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Zhang K, Fan W, Yao T, Wang S, Yang Z, Yao J, Xu L, Song J. Polymer-Surface-Mediated Mechanochemical Reaction for Rapid and Scalable Manufacture of Perovskite QD Phosphors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310521. [PMID: 38211956 DOI: 10.1002/adma.202310521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/04/2023] [Indexed: 01/13/2024]
Abstract
Perovskite quantum dots (QDs) have been considered new-generation emitters for lighting and displays due to their high photoluminescence (PL) efficiency, and pure color. However, their commercialization process is currently hindered by the challenge of mass production in a quick and environmentally friendly manner. In this study, a polymer-surface-mediated mechanochemical reaction (PMR) is proposed to prepare perovskite QDs using a high-speed multifunction grinder for the first time. PMR possesses two distinctive features: i) The ultra-high rotating speed (>15 000 rpm) of the grinder facilitates the rapid conversion of the precursor to perovskite; ii) The surface-rich polymer particulate ensures QDs with high dispersity, avoiding QD aggregation-induced PL quenching. Therefore, PMR can successfully manufacture green perovskite QDs with a high PL quantum yield (PLQY) exceeding 90% in a highly material- (100% yield), time- (1 kg min-1), and effort- (solvent-free) efficient manner. Moreover, the PMR demonstrates remarkable versatility, including synthesizing by various polymers and producing diverse colored and Pb-free phosphors. Importantly, these phosphors featuring a combination of polymer and perovskite, are facilely processed into various solid emitters. The proposed rapid, green, and scalable approach has great potential to accelerate the commercialization of perovskite QDs.
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Affiliation(s)
- Kaishuai Zhang
- Key Laboratory of Materials Physics of Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Daxue Road 75, Zhengzhou, 450052, China
| | - Wenxuan Fan
- Key Laboratory of Materials Physics of Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Daxue Road 75, Zhengzhou, 450052, China
| | - Tianliang Yao
- Key Laboratory of Materials Physics of Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Daxue Road 75, Zhengzhou, 450052, China
| | - Shalong Wang
- Key Laboratory of Materials Physics of Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Daxue Road 75, Zhengzhou, 450052, China
| | - Zhi Yang
- Key Laboratory of Materials Physics of Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Daxue Road 75, Zhengzhou, 450052, China
| | - Jisong Yao
- Key Laboratory of Materials Physics of Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Daxue Road 75, Zhengzhou, 450052, China
| | - Leimeng Xu
- Key Laboratory of Materials Physics of Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Daxue Road 75, Zhengzhou, 450052, China
| | - Jizhong Song
- Key Laboratory of Materials Physics of Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Daxue Road 75, Zhengzhou, 450052, China
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2
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Mecca S, Pallini F, Pinchetti V, Erroi A, Fappani A, Rossi F, Mattiello S, Vanacore GM, Brovelli S, Beverina L. Multigram-Scale Synthesis of Luminescent Cesium Lead Halide Perovskite Nanobricks for Plastic Scintillators. ACS APPLIED NANO MATERIALS 2023; 6:9436-9443. [PMID: 37325014 PMCID: PMC10262149 DOI: 10.1021/acsanm.3c01146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 05/12/2023] [Indexed: 06/17/2023]
Abstract
Cesium lead halide perovskite nanocrystals of general formula CsPbX3 are having tremendous impact on a vast array of technologies requiring strong and tunable luminescence across the visible range and solutions processing. The development of plastic scintillators is just one of the many relevant applications. The syntheses are relatively simple but generally unsuitable to produce a large amount of material of reproducible quality required when moving from proof-of-concept scale to industrial applications. Wastes, particularly large amounts of lead-contaminated toxic and flammable organic solvents, are also an open issue. We describe a simple and reproducible procedure enabling the synthesis of luminescent CsPbX3 nanobricks of constant quality on a scale going from 0.12 to 8 g in a single batch. We also show complete recycling of the reaction wastes, leading to dramatically improved efficiency and sustainability.
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Affiliation(s)
- Sara Mecca
- Department
of Materials Science, University of Milano-Bicocca, via R. Cozzi 55, I-20126 Milan, Italy
| | - Francesca Pallini
- Department
of Materials Science, University of Milano-Bicocca, via R. Cozzi 55, I-20126 Milan, Italy
| | - Valerio Pinchetti
- Department
of Materials Science, University of Milano-Bicocca, via R. Cozzi 55, I-20126 Milan, Italy
| | - Andrea Erroi
- Department
of Materials Science, University of Milano-Bicocca, via R. Cozzi 55, I-20126 Milan, Italy
| | - Alice Fappani
- Department
of Materials Science, University of Milano-Bicocca, via R. Cozzi 55, I-20126 Milan, Italy
| | - Francesca Rossi
- IMEM-CNR
Institute, Parco Area
delle Scienze 37/A, 43124 Parma, Italy
| | - Sara Mattiello
- Department
of Materials Science, University of Milano-Bicocca, via R. Cozzi 55, I-20126 Milan, Italy
| | - Giovanni Maria Vanacore
- Department
of Materials Science, University of Milano-Bicocca, via R. Cozzi 55, I-20126 Milan, Italy
| | - Sergio Brovelli
- Department
of Materials Science, University of Milano-Bicocca, via R. Cozzi 55, I-20126 Milan, Italy
| | - Luca Beverina
- Department
of Materials Science, University of Milano-Bicocca, via R. Cozzi 55, I-20126 Milan, Italy
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3
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Zhou X, Bose R, Zhu X, Mehta A, Kim MJ, Malko AV. Highly Emissive Zero-Dimensional Cesium Lead Iodide Perovskite Nanocrystals with Thermally Activated Delayed Photoluminescence. J Phys Chem Lett 2023; 14:2933-2939. [PMID: 36930797 DOI: 10.1021/acs.jpclett.3c00219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
We utilized a modified reverse-microemulsion method to develop highly emissive and photostable zero-dimensional (0D) Cs4Pb(Br1-xIx)6 perovskite nanocrystals (PNCs). We employed single-particle photoluminescence (PL) spectroscopy to explore blinking statistics and demonstrate single-photon emission from individual PNCs. Low-temperature blinking and photon correlation studies revealed a transition from single- to multiphoton emission with progressively longer "delayed" PL components, reaching ∼70 ns at room temperature and representing a distinctive behavior to previously known iodide PNCs. Such thermally activated PL emission is explained by the existence of defect-related "reservoir" states, feeding back into the PNC's emissive state and providing multiple photons within a single excitation cycle. This work establishes a new member in the 0D class of perovskite materials, studies its photophysical properties, and reveals its potential for future optoelectronic applications.
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Kayalvizhi T, Sathya A, Perumal S, Preethi Meher K. Structural, Optoelectronic and Electrochemical behavior of the mechanochemically synthesized CsPb1-xNaxBr3 (x=0 to 0.15). J SOLID STATE CHEM 2023. [DOI: 10.1016/j.jssc.2023.123997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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5
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Soultati A, Tountas M, Armadorou KK, Yusoff ARBM, Vasilopoulou M, Nazeeruddin MK. Synthetic approaches for perovskite thin films and single-crystals. ENERGY ADVANCES 2023; 2:1075-1115. [DOI: 10.1039/d3ya00098b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Halide perovskites are compelling candidates for the next generation of photovoltaic technologies owing to an unprecedented increase in power conversion efficiency and their low cost, facile fabrication and outstanding semiconductor properties.
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Affiliation(s)
- Anastasia Soultati
- Institute of Nanoscience and Nanotechnology, National Centre for Scientific Research Demokritos, 15341 Agia Paraskevi, Attica, Greece
| | - Marinos Tountas
- Department of Electrical Engineering, Hellenic Mediterranean University, Estavromenos, 71410 Heraklion Crete, Greece
| | - Konstantina K. Armadorou
- Institute of Nanoscience and Nanotechnology, National Centre for Scientific Research Demokritos, 15341 Agia Paraskevi, Attica, Greece
| | - Abd. Rashid bin Mohd Yusoff
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk 37673, Republic of Korea
| | - Maria Vasilopoulou
- Institute of Nanoscience and Nanotechnology, National Centre for Scientific Research Demokritos, 15341 Agia Paraskevi, Attica, Greece
| | - Mohammad Khaja Nazeeruddin
- Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Rue de l’Industrie 17, CH-1951 Sion, Switzerland
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6
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Temerov F, Baghdadi Y, Rattner E, Eslava S. A Review on Halide Perovskite-Based Photocatalysts: Key Factors and Challenges. ACS APPLIED ENERGY MATERIALS 2022; 5:14605-14637. [PMID: 36590880 PMCID: PMC9795418 DOI: 10.1021/acsaem.2c02680] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 11/23/2022] [Indexed: 06/17/2023]
Abstract
A growing number of research articles have been published on the use of halide perovskite materials for photocatalytic reactions. These articles extend these materials' great success from solar cells to photocatalytic technologies such as hydrogen production, CO2 reduction, dye degradation, and organic synthesis. In the present review article, we first describe the background theory of photocatalysis, followed by a description on the properties of halide perovskites and their development for photocatalysis. We highlight key intrinsic factors influencing their photocatalytic performance, such as stability, electronic band structure, and sorption properties. We also discuss and shed light on key considerations and challenges for their development in photocatalysis, such as those related to reaction conditions, reactor design, presence of degradable organic species, and characterization, especially for CO2 photocatalytic reduction. This review on halide perovskite photocatalysts will provide a better understanding for their rational design and development and contribute to their scientific and technological adoption in the wide field of photocatalytic solar devices.
