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Gao W, Liu S, Chen Y, Niu K, Lu Z, Li Z, Zeng Z, Xiao Y, Zhai Y, Liu Y, Wang Y. Solid-State Anion Exchange Enabled by Pluggable vdW Assembly for In Situ Halide Manipulation in Perovskite Monocrystalline Film. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2402159. [PMID: 38678535 DOI: 10.1002/smll.202402159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 04/13/2024] [Indexed: 05/01/2024]
Abstract
The fabrication of perovskite single crystal-based optoelectronics with improved performance is largely hindered by limited processing techniques. Particularly, the local halide composition manipulation, which dominates the bandgap and thus the formation of heterostructures and emission of multiple-wavelength light, is realized via prevalent liquid- or gas-phase anion exchange with the utilization of lithography, while the monocrystalline nature is sacrificed due to polycrystalline transition in exchange with massive defects emerging, impeding carrier separation and transportation. Thus, a damage-free and lithography-free solid-state anion exchange strategy, aiming at in situ halide manipulation in perovskite monocrystalline film, is developed. Typically, CsPbCl3 working as medium to deliver halide is van der Waals (vdW) assembled to specific spots of CsPbBr3, followed by the removal of CsPbCl3 after anion exchange, with the halide composition in contact area modulated and monocrystalline nature of CsPbBr3 preserved. CsPbBr3-CsPbBrxCl3-x monocrystalline heterostructure has been achieved without lithography. Device based on the heterostructure shows apparent rectification behavior and improved photo-response rate. Heterostructure arrays can also be constructed with customized medium crystal. Furthermore, the halide composition can be accurately tuned to enable full coverage of visible spectra. The solid-state exchange enriches the toolbox for processing vulnerable perovskite and paves the way for the integration of monocrystalline perovskite optoelectronics.
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Affiliation(s)
- Weiqi Gao
- Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, School of Physics and Electronics, Hunan University, Changsha, 410082, China
| | - Songlong Liu
- Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, School of Physics and Electronics, Hunan University, Changsha, 410082, China
| | - Yang Chen
- Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, School of Physics and Electronics, Hunan University, Changsha, 410082, China
| | - Kaixin Niu
- Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, School of Physics and Electronics, Hunan University, Changsha, 410082, China
| | - Zheyi Lu
- Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, School of Physics and Electronics, Hunan University, Changsha, 410082, China
| | - Zhiwei Li
- Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, School of Physics and Electronics, Hunan University, Changsha, 410082, China
| | - Zhiyao Zeng
- Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Department of Physics, Hunan Normal University, Changsha, 410081, China
| | - Yulong Xiao
- Key Laboratory for Micro-Nano Physics and Technology of Hunan Province, College of Materials Science and Engineering and Hunan Institute of Optoelectronic Integration, Hunan University, Changsha, 410082, P. R. China
| | - Yaxin Zhai
- Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Department of Physics, Hunan Normal University, Changsha, 410081, China
| | - Yuan Liu
- Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, School of Physics and Electronics, Hunan University, Changsha, 410082, China
| | - Yiliu Wang
- Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, School of Physics and Electronics, Hunan University, Changsha, 410082, China
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2
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Muzzillo CP, Ciobanu CV, Moore DT. High-entropy alloy screening for halide perovskites. MATERIALS HORIZONS 2024; 11:3662-3694. [PMID: 38767287 DOI: 10.1039/d4mh00464g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
As the concept of high-entropy alloying (HEA) extends beyond metals, new materials screening methods are needed. Halide perovskites (HP) are a prime case study because greater stability is needed for photovoltaics applications, and there are 322 experimentally observed HP end-members, which leads to more than 1057 potential alloys. We screen HEAHP by first calculating the configurational entropy of 106 equimolar alloys with experimentally observed end-members. To estimate enthalpy at low computational cost, we turn to the delta-lattice parameter approach, a well-known method for predicting III-V alloy miscibility. To generalize the approach for non-cubic crystals, we introduce the parameter of unit cell volume coefficient of variation (UCV), which does a good job of predicting the experimental HP miscibility data. We use plots of entropy stabilization versus UCV to screen promising alloys and identify 102 HEAHP of interest.
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Affiliation(s)
| | | | - David T Moore
- National Renewable Energy Laboratory, Golden, CO, USA.
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3
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Panigrahi A, Mishra L, Dubey P, Dutta S, Mondal S, Sarangi MK. Interplay between photoinduced charge and energy transfer in manganese doped perovskite quantum dots. J Chem Phys 2024; 160:244702. [PMID: 38912633 DOI: 10.1063/5.0205610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 06/04/2024] [Indexed: 06/25/2024] Open
Abstract
A comprehensive study on the photo-excited relaxation dynamics in semiconducting perovskite quantum dots (PQDs) is pivotal in realizing their extensive potential for optoelectronics applications. Among different competing photoinduced relaxation kinetics, energy transfer and charge transfer (CT) in PQDs need special attention, as they often influence the device efficacy, particularly with the donor-acceptor hybrid architecture. In this work, we explore a detailed investigation into photoinduced CT dynamics in mixed halide undoped CsPb(Br/Cl)3 and Mn2+ doped CsPb(Br/Cl)3 PQDs with a quinone molecule, p-benzoquinone (BQ). The energy level alignment of undoped PQDs with BQ allows an efficient CT, whereas Mn2+ doping reduces the CT efficiency, experiencing a competition between energy transfer from host to dopant and CT to BQ. The conductive atomic force microscopy measurements unveil a direct correlation with the spectroscopic studies by showing a significant improvement in the conductance of undoped PQDs in the presence of BQ, while an inappreciable change is observed for doped PQDs. A much-reduced transition voltage and barrier height in the presence of BQ further validate faster CT for undoped PQD than the doped one. Furthermore, Mn2+ doping in PQDs is observed to enhance their stability, showing better air and thermal stability compared to their undoped counterparts. These results reveal that doping strategy can regulate the CT dynamics in these PQDs and increase their stability, which will be beneficial for the development of desired optoelectronic devices with long-term stability.
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Affiliation(s)
- Aradhana Panigrahi
- Department of Physics, Indian Institute of Technology, Patna 801106, India
| | - Leepsa Mishra
- Department of Physics, Indian Institute of Technology, Patna 801106, India
| | - Priyanka Dubey
- Department of Physics, Indian Institute of Technology, Patna 801106, India
| | - Soumi Dutta
- Department of Physics, Indian Institute of Technology, Patna 801106, India
| | - Sankalan Mondal
- Department of Physics, Indian Institute of Technology, Patna 801106, India
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Chen Y, Xiao L, Shi L, Qian P. High-throughput screening of the transport behavior of tetragonal perovskites. Phys Chem Chem Phys 2024; 26:9378-9387. [PMID: 38444372 DOI: 10.1039/d4cp00109e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Halide perovskites have attracted attention due to their low cost and excellent optoelectronic properties. Although their optical properties gained widespread consensus, there was still divergence in understanding carrier transport behavior. In this study, the mobility of tetragonal perovskites was investigated by empirical models, including longitudinal acoustic phonon (LAP) and polar optical phonon (POP) models. The results revealed that the mobility predicted from the LAP model was much higher than that from the POP model. A longitudinal optical phonon (LOP) was considered as the decisive scattering source for charge carriers in perovskites. Furthermore, the mobility was extremely sensitive to z-axis strain, and 8 types of perovskites with high carrier mobility were screened. Using the experimental lattice constants, the predicted mobility of CsSnI3 was μe,z = 1428 and μh,z = 2310 cm2 V-1 s-1, respectively. The tetragonal CsSnI3 has high mobility and moderate bandgaps, suggesting potential applications in high-efficiency solar cells.
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Affiliation(s)
- Yuanyuan Chen
- College of Physical Science and Technology, Bohai University, Jinzhou 121013, P.R. China
| | - Lu Xiao
- College of Physical Science and Technology, Bohai University, Jinzhou 121013, P.R. China
| | - Libin Shi
- College of Physical Science and Technology, Bohai University, Jinzhou 121013, P.R. China
| | - Ping Qian
- Beijing Advanced Innovation Center for Materials Genome Engineering, Department of Physics, University of Science and Technology Beijing, Beijing 100083, P.R. China
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Liu N, Luo H, Wei X, Zeng X, Yang J, Huang Y, Yu P, Wang Y, Zhang D, Pi M, Liu X. Linearly Manipulating Color Emission via Anion Exchange Technology for High Performance Amplified Spontaneous Emission of Perovskites. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2308672. [PMID: 38051274 DOI: 10.1002/adma.202308672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 12/04/2023] [Indexed: 12/07/2023]
Abstract
The most attractive advantages of all-inorganic cesium lead halide perovskites are their optical gain over broad spectral ranges through the visible spectrum, so are well suited to use in tunable lasers or broadband amplifiers. Most reported anion exchange reactions face a challenge to achieve the desired halogen-variable perovskites due to rapid and uncontrollable reactions and difficulty to synthesize directly. In this study, a simple vapor/solid anion exchange strategy is demonstrated for controlling the reaction process and realizing a wide range tuning of band gap and amplified spontaneous emission (ASE) wavelength, which exhibits a temperature-dependent anion exchange rate. By optimizing the reaction temperature at 90 °C, the ASE wavelength can be linearly manipulated by just controlling the reaction time. A clear quantitative relationship between ASE peak position and reaction time is achieved. Compares with the CsPbClBr2 film obtained via the liquid phase anion exchange method, the fabricated perovskite films obtained by vapor/solid anion exchange technology exhibit superior film quality and enhanced ASE performance. This work may have applications in the future using facile and controllable techniques to develop high-quality full-color visible lasers.
