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Chen H, Zhu Z, Zhao B, Huang W, Qu G, Xu Z, Yu X, Xiao Q, Yang S, Li Y. Vertically Oriented Quasi-2D Perovskite Grown In-Situ by Carbonyl Array-Synergized Crystallization for Direct X-Ray Detectors. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2309185. [PMID: 38741387 PMCID: PMC11267269 DOI: 10.1002/advs.202309185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 03/12/2024] [Indexed: 05/16/2024]
Abstract
Quasi-2D perovskite quantum wells are increasingly recognized as promising candidates for direct-conversion X-ray detection. However, the fabrication of oriented and uniformly thick quasi-2D perovskite films, crucial for effective high-energy X-ray detection, is hindered by the inherent challenges of preferential crystallization at the gas-liquid interface, resulting in poor film quality. In addressing this limitation, a carbonyl array-synergized crystallization (CSC) strategy is employed for the fabrication of thick films of a quasi-2D Ruddlesden-Popper (RP) phase perovskite, specifically PEA2MA4Pb5I16. The CSC strategy involves incorporating two forms of carbonyls in the perovskite precursor, generating large and dense intermediates. This design reduces the nucleation rate at the gas-liquid interface, enhances the binding energies of Pb2+ at (202) and (111) planes, and passivates ion vacancy defects. Consequently, the construction of high-quality thick films of PEA2MA4Pb5I16 RP perovskite quantum wells is achieved and characterized by vertical orientation and a pure well-width distribution. The corresponding PEA2MA4Pb5I16 RP perovskite X-ray detectors exhibit multi-dimensional advantages in performance compared to previous approaches and commercially available a-Se detectors. This CSC strategy promotes 2D perovskites as a candidate for next-generation large-area flat-panel X-ray detection systems.
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Affiliation(s)
- Huiwen Chen
- Materials Interfaces CenterShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen518055China
- School of Materials Science and EngineeringAnhui University of Science & TechnologyHuainan232001China
| | - Ziyao Zhu
- Materials Interfaces CenterShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen518055China
| | - Bo Zhao
- Materials Interfaces CenterShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen518055China
| | - Weixiong Huang
- Materials Interfaces CenterShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen518055China
| | - Geping Qu
- Department of ChemistrySouthern University of Science and TechnologyShenzhen518055China
| | - Zong‐Xiang Xu
- Department of ChemistrySouthern University of Science and TechnologyShenzhen518055China
| | - Xue‐Feng Yu
- Materials Interfaces CenterShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen518055China
| | - Quanlan Xiao
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of EducationInstitute of Microscale OptoelectronicsShenzhen UniversityShenzhen518060China
| | - Shihe Yang
- Guangdong Key Lab of Nano‐Micro Material ResearchSchool of Chemical Biology and BiotechnologyShenzhen Graduate SchoolPeking UniversityShenzhen518055China
| | - Yunlong Li
- Materials Interfaces CenterShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen518055China
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2
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Jiang Y, Qin Y, Chandrapala J, Majzoobi M, Brennan C, Sun J, Zeng XA, Sun B. Investigation of interactions between Jiuzao glutelin with resveratrol, quercetin, curcumin, and azelaic and potential improvement on physicochemical properties and antioxidant activities. Food Chem X 2024; 22:101378. [PMID: 38665626 PMCID: PMC11043818 DOI: 10.1016/j.fochx.2024.101378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 04/06/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
The interactions among small molecular functional components (FCTs) within a food matrix have become a focal point for enhancing their stability and bioactivities. Jiuzao glutelin (JG) is a mixed plant protein within Jiuzao (a protein-rich baijiu distillation by-product). This study aimed to explore the interactions between JG and selected FCTs, including resveratrol (RES), quercetin (QUE), curcumin (CUR), and azelaic acid (AZA), and the consequential impact on stability and antioxidant activity of the complexes. The findings conclusively demonstrated that the interactions between JG and the FCTs significantly enhanced the storage stability of the complexes. Moreover, the antioxidant activity of the complexes exhibited improvement compared to their individual counterparts. This study underscores the notion that JG and FCTs mutually reinforce, exerting positive effects on stability and antioxidant activity. This symbiotic relationship can be strategically employed to augment the quality of proteins and enhance the functional properties of bioactive components through these interactions.