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Affiliation(s)
- Filipp Temerov
- Department
of Chemical Engineering, Imperial College
London, LondonSW7 2AZ, United Kingdom
- Department
of Chemistry, University of Eastern Finland, JoensuuFI-80101, Finland
| | - Yasmine Baghdadi
- Department
of Chemical Engineering, Imperial College
London, LondonSW7 2AZ, United Kingdom
| | - Ed Rattner
- Department
of Chemical Engineering, Imperial College
London, LondonSW7 2AZ, United Kingdom
| | - Salvador Eslava
- Department
of Chemical Engineering, Imperial College
London, LondonSW7 2AZ, United Kingdom
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7
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Baek KY, Lee W, Lee J, Kim J, Ahn H, Kim JI, Kim J, Lim H, Shin J, Ko YJ, Lee HD, Friend RH, Lee TW, Lee J, Kang K, Lee T. Mechanochemistry-driven engineering of 0D/3D heterostructure for designing highly luminescent Cs–Pb–Br perovskites. Nat Commun 2022; 13:4263. [PMID: 35871221 PMCID: PMC9308791 DOI: 10.1038/s41467-022-31924-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 07/06/2022] [Indexed: 11/16/2022] Open
Abstract
Embedding metal-halide perovskite particles within an insulating host matrix has proven to be an effective strategy for revealing the outstanding luminescence properties of perovskites as an emerging class of light emitters. Particularly, unexpected bright green emission observed in a nominally pure zero-dimensional cesium–lead–bromide perovskite (Cs4PbBr6) has triggered intensive research in better understanding the serendipitous incorporation of emissive guest species within the Cs4PbBr6 host. However, a limited controllability over such heterostructural configurations in conventional solution-based synthesis methods has limited the degree of freedom in designing synthesis routes for accessing different structural and compositional configurations of these host–guest species. In this study, we provide means of enhancing the luminescence properties in the nominal Cs4PbBr6 powder through a guided heterostructural configuration engineering enabled by solid-state mechanochemical synthesis. Realized by an in-depth study on time-dependent evaluation of optical and structural properties during the synthesis of Cs4PbBr6, our target-designed synthesis protocol to promote the endotaxial formation of Cs4PbBr6/CsPbBr3 heterostructures provides key insights for understanding and designing kinetics-guided syntheses of highly luminescent perovskite emitters for light-emitting applications. While emission and stability of metal–halide perovskites can be enhanced through heterostructural encapsulation, a controlled synthesis route to such structures is not trivial to realize. Here, the authors design a mechanochemistry-driven protocol for synthesizing highly luminescent CsPbBr3/Cs4PbBr6 heterostructures.
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8
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Panda S, Soni A, Gupta V, Niranjan R, Panda D. PVDF-directed synthesis, stability and anion exchange of cesium lead bromide nanocrystals. Methods Appl Fluoresc 2022; 10. [PMID: 35961300 DOI: 10.1088/2050-6120/ac896b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 08/12/2022] [Indexed: 11/12/2022]
Abstract
Photoluminescent perovskite nanocrystals are mostly used along with base materials such as polymers for material processing and large-scale production purpose. However, the role of polymer in crystal structure engineering and thereby dictating the emission properties of lead halide perovskite nanocrystals is poorly understood. First, we have developed a polymer-directed antisolvent method for synthesis of halide perovskite crystals at room temperature. The thermodynamic stabilities of crystals drive the formation of perovskite composite crystal of orthorhombic Cs4PbBr6 and monoclinic CsPbBr3. Surprisingly, hydrophobic polyvinylidene fluoride (PVDF) can reduce the size of perovskite crystals to nano dimensions even at room temperature. On the other hand, perovskite nanocrystals, CsPbBr3 synthesized by modified hot-injection method undergo rapid encapsulation in PVDF matrices. The size of the encapsulated nanocrystal in PVDF matrices ranges in 88 ± 32 nm. Three types of radiative recombination are predominantly operative in nanocrystals-doped polymer- surface defect caused radiative recombination (0.6 - 3 ns), exciton recombination (3 - 15 ns), and shallow trap assisted recombination (10 - 50 ns). The interface created at nanocrystal and polymer plays a decisive role in populating the shallow trap states in perovskite-polymer nanocomposite. These nanocrystals have been shown to undergo fast halide exchange in aqueous hydroiodic acid solution and possess remarkable enhancement of water-/photo-stability. This research would pave way for their greater use in hydrogen production and light-emitting devices.
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Affiliation(s)
- Suvadeep Panda
- Sciences & Humanities, Rajiv Gandhi Institute of Petroleum Technology, Bahadurpur, Harbanshganj, Jais, Amethi, Rae Bareli, Rae Bareli, Uttar Pradesh, 229304, INDIA
| | - Amritansh Soni
- Rajiv Gandhi Institute of Petroleum Technology, Bahadurpur, Harbanshganj, Jais, Amethi, Rae Bareli, Rae Bareli, Uttar Pradesh, 229304, INDIA
| | - Vidhu Gupta
- Rajiv Gandhi Institute of Petroleum Technology, Bahadurpur, Harbanshganj, Jais, Amethi, Rae Bareli, Rae Bareli, Uttar Pradesh, 229304, INDIA
| | - Raghvendra Niranjan
- Ewing Christian College , University of Allahabad, Gaughat, Prayagraj, Allahabad, Uttar Pradesh, 211002, INDIA
| | - Debashis Panda
- Sciences & Humanities, Rajiv Gandhi Institute of Petroleum Technology, Bahadurpur, Harbanshganj, Jais, Amethi, Rae Bareli, Rae Bareli, 229304, INDIA
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9
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Mishra A, Bose R, Zheng Y, Xu W, McMullen R, Mehta AB, Kim MJ, Hsu JWP, Malko AV, Slinker JD. Stable and Bright Electroluminescent Devices utilizing Emissive 0D Perovskite Nanocrystals Incorporated in a 3D CsPbBr 3 Matrix. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2203226. [PMID: 35679199 DOI: 10.1002/adma.202203226] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/06/2022] [Indexed: 06/15/2023]
Abstract
The 0D cesium lead halide perovskite Cs4 PbBr6 has drawn remarkable interest due to its highly efficient robust green emission compared to its 3D CsPbBr3 counterpart. However, seizing the advantages of the superior photoluminescence properties for practical light-emitting devices remains elusive. To date, Cs4 PbBr6 has been employed only as a higher-bandgap nonluminescent matrix to passivate or provide quantum/dielectric confinement to CsPbBr3 in light-emitting devices and to enhance its photo-/thermal/environmental stability. To resolve this disparity, a novel solvent engineering method to incorporate highly luminescent 0D Cs4 PbBr6 nanocrystals (perovskite nanocrystals (PNCs)) into a 3D CsPbBr3 film, forming the active emissive layer in single-layer perovskite light-emitting electrochemical cells (PeLECs) is designed. A dramatic increase of the maximum external quantum efficiency and luminance from 2.7% and 6050 cd m-2 for a 3D-only PeLEC to 8.3% and 11 200 cd m-2 for a 3D-0D PNC device with only 7% by weight of 0D PNCs is observed. The majority of this increase is driven by the efficient inherent emission of the 0D PNCs, while the concomitant morphology improvement also contributes to reduced leakage current, reduced hysteresis, and enhanced operational lifetime (half-life of 129 h), making this one of the best-performing LECs reported to date.
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Affiliation(s)
- Aditya Mishra
- Department of Materials Science and Engineering, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
| | - Riya Bose
- Department of Physics, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
| | - Yangzi Zheng
- Department of Physics, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
| | - Weijie Xu
- Department of Materials Science and Engineering, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
| | - Reema McMullen
- Department of Physics, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
| | - Abhas B Mehta
- Department of Materials Science and Engineering, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
| | - Moon J Kim
- Department of Materials Science and Engineering, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
| | - Julia W P Hsu
- Department of Materials Science and Engineering, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
| | - Anton V Malko
- Department of Physics, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
| | - Jason D Slinker
- Department of Materials Science and Engineering, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
- Department of Physics, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
- Department of Chemistry, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, TX, 75080-3021, USA
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10
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Abia C, López CA, Gainza J, Rodrigues JEFS, Ferrer MM, Dalenogare G, Nemes NM, Dura OJ, Martínez JL, Fernández-Díaz MT, Álvarez-Galván C, Alonso JA. Detailed Structural Features of the Perovskite-Related Halide RbPbI 3 for Solar Cell Applications. Inorg Chem 2022; 61:5502-5511. [PMID: 35344352 PMCID: PMC9006220 DOI: 10.1021/acs.inorgchem.1c03841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
All-inorganic lead halide perovskites like CsPbBr3, CsPbI3, or RbPbI3 are good replacements for the classical hybrid organic-inorganic perovskites like CH3NH3PbI3, susceptible to fast degradation in the presence of humid air. They also exhibit outstanding light absorption properties suitable for solar energy applications. Here, we describe the synthesis of RbPbI3 by mechanochemical procedures with green credentials, avoiding toxic or expensive organic solvents; this specimen exhibits excellent crystallinity. We report neutron powder diffraction data, essential to revisit some subtle structural features around room temperature (200-400 K). In all these regimes, the orthorhombic Pnma crystal structure is characterized by the presence along the b direction of the crystal of double rows of edge-sharing PbI6 octahedra. The lone electron pairs of Pb2+ ions have a strong stereochemical effect on the PbI6 octahedral distortion. The relative covalency of Rb-I versus Pb-I bonds shows that the Pb-I-related motions are more rigid than Rb-I-related vibrations, as seen in the Debye temperatures from the evolution of the anisotropic displacements. The optical gap, measured by diffuse reflectance UV-vis spectroscopy, is ∼2.51 eV and agrees well with ab initio calculations. The thermoelectric Seebeck coefficient is 3 orders of magnitude larger than that of other halide perovskites, with a value of ∼117,000 μV·K-1 at 460 K.