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Affiliation(s)
- Nian Liu
- School of Physics and Electronic Engineering, Chongqing Normal University, Chongqing, 401331, China
| | - Haoyue Luo
- School of Physics and Electronic Engineering, Chongqing Normal University, Chongqing, 401331, China
| | - Xiaoyan Wei
- School of Physics and Electronic Engineering, Chongqing Normal University, Chongqing, 401331, China
| | - Xin Zeng
- School of Physics and Electronic Engineering, Chongqing Normal University, Chongqing, 401331, China
| | - Jie Yang
- School of Physics and Electronic Engineering, Chongqing Normal University, Chongqing, 401331, China
| | - Yexiong Huang
- School of Physics and Electronic Engineering, Chongqing Normal University, Chongqing, 401331, China
| | - Peng Yu
- School of Physics and Electronic Engineering, Chongqing Normal University, Chongqing, 401331, China
| | - Yanping Wang
- Chongqing Research Institute, Changchun University of Science and Technology, Chongqing, 401135, China
| | - Dingke Zhang
- School of Physics and Electronic Engineering, Chongqing Normal University, Chongqing, 401331, China
| | - Mingyu Pi
- School of Physics and Electronic Engineering, Chongqing Normal University, Chongqing, 401331, China
| | - Xinfeng Liu
- CAS Key Laboratory of Standardization and Measurement for Nano-technology, National Center for Nanoscience and Technology, Beijing, 100190, China
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Clinckemalie L, Pradhan B, Brande RV, Zhang H, Vandenwijngaerden J, Saha RA, Romolini G, Sun L, Vandenbroucke D, Bonn M, Wang HI, Debroye E. Phase-engineering compact and flexible CsPbBr 3 microcrystal films for robust X-ray detection. JOURNAL OF MATERIALS CHEMISTRY. C 2024; 12:655-663. [PMID: 38188498 PMCID: PMC10766070 DOI: 10.1039/d3tc01903a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 12/08/2023] [Indexed: 01/09/2024]
Abstract
All-inorganic CsPbBr3 perovskites have gained significant attention due to their potential in direct X-ray detection. The fabrication of stable, pinhole-free thick films remains challenging, hindering their integration in durable, large-area high-resolution devices. In this study, we propose a facile strategy using a non-conductive polymer to create a flexible, compact thick film under ambient conditions. Furthermore, we investigate the effect of introducing the 2D CsPb2Br5 phase into CsPbBr3 perovskite crystals on their photophysical properties and charge transport. Upon X-ray exposure, the devices consisting of the dual phase exhibit improved stability and more effective operation at higher voltages. Rietveld refinement shows that, due to the presence of the second phase, local distortions and Pb-vacancies are introduced within the CsPbBr3 lattice. This in turn presumably increases the ion migration energy barrier, resulting in a very low dark current and hence, enhanced stability. This feature might benefit local charge extraction and, ultimately, the X-ray image resolution. These findings also suggest that introducing a second phase in the perovskite structure can be advantageous for efficient photon-to-charge carrier conversion, as applied in medical imaging.
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Affiliation(s)
- Lotte Clinckemalie
- Department of Chemistry, KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
| | - Bapi Pradhan
- Department of Chemistry, KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
| | - Roel Vanden Brande
- Department of Chemistry, KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
| | - Heng Zhang
- Max Planck Institute for Polymer Research 55128 Mainz Germany
| | | | - Rafikul Ali Saha
- cMACS, Department of Microbial and Molecular Systems, KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
| | - Giacomo Romolini
- Department of Chemistry, KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
| | - Li Sun
- Department of Chemistry, KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
| | | | - Mischa Bonn
- Max Planck Institute for Polymer Research 55128 Mainz Germany
| | - Hai I Wang
- Max Planck Institute for Polymer Research 55128 Mainz Germany
| | - Elke Debroye
- Department of Chemistry, KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
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7
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Yadav AN, Min S, Choe H, Park J, Cho J. Halide Ion Mixing across Colloidal 2D Ruddlesden-Popper Perovskites: Implication of Spacer Ligand on Mixing Kinetics. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305546. [PMID: 37702148 DOI: 10.1002/smll.202305546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/17/2023] [Indexed: 09/14/2023]
Abstract
Halide ion exchange seen in metal halide perovskites provide a substantial opportunity to control their halide composition and corresponding optoelectronic properties. Halide ion mixing across colloidal 3D perovskite nanocrystals have been extensively studied while the mixing within colloidal 2D counterparts remain underexplored. In this study, the halide ion exchange kinetics across colloidally stable 2D Ruddlesden-Popper layered bromide (Br) and iodide (I) perovskites using two different spacer ligands such as aromatic phenethylammonium (PEA) versus linear butyammonium (BA) is demonstrated. The halide exchange kinetic rate constant (k), as determined by tracking time-dependent absorbance changes, indicates that Br/I halide mixing in 2D PEA-based perovskites (2.7 × 10-3 min-1 ) occurs at an order of magnitude slower than in 2D BA-based perovskites (3.3 × 10-2 min-1 ). Concentration (≈1 mM to 100 mM) and temperature-dependent (50 to 80 °C) kinetic studies further allow for the determination of activation barrier for halide ion mixing across the 2D layered perovskites with 75.2 ± 4.4 kJ mol-1 (2D PEA) and 57.8 ± 7.8 kJ mol-1 (2D BA), respectively. The activation energy reveals that the type of spacer cations plays a crucial role in controlling the halide ion mobility and halide stability due mainly to the internal ligand chemical interaction within 2D structures.
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Affiliation(s)
- Amar Nath Yadav
- School of Chemistry and Energy, Sungshin Women's University, Seoul, 01133, South Korea
| | - Seonhong Min
- School of Chemistry and Energy, Sungshin Women's University, Seoul, 01133, South Korea
| | - Hyejin Choe
- School of Chemistry and Energy, Sungshin Women's University, Seoul, 01133, South Korea
| | - Jiwoo Park
- School of Chemistry and Energy, Sungshin Women's University, Seoul, 01133, South Korea
| | - Junsang Cho
- School of Chemistry and Energy, Sungshin Women's University, Seoul, 01133, South Korea
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8
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Jocić M, Vukmirović N. Ab-initio calculations of temperature dependent electronic structures of inorganic halide perovskite materials. Phys Chem Chem Phys 2023; 25:29017-29031. [PMID: 37860895 DOI: 10.1039/d3cp02054a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Despite wide interest in halide perovskite materials, it is still challenging to accurately calculate their electronic structure and its temperature dependence. In this work, we present ab-initio calculations of the temperature dependence of the electronic structure of CsPbX3 materials (X = Cl, Br or I) in the cubic form and of the zero temperature electronic structure of the orthorhombic phase of these materials. Phonon-induced temperature dependent band energy renormalization was calculated within the framework of Allen-Heine-Cardona theory, where we exploited the self-consistent procedure to determine both the energy level shifts and their broadenings. The phonon spectrum of the materials was obtained using the self-consistent phonon method since standard density functional perturbation theory calculations in harmonic approximation yield phonon modes with imaginary frequencies due to the fact that the cubic structure is not stable at zero temperature. Our results suggest that low energy phonon modes mostly contribute to phonon-induced band energy renormalization. The calculated values of the band gaps at lowest temperature where the material exhibits a cubic structure are in good agreement with experimental results from the literature. The same is the case for the slope of the temperature dependence of the band gap for the CsPbI3 material where reliable experimental data are available in the literature. We also found that phonon-induced temperature dependence of the band gap is most pronounced for the conduction band minimum and valence band maximum, while other bands exhibit a weaker dependence.
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Affiliation(s)
- Milan Jocić
- Institute of Physics Belgrade, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia.
| | - Nenad Vukmirović
- Institute of Physics Belgrade, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia.
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9
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Mukherjee M, Chatterjee A, Bhunia S, Purkayastha P. Hydrophobic Chain-Induced Conversion of Three-Dimensional Perovskite Nanocrystals to Gold Nanocluster-Grafted Two-Dimensional Platelets for Photoinduced Electron Transfer Substrate Formulation. J Phys Chem Lett 2023; 14:8251-8260. [PMID: 37676104 DOI: 10.1021/acs.jpclett.3c01886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
Considering the augmentation of new generation energy harvesting devices and applications of electron-hole separation therein, conversion of 3D cubic CsPbBr3 perovskite nanocrystals into 2D-platelets through ligand-ligand hydrophobic interactions has been conceived here. Cationic surfactants with various chain length coated the gold nanoclusters (AuNCs) that interact with oleic acid (OA) and oleylamine (OAm) coated 3D CsPbBr3 nanocrystals to disintegrate the crystallinity of the perovskites and reformation of AuNC-grafted 2D-platelets of unusually large size. The planar perovskite-derivatives act as an exciton donor to the embedded AuNCs through photoinduced electron transfer (PET). This process is controlled by the optimum surfactant chain length. Transient absorption spectroscopy shows that the fastest radical growth time (4 ps) was with the 14-carbon containing tail of the surfactant, followed by the 16-carbon (45 ps) and the 12-carbon (290 ps) ones. PET is administered by the energy gaps of the participating candidates that control the transition dynamics. Our findings can be a potential tool to develop metal nanocluster-based hybrid 2D perovskite-derived platelets for optoelectronic applications.
