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Xiong Y, Xu X, Chen B, Xu X. Highly Crystalized MAPbX 3 Perovskite Triangular Nanowire Arrays for Optoelectronic Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310427. [PMID: 38012003 DOI: 10.1002/adma.202310427] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/16/2023] [Indexed: 11/29/2023]
Abstract
Here, a facile fabrication approach for the high-quality 1D perovskite triangular nanowire (TNW) array synthesis through space-confined effect is reported. A soft stamp containing 1D triangular linear array pattern is used to confine the MAPbX3 solution and to guide the growth of the nanowires along the prescribed direction with good crystallinity. The further constructed photodetectors based on the obtained MAPbI3 TNWs exhibit superior photoresponse properties with a responsivity of (125.2 ± 2.5) A W-1 and detectivity of (2.8 ± 0.8) × 1013 Jones at the wavelength of 650 nm. This excellent performance is attributed to the highly crystalline TNW with optical anisotropy and a small asymptotic height, which reduces the probability of the photon reflection and promotes the carrier transport. More interestingly, the increased surface area of the triangular device can present superior flexibility after a couple of thousands of bending cycles. Furthermore, by fabricating 7 × 7 photodetector arrays, the potential image sensor application is demonstrated. The perovskite nanowire fabrication approach is scalable and compatible with current semiconductor manufacturing, which indicates their great potential in broad applications.
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Affiliation(s)
- Yuting Xiong
- Key Laboratory of D&A for Metal-Functional Materials, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, School of Materials Science & Engineering, Tongji University, Shanghai, 201804, China
| | - Xiuzhen Xu
- Key Laboratory of D&A for Metal-Functional Materials, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, School of Materials Science & Engineering, Tongji University, Shanghai, 201804, China
| | - Bo Chen
- Key Laboratory of D&A for Metal-Functional Materials, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, School of Materials Science & Engineering, Tongji University, Shanghai, 201804, China
| | - Xiaobin Xu
- Key Laboratory of D&A for Metal-Functional Materials, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, School of Materials Science & Engineering, Tongji University, Shanghai, 201804, China
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Diroll BT, Banerjee P, Shevchenko EV. Optical anisotropy of CsPbBr 3 perovskite nanoplatelets. NANO CONVERGENCE 2023; 10:18. [PMID: 37186268 PMCID: PMC10130288 DOI: 10.1186/s40580-023-00367-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 04/09/2023] [Indexed: 05/17/2023]
Abstract
The two-dimensional CsPbBr3 nanoplatelets have a quantum well electronic structure with a band gap tunable with sample thicknesses in discreet steps based upon the number of monolayers. The polarized optical properties of CsPbBr3 nanoplatelets are studied using fluorescence anisotropy and polarized transient absorption spectroscopies. Polarized spectroscopy shows that they have absorption and emission transitions which are strongly plane-polarized. In particular, photoluminescence excitation and transient absorption measurements reveal a band-edge polarization approaching 0.1, the limit of isotropic two-dimensional ensembles. The degree of anisotropy is found to depend on the thickness of the nanoplatelets: multiple measurements show a progressive decrease in optical anisotropy from 2 to 5 monolayer thick nanoplatelets. In turn, larger cuboidal CsPbBr3 nanocrystals, are found to have consistently positive anisotropy which may be attributed to symmetry breaking from ideal perovskite cubes. Optical measurements of anisotropy are described with respect to the theoretical framework developed to describe exciton fine structure in these materials. The observed planar absorption and emission are close to predicted values at thinner nanoplatelet sizes and follow the predicted trend in anisotropy with thickness, but with larger anisotropy than theoretical predictions. Dominant planar emission, albeit confined to the thinnest nanoplatelets, is a valuable attribute for enhanced efficiency of light-emitting devices.
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Affiliation(s)
- Benjamin T Diroll
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL, 60438, USA.