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Affiliation(s)
- Carmen Abia
- Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain.,Institut Laue Langevin, BP 156X, Grenoble F-38042, France
| | - Carlos A López
- Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain.,Instituto de Investigaciones en Tecnología Química (UNSL-CONICET) and Facultad de Química, Bioquímica y Farmacia, Almirante Brown 1455, San Luis 5700, Argentina
| | - Javier Gainza
- Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain
| | - João Elias F S Rodrigues
- Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain.,European Synchrotron Radiation Facility (ESRF), 71 Avenue des Martyrs, Grenoble 38000, France
| | - Mateus M Ferrer
- CCAF, PPGCEM/CDTec, Federal University of Pelotas, Pelotas 96010-610, Rio Grande do Sul, Brazil
| | - Gustavo Dalenogare
- CCAF, PPGCEM/CDTec, Federal University of Pelotas, Pelotas 96010-610, Rio Grande do Sul, Brazil
| | - Norbert M Nemes
- Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain.,Departamento de Física de Materiales, Universidad Complutense de Madrid, Madrid E-28040, Spain
| | - Oscar J Dura
- Departamento de Física Aplicada, Universidad de Castilla-La Mancha, Ciudad Real E-13071, Spain
| | - José L Martínez
- Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain
| | | | | | - José A Alonso
- Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain
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11
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Pradhan J, Das A, Kundu K, Chahat, Biswas K. Soft crystal lattice and large anharmonicity facilitate the self-trapped excitonic emission in ultrathin 2D nanoplates of RbPb 2Br 5. Chem Sci 2022; 13:9952-9959. [PMID: 36128238 PMCID: PMC9430307 DOI: 10.1039/d2sc02992h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/31/2022] [Indexed: 11/27/2022] Open
Abstract
Self-trapping of excitons (STE) and concomitant useful broadband emission in low-dimensional metal halides occur due to strong electron–phonon coupling, which exhibit potential applications in optoelectronics and solid-state lighting. Lattice softness and high anharmonicity in the low-dimensional structure can lead to transient structural distortion upon photoexcitation that should promote the spatial localization or trapping of charge carriers, which is essential for STE. Herein, we report the ligand-assisted reprecipitation synthesis of ultrathin (∼3.5 nm) two-dimensional (2D) metal halide, RbPb2Br5 nanoplates (NPLs), which demonstrate highly Stokes shifted and broadband emission covering most parts of the visible to near IR range (500–850 nm) with a long-lived photoluminescence (PL) lifetime. The excitation wavelength independent emission and emission wavelength independent excitation spectra along with the analogous PL decay kinetics of bulk and NPLs suggest the intrinsic nature of broadband emission. The experimental low sound velocity (∼1090 m s−1) and associated low bulk and shear moduli (10.10 and 5.51 GPa, respectively) indicate the large anharmonicity and significantly soft lattice structure, which trigger the broadband STE emission in 2D NPLs of RbPb2Br5. Strong electron-longitudinal optical (LO) phonon coupling results in broadband STE emission in 2D RbPb2Br5 NPLs. The presence of large anharmonicity and lattice softness in low dimensional metal halide, RbPb2Br5 nanoplates, trigger strong electron–phonon coupling and consequently highly Stokes shifted broadband emission originates from self-trapped excitons.![]()
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Affiliation(s)
- Jayita Pradhan
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P. O., Bangalore 560064, India
| | - Anustoop Das
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P. O., Bangalore 560064, India
| | - Kaushik Kundu
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P. O., Bangalore 560064, India
| | - Chahat
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P. O., Bangalore 560064, India
| | - Kanishka Biswas
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P. O., Bangalore 560064, India
- School of Advanced Materials, International Centre for Materials Science, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P. O., Bangalore 560064, India
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12
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Cesaria M, Mazzeo M, Quarta G, Aziz MR, Nobile C, Carallo S, Martino M, Calcagnile L, Caricato AP. Pulsed Laser Deposition of CsPbBr 3 Films: Impact of the Composition of the Target and Mass Distribution in the Plasma Plume. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3210. [PMID: 34947561 PMCID: PMC8708087 DOI: 10.3390/nano11123210] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 11/19/2021] [Accepted: 11/20/2021] [Indexed: 11/18/2022]
Abstract
All-inorganic cesium lead bromine (CsPbBr3) perovskites have gained a tremendous potential in optoelectronics due to interesting photophysical properties and much better stability than the hybrid counterparts. Although pulsed laser deposition (PLD) is a promising alternative to solvent-based and/or thermal deposition approaches due to its versatility in depositing multi-elemental materials, deep understanding of the implications of both target composition and PLD mechanisms on the properties of CsPbBr3 films is still missing. In this paper, we deal with thermally assisted preparation of mechano-chemically synthesized CsPbBr3 ablation targets to grow CsPbBr3 films by PLD at the fluence 2 J/cm2. We study both Cs rich- and stoichiometric PbBr2-CsBr mixture-based ablation targets and point out compositional deviations of the associated films resulting from the mass distribution of the PLD-generated plasma plume. Contrary to the conventional meaning that PLD guarantees congruent elemental transfer from the target to the substrate, our study demonstrates cation off-stoichiometry of PLD-grown CsPbBr3 films depending on composition and thermal treatment of the ablation target. The implications of the observed enrichment in the heavier element (Pb) and deficiency in the lighter element (Br) of the PLD-grown films are discussed in terms of optical response and with the perspective of providing operative guidelines and future PLD-deposition strategies of inorganic perovskites.
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Affiliation(s)
- Maura Cesaria
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, 73100 Lecce, Italy; (M.M.); (M.R.A.); (M.M.); (A.P.C.)
| | - Marco Mazzeo
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, 73100 Lecce, Italy; (M.M.); (M.R.A.); (M.M.); (A.P.C.)
- CNR NANOTEC-Institute of Nanotechnology, c/o Campus Ecotekne, via Monteroni, 73100 Lecce, Italy; (C.N.); (S.C.)
| | - Gianluca Quarta
- National Institute of Nuclear Physics (INFN), 73100 Lecce, Italy; (G.Q.); (L.C.)
- CEDAD (Center of Applied Physics, Dating and Diagnostics), University of Salento-Cittadella della Ricerca SS.7, Km 7300, 72100 Brindisi, Italy
| | - Muhammad Rizwan Aziz
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, 73100 Lecce, Italy; (M.M.); (M.R.A.); (M.M.); (A.P.C.)
| | - Concetta Nobile
- CNR NANOTEC-Institute of Nanotechnology, c/o Campus Ecotekne, via Monteroni, 73100 Lecce, Italy; (C.N.); (S.C.)
| | - Sonia Carallo
- CNR NANOTEC-Institute of Nanotechnology, c/o Campus Ecotekne, via Monteroni, 73100 Lecce, Italy; (C.N.); (S.C.)
| | - Maurizio Martino
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, 73100 Lecce, Italy; (M.M.); (M.R.A.); (M.M.); (A.P.C.)
| | - Lucio Calcagnile
- National Institute of Nuclear Physics (INFN), 73100 Lecce, Italy; (G.Q.); (L.C.)
- CEDAD (Center of Applied Physics, Dating and Diagnostics), University of Salento-Cittadella della Ricerca SS.7, Km 7300, 72100 Brindisi, Italy
| | - Anna Paola Caricato
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, 73100 Lecce, Italy; (M.M.); (M.R.A.); (M.M.); (A.P.C.)
- National Institute of Nuclear Physics (INFN), 73100 Lecce, Italy; (G.Q.); (L.C.)
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13
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Tian J, Zysman-Colman E, Morrison FD. Azetidinium Lead Halide Ruddlesden-Popper Phases. Molecules 2021; 26:molecules26216474. [PMID: 34770883 PMCID: PMC8588525 DOI: 10.3390/molecules26216474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/20/2021] [Accepted: 10/21/2021] [Indexed: 11/23/2022] Open
Abstract
A family of Ruddlesden–Popper (n = 1) layered perovskite-related phases, Az2PbClxBr4−x with composition 0 ≤ x ≤ 4 were obtained using mechanosynthesis. These compounds are isostructural with K2NiF4 and therefore adopt the idealised n = 1 Ruddlesden–Popper structure. A linear variation in unit cell volume as a function of anion average radius is observed. A tunable bandgap is achieved, ranging from 2.81 to 3.43 eV, and the bandgap varies in a second-order polynomial relationship with the halide composition.
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Affiliation(s)
- Jiyu Tian
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews KY16 9ST, UK;
- Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews KY16 9ST, UK
| | - Eli Zysman-Colman
- Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews KY16 9ST, UK
- Correspondence: (E.Z.-C.); (F.D.M.)
| | - Finlay D. Morrison
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews KY16 9ST, UK;
- Correspondence: (E.Z.-C.); (F.D.M.)
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14
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Trifiletti V, Asker C, Tseberlidis G, Riva S, Zhao K, Tang W, Binetti S, Fenwick O. Quasi-Zero Dimensional Halide Perovskite Derivates: Synthesis, Status, and Opportunity. FRONTIERS IN ELECTRONICS 2021. [DOI: 10.3389/felec.2021.758603] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In recent decades, many technological advances have been enabled by nanoscale phenomena, giving rise to the field of nanotechnology. In particular, unique optical and electronic phenomena occur on length scales less than 10 nanometres, which enable novel applications. Halide perovskites have been the focus of intense research on their optoelectronic properties and have demonstrated impressive performance in photovoltaic devices and later in other optoelectronic technologies, such as lasers and light-emitting diodes. The most studied crystalline form is the three-dimensional one, but, recently, the exploration of the low-dimensional derivatives has enabled new sub-classes of halide perovskite materials to emerge with distinct properties. In these materials, low-dimensional metal halide structures responsible for the electronic properties are separated and partially insulated from one another by the (typically organic) cations. Confinement occurs on a crystal lattice level, enabling bulk or thin-film materials that retain a degree of low-dimensional character. In particular, quasi-zero dimensional perovskite derivatives are proving to have distinct electronic, absorption, and photoluminescence properties. They are being explored for various technologies beyond photovoltaics (e.g. thermoelectrics, lasing, photodetectors, memristors, capacitors, LEDs). This review brings together the recent literature on these zero-dimensional materials in an interdisciplinary way that can spur applications for these compounds. The synthesis methods, the electrical, optical, and chemical properties, the advances in applications, and the challenges that need to be overcome as candidates for future electronic devices have been covered.
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15
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Saothayanun TK, Ogawa M. Mechanochemical syntheses of all-inorganic iodide perovskites from layered cesium titanate and bismuth (and antimony) iodide. Chem Commun (Camb) 2021; 57:10003-10006. [PMID: 34498022 DOI: 10.1039/d1cc03615g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
All-inorganic iodide perovskites were prepared by a mechanochemical reaction between a layered cesium titanate and bismuth (or antimony) triiodide under ambient conditions. The layered cesium titanate was a sacrificial template and also acted as a milling media for the formation of the perovskite nanoparticles with the size of a few nanometres.
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Affiliation(s)
- Taya Ko Saothayanun
- School of Energy Science and Engineering (ESE), Vidyasirimedhi Institute of Science and Technology (VISTEC), 555 Moo 1 Payupnai, Wangchan, Rayong 21210, Thailand.
| | - Makoto Ogawa
- School of Energy Science and Engineering (ESE), Vidyasirimedhi Institute of Science and Technology (VISTEC), 555 Moo 1 Payupnai, Wangchan, Rayong 21210, Thailand.