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Affiliation(s)
- Manish Mukherjee
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, West Bengal, India
| | - Arunavo Chatterjee
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, West Bengal, India
| | - Soumyadip Bhunia
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, West Bengal, India
| | - Pradipta Purkayastha
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, West Bengal, India
- Center for Advanced Functional materials, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, West Bengal, India
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10
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Mishra L, Kumar A, Panigrahi A, Dubey P, Dutta S, Parida P, Sarangi MK. Unraveling the Relevance of Electron and Hole Transfer in Lead Halide Perovskite Nanocrystals on Current Conduction. J Phys Chem Lett 2023; 14:7340-7345. [PMID: 37561565 DOI: 10.1021/acs.jpclett.3c01893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
Optimization of perovskite-based optoelectronic performance demands prudent engineering in the device architecture with facile transport of generated charge carriers. Herein, we explore the charge transfer (CT) kinetics in perovskite nanocrystals (PNCs), CsPbBr3, with two redox-active quinones, menadione (MD) and anthraquinone (AQ), and its alteration in halide exchanged CsPbCl3. With a series of spectroscopic and microscopic measurements, we infer that both electron and hole transfer (ET-HT) prevail in CsPbCl3 with quinones, resulting in a faster CT, while ET predominates for CsPbBr3. Furthermore, current-sensing atomic force microscopy measurements demonstrate that the conductance across a metal-PNC-metal nanojunction is improved in the presence of quinones. The contributions of ET and HT to current conduction across PNCs are well supported and validated by theoretical calculations of the density of states. These outcomes convey a new perspective on the relevance of ET and HT in the optimal current conduction and optoelectronic device engineering of perovskites.
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Affiliation(s)
- Leepsa Mishra
- Department of Physics, Indian Institute of Technology Patna, Bihar, India 801106
| | - Ajay Kumar
- Department of Physics, Indian Institute of Technology Patna, Bihar, India 801106
| | - Aradhana Panigrahi
- Department of Physics, Indian Institute of Technology Patna, Bihar, India 801106
| | - Priyanka Dubey
- Department of Physics, Indian Institute of Technology Patna, Bihar, India 801106
| | - Soumi Dutta
- Department of Physics, Indian Institute of Technology Patna, Bihar, India 801106
| | - Prakash Parida
- Department of Physics, Indian Institute of Technology Patna, Bihar, India 801106
| | - Manas Kumar Sarangi
- Department of Physics, Indian Institute of Technology Patna, Bihar, India 801106
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11
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Chen K, Zhang D, Du Q, Hong W, Liang Y, Duan X, Feng S, Lan L, Wang L, Chen J, Ma D. Synergistic Halide- and Ligand-Exchanges of All-Inorganic Perovskite Nanocrystals for Near-Unity and Spectrally Stable Red Emission. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2337. [PMID: 37630921 PMCID: PMC10458086 DOI: 10.3390/nano13162337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/06/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023]
Abstract
All-inorganic perovskite nanocrystals (NCs) of CsPbX3 (X = Cl, Br, I) are promising for displays due to wide color gamut, narrow emission bandwidth, and high photoluminescence quantum yield (PLQY). However, pure red perovskite NCs prepared by mixing halide ions often result in defects and spectral instabilities. We demonstrate a method to prepare stable pure red emission and high-PLQY-mixed-halide perovskite NCs through simultaneous halide-exchange and ligand-exchange. CsPbBr3 NCs with surface organic ligands are first synthesized using the ligand-assisted reprecipitation (LARP) method, and then ZnI2 is introduced for anion exchange to transform CsPbBr3 to CsPbBrxI3-x NCs. ZnI2 not only provides iodine ions but also acts as an inorganic ligand to passivate surface defects and prevent ion migration, suppressing non-radiative losses and halide segregation. The luminescence properties of CsPbBrxI3-x NCs depend on the ZnI2 content. By regulating the ZnI2 exchange process, red CsPbBrxI3-x NCs with organic/inorganic hybrid ligands achieve near-unity PLQY with a stable emission peak at 640 nm. The CsPbBrxI3-x NCs can be combined with green CsPbBr3 NCs to construct white light-emitting diodes with high-color gamut. Our work presents a facile ion exchange strategy for preparing spectrally stable mixed-halide perovskite NCs with high PLQY, approaching the efficiency limit for display or lighting applications.
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Affiliation(s)
- Kaiwang Chen
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China; (K.C.); (D.Z.); (Q.D.); (W.H.); (Y.L.); (X.D.); (S.F.); (L.L.)
| | - Dengliang Zhang
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China; (K.C.); (D.Z.); (Q.D.); (W.H.); (Y.L.); (X.D.); (S.F.); (L.L.)
| | - Qing Du
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China; (K.C.); (D.Z.); (Q.D.); (W.H.); (Y.L.); (X.D.); (S.F.); (L.L.)
| | - Wei Hong
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China; (K.C.); (D.Z.); (Q.D.); (W.H.); (Y.L.); (X.D.); (S.F.); (L.L.)
| | - Yue Liang
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China; (K.C.); (D.Z.); (Q.D.); (W.H.); (Y.L.); (X.D.); (S.F.); (L.L.)
| | - Xingxing Duan
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China; (K.C.); (D.Z.); (Q.D.); (W.H.); (Y.L.); (X.D.); (S.F.); (L.L.)
| | - Shangwei Feng
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China; (K.C.); (D.Z.); (Q.D.); (W.H.); (Y.L.); (X.D.); (S.F.); (L.L.)
| | - Linfeng Lan
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China; (K.C.); (D.Z.); (Q.D.); (W.H.); (Y.L.); (X.D.); (S.F.); (L.L.)
| | - Lei Wang
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China;
| | - Jiangshan Chen
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China; (K.C.); (D.Z.); (Q.D.); (W.H.); (Y.L.); (X.D.); (S.F.); (L.L.)
| | - Dongge Ma
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China; (K.C.); (D.Z.); (Q.D.); (W.H.); (Y.L.); (X.D.); (S.F.); (L.L.)
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12
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Xi J, Jiang J, Duim H, Chen L, You J, Portale G, Liu SF, Tao S, Loi MA. On the Mechanism of Solvents Catalyzed Structural Transformation in Metal Halide Perovskites. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2302896. [PMID: 37306654 DOI: 10.1002/adma.202302896] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/28/2023] [Indexed: 06/13/2023]
Abstract
Metal halide perovskites show the capability of performing structural transformation, allowing the formation of functional heterostructures. Unfortunately, the elusive mechanism governing these transformations limits their technological application. Herein, the mechanism of 2D-3D structural transformation is unraveled as catalyzed by solvents. By combining a spatial-temporal cation interdiffusivity simulation with experimental findings, it is validated that, protic solvents foster the dissociation degree of formadinium iodide (FAI) via dynamic hydrogen bond, then the stronger hydrogen bond of phenylethylamine (PEA) cation with selected solvents compared to dissociated FA cation facilitates 2D-3D transformation from (PEA)2 PbI4 to FAPbI3 . It is discovered that, the energy barrier of PEA out-diffusion and the lateral transition barrier of inorganic slab are diminished. For 2D films the protic solvents catalyze grain centers (GCs) and grain boundaries (GBs) transforme into 3D phases and quasi-2D phases, respectively. While in the solvent-free case, GCs transform into 3D-2D heterostructures along the direction perpendicular to the substrate, and most GBs evolve into 3D phases. Finally, memristor devices fabricated using the transformed films uncover that, GBs composed of 3D phases are more prone to ion migration. This work elucidates the fundamental mechanism of structural transformation in metal halide perovskites, allowing their use to fabricate complex heterostructures.
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Affiliation(s)
- Jun Xi
- Photophysics and OptoElectronics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
| | - Junke Jiang
- Materials Simulation & Modelling, Department of Applied Physics and Center for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
- Center for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Herman Duim
- Photophysics and OptoElectronics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
| | - Lijun Chen
- Photophysics and OptoElectronics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
| | - Jiaxue You
- Department of Materials Science and Engineering, Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon Tong, Hong Kong, China
| | - Giuseppe Portale
- Physical Chemistry of Polymeric and Nanostructured Materials, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
| | - Shengzhong Frank Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science & Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Shuxia Tao
- Materials Simulation & Modelling, Department of Applied Physics and Center for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
- Center for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Maria Antonietta Loi
- Photophysics and OptoElectronics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
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13
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Li J, Han Z, Liu J, Zou Y, Xu X. Compositional gradient engineering and applications in halide perovskites. Chem Commun (Camb) 2023; 59:5156-5173. [PMID: 37042042 DOI: 10.1039/d3cc00967j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Abstract
Organic-inorganic halide perovskites (HPs) have attracted respectable interests as active layers in solar cells, light-emitting diodes, photodetectors, etc. Besides the promising optoelectronic properties and solution-processed preparation, the soft lattice in HPs leads to flexible and versatile compositions and structures, providing an effective platform to regulate the bandgaps and optoelectronic properties. However, conventional solution-processed HPs are homogeneous in composition. Therefore, it often requires the cooperation of multiple devices in order to achieve multi-band detection or emission, which increases the complexity of the detection/emission system. In light of this, the construction of a multi-component compositional gradient in a single active layer has promising prospects. In this review, we summarize the gradient engineering methods for different forms of HPs. The advantages and limitations of these methods are compared. Moreover, the entropy-driven ion diffusion favors compositional homogeneity, thus the stability issue of the gradient is also discussed for long-term applications. Furthermore, applications based on these compositional gradient HPs will also be presented, where the gradient bandgap introduced therein can facilitate carrier extraction, and the multi-components on one device facilitate functional integration. It is expected that this review can provide guidance for the further development of gradient HPs and their applications.