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Affiliation(s)
- Yunsong Jiang
- Key Laboratory of Geriatric Nutrition and Health, Beijing Technology and Business University, Ministry of Education, 100048, People's Republic of China
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China
- Biosciences and Food Technology, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, Australia
| | - Yuxin Qin
- Biosciences and Food Technology, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, Australia
| | - Jayani Chandrapala
- Biosciences and Food Technology, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, Australia
| | - Mahsa Majzoobi
- Biosciences and Food Technology, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, Australia
| | - Charles Brennan
- Biosciences and Food Technology, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, Australia
| | - Jinyuan Sun
- Key Laboratory of Geriatric Nutrition and Health, Beijing Technology and Business University, Ministry of Education, 100048, People's Republic of China
| | - Xin-An Zeng
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China
| | - Baoguo Sun
- Key Laboratory of Geriatric Nutrition and Health, Beijing Technology and Business University, Ministry of Education, 100048, People's Republic of China
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3
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Zhao WH, Liang Z, Liu YZ, Deng ZQ, Ouyang YL, Tan R, Yao YS, Wei XL, Tang ZK. Enhanced optical absorption in two-dimensional Ruddlesden-Popper (C 6H 5CH 2NH 3) 2PbI 4 perovskites via biaxial strain and surface doping. Dalton Trans 2023; 52:11067-11075. [PMID: 37523155 DOI: 10.1039/d3dt01807e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
Two-dimensional Ruddlesden-Popper (2D RP) perovskites can form layered protective materials using long organic cations as "barrier" caps, which is expected to solve the problem of instability of perovskites in the working environment. In this work, we systematically studied the 2D Ruddlesden-Popper (C6H5CH2NH3)2PbI4 hybrid perovskites using density functional theory. The results reveal that the 2D (C6H5CH2NH3)2PbI4 perovskites are semiconductors with band gaps of 2.22 eV. The optical absorption peak of the 2D (C6H5CH2NH3)2PbI4 perovskite structure is located at 532 nm in the visible region. Interestingly, the optical absorption spectrum of the 2D (C6H5CH2NH3)2PbI4 perovskite structure enhanced under suitable strains. The highest optical absorption peak appears in 2D (C6H5CH2NH3)2PbI4 under a -2% strain, and its theoretical photoelectric conversion efficiency is 28.5%. More interestingly, the replacement of surface I atoms with Br is another ways to enhance the optical absorption spectrum of the 2D (C6H5CH2NH3)2PbI4 perovskite structure. The optical absorption peak blue-shifts to the high energy region, which has higher solar energy flux density than the low energy region. The good stability, tuneable band gap and excellent theoretical photoelectric conversion efficiency of the 2D (C6H5CH2NH3)2PbI4 perovskite structure make it a promising candidate for novel 2D hybrid perovskite based photoelectronic devices and solar cells.
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Affiliation(s)
- Wen-Hui Zhao
- College of Physics and Electronics Engineering, Hengyang Normal University, Hengyang 421002, China.
| | - Zheng Liang
- College of Physics and Electronics Engineering, Hengyang Normal University, Hengyang 421002, China.
| | - Yao-Zhong Liu
- College of Physics and Electronics Engineering, Hengyang Normal University, Hengyang 421002, China.
| | - Zi-Qiang Deng
- College of Physics and Electronics Engineering, Hengyang Normal University, Hengyang 421002, China.
| | - Yu-Lou Ouyang
- College of Physics and Electronics Engineering, Hengyang Normal University, Hengyang 421002, China.
| | - Rui Tan
- College of Physics and Electronics Engineering, Hengyang Normal University, Hengyang 421002, China.
| | - Yong-Sheng Yao
- College of Physics and Electronics Engineering, Hengyang Normal University, Hengyang 421002, China.
| | - Xiao-Lin Wei
- College of Physics and Electronics Engineering, Hengyang Normal University, Hengyang 421002, China.
| | - Zhen-Kun Tang
- College of Physics and Electronics Engineering, Hengyang Normal University, Hengyang 421002, China.