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16
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Wang T, Fan J, Do-Thanh CL, Suo X, Yang Z, Chen H, Yuan Y, Lyu H, Yang S, Dai S. Perovskite Oxide-Halide Solid Solutions: A Platform for Electrocatalysts. Angew Chem Int Ed Engl 2021; 60:9953-9958. [PMID: 33524205 DOI: 10.1002/anie.202101120] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Indexed: 12/21/2022]
Abstract
The successful integration or hybridization of perovskite oxides with their halide cousins would enable the formation of both multi-anionic and multi-cationic solid solutions with unique metal-ion sites and synergistic properties that could potentially surpass the performance of classic perovskites. However, such solid solutions had not been produced previously owing to their distinct formation energies and different synthesis conditions. Solid solutions combining perovskite oxides with fluorides were produced in this study by mechanochemical synthesis. The obtained perovskite oxide-halide solid solutions had highly mixed elements and valences, uniform element distributions, and single-phase crystalline structures. The solid solution with an optimized combination of oxides and fluorides exhibited enhanced catalytic performance in the oxygen evolution reaction.
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Affiliation(s)
- Tao Wang
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
| | - Juntian Fan
- Department of Chemistry, Joint Institute for Advanced Materials, University of Tennessee, Knoxville, TN, 37996, USA
| | - Chi-Linh Do-Thanh
- Department of Chemistry, Joint Institute for Advanced Materials, University of Tennessee, Knoxville, TN, 37996, USA
| | - Xian Suo
- Department of Chemistry, Joint Institute for Advanced Materials, University of Tennessee, Knoxville, TN, 37996, USA
| | - Zhenzhen Yang
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
| | - Hao Chen
- Department of Chemistry, Joint Institute for Advanced Materials, University of Tennessee, Knoxville, TN, 37996, USA
| | - Yating Yuan
- Department of Chemistry, Joint Institute for Advanced Materials, University of Tennessee, Knoxville, TN, 37996, USA
| | - Hailong Lyu
- Department of Chemistry, Joint Institute for Advanced Materials, University of Tennessee, Knoxville, TN, 37996, USA
| | - Shize Yang
- Eyring Materials Center, Arizona State University, Tempe, AZ, 85257, USA
| | - Sheng Dai
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA.,Department of Chemistry, Joint Institute for Advanced Materials, University of Tennessee, Knoxville, TN, 37996, USA
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17
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Wang T, Fan J, Do‐Thanh C, Suo X, Yang Z, Chen H, Yuan Y, Lyu H, Yang S, Dai S. Perovskite Oxide–Halide Solid Solutions: A Platform for Electrocatalysts. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202101120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Tao Wang
- Chemical Sciences Division Oak Ridge National Laboratory Oak Ridge TN 37831 USA
| | - Juntian Fan
- Department of Chemistry Joint Institute for Advanced Materials University of Tennessee Knoxville TN 37996 USA
| | - Chi‐Linh Do‐Thanh
- Department of Chemistry Joint Institute for Advanced Materials University of Tennessee Knoxville TN 37996 USA
| | - Xian Suo
- Department of Chemistry Joint Institute for Advanced Materials University of Tennessee Knoxville TN 37996 USA
| | - Zhenzhen Yang
- Chemical Sciences Division Oak Ridge National Laboratory Oak Ridge TN 37831 USA
| | - Hao Chen
- Department of Chemistry Joint Institute for Advanced Materials University of Tennessee Knoxville TN 37996 USA
| | - Yating Yuan
- Department of Chemistry Joint Institute for Advanced Materials University of Tennessee Knoxville TN 37996 USA
| | - Hailong Lyu
- Department of Chemistry Joint Institute for Advanced Materials University of Tennessee Knoxville TN 37996 USA
| | - Shize Yang
- Eyring Materials Center Arizona State University Tempe AZ 85257 USA
| | - Sheng Dai
- Chemical Sciences Division Oak Ridge National Laboratory Oak Ridge TN 37831 USA
- Department of Chemistry Joint Institute for Advanced Materials University of Tennessee Knoxville TN 37996 USA
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18
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Wilke M, Gawryluk DJ, Casati N. Metastability and Seeding Effects in the Mechanochemical Hybrid Lead(II) Iodide Formation. Chemistry 2021; 27:5944-5955. [PMID: 33319376 DOI: 10.1002/chem.202004431] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 12/09/2020] [Indexed: 11/06/2022]
Abstract
The mechanism for the mechanochemical synthesis of (C(NH2 )3 )3 PbI5 3 and (C(NH2 )3 )4 PbI6 4 and their conversion into each other is presented. We investigated the synthesis of 3 at different frequencies and energies using in situ powder X-ray diffraction. By splitting the reaction into single parts we could prove that the formation of 3 is simply dependent on the energy and mixing speed. The nucleation of 4 instead is slightly negative dependent on the energy but dependent on the mixing speed, while its growth is mostly independent of any influence. We were able to influence the reaction pathways by seeding the mixture with a small amount of powdery 4. The formation of 4 is very likely an auto-catalytic process. 3 instead is metastable. It can be stabilized by energy, which beside mechanochemistry can also be achieved by temperature. The results showcases the complex nature of mechanochemical reactions.
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Affiliation(s)
- Manuel Wilke
- Laboratory for Synchrotron Radiation-Condensed Matter, Paul Scherrer Institute, 5232, Villigen PSI, Switzerland
| | - Dariusz Jakub Gawryluk
- Laboratory for Multiscale Materials Experiments, Paul Scherrer Institute, 5232, Villigen PSI, Switzerland
| | - Nicola Casati
- Laboratory for Synchrotron Radiation-Condensed Matter, Paul Scherrer Institute, 5232, Villigen PSI, Switzerland
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19
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Qian XY, Tang YY, Zhou W, Shen Y, Guo ML, Li YQ, Tang JX. Strategies to Improve Luminescence Efficiency and Stability of Blue Perovskite Light‐Emitting Devices. SMALL SCIENCE 2021. [DOI: 10.1002/smsc.202000048] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Affiliation(s)
- Xiao-Yan Qian
- School of Physics and Electronic Science Ministry of Education Nanophotonics & Advanced Instrument Engineering Research Center East China Normal University Shanghai 200062 China
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices Institute of Functional Nano & Soft Materials (FUNSOM) Soochow University Suzhou Jiangsu 215123 P. R. China
| | - Ying-Yi Tang
- School of Physics and Electronic Science Ministry of Education Nanophotonics & Advanced Instrument Engineering Research Center East China Normal University Shanghai 200062 China
| | - Wei Zhou
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices Institute of Functional Nano & Soft Materials (FUNSOM) Soochow University Suzhou Jiangsu 215123 P. R. China
| | - Yang Shen
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices Institute of Functional Nano & Soft Materials (FUNSOM) Soochow University Suzhou Jiangsu 215123 P. R. China
| | - Ming-Lei Guo
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices Institute of Functional Nano & Soft Materials (FUNSOM) Soochow University Suzhou Jiangsu 215123 P. R. China
| | - Yan-Qing Li
- School of Physics and Electronic Science Ministry of Education Nanophotonics & Advanced Instrument Engineering Research Center East China Normal University Shanghai 200062 China
| | - Jian-Xin Tang
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices Institute of Functional Nano & Soft Materials (FUNSOM) Soochow University Suzhou Jiangsu 215123 P. R. China
- Macao Institute of Materials Science and Engineering (MIMSE) Macau University of Science and Technology Taipa 999078 Macau China
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20
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Wang K, Jing L, Yao Q, Zhang J, Cheng X, Yuan Y, Shang C, Ding J, Zhou T, Sun H, Zhang W, Li H. Highly In-Plane Polarization-Sensitive Photodetection in CsPbBr 3 Single Crystal. J Phys Chem Lett 2021; 12:1904-1910. [PMID: 33591752 DOI: 10.1021/acs.jpclett.1c00127] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The fully inorganic perovskite lead cesium bromide single crystal (CsPbBr3 SC) is considered as an excellent candidate semiconductor for photodetectors because of its superior humidity resistance, thermal stability, and light stability compared with organic-inorganic hybrid perovskites as well as its photoelectric properties such as large light absorption coefficient and ultralong carrier migration distance. In this Letter, we utilize the inverse temperature solubility of CsPbBr3 in ternary solvents to grow large-sized CsPbBr3 SCs. By the use of the (101) plane, CsPbBr3 SC-based photodetectors are fabricated, which exhibit excellent polarized light response characteristics. The photocurrent relies on the polarization angle in a sinusoidal fashion and shows strong anisotropic optoelectronic properties. The photodetection performance perpendicular to the y axis is significantly higher than that parallel to the y axis, and the dichroic ratio under 405 nm illumination at a bias voltage of 1 V reaches 2.65. The experimental results are consistent with the results of first-principles calculations.
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Affiliation(s)
- Kaiyu Wang
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Lin Jing
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Qing Yao
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Jie Zhang
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Xiaohua Cheng
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Ye Yuan
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Chenyu Shang
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Jianxu Ding
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Tianliang Zhou
- College of Materials, Xiamen University, Xiamen 361005, China
| | - Haiqing Sun
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Weiwei Zhang
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Huiping Li
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
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21
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Buinevich V, Nepapushev A, Moskovskikh D, Trusov G, Kuskov K, Mukasyan A. Mechanochemical synthesis and spark plasma sintering of hafnium carbonitride ceramics. ADV POWDER TECHNOL 2021. [DOI: 10.1016/j.apt.2020.12.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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22
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Ravi VK, Yu SH, Rajput PK, Nayak C, Bhattacharyya D, Chung DS, Nag A. Colloidal BaZrS 3 chalcogenide perovskite nanocrystals for thin film device fabrication. NANOSCALE 2021; 13:1616-1623. [PMID: 33439209 DOI: 10.1039/d0nr08078k] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The theoretical optoelectronic properties of chalcogenide perovskites (e.g., BaZrS3) are as good as those of halide perovskites (e.g., CH3NH3PbI3). But the fabrication of optoelectronic devices is rarely reported, mainly because researchers still do not know how to prepare good quality thin films of chalcogenide perovskites. Here, we report colloidal BaZrS3 nanocrystals (NCs, 40-60 nm) and their solution processed thin film transistors. BaZrS3 NCs are first prepared using a solid-state synthesis route, and the subsequent surface modifications lead to a colloidal dispersion of NCs in both polar N-methyl-2-pyrrolidinone and non-polar chloroform solvents. The NCs exhibit good thermal (15-673 K) and aqueous stability. Colloidal BaZrS3 NCs in chloroform are then used to make field effect transistors showing ambipolar properties with a hole mobility of 0.059 cm2 V-1 s-1 and an electron mobility of 0.017 cm2 V-1 s-1. This report of solution processed chalcogenide perovskite thin films with reasonable carrier mobility and optical absorption and emission is expected to pave the way for future optoelectronic devices of chalcogenide perovskites.
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Affiliation(s)
- Vikash Kumar Ravi
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Pune-411008, India.