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Affiliation(s)
- Junyu Li
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Zeyao Han
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Jiaxin Liu
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Yousheng Zou
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Xiaobao Xu
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
- Joint International Research Laboratory of Information Display and Visualization, School of Electronic Science and Engineering, Southeast University, Nanjing 210009, China
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14
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Tang J, Tian W, Sun F, Sun Q, Leng J, Zhao S, Jin S. Morphology-Dependent Carrier Accumulation Dynamics in Mixed Halide Perovskite Thin Films Caused by Phase Segregation. J Phys Chem Lett 2023; 14:2800-2806. [PMID: 36907991 DOI: 10.1021/acs.jpclett.3c00332] [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
The phase segregation in mixed halide perovskites is recently found to improve the photoluminescence quantum yield (PLQY) of the perovskites by concentrating the carriers. However, how phase segregation affects the photoinduced carrier dynamics is unclear. Herein, we find that the phase segregation in CH3NH3PbBrxI3-x mixed halide perovskite thin film is morphology-dependent by showing I-rich domains mainly along the grain boundaries. Ultrafast transient absorption (TA) and photoluminescence upconversion (PL-UC) spectroscopy measurements uncover that the carrier accumulation in the low energy I-rich domains includes two carrier transfer pathways. Carrier transfer from the Br-rich domain and the mixed phase to the I-rich domain is realized by consecutive hole (∼0.5 ps) and electron (<12.4 ps) transfer and energy transfer (<12.4 ps), respectively. The finding reveals the carrier funneling dynamic mechanism in phase-segregated halide perovskite films and provides a guideline for the applications of mixed halide perovskites in color-conversion devices or high-efficiency LEDs.
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Affiliation(s)
- Jianbo Tang
- State Key Laboratory of Molecular Reaction Dynamics and the Dynamic Research Center for Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wenming Tian
- State Key Laboratory of Molecular Reaction Dynamics and the Dynamic Research Center for Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Fengke Sun
- State Key Laboratory of Molecular Reaction Dynamics and the Dynamic Research Center for Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qi Sun
- MIIT Key Laboratory of Advanced Display Materials and Devices, Institute of Optoelectronics & Nanomaterials, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Jing Leng
- State Key Laboratory of Molecular Reaction Dynamics and the Dynamic Research Center for Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Shengli Zhao
- State Key Laboratory of Molecular Reaction Dynamics and the Dynamic Research Center for Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Shengye Jin
- State Key Laboratory of Molecular Reaction Dynamics and the Dynamic Research Center for Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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15
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Efficiency Enhancement Strategies for Stable Bismuth-Based Perovskite and Its Bioimaging Applications. Int J Mol Sci 2023; 24:ijms24054711. [PMID: 36902142 PMCID: PMC10002936 DOI: 10.3390/ijms24054711] [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: 01/31/2023] [Revised: 02/21/2023] [Accepted: 02/24/2023] [Indexed: 03/05/2023] Open
Abstract
Lead-free perovskite is one of the ideal solutions for the toxicity and instability of lead halide perovskite quantum dots. As the most ideal lead-free perovskite at present, bismuth-based perovskite quantum dots still have the problem of a low photoluminescence quantum yield, and its biocompatibility also needs to be explored. In this paper, Ce3+ ions were successfully introduced into the Cs3Bi2Cl9 lattice using a modified antisolvent method. The photoluminescence quantum yield of Cs3Bi2Cl9:Ce is up to 22.12%, which is 71% higher than that of undoped Cs3Bi2Cl9. The two quantum dots show high water-soluble stability and good biocompatibility. Under the excitation of a 750 nm femtosecond laser, high-intensity up-conversion fluorescence images of human liver hepatocellular carcinoma cells cultured with the quantum dots were obtained, and the fluorescence of the two quantum dots was observed in the image of the nucleus. The fluorescence intensity of cells cultured with Cs3Bi2Cl9:Ce was 3.20 times of that of the control group and 4.54 times of the control group for the fluorescence intensity of the nucleus, respectively. This paper provides a new strategy to develop the biocompatibility and water stability of perovskite and expands the application of perovskite in the field.
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16
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Zhang L, Qiu H, Shi R, Liu J, Ran G, Zhang W, Sun G, Long R, Fang W. Charge Transport Dynamics of Quasi-Type II Perovskite Janus Nanocrystals in High-Performance Photoconductors. J Phys Chem Lett 2023; 14:1823-1831. [PMID: 36779627 DOI: 10.1021/acs.jpclett.3c00198] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
CsPbBr3-Pb4S3Br2 Janus nanocrystals (NCs) are the only nanomaterial where the epitaxial structure of perovskite and chalcogenide materials has been realized at the nanoscale, but their exciton dynamics mechanism has not yet been thoroughly investigated or applied in photodetection applications. This work reports an attractive device performance of perovskite photoconductors based on epitaxial CsPbBr3-Pb4S3Br2 Janus NCs, as well as the carrier relaxation and transfer mechanism of the heterojunction. By a combination of transient optical absorption and quantum dynamics simulation, it is demonstrated that the photogenerated holes on CsPbBr3 can be successfully extracted by Pb4S3Br2, while the hole transfer proceeds about three times faster than energy loss and remains "hot" for about 300 fs. This feature has favorable effects on long-range charge separation and transport; therefore, the Janus NCs photoconductors exhibit an exceptional responsivity of 34.0 A W-1 and specific detectivity of 1.26 × 1014 Jones.
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Affiliation(s)
- Lin Zhang
- College of Chemistry, Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, Beijing Key Laboratory of Energy Conversion and Storage Materials Institute, Beijing Normal University, Beijing, 100875, China
| | - Hengwei Qiu
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Ran Shi
- College of Chemistry, Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, Beijing Key Laboratory of Energy Conversion and Storage Materials Institute, Beijing Normal University, Beijing, 100875, China
| | - Jinsong Liu
- Department of Physics and Applied Optics Beijing Area Major Laboratory, Center for Advanced Quantum Studies, Beijing Normal University, Beijing, 100875, China
| | - Guangliu Ran
- Department of Physics and Applied Optics Beijing Area Major Laboratory, Center for Advanced Quantum Studies, Beijing Normal University, Beijing, 100875, China
| | - Wenkai Zhang
- Department of Physics and Applied Optics Beijing Area Major Laboratory, Center for Advanced Quantum Studies, Beijing Normal University, Beijing, 100875, China
| | - Genban Sun
- College of Chemistry, Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, Beijing Key Laboratory of Energy Conversion and Storage Materials Institute, Beijing Normal University, Beijing, 100875, China
| | - Run Long
- College of Chemistry, Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, Beijing Key Laboratory of Energy Conversion and Storage Materials Institute, Beijing Normal University, Beijing, 100875, China
| | - Weihai Fang
- College of Chemistry, Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, Beijing Key Laboratory of Energy Conversion and Storage Materials Institute, Beijing Normal University, Beijing, 100875, China
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17
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Chen S, Yin H, Liu P, Wang Y, Zhao H. Stabilization and Performance Enhancement Strategies for Halide Perovskite Photocatalysts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2203836. [PMID: 35900361 DOI: 10.1002/adma.202203836] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 07/15/2022] [Indexed: 06/15/2023]
Abstract
Solar-energy-powered photocatalytic fuel production and chemical synthesis are widely recognized as viable technological solutions for a sustainable energy future. However, the requirement of high-performance photocatalysts is a major bottleneck. Halide perovskites, a category of diversified semiconductor materials with suitable energy-band-enabled high-light-utilization efficiencies, exceptionally long charge-carrier-diffusion-length-facilitated charge transport, and readily tailorable compositional, structural, and morphological properties, have emerged as a new class of photocatalysts for efficient hydrogen evolution, CO2 reduction, and various organic synthesis reactions. Despite the noticeable progress, the development of high-performance halide perovskite photocatalysts (HPPs) is still hindered by several key challenges: the strong ionic nature and high hydrolysis tendency induce instability and an unsatisfactory activity due to the need for a coactive component to realize redox processes. Herein, the recently developed advanced strategies to enhance the stability and photocatalytic activity of HPPs are comprehensively reviewed. The widely applicable stability enhancement strategies are first articulated, and the activity improvement strategies for fuel production and chemical synthesis are then explored. Finally, the challenges and future perspectives associated with the application of HPPs in efficient production of fuels and value-added chemicals are presented, indicating the irreplaceable role of the HPPs in the field of photocatalysis.