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4
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Ratté J, Macintosh MF, DiLoreto L, Liu J, Mihalyi-Koch W, Hautzinger MP, Guzei IA, Dong Z, Jin S, Song Y. Spacer-Dependent and Pressure-Tuned Structures and Optoelectronic Properties of 2D Hybrid Halide Perovskites. J Phys Chem Lett 2023; 14:403-412. [PMID: 36622300 DOI: 10.1021/acs.jpclett.2c03555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Compared with their 3D counterparts, 2D hybrid organic-inorganic halide perovskites (HOIPs) exhibit enhanced chemical stabilities and superior optoelectronic properties, which can be further tuned by the application of external pressure. Here, we report the first high-pressure study on CMA2PbI4 (CMA = cylcohexanemethylammonium), a 2D HOIP with a soft organic spacer cation containing a flexible cyclohexyl ring, using UV-visible absorption, photoluminescence (PL) and vibrational spectroscopy, and synchrotron X-ray microdiffraction, all aided with density functional theory (DFT) calculations. Substantial anisotropic compression behavior is observed, as characterized by unprecedented negative linear compressibility along the b axis. Moreover, the pressure dependence of optoelectronic properties is found to be in strong contrast with those of 2D HOIPs with rigid spacer cations. DFT calculations help to understand the compression mechanisms that lead to pressure-induced bandgap narrowing. These findings highlight the important role of soft spacer cations in the pressure-tuned optoelectronic properties and provide guidance to the design of new 2D HOIPs.
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Affiliation(s)
- Jesse Ratté
- Department of Physics and Astronomy, University of Western Ontario, London, ON N6A 3K7, Canada
| | | | - Lauren DiLoreto
- Department of Chemistry, University of Western Ontario, London, ON N6A 5B7, Canada
| | - Jingyan Liu
- Department of Chemistry, University of Western Ontario, London, ON N6A 5B7, Canada
| | - Willa Mihalyi-Koch
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Matthew P Hautzinger
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Ilia A Guzei
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Zhaohui Dong
- Shanghai Synchrotron Radiation Facility (SSRF), Shanghai Institute of Applied Physics, CAS, Shanghai, 201204, PR China
| | - Song Jin
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Yang Song
- Department of Physics and Astronomy, University of Western Ontario, London, ON N6A 3K7, Canada
- Department of Chemistry, University of Western Ontario, London, ON N6A 5B7, Canada
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5
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Covalent organic frameworks with imine proton acceptors for efficient photocatalytic H2 production. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2023.108148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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6
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Wang J, Wang L, Li Y, Fu R, Feng Y, Chang D, Yuan Y, Gao H, Jiang S, Wang F, Guo E, Cheng J, Wang K, Guo H, Zou B. Pressure-Induced Metallization of Lead-Free Halide Double Perovskite (NH 4 ) 2 PtI 6. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2203442. [PMID: 35971181 PMCID: PMC9534948 DOI: 10.1002/advs.202203442] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/14/2022] [Indexed: 06/15/2023]
Abstract
Metallization has recently garnered significant interest due to its ability to greatly facilitate chemical reactions and dramatically change the properties of materials. Materials displaying metallization under low pressure are highly desired for understanding their potential properties. In this work, the effects of the pressure on the structural and electronic properties of lead-free halide double perovskite (NH4 )2 PtI6 are investigated systematically. Remarkably, an unprecedented bandgap narrowing down to the Shockley-Queisser limit is observed at a very low pressure of 0.12 GPa, showing great promise in optoelectronic applications. More interestingly, the metallization of (NH4 )2 PtI6 is initiated at 14.2 GPa, the lowest metallization pressure ever reported in halide perovskites, which is related to the continuous increase in the overlap between the valence and conduction band of I 5p orbital. Its structural evolution upon compression before the metallic transition is also tracked, from cubic Fm-3m to tetragonal P4/mnc and then to monoclinic C2/c phase, which is mainly associated with the rotation and distortions within the [PtI6 ]2- octahedra. These findings represent a significant step toward revealing the structure-property relationships of (NH4 )2 PtI6 , and also prove that high-pressure technique is an efficient tool to design and realize superior optoelectronic materials.