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23
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Abstract
Bromide-based metal halide perovskites (MHPs) are promising photocatalysts with strong blue-green light absorption. Composite photocatalysts of MHPs with MIL-100(Fe), as a powerful photocatalyst itself, have been investigated to extend the responsiveness towards red light. The composites, with a high specific surface area, display an enhanced solar light response, and the improved charge carrier separation in the heterojunctions is employed to maximize the photocatalytic performance. Optimization of the relative composition, with the formation of a dual-phase CsPbBr3 to CsPb2Br5 perovskite composite, shows an excellent photocatalytic performance with 20.4 μmol CO produced per gram of photocatalyst during one hour of visible light irradiation.
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24
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Acharyya P, Kundu K, Biswas K. 2D layered all-inorganic halide perovskites: recent trends in their structure, synthesis and properties. NANOSCALE 2020; 12:21094-21117. [PMID: 33057536 DOI: 10.1039/d0nr06138g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Recently, halide perovskites have appeared as a superior class of materials for diverse applications, mainly in optoelectronics and photovoltaics. Perovskite halides are broadly classified as hybrid organic-inorganic and all-inorganic analogues depending on the chemical nature of the A cation in the ABX3-type structure. Immense progress has already been achieved in halide perovskites focusing mainly on the hybrid equivalents and all-inorganic three-dimensional (3D) structures, however all-inorganic two-dimensional (2D) layered halide perovskites are relatively new and their nanostructures have gained significant attention in the last few years. In this minireview, we presented a discussion on the recently developed all-inorganic 2D layered halide perovskites highlighting their crystal structure, synthetic methodologies, chemical transformations, and optical properties. We have demonstrated a significant number of examples of Pb-free 2D halide perovskite nanostructures. Strategies for the shape-controlled synthesis of nanostructures and their excitonic properties are discussed in detail. Thermal conductivity and thermoelectric properties are emphasized along with the magnetic properties of layered transition-metal based perovskites. We have also mentioned the recent examples of all-inorganic 2D halide perovskites as photocatalysts for solar-driven CO2 reduction. Finally, we have concluded the article with an outlook for the further progress in 2D all-inorganic halide perovskites toward the structural diversity and prospective new applications.
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Affiliation(s)
- Paribesh Acharyya
- New Chemistry Unit and School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064, India.
| | - Kaushik Kundu
- New Chemistry Unit and School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064, India.
| | - Kanishka Biswas
- New Chemistry Unit and School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064, India.
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25
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Cheng R, Jin H, Roeffaers MBJ, Hofkens J, Debroye E. Incorporation of Cesium Lead Halide Perovskites into g-C 3N 4 for Photocatalytic CO 2 Reduction. ACS OMEGA 2020; 5:24495-24503. [PMID: 33015466 PMCID: PMC7528323 DOI: 10.1021/acsomega.0c02960] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 08/11/2020] [Indexed: 05/30/2023]
Abstract
CsPbBr3 perovskite-based composites so far have been synthesized by postdeposition of CsPbBr3 on a parent material. However, in situ construction offers enhanced surface contact, better activity, and improved stability. Instead of applying a typical thermal condensation at highly elevated temperatures, we report for the first time CsPb(Br x Cl1-x )3/graphitic-C3N4 (CsPbX3/g-C3N4) composites synthesized by a simple and mild solvothermal route, with enhanced efficacy in visible-light-driven photocatalytic CO2 reduction. The composite exhibited a CO production rate of 28.5 μmol g-1 h-1 at an optimized loading amount of g-C3N4. This rate is about five times those of pure g-C3N4 and CsPbBr3. This work reports a new in situ approach for constructing perovskite-based heterostructure photocatalysts with enhanced light-harvesting ability and improved solar energy conversion efficiency.
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Affiliation(s)
- Ruolin Cheng
- Department
of Chemistry, Faculty of Science, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Handong Jin
- Department
of Chemistry, Faculty of Science, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Maarten B. J. Roeffaers
- Centre
for Membrane Separations, Adsorption, Catalysis and Spectroscopy for
Sustainable Solutions (cMACS), KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Johan Hofkens
- Department
of Chemistry, Faculty of Science, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Elke Debroye
- Department
of Chemistry, Faculty of Science, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
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26
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Tsvetkov D, Mazurin M, Ivanov I, Malyshkin D, Sereda V, Zuev A. Crucial Role of Water in the Mechanosynthesis of CsPbI
3
and Other ABX
3
Halides. Chemistry 2020; 26:12549-12552. [DOI: 10.1002/chem.202003067] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/04/2020] [Indexed: 01/28/2023]
Affiliation(s)
- Dmitry Tsvetkov
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
| | - Maksim Mazurin
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
| | - Ivan Ivanov
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
| | - Dmitry Malyshkin
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
| | - Vladimir Sereda
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
| | - Andrey Zuev
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
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27
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Ben‐Akacha A, Zhou C, Chaaban M, Beery D, Lee S, Worku M, Lin X, Westphal R, Ma B. Mechanochemical Synthesis of Zero Dimensional Organic‐Inorganic Metal Halide Hybrids. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.202000112] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Azza Ben‐Akacha
- Department of Chemistry and Biochemistry Florida State University Tallahassee Florida 32306 USA
| | - Chenkun Zhou
- Department of Chemical and Biomedical Engineering FAMU-FSU College of Engineering Tallahassee Florida 32310 USA
| | - Maya Chaaban
- Department of Chemistry and Biochemistry Florida State University Tallahassee Florida 32306 USA
| | - Drake Beery
- Department of Chemistry and Biochemistry Florida State University Tallahassee Florida 32306 USA
| | - Sujin Lee
- Department of Chemistry and Biochemistry Florida State University Tallahassee Florida 32306 USA
| | - Michael Worku
- Materials Science and Engineering Program Florida State University Tallahassee Florida 32306 USA
| | - Xinsong Lin
- Department of Chemistry and Biochemistry Florida State University Tallahassee Florida 32306 USA
| | | | - Biwu Ma
- Department of Chemistry and Biochemistry Florida State University Tallahassee Florida 32306 USA
- Department of Chemical and Biomedical Engineering FAMU-FSU College of Engineering Tallahassee Florida 32310 USA
- Materials Science and Engineering Program Florida State University Tallahassee Florida 32306 USA
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28
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Hu YL, Wen QL, Pu ZF, Liu AY, Wang J, Ling J, Xie XG, Cao QE. Rapid synthesis of cesium lead halide perovskite nanocrystals by l-lysine assisted solid-phase reaction at room temperature. RSC Adv 2020; 10:34215-34224. [PMID: 35519020 PMCID: PMC9056784 DOI: 10.1039/d0ra07589b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 09/08/2020] [Indexed: 11/21/2022] Open
Abstract
Nowadays, there are many ways to obtain cesium lead halide perovskite nanocrystals. In addition to the synthesis methods carried out in solution, the solid-phase synthesis was reported involving grinding and milling. In this paper, we synthesized luminescent CsPbBr3/Cs4PbBr6 perovskite nanocrystals (PNCs) by three solid-phase synthesis methods (grinding, knocking, stirring) using l-lysine as a ligand. This is the first attempt to use an amino acid for assisting the solid phase synthesis of perovskite and to study the difference in the products obtained by the three solid phase synthesis methods. The results show that the productivity of the solid-phase synthesis methods can be greatly improved by adding l-lysine and the perovskites obtained by the methods are more resistant to water due to the addition of l-lysine. The simplicity of the synthesis process expanded the use of solid-phase synthesis to obtain more perovskites and provided potential applications of perovskite in analytical detection and sensing in aqueous solution.
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Affiliation(s)
- Yi-Lin Hu
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, National Demonstration Center for Experimental Chemistry and Chemical Engineering Education, School of Chemical Science and Engineering, Yunnan University Kunming 650091 China +86-871-65033679 +86-871-65033719
| | - Qiu-Lin Wen
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, National Demonstration Center for Experimental Chemistry and Chemical Engineering Education, School of Chemical Science and Engineering, Yunnan University Kunming 650091 China +86-871-65033679 +86-871-65033719
| | - Zheng-Fen Pu
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, National Demonstration Center for Experimental Chemistry and Chemical Engineering Education, School of Chemical Science and Engineering, Yunnan University Kunming 650091 China +86-871-65033679 +86-871-65033719
| | - An-Yong Liu
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, National Demonstration Center for Experimental Chemistry and Chemical Engineering Education, School of Chemical Science and Engineering, Yunnan University Kunming 650091 China +86-871-65033679 +86-871-65033719
| | - Jun Wang
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, National Demonstration Center for Experimental Chemistry and Chemical Engineering Education, School of Chemical Science and Engineering, Yunnan University Kunming 650091 China +86-871-65033679 +86-871-65033719
| | - Jian Ling
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, National Demonstration Center for Experimental Chemistry and Chemical Engineering Education, School of Chemical Science and Engineering, Yunnan University Kunming 650091 China +86-871-65033679 +86-871-65033719
| | - Xiao-Guang Xie
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, National Demonstration Center for Experimental Chemistry and Chemical Engineering Education, School of Chemical Science and Engineering, Yunnan University Kunming 650091 China +86-871-65033679 +86-871-65033719
| | - Qiu-E Cao
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, National Demonstration Center for Experimental Chemistry and Chemical Engineering Education, School of Chemical Science and Engineering, Yunnan University Kunming 650091 China +86-871-65033679 +86-871-65033719
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29
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Guo Z, Li J, Pan R, Cheng J, Chen R, He T. All-inorganic copper(i)-based ternary metal halides: promising materials toward optoelectronics. NANOSCALE 2020; 12:15560-15576. [PMID: 32692791 DOI: 10.1039/d0nr04220j] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
All-inorganic lead halides, including CsPbX3 (X = Cl, Br, I), have become important candidate materials in the field of optoelectronics. However, the inherent toxicity of metal lead and poor material stability have hindered further applications of traditional metal halides, CsPbX3. Therefore, copper(i)-based ternary metal halides are expected to become promising substitutes for traditional metal halides because of their nontoxicity, excellent optical properties and good stability under ambient conditions. This article reviews the recent development of all-inorganic low-dimensional copper(i)-based ternary metal halides by introducing their various synthesis methods, crystal structures, properties and their optoelectronic applications. In addition, the prospects for future challenges and the potential significance of copper(i)-based ternary metal halides in optoelectronic fields are presented.