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Affiliation(s)
- Shan Chen
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230039, P. R. China
| | - Huajie Yin
- Institute of Solid State Physics, Hefei Institutes of Physical ScienceChinese Academy of Sciences, 230031, Hefei, P. R. China
| | - Porun Liu
- Centre for Catalysis and Clean Energy, Gold Cost Campus, Griffith University, Queensland, 4222, Australia
| | - Yun Wang
- Centre for Catalysis and Clean Energy, Gold Cost Campus, Griffith University, Queensland, 4222, Australia
| | - Huijun Zhao
- Centre for Catalysis and Clean Energy, Gold Cost Campus, Griffith University, Queensland, 4222, Australia
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18
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Divya P, Anagha G, Nharangatt B, Chatanathodi R, Sabrin H, Nourin N, Fausia KH, Padmakumar K, Jose D, Sandeep K. Anion Exchange Reaction of CsPbBr
3
Perovskite Nanocrystals: Affinity of Halide Ion Matters. ChemistrySelect 2022. [DOI: 10.1002/slct.202203868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- P. Divya
- Department of Chemistry Government Victoria College Research Center under University of Calicut Palakkad 678001 India
| | - G. Anagha
- Department of Chemistry Government Victoria College Research Center under University of Calicut Palakkad 678001 India
| | - Bijoy Nharangatt
- Department of Physics National Institute of Technology Calicut, Kerala 673601 India
| | - Raghu Chatanathodi
- Department of Physics National Institute of Technology Calicut, Kerala 673601 India
| | - H. Sabrin
- Department of Chemistry Government Victoria College Research Center under University of Calicut Palakkad 678001 India
| | - N. Nourin
- Department of Chemistry Government Victoria College Research Center under University of Calicut Palakkad 678001 India
| | - K. H. Fausia
- Department of Chemistry Government Victoria College Research Center under University of Calicut Palakkad 678001 India
| | - K. Padmakumar
- Department of Chemistry Government Victoria College Research Center under University of Calicut Palakkad 678001 India
| | - Deepthi Jose
- Department of Chemistry Providence Women's College Calicut 673009 India
| | - K. Sandeep
- Department of Chemistry Government Victoria College Research Center under University of Calicut Palakkad 678001 India
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19
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Cao S, Su Y, Song KK, Qian P, Yan Y, Shi LB. Biaxial strain improving carrier mobility for inorganic perovskite: ab initioBoltzmann transport equation. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2022; 35:055702. [PMID: 36395506 DOI: 10.1088/1361-648x/aca3eb] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 11/17/2022] [Indexed: 06/16/2023]
Abstract
Inorganic halide perovskites have attracted interest due to their high efficiency and low cost. Considering the uncertainty of experimental measurements, it was important to predict the upper limit of carrier mobility. In this study, theab initioBoltzmann transport equation, including all electron-phonon interactions, was used to accurately predict the mobilities of CsPbI3, CsSnI3, CsPbBr3, and CsSnBr3. Using the iterative Boltzmann transport equation (IBTE), the calculated mobility for CsPbI3isµe= 512/µh= 379 cm2 V-1 s-1, and Sn-based perovskite exhibited high hole mobility. The longitudinal optical phonons associated with the stretching between halogen anions and divalent metal cations were revealed to be the dominant scattering source for the carriers. Furthermore, the effect of biaxial strain on mobility was investigated. We observed that biaxial compressive strain could improve the mobility of CsPbI3and CsPbBr3. Surprisingly, under a compressive strain of-2%, the mobilities of CsPbI3using IBTE approach were improved toµe= 1176/µh= 936 cm2 V-1 s-1. It was revealed that the compressive strain could decrease the effective mass of CsPbI3and CsPbBr3.
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Affiliation(s)
- Shuo Cao
- Beijing Advanced Innovation Center for Materials Genome Engineering, Corrosion and Protection Center, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
| | - Ye Su
- Department of Physics, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
| | - Ke-Ke Song
- Department of Physics, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
| | - Ping Qian
- Department of Physics, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
| | - Yu Yan
- Beijing Advanced Innovation Center for Materials Genome Engineering, Corrosion and Protection Center, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
| | - Li-Bin Shi
- College of Physical Science and Technology, Bohai University, Jinzhou 121013, People's Republic of China
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20
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Zhu Z, Zeng S, Chen Q, Yang L, Wei C, Chen B, Yu H, Li H, Zhang J, Huang X. One-step synthesis of epitaxial 3D/2D metal halide perovskite heterostructures. Chem Commun (Camb) 2022; 58:13775-13778. [PMID: 36426914 DOI: 10.1039/d2cc05150h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Facile and scalable synthesis of perovskite heterostructures with well-controlled heterointerfaces remains challenging. Herein, we developed a simple one-step solution method to prepare 3D/2D CsPbBr3/PEA2PbBr4 perovskite heterostructures with a well-defined epitaxial structure in the gram scale. The formation mechanism was detailed by using in situ time-resolved photoluminescence (PL) spectroscopy analysis. In addition, a series of 3D/2D epitaxial heterostructures were also prepared by changing the organic cations or halogen anions. Due to the effective charge separation and transfer, photodetectors based on the type-II 3D/2D CsPbBr3/PEA2PbBr4 heterostructures showed up to 120 times higher photoresponsivities and 50 times higher on/off ratios compared to devices based on single component perovskites.
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Affiliation(s)
- Zhaohua Zhu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China. .,Department of Chemistry, City University of Hong Kong, Hong Kong SAR 999077, P. R. China
| | - Shaoyu Zeng
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
| | - Qian Chen
- Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NWPU), 127 West Youyi Road, Xi'an 710072, P. R. China
| | - Lei Yang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
| | - Cong Wei
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
| | - Bo Chen
- Department of Chemistry, City University of Hong Kong, Hong Kong SAR 999077, P. R. China
| | - Haidong Yu
- Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NWPU), 127 West Youyi Road, Xi'an 710072, P. R. China
| | - Hai Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
| | - Jian Zhang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
| | - Xiao Huang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
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21
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Jin X, Ma K, Gao H. Tunable Luminescence and Enhanced Polar Solvent Resistance of Perovskite Nanocrystals Achieved by Surface-Initiated Photopolymerization. J Am Chem Soc 2022; 144:20411-20420. [DOI: 10.1021/jacs.2c08622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xiuyu Jin
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Kangling Ma
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Haifeng Gao
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
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22
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Sánchez-Alarcón RI, Noguera-Gomez J, Chirvony VS, Pashaei Adl H, Boix PP, Alarcón-Flores G, Martínez-Pastor JP, Abargues R. Spray-driven halide exchange in solid-state CsPbX 3 nanocrystal films. NANOSCALE 2022; 14:13214-13226. [PMID: 36047914 DOI: 10.1039/d2nr03262g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
CsPbI3 perovskite nanocrystals (NCs) are promising building blocks for photovoltaics and optoelectronics. However, they exhibit an essential drawback in the form of phase stability: α-phase, with a ∼1.80 eV bandgap, can easily experience a phase transition to a non-radiative orthorhombic δ-phase in an ambient environment. This leads to the need to carry out the CsPbI3-based device fabrication in an inert atmosphere, which is technologically inconvenient and expensive. One of the most successful approaches proposed to overcome this problem is synthesizing mixed halide CsPbBr3-xIx NCs to improve the stability of the α-phase perovskite structure. However, the formation of high-quality thin films of CsPbBr3-xIx NCs with high PLQY is challenging owing to the degradation of their optical properties after deposition on a substrate. This work presents spray coating to carry out a solid-state anion exchange in CsPbBr3 NCs thin films at ambient conditions with low-demanding reaction conditions. This constitutes a novel open-air and annealing-free technology to manufacture CsPbBr3-xIx NC thin films with high optical quality and record high photoluminescence quantum yields (PLQY) based on spray-driven halide (Br- to I-) anion exchange in a solid-state phase. Besides, tunable emission wavelengths between 520 and 670 nm can be obtained from CsPbBr3-xIx NC films using accurate tuning volumes of HI solution sprayed over the initial surface of CsPbBr3 film to provide the halide exchange. The optical quality of the halide-exchanged PNCs films remains practically identical to that of initial Br-containing layers, with a remarkable PLQY enhancement after anion exchange, from ∼61% for CsPbBr3 thin films emitting at 520 nm to ∼84% for mixed halide CsPbBr3-xIx film emitting at 640 nm. The huge potential of the system is confirmed by demonstrating a low-threshold amplified spontaneous emission.
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Affiliation(s)
- R I Sánchez-Alarcón
- UMDO Instituto de Ciencia de los Materiales-Universidad de Valencia, PO Box 22085, 46071, Valencia, España, Spain.
- Instituto Politécnico Nacional, Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada Unidad Legaría, Legaría #694 Col. Irrigación, Ciudad de México, Mexico, 11500
| | - J Noguera-Gomez
- UMDO Instituto de Ciencia de los Materiales-Universidad de Valencia, PO Box 22085, 46071, Valencia, España, Spain.
| | - V S Chirvony
- UMDO Instituto de Ciencia de los Materiales-Universidad de Valencia, PO Box 22085, 46071, Valencia, España, Spain.
| | - H Pashaei Adl
- UMDO Instituto de Ciencia de los Materiales-Universidad de Valencia, PO Box 22085, 46071, Valencia, España, Spain.
| | - Pablo P Boix
- UMDO Instituto de Ciencia de los Materiales-Universidad de Valencia, PO Box 22085, 46071, Valencia, España, Spain.
| | - G Alarcón-Flores
- Instituto Politécnico Nacional, Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada Unidad Legaría, Legaría #694 Col. Irrigación, Ciudad de México, Mexico, 11500
| | - J P Martínez-Pastor
- UMDO Instituto de Ciencia de los Materiales-Universidad de Valencia, PO Box 22085, 46071, Valencia, España, Spain.
| | - R Abargues
- UMDO Instituto de Ciencia de los Materiales-Universidad de Valencia, PO Box 22085, 46071, Valencia, España, Spain.