| | - Progna Banerjee
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL, 60438, USA
| | - Elena V Shevchenko
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL, 60438, USA
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Saikia P, Kumar Dolui S, Pran Mahanta S. CsPbBr 3 perovskites: A dual fluorescence sensor to distinguish ethanol from methanol. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 291:122309. [PMID: 36621025 DOI: 10.1016/j.saa.2022.122309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 12/03/2022] [Accepted: 12/30/2022] [Indexed: 06/17/2023]
Abstract
In recent years, lead halide perovskites have emerged as a promising material with defect tolerance, thermally stable, and optoelectronic properties. However, the instability is the major factor which hinder their potential applications in various fields. This work demonstrates the chemical stability of Cesium Lead Bromide (CsPbBr3) under different passivation condition with an objective to develop alcohol sensor. Cetyltrimethyl ammonium bromide (CTAB) passivated CsPbBr3 demonstrated as a turn off fluorescent probe for alcohols and more significantly turn on fluorescent probe for ethanol. Herein, it is shown that CTAB passivated CsPbBr3 can effectively discriminate ethanol from methanol owing to its different mode of interaction with ethanol and methanol. The outstanding optical properties of halide perovskites with an ultra-low detection limit of 7.3 ppb was obtained for ethanol detection. The sensing performance of the material is also validated with petrol and cough syrup samples showing excellent performance for future implementation with practical applications.
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Affiliation(s)
- Priyankamoni Saikia
- Department of Chemical Sciences, Tezpur University, Sonitpur 784028, Assam, India
| | - Swapan Kumar Dolui
- Department of Chemical Sciences, Tezpur University, Sonitpur 784028, Assam, India.
| | - Sanjeev Pran Mahanta
- Department of Chemical Sciences, Tezpur University, Sonitpur 784028, Assam, India.
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Castillo-Seoane J, Contreras-Bernal L, Obrero-Perez JM, García-Casas X, Lorenzo-Lázaro F, Aparicio FJ, Lopez-Santos C, Rojas TC, Anta JA, Borrás A, Barranco Á, Sanchez-Valencia JR. Highly Anisotropic Organometal Halide Perovskite Nanowalls Grown by Glancing-Angle Deposition. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2107739. [PMID: 35077604 DOI: 10.1002/adma.202107739] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 12/23/2021] [Indexed: 06/14/2023]
Abstract
Polarizers are ubiquitous components in current optoelectronic devices as displays or photographic cameras. Yet, control over light polarization is an unsolved challenge, since the main drawback of the existing display technologies is the significant optical losses. In such a context, organometal halide perovskites (OMHP) can play a decisive role given their flexible synthesis with tunable optical properties such as bandgap and photoluminescence, and excellent light emission with a low non-radiative recombination rate. Therefore, along with their outstanding electrical properties have elevated hybrid perovskites as the material of choice in photovoltaics and optoelectronics. Among the different OMHP nanostructures, nanowires and nanorods have lately arisen as key players in the control of light polarization for lighting or detector applications. Herein, the fabrication of highly aligned and anisotropic methylammonium lead iodide perovskite nanowalls by glancing-angle deposition, which is compatible with most substrates, is presented. Their high alignment degree provides the samples with anisotropic optical properties such as light absorption and photoluminescence. Furthermore, their implementation in photovoltaic devices provides them with a polarization-sensitive response. This facile vacuum-based approach embodies a milestone in the development of last-generation polarization-sensitive perovskite-based optoelectronic devices such as lighting appliances or self-powered photodetectors.
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Affiliation(s)
- Javier Castillo-Seoane
- Institute of Materials Science of Seville (US-CSIC), Americo Vespucio 49, Seville, 41092, Spain
- Atomic, Nuclear and Molecular Physics Department, Facultad de Física, University of Seville, Avd. Reina Mercedes s/n, Seville, 41012, Spain
| | - Lidia Contreras-Bernal
- Institute of Materials Science of Seville (US-CSIC), Americo Vespucio 49, Seville, 41092, Spain
| | | | - Xabier García-Casas
- Institute of Materials Science of Seville (US-CSIC), Americo Vespucio 49, Seville, 41092, Spain
| | | | - Francisco Javier Aparicio
- Institute of Materials Science of Seville (US-CSIC), Americo Vespucio 49, Seville, 41092, Spain
- Department of Applied Physics I, University of Seville, Virgen de Africa, Seville, 41011, Spain
| | - Carmen Lopez-Santos
- Institute of Materials Science of Seville (US-CSIC), Americo Vespucio 49, Seville, 41092, Spain
- Department of Applied Physics I, University of Seville, Virgen de Africa, Seville, 41011, Spain
| | - Teresa Cristina Rojas
- Institute of Materials Science of Seville (US-CSIC), Americo Vespucio 49, Seville, 41092, Spain
| | - Juan Antonio Anta
- Área de Química Física, Universidad Pablo de Olavide, Seville, 41013, Spain
| | - Ana Borrás