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Affiliation(s)
- Zhihang Guo
- Key Laboratory of Green Preparation and Application for Functional Materials, Ministry of Education, School of Materials Science and Engineering, Hubei University, Wuhan 430062, China.
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30
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Feng J, Han X, Huang H, Meng Q, Zhu Z, Yu T, Li Z, Zou Z. Curing the fundamental issue of impurity phases in two-step solution-processed CsPbBr 3 perovskite films. Sci Bull (Beijing) 2020; 65:726-737. [PMID: 36659106 DOI: 10.1016/j.scib.2020.01.025] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 01/04/2020] [Accepted: 01/19/2020] [Indexed: 01/21/2023]
Abstract
Inorganic lead halide perovskite CsPbBr3 offers attractive photophysical properties and phase stability for high-performance optoelectronic devices. However, CsPbBr3 films produced by the classic solution-based two-step method are always accompanied with impurity phases of CsPb2Br5 and Cs4PbBr6, which represents a major efficiency-limiting factor for future advances of CsPbBr3-based devices. The challenge lies in the complexity of the Cs-Pb-Br phase system, requiring both spatially and temporally precise control of the precursor stoichiometry during solution-phase growth of CsPbBr3 films. By adopting 2-methoxyethanol as the solution conversion medium instead of commonly applied methanol, the reaction between CsBr and PbBr2 can be finely controlled to yield single phase CsPbBr3 films within a few minutes; extending the solution-conversion step to 24 h does not alter the phase purity of resulting CsPbBr3 films. The present work paves the way to regulate the crystal growth behaviors of two-step solution-processed CsPbBr3 films by simple solvent engineering.
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Affiliation(s)
- Jianyong Feng
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China
| | - Xiaopeng Han
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China; School of Physics, Nanjing University, Nanjing 210093, China
| | - Huiting Huang
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China
| | - Qingxiao Meng
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China; School of Physics, Nanjing University, Nanjing 210093, China
| | - Zhi Zhu
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China; School of Physics, Nanjing University, Nanjing 210093, China
| | - Tao Yu
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China; School of Physics, Nanjing University, Nanjing 210093, China.
| | - Zhaosheng Li
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China.
| | - Zhigang Zou
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China; School of Physics, Nanjing University, Nanjing 210093, China
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31
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Sheikh T, Nawale V, Pathoor N, Phadnis C, Chowdhury A, Nag A. Molecular Intercalation and Electronic Two Dimensionality in Layered Hybrid Perovskites. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003509] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Tariq Sheikh
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Pune 411008 India
| | - Vaibhav Nawale
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Pune 411008 India
| | - Nithin Pathoor
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai India
| | - Chinmay Phadnis
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai India
| | - Arindam Chowdhury
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai India
| | - Angshuman Nag
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Pune 411008 India
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32
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Sheikh T, Nawale V, Pathoor N, Phadnis C, Chowdhury A, Nag A. Molecular Intercalation and Electronic Two Dimensionality in Layered Hybrid Perovskites. Angew Chem Int Ed Engl 2020; 59:11653-11659. [DOI: 10.1002/anie.202003509] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Indexed: 11/08/2022]
Affiliation(s)
- Tariq Sheikh
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Pune 411008 India
| | - Vaibhav Nawale
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Pune 411008 India
| | - Nithin Pathoor
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai India
| | - Chinmay Phadnis
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai India
| | - Arindam Chowdhury
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai India
| | - Angshuman Nag
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Pune 411008 India
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33
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López CA, Abia C, Alvarez-Galván MC, Hong BK, Martínez-Huerta MV, Serrano-Sánchez F, Carrascoso F, Castellanos-Gómez A, Fernández-Díaz MT, Alonso JA. Crystal Structure Features of CsPbBr 3 Perovskite Prepared by Mechanochemical Synthesis. ACS OMEGA 2020; 5:5931-5938. [PMID: 32226873 PMCID: PMC7098001 DOI: 10.1021/acsomega.9b04248] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 02/03/2020] [Indexed: 05/04/2023]
Abstract
We present a mechanochemical procedure, with solvent-free, green-chemistry credentials, to grow all-inorganic CsPbBr3 perovskite. The crystal structure of this perovskite and its correlations with the physicochemical properties have been studied. Synchrotron X-ray diffraction (SXRD) and neutron powder diffraction (NPD) allowed us to follow the crystallographic behavior from 4 to 773 K. Unreported features like the observed negative thermal expansion of the b unit-cell parameter stem from octahedral distortions in the 4-100 K temperature range. The mechanochemical synthesis was designed to reduce the impact energy during the milling process, leading to a defect-free, well-crystallized sample characterized by a minimum unit-cell volume and octahedral tilting angles in the low-temperature orthorhombic perovskite framework, defined in the Pbnm space group. The UV-vis diffuse reflectance spectrum shows a reduced band gap of 2.22(3) eV, and the photocurrent characterization in a photodetector reveals excellent properties with potential applications of this material in optoelectronic devices.
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Affiliation(s)
- Carlos A. López
- Instituto
de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid, Spain
- INTEQUI,
(UNSL-CONICET) and Facultad de Química, Bioquímica y
Farmacia, UNSL, Almirante Brown 1455, 5700 San Luis, Argentina
- E-mail: ,
(C.A.L.)
| | - Carmen Abia
- Instituto
de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid, Spain
- Institut
Laue Langevin, 38042 Grenoble Cedex, France
| | | | - Bo-Kyung Hong
- Instituto
de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid, Spain
- Instituto
de Catálisis y Petroleoquímica, CSIC, Cantoblanco, 28049 Madrid, Spain
| | | | | | - Felix Carrascoso
- Instituto
de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid, Spain
| | | | | | - José A. Alonso
- Instituto
de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid, Spain
- E-mail: (J.A.A.)
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34
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Wang L, Xue Y, Cui M, Huang Y, Xu H, Qin C, Yang J, Dai H, Yuan M. A Chiral Reduced‐Dimension Perovskite for an Efficient Flexible Circularly Polarized Light Photodetector. Angew Chem Int Ed Engl 2020; 59:6442-6450. [DOI: 10.1002/anie.201915912] [Citation(s) in RCA: 102] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Indexed: 01/16/2023]
Affiliation(s)
- Lin Wang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)College of ChemistryNankai University Tianjin 300071 P. R. China
- Renewable Energy Conversion and Storage Center (RECAST)Nankai University Tianjin 300071 P. R. China
| | - Yongxiang Xue
- Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing TechnologySchool of ScienceTianjin University Tianjin 300072 P. R. China
| | - Minghuan Cui
- Henan Key Laboratory of Infrared Materials & Spectrum Measures and ApplicationsSchool of PhysicsHenan Normal University Xinxiang 453007 P.R. China
| | - Yanmin Huang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)College of ChemistryNankai University Tianjin 300071 P. R. China
- Renewable Energy Conversion and Storage Center (RECAST)Nankai University Tianjin 300071 P. R. China
| | - Hongyu Xu
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)College of ChemistryNankai University Tianjin 300071 P. R. China
- Renewable Energy Conversion and Storage Center (RECAST)Nankai University Tianjin 300071 P. R. China
| | - Chaochao Qin
- Henan Key Laboratory of Infrared Materials & Spectrum Measures and ApplicationsSchool of PhysicsHenan Normal University Xinxiang 453007 P.R. China
| | - Jien Yang
- Henan Key Laboratory of Infrared Materials & Spectrum Measures and ApplicationsSchool of PhysicsHenan Normal University Xinxiang 453007 P.R. China
| | - Haitao Dai
- Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing TechnologySchool of ScienceTianjin University Tianjin 300072 P. R. China
| | - Mingjian Yuan
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)College of ChemistryNankai University Tianjin 300071 P. R. China
- Renewable Energy Conversion and Storage Center (RECAST)Nankai University Tianjin 300071 P. R. China
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35
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Wang L, Xue Y, Cui M, Huang Y, Xu H, Qin C, Yang J, Dai H, Yuan M. A Chiral Reduced‐Dimension Perovskite for an Efficient Flexible Circularly Polarized Light Photodetector. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915912] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Lin Wang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)College of ChemistryNankai University Tianjin 300071 P. R. China
- Renewable Energy Conversion and Storage Center (RECAST)Nankai University Tianjin 300071 P. R. China
| | - Yongxiang Xue
- Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing TechnologySchool of ScienceTianjin University Tianjin 300072 P. R. China
| | - Minghuan Cui
- Henan Key Laboratory of Infrared Materials & Spectrum Measures and ApplicationsSchool of PhysicsHenan Normal University Xinxiang 453007 P.R. China
| | - Yanmin Huang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)College of ChemistryNankai University Tianjin 300071 P. R. China
- Renewable Energy Conversion and Storage Center (RECAST)Nankai University Tianjin 300071 P. R. China
| | - Hongyu Xu
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)College of ChemistryNankai University Tianjin 300071 P. R. China
- Renewable Energy Conversion and Storage Center (RECAST)Nankai University Tianjin 300071 P. R. China
| | - Chaochao Qin
- Henan Key Laboratory of Infrared Materials & Spectrum Measures and ApplicationsSchool of PhysicsHenan Normal University Xinxiang 453007 P.R. China
| | - Jien Yang
- Henan Key Laboratory of Infrared Materials & Spectrum Measures and ApplicationsSchool of PhysicsHenan Normal University Xinxiang 453007 P.R. China
| | - Haitao Dai
- Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing TechnologySchool of ScienceTianjin University Tianjin 300072 P. R. China
| | - Mingjian Yuan
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)College of ChemistryNankai University Tianjin 300071 P. R. China
- Renewable Energy Conversion and Storage Center (RECAST)Nankai University Tianjin 300071 P. R. China
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36
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Tang S, Xiao X, Hu J, Gao B, Chen H, Peng Z, Wen J, Era M, Zou D. Solvent-Free Mechanochemical Synthesis of a Systematic Series of Pure-Phase Mixed-Halide Perovskites MAPb(I x Br 1-x ) 3 and MAPb(Br x Cl 1-x ) 3 for Continuous Composition and Band-Gap Tuning. Chempluschem 2020; 85:240-246. [PMID: 31990454 DOI: 10.1002/cplu.201900723] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 01/10/2020] [Indexed: 11/10/2022]
Abstract
Hybrid perovskites have recently received much attention in optoelectronic applications. However, hybrid perovskites are unstable in a humid environment. Mixed halide perovskites (MHPs) show enhanced stability and band-gap tunability upon engineering of their halide composition. Here, MHPs are prepared through a solvent-free mechanochemical synthesis (MCS) route that allows superior control over halide compositions than the solvent synthesis routes (SS). The MCS route eliminates the problem in the preparation of MAPb(Ix Br1-x )3 with continuously varying x, while maintaining the material properties and suppressing phase segregation present in SS routes. UV-vis absorption and X-ray diffraction patterns confirm the production of the desired pure-phase MHPs. For MAPb(Ix Br1-x )3 (0≤x≤1), with increased ratio of halide (x), the cubic phase gradually transforms into the tetragonal phase and band-gap tunability is accomplished. The MCS route for the preparation of MHPs is a very promising and efficient technique for superior control in optoelectronic properties, leading to improved control in fabrication approaches.