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23
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Manjunatha S, Manjunatha H, Vidya Y, Sridhar K, Seenappa L, Chinnappa Reddy B, Santhosh A, Munirathnam R, Damodara Gupta P, Dharmaprakash M. Microwave assisted synthesis, photoluminescence and X-ray/gamma ray absoprtion properties of red CaZrO3:Eu3+ perovskite. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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24
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Kwon HG, Ryu J, Park JG, Park SW, Kwon OP, Hong KH, Kim SW. Fabrication of Colloidal Cesium Metal Halide (CsMX: M = Fe, Co, and Ni) Nanoparticles and Assessment of Their Thermodynamic Stability by DFT Calculations. Inorg Chem 2022; 61:14361-14367. [PMID: 36047720 DOI: 10.1021/acs.inorgchem.2c02155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We synthesized colloidal cesium metal halide CsMX (M = Fe, Co, Ni; X = Cl, Br) nanoparticles (NPs) and assessed their crystal stability by density functional theory (DFT) calculations. We successfully synthesized Cs3FeCl5, Cs3FeBr5, Cs3CoCl5, Cs3CoBr5, CsNiCl3, and CsNiBr3 NPs. CsMX NPs with Fe and Co exhibited Cs3M1X5 and Cs2M1X4 structures depending on the reaction conditions; however, CsNiX NPs exhibited only the CsNiX3 structure. The differences in structural stability by central metal ions were explained using spin-polarized DFT calculations. The analysis revealed tetragonal Cs3M1X5 and orthorhombic Cs2M1X4 structures to have similar thermodynamic stabilities in the case of Fe and Co, whereas the hexagonal CsMX3 structure in the case of Ni was the most stable. Moreover, the calculation results were the same as the experimental results. In particular, cobalt-related Cs3CoBr5 NPs easily developed into Cs2CoCl4 nanorods with an increase in temperature.
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Affiliation(s)
- Hyo-Geun Kwon
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Jehyeon Ryu
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Jong-Goo Park
- Department of Materials Science and Engineering, Hanbat National University, Daejeon 34158, Republic of Korea
| | - Sang Woo Park
- Department of Materials Science and Engineering, Hanbat National University, Daejeon 34158, Republic of Korea
| | - O-Pil Kwon
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Ki-Ha Hong
- Department of Materials Science and Engineering, Hanbat National University, Daejeon 34158, Republic of Korea
| | - Sang-Wook Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
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25
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Otero‐Martínez C, Imran M, Schrenker NJ, Ye J, Ji K, Rao A, Stranks SD, Hoye RLZ, Bals S, Manna L, Pérez‐Juste J, Polavarapu L. Fast A‐Site Cation Cross‐Exchange at Room Temperature: Single‐to Double‐ and Triple‐Cation Halide Perovskite Nanocrystals. Angew Chem Int Ed Engl 2022; 61:e202205617. [PMID: 35748492 PMCID: PMC9540746 DOI: 10.1002/anie.202205617] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Indexed: 11/20/2022]
Abstract
We report here fast A‐site cation cross‐exchange between APbX3 perovskite nanocrystals (NCs) made of different A‐cations (Cs (cesium), FA (formamidinium), and MA (methylammonium)) at room temperature. Surprisingly, the A‐cation cross‐exchange proceeds as fast as the halide (X=Cl, Br, or I) exchange with the help of free A‐oleate complexes present in the freshly prepared colloidal perovskite NC solutions. This enabled the preparation of double (MACs, MAFA, CsFA)‐ and triple (MACsFA)‐cation perovskite NCs with an optical band gap that is finely tunable by their A‐site composition. The optical spectroscopy together with structural analysis using XRD and atomically resolved high‐angle annular dark‐field scanning transmission electron microscopy (HAADF‐STEM) and integrated differential phase contrast (iDPC) STEM indicates the homogeneous distribution of different cations in the mixed perovskite NC lattice. Unlike halide ions, the A‐cations do not phase‐segregate under light illumination.
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Affiliation(s)
- Clara Otero‐Martínez
- Department of Physical Chemistry, CINBIO Universidade de Vigo, Materials Chemistry and Physics Group Campus Universitario As Lagoas, Marcosende 36310 Vigo Spain
- Department of Physical Chemistry, CINBIO Universidade de Vigo Campus Universitario As Lagoas, Marcosende 36310 Vigo Spain
| | - Muhammad Imran
- Nanochemistry Istituto Italiano di Tecnologia Via Morego 30 16163 Genova Italy
| | - Nadine J. Schrenker
- EMAT and Nanolab Center of Excellence University of Antwerp Groenenborgerlaan 171 2020 Antwerp Belgium
| | - Junzhi Ye
- Cavendish Laboratory University of Cambridge 19 JJ Thomson Avenue Cambridge CB3 0HE UK
| | - Kangyu Ji
- Cavendish Laboratory University of Cambridge 19 JJ Thomson Avenue Cambridge CB3 0HE UK
| | - Akshay Rao
- Cavendish Laboratory University of Cambridge 19 JJ Thomson Avenue Cambridge CB3 0HE UK
| | - Samuel D. Stranks
- Cavendish Laboratory University of Cambridge 19 JJ Thomson Avenue Cambridge CB3 0HE UK
- Department of Chemical Engineering and Biotechnology University of Cambridge Cambridge CB3 0AS UK
| | - Robert L. Z. Hoye
- Department of Materials Imperial College London Exhibition Road London SW7 2AZ UK
| | - Sara Bals
- EMAT and Nanolab Center of Excellence University of Antwerp Groenenborgerlaan 171 2020 Antwerp Belgium
| | - Liberato Manna
- Nanochemistry Istituto Italiano di Tecnologia Via Morego 30 16163 Genova Italy
| | - Jorge Pérez‐Juste
- Department of Physical Chemistry, CINBIO Universidade de Vigo Campus Universitario As Lagoas, Marcosende 36310 Vigo Spain
| | - Lakshminarayana Polavarapu
- Department of Physical Chemistry, CINBIO Universidade de Vigo, Materials Chemistry and Physics Group Campus Universitario As Lagoas, Marcosende 36310 Vigo Spain
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26
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Aktary M, Kamruzzaman M, Afrose R. A comparative study of the mechanical stability, electronic, optical and photocatalytic properties of CsPbX 3 (X = Cl, Br, I) by DFT calculations for optoelectronic applications. RSC Adv 2022; 12:23704-23717. [PMID: 36090433 PMCID: PMC9390720 DOI: 10.1039/d2ra04591e] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 08/05/2022] [Indexed: 11/21/2022] Open
Abstract
Organic free Cs-based perovskite materials are potential candidates for electronic and optoelectronic applications. A systematic comparative study of the mechanical, electronic, optical, and photocatalytic properties of CsPbX3 (X = Cl, Br, I) was conducted using density functional theory to compare the applicability of these materials in optoelectronic, photocatalytic, and photovoltaic (PV) devices. We calculated structural and elastic properties to determine the better agreement of damage-tolerance and electronic and optical responses for suitable device applications. Optimized lattice parameters and elastic constants showed excellent agreement with the experimental data whereas some properties were found to be much better than other theoretical reports. CsPbBr3 is thermodynamically more stable and more ductile compared to the other two perovskites. The hydrostatic pressure dependent mechanical stability showed that CsPbCl3 and CsPbBr3 sustained stability under low applied pressure, whereas the stability of CsPbI3 was very high. The electronic band gap calculations showed that CsPbCl3, CsPbBr3, and CsPbI3 are suitable for green, orange, and red emissions of optical spectra owing to the proper electronic band gaps. CsPbI3 can be shown as the best photocatalyst for the hydrogen evolution reaction and CsPbBr3 is the most stable photocatalyst due to its nearly balanced oxidation and reduction potentials, but CaPbCl3 is better for O2 production. The density of states and other optical properties have been reported in this study. Thus, our findings would be beneficial for experimental studies and can open a new window for efficient electronic, optoelectronic, and hydrogen production along with the biodegradation of polluted and waste materials.