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Affiliation(s)
- Jiaxiang Wang
- Key Laboratory of Material PhysicsMinistry of EducationSchool of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052P. R. China
| | - Lingrui Wang
- Key Laboratory of Material PhysicsMinistry of EducationSchool of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052P. R. China
| | - Yuqiang Li
- Tianjin Key Laboratory of Optoelectronic Detection Technology and SystemsSchool of Electrical and Electronic EngineeringTiangong UniversityTianjin300387P. R. China
| | - Ruijing Fu
- School of Applied Physics and MaterialsWuyi UniversityJiangmen529020P. R. China
| | - Youjia Feng
- Key Laboratory of Material PhysicsMinistry of EducationSchool of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052P. R. China
| | - Duanhua Chang
- Key Laboratory of Material PhysicsMinistry of EducationSchool of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052P. R. China
| | - Yifang Yuan
- Key Laboratory of Material PhysicsMinistry of EducationSchool of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052P. R. China
| | - Han Gao
- Key Laboratory of Material PhysicsMinistry of EducationSchool of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052P. R. China
| | - Sheng Jiang
- Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai201210P. R. China
| | - Fei Wang
- Key Laboratory of Material PhysicsMinistry of EducationSchool of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052P. R. China
| | - Er‐jia Guo
- Beijing National Laboratory for Condensed Matter Physics and Institute of PhysicsChinese Academy of SciencesBeijing100190P. R. China
| | - Jinguang Cheng
- Beijing National Laboratory for Condensed Matter Physics and Institute of PhysicsChinese Academy of SciencesBeijing100190P. R. China
| | - Kai Wang
- State Key Laboratory of Superhard MaterialsCollege of PhysicsJilin UniversityChangchun130012P. R. China
| | - Haizhong Guo
- Key Laboratory of Material PhysicsMinistry of EducationSchool of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052P. R. China
| | - Bo Zou
- State Key Laboratory of Superhard MaterialsCollege of PhysicsJilin UniversityChangchun130012P. R. China
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7
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Zhan X, Jiang X, Lv P, Xu J, Li F, Chen Z, Liu X. Enhanced Structural Stability and Pressure‐Induced Photoconductivity in Two‐Dimensional Hybrid Perovskite (C
6
H
5
CH
2
NH
3
)
2
CuBr
4. Angew Chem Int Ed Engl 2022; 61:e202205491. [DOI: 10.1002/anie.202205491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Xinhui Zhan
- Laboratory of High Pressure Physics and Material Science (HPPMS) School of Physics and Physical Engineering Qufu Normal University Qufu 273165 Shandong China
| | - Xiaomei Jiang
- School of State Key Laboratory of Crystal Materials, and Institute of Crystal Materials Shandong University Jinan 250100 China
| | - Pin Lv
- Laboratory of High Pressure Physics and Material Science (HPPMS) School of Physics and Physical Engineering Qufu Normal University Qufu 273165 Shandong China
| | - Jie Xu
- Laboratory of High Pressure Physics and Material Science (HPPMS) School of Physics and Physical Engineering Qufu Normal University Qufu 273165 Shandong China
| | - Fengjiao Li
- Laboratory of High Pressure Physics and Material Science (HPPMS) School of Physics and Physical Engineering Qufu Normal University Qufu 273165 Shandong China
| | - Zhaolai Chen
- School of State Key Laboratory of Crystal Materials, and Institute of Crystal Materials Shandong University Jinan 250100 China
| | - Xiaobing Liu
- Laboratory of High Pressure Physics and Material Science (HPPMS) School of Physics and Physical Engineering Qufu Normal University Qufu 273165 Shandong China
- Advanced Research Institute of Multidisciplinary Sciences Qufu Normal University Qufu, Shandong Province 273165 China
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8
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Zhan X, Jiang X, Lv P, Xu J, Li F, Chen Z, Liu X. Enhanced Structural Stability and Pressure‐Induced Photoconductivity in Two‐Dimensional Hybrid Perovskite (C
6
H
5
CH
2
NH
3
)
2
CuBr
4. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xinhui Zhan
- Laboratory of High Pressure Physics and Material Science (HPPMS) School of Physics and Physical Engineering Qufu Normal University Qufu 273165 Shandong China
| | - Xiaomei Jiang
- School of State Key Laboratory of Crystal Materials, and Institute of Crystal Materials Shandong University Jinan 250100 China
| | - Pin Lv
- Laboratory of High Pressure Physics and Material Science (HPPMS) School of Physics and Physical Engineering Qufu Normal University Qufu 273165 Shandong China
| | - Jie Xu