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Affiliation(s)
- Sheng Tang
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Xinyu Xiao
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Jing Hu
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Bo Gao
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Hunglin Chen
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Zongyang Peng
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Jianchun Wen
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Masanao Era
- Department of Chemistry and Applied Chemistry, Saga University, Saga, 840-8502, Japan
| | - Dechun Zou
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China.,Beijing Engineering Research Center for Active Matrix Display, Peking University, Beijing, 100871, P. R. China
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37
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Fu D, Yuan J, Wu S, Yao Y, Zhang X, Zhang XM. A two-dimensional bilayered Dion–Jacobson-type perovskite hybrid with a narrow bandgap for broadband photodetection. Inorg Chem Front 2020. [DOI: 10.1039/c9qi01540j] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A unique 2D bilayered Dion–Jacobson type perovskite hybrid semiconductor shows broadband photodetection.
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Affiliation(s)
- Dongying Fu
- Institute of Crystalline Materials
- Shanxi University
- Taiyuan
- China
- Institute of Molecular Science
| | - Jianrong Yuan
- Institute of Crystalline Materials
- Shanxi University
- Taiyuan
- China
- Institute of Molecular Science
| | - Shichao Wu
- Institute of Crystalline Materials
- Shanxi University
- Taiyuan
- China
- Institute of Molecular Science
| | - Yunpeng Yao
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- P.R. China
| | - Xinyuan Zhang
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- P.R. China
| | - Xian-Ming Zhang
- Institute of Crystalline Materials
- Shanxi University
- Taiyuan
- China
- Institute of Molecular Science
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38
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Maji K, Acharyya P, Satapathy P, Prasad SK, Biswas K. Mechanochemical Synthesis and Temperature-Dependent Optical Properties of Thermochromic (Ag 1-x Cu x ) 2 HgI 4. Chem Asian J 2019; 14:4641-4644. [PMID: 31282039 DOI: 10.1002/asia.201900716] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Indexed: 11/11/2022]
Abstract
Thermochromic materials are generally synthesized via high-temperature melting reaction or solution-based synthesis. Herein, all-inorganic thermochromic compounds of (Ag1-x Cux )2 HgI4 were synthesized by solvent-free simple and scalable mechanochemical grinding at room temperature. Temperature-dependent electronic absorption spectroscopy along with DSC analysis confirmed the thermochromic events within these materials, and the phase transition temperature varied with solid solution compositions. The photoluminescence (PL) spectra is red-shifted with the increase in the Cu content in (Ag1-x Cux )2 HgI4 (x=0-1).
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Affiliation(s)
- Krishnendu Maji
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore, 560064, India
| | - Paribesh Acharyya
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore, 560064, India
| | | | - S Krishna Prasad
- Centre for Nano and Soft Matter Sciences, Bangalore, 560013, India
| | - Kanishka Biswas
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore, 560064, India.,School of Advanced Materials and International Centre of Materials Science, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore, 560064, India
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39
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Prochowicz D, Saski M, Yadav P, Grätzel M, Lewiński J. Mechanoperovskites for Photovoltaic Applications: Preparation, Characterization, and Device Fabrication. Acc Chem Res 2019; 52:3233-3243. [PMID: 31702124 DOI: 10.1021/acs.accounts.9b00454] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Hybrid organic-inorganic metal halide perovskites (MHPs) have emerged as excellent absorber materials for next generation solar cells owing to their simple solution-processed synthesis and high efficiency. This breakthrough in photovoltaics along with an accompanying impact in light-emitting applications prompted a renaissance of interest in the broad family of MHPs. Notably, the optoelectronic properties and the photovoltaic parameters of MHPs are highly sensitive to the adopted synthetic strategy. The preparation of MHPs has commonly relied on solution-based methods requiring elevated temperatures for homogeneity of reaction mixtures. While the solution-based approach is relatively versatile, it faces challenges such as limitations in compositional engineering of MHPs or their long-term storage among others. Therefore, there is a continuous great challenge to develop efficient synthetic strategies affording various high-quality MHP materials for numerous technological optoelectronic applications. In the past decade, mechanochemistry has appeared as a green alternative to traditional synthesis. This solid-state, re-emerging efficient synthetic methodology mediated by direct absorption of mechanical energy is growing explosively across organic and inorganic chemistry and materials science. In this Account, we describe our shared interest in the productive use of mechanical force in chemistry of MHPs, as well as assembly of the respective solar cell devices. We highlight the milestones achieved by our groups along with the seminal contributions by other groups. In particular, we demonstrate that mechanochemistry efficiently allows the formation of various phase pure hybrid lead and lead-free halide perovskite compositions (called hereafter "mechanoperovskites"). The progress in solvent-free solid-state synthesis is greatly enhanced by the integration of advanced methods of solid-state analysis like powder X-ray diffraction (pXRD), solid-state nuclear magnetic resonance (ss-NMR) and UV-vis spectroscopies, and we aim to illustrate this ongoing integration through appropriate examples. Furthermore, we show that thin films based on mechanoperovskites have the advantage of providing a higher degree of control of the stoichiometry and higher reproducibility, stability, and material phase purity. The impact of using powdered mechanoperovskite as a precursor for thin film formation on the electrochemical and photovoltaic properties of the solar cells is also discussed. Finally, our view of current challenges and future directions in this emerging interdisciplinary area of research is provided.
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Affiliation(s)
- Daniel Prochowicz
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Marcin Saski
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Pankaj Yadav
- Department of Solar Energy, School of Technology, Pandit Deendayal Petroleum University, Gandhinagar, 382 007 Gujarat, India
| | - Michael Grätzel
- Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, School of Basic Sciences, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
| | - Janusz Lewiński
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
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40
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Guerin S, Hayden BE. ABO 3 and A 1-xC xB 1-yD y(O 1-zE z) 3: review of experimental optimisation of thin film perovskites by high-throughput evaporative physical vapour deposition. Chem Commun (Camb) 2019; 55:10047-10055. [PMID: 31364997 DOI: 10.1039/c9cc03518d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The development of functional perovskites for future technologies can be achieved though the combinatorial synthetic method of evaporative physical vapour deposition (HT-ePVD) which provides a direct low temperature route to anion stoichiometric materials. When combined with the ability to control and vary precisely the composition of thin film libraries of materials, high-throughput methods of screening and characterisation provides a rapid experimental determination of the structure/function relationship. This review of the use of HT-ePVD shows that controlled cationic substitutions in A and/or B sites can easily be explored, as can the effect of anionic substitution. This is exemplified in using this approach for a wide range of perovskite systems, where the tuning of the functional properties through cation substitution has application in a broad range of technologies.
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Affiliation(s)
- Samuel Guerin
- Ilika Technologies Ltd, Kenneth Dibben House, Enterprise Road, University of Southampton Science Park, Chilworth, SO16 7NS, UK.
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41
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Budny-Godlewski K, Justyniak I, Leszczyński MK, Lewiński J. Mechanochemical and slow-chemistry radical transformations: a case of diorganozinc compounds and TEMPO. Chem Sci 2019; 10:7149-7155. [PMID: 31588281 PMCID: PMC6686643 DOI: 10.1039/c9sc01396b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 06/16/2019] [Indexed: 12/14/2022] Open
Abstract
From the green chemistry perspective, molecular solid-state transformations conducted under mild conditions are of great interest and desirability. However, research in this area lacked popularity in the previous century, and thus progressed slowly. In particular, the application of radical reactions in solid-state chemistry has been hampered by several long-standing challenges that are intrinsically associated with the apparent unpredictable nature of radical chemistry. We present a comparative study of model mechanochemical, slow-chemistry and solution radical reactions between TEMPO and homoleptic organozinc compounds (i.e., di-tert-butylzinc and diphenylzinc). In the case of the tBu2Zn/TEMPO reaction system only a dimeric diamagnetic complex [tBuZn(μ-TEMPO*)]2 is obtained in yields slightly varying with the method chosen. In contrast, when TEMPO is mixed with diphenylzinc in a 2 : 1 molar ratio a novel paramagnetic Lewis acid-base adduct [[Ph2Zn(η1-TEMPO)]·TEMPO] is isolated in high yields regardless of the applied methodology. This adduct is also formed in the slow-chemistry process when TEMPO is gently mixed with Ph2Zn in a 1 : 1 molar ratio and left for two weeks at ambient temperature. Within the next week the reaction mixture gives in high yield a diamagnetic dinuclear compound [PhZn(μ-TEMPO*)][PhZn(μ2-η1:η1-TEMPO*)] and biphenyl. The analogous reaction conducted in toluene results in a much lower conversion rate. The reported results open up a new horizon in molecular solid-state radical transformations.
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Affiliation(s)
- Krzysztof Budny-Godlewski
- Faculty of Chemistry , Warsaw University of Technology , Noakowskiego 3 , 00-664 Warsaw , Poland . ; ; Tel: +48 22 2347315
| | - Iwona Justyniak
- Institute of Physical Chemistry , Polish Academy of Sciences , Kasprzaka 44/52 , 01-224 Warsaw , Poland
| | - Michał K Leszczyński
- Institute of Physical Chemistry , Polish Academy of Sciences , Kasprzaka 44/52 , 01-224 Warsaw , Poland
| | - Janusz Lewiński
- Faculty of Chemistry , Warsaw University of Technology , Noakowskiego 3 , 00-664 Warsaw , Poland . ; ; Tel: +48 22 2347315
- Institute of Physical Chemistry , Polish Academy of Sciences , Kasprzaka 44/52 , 01-224 Warsaw , Poland
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42
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Gan Z, Zheng F, Mao W, Zhou C, Chen W, Bach U, Tapping P, Kee TW, Davis JA, Jia B, Wen X. The optical properties of Cs 4PbBr 6-CsPbBr 3 perovskite composites. NANOSCALE 2019; 11:14676-14683. [PMID: 31342028 DOI: 10.1039/c9nr04787e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Although the optoelectronic applications of metal halide perovskites have been intensively investigated in recent years, the fundamental carrier dynamics of zero-dimensional (0D) Cs4PbBr6 perovskites has been relatively underexplored; in particular, the nature of the green fluorescence is highly debated. Nevertheless, the unique photophysical properties are of immense interest for a variety of potential applications. In this work, the green emission of the CsPbBr3-Cs4PbBr6 perovskite composites is studied using temperature dependent photoluminescence (PL). The PL spectra at different temperatures simultaneously contain two sub-peaks (520 nm and 550 nm), which are ascribed to the emissions of the band-edge and the defect trapped exciton of CsPbBr3. This finding will help to understand the controversial photoluminescence currently observed in different 0D Cs4PbBr6 perovskites.