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Affiliation(s)
- M Aktary
- Department of Physics, Begum Rokeya University, Rangpur Rangpur-5400 Bangladesh (+88) 01516795931
| | - M Kamruzzaman
- Department of Physics, Begum Rokeya University, Rangpur Rangpur-5400 Bangladesh (+88) 01516795931
| | - R Afrose
- Department of Physics, Begum Rokeya University, Rangpur Rangpur-5400 Bangladesh (+88) 01516795931
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27
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Otero-Martínez C, Imran M, Schrenker NJ, Ye J, Ji K, Rao A, Stranks SD, Hoye RLZ, Bals S, Manna L, Pérez-Juste J, Polavarapu L. Fast A‐Site Cation Cross‐exchange at Room Temperature: Single‐to Double‐ and Triple‐Cation Halide Perovskite Nanocrystals. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Clara Otero-Martínez
- University of Vigo - Lagoas Marcosende Campus: Universidade de Vigo Physical Chemistry SPAIN
| | - Muhammad Imran
- IIT: Istituto Italiano di Tecnologia Nanochemistry ITALY
| | | | - Junzhi Ye
- University of Cambridge Cavendish Laboratory UNITED KINGDOM
| | - Kangyu Ji
- University of Cambridge Cavendish Laboratory UNITED KINGDOM
| | - Akshay Rao
- University of Cambridge Cavendish Laboratory UNITED KINGDOM
| | | | | | - Sara Bals
- University of Antwerp - City campus: Universiteit Antwerpen EMAT BELGIUM
| | - Liberato Manna
- IIT: Istituto Italiano di Tecnologia Nanochemistry ITALY
| | - Jorge Pérez-Juste
- University of Vigo - Lagoas Marcosende Campus: Universidade de Vigo Physical Chemistry SPAIN
| | - Lakshminarayana Polavarapu
- University of Vigo - Lagoas Marcosende Campus: Universidade de Vigo Department of Physics Lagoas-Marcosende 36310 Vigo SPAIN
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28
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Mishra L, Behera RK, Panigrahi A, Sarangi MK. Förster Resonance Energy Transfer Assisted Enhancement in Optoelectronic Properties of Metal Halide Perovskite Nanocrystals. J Phys Chem Lett 2022; 13:4357-4364. [PMID: 35543548 DOI: 10.1021/acs.jpclett.2c00764] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Regulated excited state energy and charge transfer play a pivotal role in nanoscale semiconductor device performance for efficient energy harvesting and optoelectronic applications. Herein, we report the influence of Förster resonance energy transfer (FRET) on the excited-state dynamics and charge transport properties of metal halide perovskite nanocrystals (PNCs), CsPbBr3, and its anion-exchanged counterpart CsPbCl3 with CdSe/ZnS quantum dots (QDs). We report a drop in the FRET efficiency from ∼85% (CsPbBr3) to ∼5% (CsPbCl3) with QDs, inviting significant alteration in their charge transport properties. Using two-probe measurements we report substantial enhancement in the current for the blend structure of PNCs with QDs, originating from the reduced trap sites, compared to that of the pristine PNCs. The FRET-based upshot in the conduction mechanism with features of negative differential resistance and negligible hysteresis for CsPbBr3 PNCs can add new directions to high performance-based photovoltaics and optoelectronics.
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Affiliation(s)
- Leepsa Mishra
- Department of Physics, Indian Institute of Technology Patna, Bihar, India, 801106
| | - Ranjan Kumar Behera
- Department of Physics, Indian Institute of Technology Patna, Bihar, India, 801106
| | - Aradhana Panigrahi
- Department of Physics, Indian Institute of Technology Patna, Bihar, India, 801106
| | - Manas Kumar Sarangi
- Department of Physics, Indian Institute of Technology Patna, Bihar, India, 801106
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29
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Shankar H, Yu WW, Kang Y, Kar P. Significant boost of the stability and PLQYof CsPbBr 3 NCs by Cu-BTC MOF. Sci Rep 2022; 12:7848. [PMID: 35551245 PMCID: PMC9098410 DOI: 10.1038/s41598-022-11874-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 03/04/2022] [Indexed: 11/09/2022] Open
Abstract
Developing stable perovskite nanocrystals (NCs) with enhancing luminescent properties holds great importance for future potential applications in optoelectronics. Here, we engaged perovskite NCs in Cu2+ ion-based metal–organic framework (MOF) Cu-BTC (BTC = 1,3,5-benzene tricarboxylate) by physical mixing of MOF with CsPbBr3 NCs in toluene solution. MOF-protected perovskite NCs achieved high photoluminescence quantum yield 96.51% than pristine state CsPbBr3 NCs (51.66%). Along with the improvement in optical properties, the long-term stability of CsPbBr3 NCs in the solution phase also increases considerably upon loading in Cu-BTC MOF. Moreover, the changes in the luminescent intensity of the samples have been observed for 3 months in the solution. After 1 month, pristine CsPbBr3 NCs lose their emission intensity 68% from the initial, while the MOF-protected CsPbBr3 NCs show only a 10% reduction from the initial. These results indicate that the effective passivation of Cu-BTC MOF inhibits the aggregation of NCs, protecting them from the defective atmosphere. The excellent photoluminescence findings provide a new pathway for future optoelectronic applications.
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Affiliation(s)
- Hari Shankar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247667, India
| | - William W Yu
- Department of Chemistry and Physics, Louisiana State University, Shreveport, LA, 71115, USA
| | - Youngjong Kang
- Department of Chemistry, College of Natural Sciences, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Korea
| | - Prasenjit Kar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247667, India.
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30
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Li J, Xu J, Bao Y, Li J, Wang H, He C, An M, Tang H, Sun Z, Fang Y, Liang S, Yang Y. Anion-Exchange Driven Phase Transition in CsPbI 3 Nanowires for Fabricating Epitaxial Perovskite Heterojunctions. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2109867. [PMID: 35306700 DOI: 10.1002/adma.202109867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Anion-exchange in halide perovskites provides a unique pathway of bandgap engineering for fabricating heterojunctions in low-cost photovoltaics and optoelectronics. However, it remains challenging to achieve robust and sharp perovskite heterojunctions, due to the spontaneous anion interdiffusion across the heterojunction in 3D perovskites. Here, it is shown that the anionic behavior in 1D perovskites is fundamentally different, that the anion exchange can readily drive an indirect-to-direct bandgap phase transition in CsPbI3 nanowires (NWs) and greatly lower the phase transition temperature. In addition, the heterojunction created by phase transition is epitaxial in nature, and its chemical composition can be precisely controlled upon postannealing. Further study of the phase transition dynamics reveals a threshold-dominating anion exchange mechanism in these 1D NWs rather than the gradient-dominating mechanism in 3D systems. The results provide important insights into the ionic behavior in halide perovskites, which is beneficial for applications in solar cells, light-emitting diodes (LEDs), and other semiconductor devices.
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Affiliation(s)
- Jing Li
- School of Microelectronics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
| | - Jiao Xu
- School of Microelectronics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
| | - Yanan Bao
- School of Microelectronics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
| | - Jianliang Li
- School of Microelectronics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
| | - Hengshan Wang
- School of Microelectronics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
| | - Chengyu He
- School of Microelectronics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
| | - Meiqi An
- School of Microelectronics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
| | - Huayi Tang
- School of Microelectronics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
| | - Zhiguang Sun
- School of Physics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
| | - Yurui Fang
- School of Physics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
| | - Shuang Liang
- School of Microelectronics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
| | - Yiming Yang
- School of Microelectronics, Dalian University of Technology, No.2 Linggong Road, Dalian, 116024, China
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31
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Wang P, Chen X, Liu T, Hou CH, Tian Y, Xu X, Chen Z, Ran P, Jiang T, Kuan CH, Yan B, Yao J, Shyue JJ, Qiu J, Yang YM. Seed-Assisted Growth of Methylammonium-Free Perovskite for Efficient Inverted Perovskite Solar Cells. SMALL METHODS 2022; 6:e2200048. [PMID: 35266331 DOI: 10.1002/smtd.202200048] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/21/2022] [Indexed: 06/14/2023]
Abstract
The traditional way to stabilize α-phase formamidinium lead triiodide (FAPbI3 ) perovskite often involves considerable additions of methylammonium (MA) and bromide into the perovskite lattice, leading to an enlarged bandgap and reduced thermal stability. This work shows a seed-assisted growth strategy to induce a bottom-up crystallization of MA-free perovskite, by introducing a small amount of α-CsPbBr3 /DMSO (5%) as seeds into the pristine FAPbI3 system. During the initial crystalization period, the typical hexagonal α-FAPbI3 crystals (containing α-CsPbBr3 seeds) are directly formed even at ambient temperature, as observed by laser scanning confocal microscopy. It indicates that these seeds can promote the formation and stabilization of α-FAPbI3 below the thermodynamic phase-transition temperature. After annealing not beyond 100 °C, CsPbBr3 seeds homogeneously diffused into the entire perovskite layer via an ions exchange process. This work demonstrates an efficiency of 22% with hysteresis-free inverted perovskite solar cells (PSCs), one of the highest performances for MA-free inverted PSCs. Despite absented passivation processes, open-circuit voltage is improved by 100 millivolts compared to the control devices with the same stoichiometry, and long-term operational stability retained 92% under continuous full sun illumination. Going MA-free and low-temperature processes are a new insight for compatibility with tandems or flexible PSCs.
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Affiliation(s)
- Pengjiu Wang
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Xu Chen
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Tianyu Liu
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Cheng-Hung Hou
- Research Center for Applied Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Yue Tian
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Xuehui Xu
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Zeng Chen
- Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zheda Road, Hangzhou, 310027, China
| | - Peng Ran
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Tingming Jiang
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Chun-Hsiao Kuan
- Department of Applied Chemistry and Institute of Molecular Science, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Buyi Yan
- Hangzhou Microquanta Semiconductor Inc., Hangzhou, 311121, China
| | - Jizhong Yao
- Hangzhou Microquanta Semiconductor Inc., Hangzhou, 311121, China
| | - Jing-Jong Shyue
- Research Center for Applied Sciences, Academia Sinica, Taipei, 11529, Taiwan
- Department of Materials Science and Engineering, National Taiwan University, Taipei, 10617, Taiwan
| | - Jianbei Qiu
- Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan, 650000, China
| | - Yang Michael Yang
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027, China
- Intelligent Optics & Photonics Research Center, Jiaxing Institute of Zhejiang University, Jiaxing, 314000, China
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32
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Lu H, Fang WH, Long R. Collective Motion Improves the Stability and Charge Carrier Lifetime of Metal Halide Perovskites: A Phonon-Resolved Nonadiabatic Molecular Dynamics Study. J Phys Chem Lett 2022; 13:3016-3022. [PMID: 35348332 DOI: 10.1021/acs.jpclett.2c00532] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
By implementing a novel algorithm that realizes the constraints of certain normal modes of interest and using nonadiabatic molecular dynamics for the CsPbBr3, we explicitly demonstrate for the first time that the collective motion between the Cs atom and inorganic octahedra facilitates to delay the nonradiative recombination of negative and positive charges. The Cs atoms can instantaneously respond to the motion of Pb and Br atoms during normal molecular dynamics, maintain the perovskite structure, and homogenize the structural distortion caused by thermal fluctuations, thus decreasing nonadiabatic coupling and charge recombination. In contrast, the perovskite becomes unstable because geometry distortion is strongly localized when the normal modes of Cs atoms are constrained, which increases the nonadiabatic coupling and accelerates charge recombination. The study emphasizes the important role of correlated motion on the stability and charge-phonon dynamics in metal halide perovskites.