- Institute of Materials Science of Seville (US-CSIC), Americo Vespucio 49, Seville, 41092, Spain
| | - Ángel Barranco
- Institute of Materials Science of Seville (US-CSIC), Americo Vespucio 49, Seville, 41092, Spain
| | - Juan Ramon Sanchez-Valencia
- Institute of Materials Science of Seville (US-CSIC), Americo Vespucio 49, Seville, 41092, Spain
- Atomic, Nuclear and Molecular Physics Department, Facultad de Física, University of Seville, Avd. Reina Mercedes s/n, Seville, 41012, Spain
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Zhang H, Yu T, Wang C, Jia R, Pirzado AAA, Wu D, Zhang X, Zhang X, Jie J. High-Luminance Microsized CH 3NH 3PbBr 3 Single-Crystal-Based Light-Emitting Diodes via a Facile Liquid-Insulator Bridging Route. ACS NANO 2022; 16:6394-6403. [PMID: 35404055 DOI: 10.1021/acsnano.2c00488] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Micro-/nanosized organic-inorganic hybrid perovskite single crystals (SCs) with appropriate thickness and high crystallinity are promising candidates for high-performance electroluminescent (EL) devices. However, their small lateral size poses a great challenge for efficient device construction and performance optimization, causing perovskite SC-based light-emitting diodes (PSC-LEDs) to demonstrate poor EL performance. Here, we develop a facile liquid-insulator bridging (LIB) strategy to fabricate high-luminance PSC-LEDs based on single-crystalline CH3NH3PbBr3 microflakes. By introducing a blade-coated poly(methyl methacrylate) (PMMA) insulating layer to effectively overcome the problems of leakage current and possible short circuits between electrodes, we achieve the reliable fabrication of PSC-LEDs. The LIB method also allows us to systematically boost the device performance through crystal growth regulation and device architecture optimization. Consequently, we realize the best CH3NH3PbBr3 microflake-based PSC-LED with an ultrahigh luminance of 136100 cd m-2 and a half-lifetime of 88.2 min at an initial luminance of ∼1100 cd m-2, which is among the highest for organic-inorganic hybrid perovskite LEDs reported to date. Moreover, we observe the strong polarized edge emission of the microflake-based PSC-LEDs with a high degree of polarization up to 0.69. Our work offers a viable approach for the development of high-performance perovskite SC-based EL devices.
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Affiliation(s)
- Huanyu Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Tingxiu Yu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Chaoqiang Wang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Ruofei Jia
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Azhar Ali Ayaz Pirzado
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, P. R. China
- Department of Electronic Engineering, Faculty of Engineering and Technology, University of Sindh, Allama I.I. Kazi Campus, Jamshoro, Sindh 76080, Pakistan
| | - Di Wu
- School of Physics and Microelectronics and Key Laboratory of Material Physics, Ministry of Education, Zhengzhou University, Zhengzhou, Henan 450052, P. R. China
| | - Xiujuan Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Xiaohong Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Jiansheng Jie
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, P. R. China
- Macao Institute of Materials Science and Engineering, Macau University of Science and Technology, Taipa, Macau SAR 999078, P. R. China
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Wei Y, Chen J, Wang J, Li X, Zeng H. Micro-patterned photoalignment of CsPbBr 3 nanowires with liquid crystal molecule composite film for polarized emission. NANOSCALE 2021; 13:14980-14986. [PMID: 34533178 DOI: 10.1039/d1nr04347a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Photoalignment technology provides high potential for the manipulation of molecular orientations and has been widely used in liquid crystal displays. In this work, we align a luminescent film composite of CsPbBr3 nanowires (NWs) and liquid crystal molecules through photoalignment conducted on a PDMS template. We successfully define different orientations of CsPbBr3 NWs on the same substrate and the fluorescence micrographs clearly exhibit the orthogonal polarization direction of the two regions. On the basis of this research, we develop micro-photoalignment technology, which is promising for fabricating complex and precise nanostructures for photonic applications.
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Affiliation(s)
- Yi Wei
- Institute of Optoelectronics & Nanomaterials, MIIT Key Laboratory of Advanced Display Materials and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Jun Chen
- Institute of Optoelectronics & Nanomaterials, MIIT Key Laboratory of Advanced Display Materials and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Jiaxin Wang
- Institute of Optoelectronics & Nanomaterials, MIIT Key Laboratory of Advanced Display Materials and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Xiaoming Li
- Institute of Optoelectronics & Nanomaterials, MIIT Key Laboratory of Advanced Display Materials and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Haibo Zeng
- Institute of Optoelectronics & Nanomaterials, MIIT Key Laboratory of Advanced Display Materials and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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