through a traditional colloidal-based hot-injection method and a room temperature precipitation method. Some of the interesting results in their structural, optical, and morphological properties are being analyzed to understand their energy-transfer mechanism in the colloidal state. Morphology of nanoplates, nanowires, nanocube, and nanosheets in these materials confirms their physical parametersdependent self-assembly nature in a colloidal medium. Their potential use for light emitting diodes, photodetectors, and lasers is also highly motivated. This review provides a collective view of recent developments made in the synthesis of Cs-LHQDs and their properties. © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Polarization-selective three-photon absorption and subsequent photoluminescence inCsPbBr3single crystal at room temperature

Cited by 70 publications

References 48 publications

Giant Nonlinear Optical Response in Triple Cation Halide Mixed Perovskite Films

Giant Nonlinear Optical Response in Triple Cation Halide Mixed Perovskite Films

Space‐Confined Synthesis of 2D All‐Inorganic CsPbI₃ Perovskite Nanosheets for Multiphoton‐Pumped Lasing

Cesium lead halide ( CsPbX ₃, X = Cl , Br, I) perovskite quantum dots-synthesis, properties, and applications: a review of their present status

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Polarization-selective three-photon absorption and subsequent photoluminescence inCsPbBr3single crystal at room temperature

Cited by 70 publications

References 48 publications

Giant Nonlinear Optical Response in Triple Cation Halide Mixed Perovskite Films

Giant Nonlinear Optical Response in Triple Cation Halide Mixed Perovskite Films

Space‐Confined Synthesis of 2D All‐Inorganic CsPbI3 Perovskite Nanosheets for Multiphoton‐Pumped Lasing

Cesium lead halide ( CsPbX 3, X = Cl , Br, I) perovskite quantum dots-synthesis, properties, and applications: a review of their present status

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Product

Resources

About

Space‐Confined Synthesis of 2D All‐Inorganic CsPbI₃ Perovskite Nanosheets for Multiphoton‐Pumped Lasing

Cesium lead halide ( CsPbX ₃, X = Cl , Br, I) perovskite quantum dots-synthesis, properties, and applications: a review of their present status