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Affiliation(s)
- Zhixing Gan
- Centre for Translational Atomaterials, Swinburne University of Technology, Hawthorn 3122, Australia.
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Lu H, Tang Y, Rao L, Li Z, Ding X, Song C, Yu B. Investigating the transformation of CsPbBr 3 nanocrystals into highly stable CsPbBr 3/Cs 4PbBr 6 nanocrystals using ethyl acetate in a microchannel reactor. NANOTECHNOLOGY 2019; 30:295603. [PMID: 30943456 DOI: 10.1088/1361-6528/ab15c7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The nanocrystals (NCs) of inorganic perovskites CsPbX3 and Cs4PbX6 (X = Cl, Br, I) are showing a great development potential due to their versatility of crystal structure. Here, we used a microchannel reactor to synthesize both CsPbBr3 NCs (CsPbBr3 NCs) and Cs4PbBr6 NCs with embedded CsPbBr3 (CsPbBr3/Cs4PbBr6 NCs). Via speed control of the precursor, ligands around the surface of NCs were effectively regulated by ethyl acetate, allowing the transformation from CsPbBr3 NCs to CsPbBr3/Cs4PbBr6 NCs in a short time, an outstanding stability of NCs, and a better crosslinking between NCs and polymer for the application of LEDs. Without any protection, the CsPbBr3/Cs4PbBr6 NCs, with a production rate of 28 mg min-1, retain more than 90% of the PL intensity after 84 d. Finally, the CsPbBr3/Cs4PbBr6 NCs were used to produce an LED device, and a wide color gamut of 122.8% NTSC or 91.7% Rec 2020 was attained.
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Affiliation(s)
- Hanguang Lu
- Engineering Research Centre of Green Manufacturing for Energy-Saving and New Energy Technology, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, 510640, People's Republic of China
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Hong Z, Tan D, John RA, Tay YKE, Ho YKT, Zhao X, Sum TC, Mathews N, García F, Soo HS. Completely Solvent-free Protocols to Access Phase-Pure, Metastable Metal Halide Perovskites and Functional Photodetectors from the Precursor Salts. iScience 2019; 16:312-325. [PMID: 31203187 PMCID: PMC6581789 DOI: 10.1016/j.isci.2019.05.042] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 05/22/2019] [Accepted: 05/30/2019] [Indexed: 12/22/2022] Open
Abstract
Mechanochemistry is a green, solid-state, re-emerging synthetic technique that can rapidly form complex molecules and materials without exogenous heat or solvent(s). Herein, we report the application of solvent-free mechanochemical ball milling for the synthesis of metal halide perovskites, to overcome problems with solution-based syntheses. We prepared phase-pure, air-sensitive CsSnX3 (X = I, Br, Cl) and its mixed halide perovskites by mechanochemistry for the first time by reactions between cesium and tin(II) halides. Notably, we report the sole examples where metastable, high-temperature phases like cubic CsSnCl3, cubic CsPbI3, and trigonal FAPbI3 were accessible at ambient temperatures and pressures without post-synthetic processing. The perovskites can be prepared up to "kilogram scales." Lead-free, all-inorganic photodetector devices were fabricated using the mechanosynthesized CsSnBr1.5Cl1.5 under solvent-free conditions and showed 10-fold differences between on-off currents. We highlight an essentially solvent-free, general approach to synthesize metastable compounds and fabricate photodetectors from commercially available precursors.
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Affiliation(s)
- Zonghan Hong
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Davin Tan
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Rohit Abraham John
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Yong Kang Eugene Tay
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Yan King Terence Ho
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Xin Zhao
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Tze Chien Sum
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Nripan Mathews
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; Energy Research Institute @NTU (ERI@N), Research Techno Plaza, X-Frontier Block, Level 5, 50 Nanyang Drive, Singapore 637553, Singapore.
| | - Felipe García
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore.
| | - Han Sen Soo
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore; Solar Fuels Laboratory, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore.
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45
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Premkumar S, Kundu K, Umapathy S. Impact of cesium in methylammonium lead bromide perovskites: insights into the microstructures, stability and photophysical properties. NANOSCALE 2019; 11:10292-10305. [PMID: 31099377 DOI: 10.1039/c9nr02733e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The thermal and moisture instabilities of pure organic lead halide perovskites are the foremost concerns towards the commercialization of perovskite solar cells, which can be avoided by introducing an inorganic cation, such as cesium ion (Cs+) at the A-site of the perovskite crystals. In this report, the impacts of substituted Cs+ cations on the inherent properties such as microstructures, morphology, and photophysics of pure methylammonium lead bromide (MAPbBr3) perovskites have been investigated. Successful formation of mixed MA1-xCsxPbBr3 phases (with 0 ≤ x ≤ 1.0) was predicted from the theoretically calculated tolerance factor, which was further supported by the appearance of sharp diffraction peaks in X-ray diffraction (XRD) patterns without any additional peaks in the whole composition range. Substitution of Cs+ ions brings significant lattice contraction in the parent MAPbBr3 crystal due to the ion size disparity in the ionic radii between MA+ and Cs+ ions. We examine the vibrational signatures of the Raman bands related to the organic MA+ and infer the nature of interactions between the organic moiety and the surrounding inorganic cage as a function of Cs concentration. Raman spectroscopic analysis reveals structural distortion due to the altered H-bonding interaction of the N+-HBr- type between MA+ and the PbBr3- octahedral framework as a function of Cs content, which is responsible for the octahedral tilting in Cs substituted MAPbBr3. We also found hindered rotational motions of MA+ in the octahedral cage of mixed cationic systems, resulting in the orientational ordering of MA in the presence of Cs. These results certainly offer highly ordered mixed phase structures and promote superior thermal stability, as evident from the thermogravimetric analysis. The photoluminescence intensity becomes considerably enhanced at increased substitution levels, which highlights the capability of incorporated Cs+ cations in suppressing non-radiative recombination in a pure MA-based crystal, possibly related to the mitigation of trapping. The substitution of Cs+ with MAPbBr3 allows innovative strategies to improve the proficiency of tandem solar cells by modifying their structural and photophysical properties.
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Affiliation(s)
- S Premkumar
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India.
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46
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Saski M, Prochowicz D, Marynowski W, Lewiński J. Mechanosynthesis, Optical, and Morphological Properties of MA, FA, Cs-SnX3
(X = I, Br) and Phase-Pure Mixed-Halide MASnI
x
Br3
-x
Perovskites. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201801506] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Marcin Saski
- Institute of Physical Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Daniel Prochowicz
- Institute of Physical Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Wojciech Marynowski
- Institute of Physical Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Janusz Lewiński
- Institute of Physical Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
- Faculty of Chemistry; Warsaw University of Technology; Noakowskiego 3 00-664 Warsaw Poland
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47
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Rosales BA, Wei L, Vela J. Synthesis and mixing of complex halide perovskites by solvent-free solid-state methods. J SOLID STATE CHEM 2019. [DOI: 10.1016/j.jssc.2018.12.054] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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48
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Thumu U, Piotrowski M, Owens-Baird B, Kolen’ko YV. Zero-dimensional cesium lead halide perovskites: Phase transformations, hybrid structures, and applications. J SOLID STATE CHEM 2019. [DOI: 10.1016/j.jssc.2019.01.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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49
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Acharyya P, Pal P, Samanta PK, Sarkar A, Pati SK, Biswas K. Single pot synthesis of indirect band gap 2D CsPb 2Br 5 nanosheets from direct band gap 3D CsPbBr 3 nanocrystals and the origin of their luminescence properties. NANOSCALE 2019; 11:4001-4007. [PMID: 30768107 DOI: 10.1039/c8nr09349k] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Two-dimensional (2D) perovskites recently attracted significant interest due to their unique and novel optoelectronic properties. CsPb2Br5, a 2D inorganic perovskite halide, is an indirect band gap semiconductor, and hence it is not supposed to be luminescent. However, a fundamental understanding of the origin of its luminescence properties is still lacking as there are contradictory literature reports present concerning its luminescence properties. Here, we demonstrate a single pot solution based transformation of 2D CsPb2Br5 nanosheets from the nanocrystals of 3D CsPbBr3 and investigate the origin of its luminescence properties by detailed experiments and density functional theory (DFT) calculations. The photoluminescence of CsPb2Br5 originates from the different amorphous lead bromide ammonium complexes which are present at the surface of the nanosheets. We have also highlighted the formation mechanism of 2D nanosheets from 3D CsPbBr3 nanocrystals. These combined theoretical and experimental studies offer significant insights into the optical properties and formation mechanism of 2D CsPb2Br5 perovskites.
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Affiliation(s)
- Paribesh Acharyya
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore 560064, India.
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50
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Karmakar A, Dodd MS, Zhang X, Oakley MS, Klobukowski M, Michaelis VK. Mechanochemical synthesis of 0D and 3D cesium lead mixed halide perovskites. Chem Commun (Camb) 2019; 55:5079-5082. [PMID: 30969291 DOI: 10.1039/c8cc09622h] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A simplified mechanochemical synthesis approach for Cs-containing mixed halide perovskite materials of lower and higher dimensionality (0D and 3D, respectively) is presented with stoichiometric control from their halide salts, CsX and PbX2 (X = Cl, Br, I). Excellent optical bandgap tunability through halide substitution is supported by property measurements and changes to the materials' structure. Complementary NMR and XRD methods, along with support from DFT calculations, reveal highly crystalline 0D and 3D solid solutions with a complex arrangement of [PbX6-xXx']4- pseudooctahedra caused by halide distribution about the Pb centre.
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Affiliation(s)
- Abhoy Karmakar
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada.
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