- Laboratory of High Pressure Physics and Material Science (HPPMS) School of Physics and Physical Engineering Qufu Normal University Qufu 273165 Shandong China
| | - Fengjiao Li
- Laboratory of High Pressure Physics and Material Science (HPPMS) School of Physics and Physical Engineering Qufu Normal University Qufu 273165 Shandong China
| | - Zhaolai Chen
- School of State Key Laboratory of Crystal Materials, and Institute of Crystal Materials Shandong University Jinan 250100 China
| | - Xiaobing Liu
- Laboratory of High Pressure Physics and Material Science (HPPMS) School of Physics and Physical Engineering Qufu Normal University Qufu 273165 Shandong China
- Advanced Research Institute of Multidisciplinary Sciences Qufu Normal University Qufu, Shandong Province 273165 China
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9
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Fu H, Shu H, Xu Z, Tao H, Fu Q, Zhao H, Weng J, Xiong L. Growth, Magnetic, and Optoelectronic Properties of Fe Doped MAPbI
3
Crystals. CRYSTAL RESEARCH AND TECHNOLOGY 2021. [DOI: 10.1002/crat.202100260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Haoran Fu
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials Wuhan Institute of Technology No. 206 Guanggu 1st Road Wuhan 430205 China
- College of Materials Science and Engineering Shandong University of Science and Technology Qingdao 266590 China
| | - Huchen Shu
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials Wuhan Institute of Technology No. 206 Guanggu 1st Road Wuhan 430205 China
- College of Materials Science and Engineering Shandong University of Science and Technology Qingdao 266590 China
| | - Zhiwen Xu
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials Wuhan Institute of Technology No. 206 Guanggu 1st Road Wuhan 430205 China
- College of Materials Science and Engineering Shandong University of Science and Technology Qingdao 266590 China
| | - Hong Tao
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials Wuhan Institute of Technology No. 206 Guanggu 1st Road Wuhan 430205 China
- College of Materials Science and Engineering Shandong University of Science and Technology Qingdao 266590 China
| | - Qiuming Fu
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials Wuhan Institute of Technology No. 206 Guanggu 1st Road Wuhan 430205 China
- College of Materials Science and Engineering Shandong University of Science and Technology Qingdao 266590 China
| | - Hongyang Zhao
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials Wuhan Institute of Technology No. 206 Guanggu 1st Road Wuhan 430205 China
- College of Materials Science and Engineering Shandong University of Science and Technology Qingdao 266590 China
| | - Jun Weng
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials Wuhan Institute of Technology No. 206 Guanggu 1st Road Wuhan 430205 China
- College of Materials Science and Engineering Shandong University of Science and Technology Qingdao 266590 China
| | - Liwei Xiong
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials Wuhan Institute of Technology No. 206 Guanggu 1st Road Wuhan 430205 China
- College of Materials Science and Engineering Shandong University of Science and Technology Qingdao 266590 China
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10
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Sahoo S, Thoguluva R, Ramalingam R, Velaga S, Pandey KK, Chandra S. High-Pressure Structural Phase Transformation of Ferroelectric Bis-benzylammonium Lead Tetrachloride Studied by Raman Spectroscopy and X-ray Diffraction. Inorg Chem 2021; 60:3657-3666. [PMID: 33630574 DOI: 10.1021/acs.inorgchem.0c03174] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Hybrid organic-inorganic 2-D perovskite bis-benzylammonium lead tetrachloride (BALC) is a room-temperature ferroelectric semiconductor. A structural phase transformation from the ambient Cmc21 structure is evident at 1.8 GPa from the Raman spectra, and this is confirmed by our high-pressure X-ray diffraction studies that point to a centrosymmetric structure Cmcm at 1.7 GPa. The ambient phase is recoverable on decompression. Using density functional theory calculations, we have studied the intermolecular and intramolecular vibrations to get an idea of the structural changes as a function of pressure. The high-pressure transition is identified to be due to a distortion in the PbCl6 octahedra and a conformation change in the molecule. There are several discontinuities, broadening, and splitting of the Raman bands, corresponding to NH3 units above 1.8 GPa that point to rearrangements in the hydrogen bond network in the new phase. The ambient structure shows anisotropic compressibility, with a bulk modulus of 14.5 ± 0.33 GPa. As the new phase is a centrosymmetric structure, BALC is expected to lose its ferroelectricity above ∼1.8 GPa.
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Affiliation(s)
- Shradhanjali Sahoo
- Materials Science Group, Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute, Kalpakkam, Tamil Nadu 603102, India
| | - Ravindran Thoguluva
- Materials Science Group, Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute, Kalpakkam, Tamil Nadu 603102, India
| | - Rajaraman Ramalingam
- Materials Science Group, Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute, Kalpakkam, Tamil Nadu 603102, India
| | - Srihari Velaga
- High Pressure and Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Krishan Kumar Pandey
- High Pressure and Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Sharat Chandra
- Materials Science Group, Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute, Kalpakkam, Tamil Nadu 603102, India
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11
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Clune A, Harms N, O'Neal KR, Hughey K, Smith KA, Obeysekera D, Haddock J, Dalal NS, Yang J, Liu Z, Musfeldt JL. Developing the Pressure-Temperature-Magnetic Field Phase Diagram of Multiferroic [(CH 3) 2NH 2]Mn(HCOO) 3. Inorg Chem 2020; 59:10083-10090. [PMID: 32635719 DOI: 10.1021/acs.inorgchem.0c01225] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We combined Raman scattering and magnetic susceptibility to explore the properties of [(CH3)2NH2]Mn(HCOO)3 under compression. Analysis of the formate bending mode reveals a broad two-phase region surrounding the 4.2 GPa critical pressure that becomes increasingly sluggish below the order-disorder transition due to the extensive hydrogen-bonding network. Although the paraelectric and ferroelectric phases have different space groups at ambient-pressure conditions, they both drive toward P1 symmetry under compression. This is a direct consequence of how the order-disorder transition changes under pressure. We bring these findings together with prior magnetization work to create a pressure-temperature-magnetic field phase diagram, unveiling entanglement, competition, and a progression of symmetry-breaking effects that underlie functionality in this molecule-based multiferroic. That the high-pressure P1 phase is a subgroup of the ferroelectric Cc suggests the possibility of enhanced electric polarization as well as opportunity for strain control.
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Affiliation(s)
- Amanda Clune
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Nathan Harms
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Kenneth R O'Neal
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Kendall Hughey
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Kevin A Smith
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Dimuthu Obeysekera
- Department of Physics, Central Michigan University, Mount Pleasant, Michigan 48859, United States.,Department of Physics, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
| | - John Haddock
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States.,National High Magnetic Field Laboratory, Tallahassee, Florida 32310, United States
| | - Naresh S Dalal
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States.,National High Magnetic Field Laboratory, Tallahassee, Florida 32310, United States
| | - Junjie Yang
- Department of Physics, Central Michigan University, Mount Pleasant, Michigan 48859, United States.,Department of Physics, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
| | - Zhenxian Liu
- Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607-7059, United States
| | - Janice L Musfeldt
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States.,Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, United States
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12
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You X, Wang X, Wei Z. A reversible phase transition and dielectric anomaly in a spherical molecule [(3,2,1-dabco)2PbBr6]. INORG CHEM COMMUN 2020. [DOI: 10.1016/j.inoche.2020.107932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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