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Affiliation(s)
- Haoran Lu
- College of Chemistry, Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, Beijing Normal University, Beijing 100875, People's Republic of China
| | - Wei-Hai Fang
- College of Chemistry, Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, Beijing Normal University, Beijing 100875, People's Republic of China
| | - Run Long
- College of Chemistry, Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, Beijing Normal University, Beijing 100875, People's Republic of China
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33
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Kumar M, Pawar V, Jha PK, Jha PA, Singh P. Compositional degradation with Br content in Cesium lead halide CsPbBrxI3-x. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.122893] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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34
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Sadhu AS, Huang YM, Chen LY, Kuo HC, Lin CC. Recent Advances in Colloidal Quantum Dots or Perovskite Quantum Dots as a Luminescent Downshifting Layer Embedded on Solar Cells. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:985. [PMID: 35335798 PMCID: PMC8954604 DOI: 10.3390/nano12060985] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/10/2022] [Accepted: 03/14/2022] [Indexed: 02/01/2023]
Abstract
The solar cell has a poor spectral response in the UV region, which affects its power conversion efficiency (PCE). The utilization of a luminescent downshifting (LDS) layer has been suggested to improve the spectral response of the photovoltaics in the short wavelength region through photoluminescence (PL) conversion and antireflection effects, which then enhance the PCE of the solar cell. Recently, colloidal quantum dots (CQDs) or perovskite quantum dots (PQDs) have been gaining prime importance as an LDS material due to their eminent optical characteristics, such as their wide absorption band, adjustable visible emission, short PL lifetime, and near-unity quantum yields. However, the instability of QDs that occurs under certain air, heat, and moisture conditions limits its commercialization. Thus, in this review, we will focus on the physical and optical characteristics of QDs. Further, we will discuss different synthesis approaches and the stability issues of QDs. Different approaches to improve the stability of QDs will be discussed in detail alongside the recent breakthroughs in QD-based solar cells for various applications and their current challenges. We expect that this review will provide an effective gateway for researchers to fabricate LDS-layer-based solar cells.
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Affiliation(s)
- Annada Sankar Sadhu
- Department of Photonics, Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; (A.S.S.); (Y.-M.H.); (H.-C.K.)
- International Ph.D. Program in Photonics (UST), College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Yu-Ming Huang
- Department of Photonics, Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; (A.S.S.); (Y.-M.H.); (H.-C.K.)
- Institute of Photonic System, National Yang Ming Chiao Tung University, Tainan 71150, Taiwan;
| | - Li-Yin Chen
- Department of Photonics, Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; (A.S.S.); (Y.-M.H.); (H.-C.K.)
| | - Hao-Chung Kuo
- Department of Photonics, Institute of Electro-Optical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; (A.S.S.); (Y.-M.H.); (H.-C.K.)
- Semiconductor Research Center, Hon Hai Research Institute, Taipei 11492, Taiwan
| | - Chien-Chung Lin
- Institute of Photonic System, National Yang Ming Chiao Tung University, Tainan 71150, Taiwan;
- Graduate Institute of Photonics and Optoelectronics, Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan
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35
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Peng H, Sa R, Liu D. The difference on the physical properties between CsPbX3 and Cs2PbX6: A comparative study. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123055] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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36
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Sanchez-Palencia P, García G, Wahnon P, Palacios P. Cation Substitution Effects on the Structural, Electronic and Sun-Light Absorption Features of All-Inorganic Halide Perovskites. Inorg Chem Front 2022. [DOI: 10.1039/d1qi01553b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
All-inorganic perovskites (such as CsPbI3) are emerging as new candidates for photovoltaic applications. Unfortunately, this class of materials present two important weaknesses in their way to commercialization: poor stability and...
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37
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Chaudhary B, Kshetri YK, Kim HS, Lee SW, Kim TH. Current status on synthesis, properties and applications of CsPbX 3(X = Cl, Br, I) perovskite quantum dots/nanocrystals. NANOTECHNOLOGY 2021; 32:502007. [PMID: 34500445 DOI: 10.1088/1361-6528/ac2537] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 09/09/2021] [Indexed: 06/13/2023]
Abstract
The quantum confinement effect and interesting optical properties of cesium lead halide (CsPbX3; X = Cl, Br, I) perovskite quantum dots (QDs) and nanocrystals (NCs) have given a new horizon to lighting and photonic applications. Given the exponential rate at which scientific results on CsPbX3NCs are published in the last few years, it can be expected that the research in CsPbX3NCs will further receive increasing scientific interests in the near future and possibly lead to great commercial opportunities to realize these materials based practical applications. With the rapid progress in the single-photon emitting CsPbX3QDs and NCs, practical applications of the quantum technologies such as single-photon emitting light-emitting diode, quantum lasers, quantum computing might soon be possible. But to reach at cutting edge of stable perovskite QDs/NCs, the study of fundamental insight and theoretical aspects of crystal design is yet insufficient. Even more, it has aroused many unanswered questions related to the stability, optical and electronic properties of the CsPbX3QDs. Aim of the present review is to illustrate didactically a precise study of recent progress in the synthesis, properties and applications of CsPbX3QDs and NCs. Critical issues that currently restrict the applicability of these QDs will be identified and advanced methodologies currently in the developing queue, to overcome the roadblock, will be presented. And finally, the prospects for future directions will be provided.
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Affiliation(s)
- Bina Chaudhary
- Department of Fusion Science and Technology, Sun Moon University, Chungnam, 31460, Republic of Korea
- Research Center for Eco-multifunctional Nano Materials, Sun Moon University, Chungnam, 31460, Republic of Korea
| | - Yuwaraj K Kshetri
- Research Center for Eco-multifunctional Nano Materials, Sun Moon University, Chungnam, 31460, Republic of Korea
| | - Hak-Soo Kim
- Department of Environment and Chemical Engineering, Sun Moon University, Chungnam, 31460, Republic of Korea
| | - Soo Wohn Lee
- Department of Environment and Chemical Engineering, Sun Moon University, Chungnam, 31460, Republic of Korea
| | - Tae-Ho Kim
- Department of Fusion Science and Technology, Sun Moon University, Chungnam, 31460, Republic of Korea
- Research Center for Eco-multifunctional Nano Materials, Sun Moon University, Chungnam, 31460, Republic of Korea
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38
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Xiao YJ, Liu JX, Leng J, Wu BN, Jin S. Accelerated interfacial charge transfer in Br-gradient MAPbI3-xBrx perovskite thin films. CHINESE J CHEM PHYS 2021. [DOI: 10.1063/1674-0068/cjcp2109154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Ye-jun Xiao
- State Key Laboratory of Molecular Reaction Dynamics and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Jun-xue Liu
- State Key Laboratory of Molecular Reaction Dynamics and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Jing Leng
- State Key Laboratory of Molecular Reaction Dynamics and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Bo-ning Wu
- State Key Laboratory of Molecular Reaction Dynamics and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Shengye Jin
- State Key Laboratory of Molecular Reaction Dynamics and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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39
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Effect of PbSO 4-Oleate Coverage on Cesium Lead Halide Perovskite Quantum Dots to Control Halide Exchange Kinetics. NANOMATERIALS 2021; 11:nano11102515. [PMID: 34684955 PMCID: PMC8538890 DOI: 10.3390/nano11102515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/19/2021] [Accepted: 09/20/2021] [Indexed: 11/16/2022]
Abstract
The selective control of halide ion exchange in metal halide perovskite quantum dots (PQDs) plays an important role in determining their band gap and composition. In this study, CsPbX3 (X = Cl−, Br−, and I−) PQDs were self-assembled with PbSO4-oleate to form a peapod-like morphology to selectively control halide ion exchange. Considering the distinct absorption and bright luminescence characteristics of these PQDs, in situ UV-Vis. absorption and fluorescence spectroscopies were employed to monitor the time-dependent band gap and compositional changes of the PQDs. We determined that the halide exchange in the capped PQDs is hindered—unlike the rapid anion exchange in noncapped PQDs—by a reduction in the halide exchange kinetic rate depending on the extent of coverage of the PQDs. Thus, we tracked the halide ion exchange kinetics between CsPbBr3 and CsPbI3 PQDs, depending on the coverage, using in situ UV-Vis. absorption/photoluminescence spectroscopy. We regulated the halide exchange reaction rate by varying the capping reaction temperature of the PQDs. The capping hindered the halide exchange kinetics and increased the activation energy. These results will enable the development of white LEDs, photovoltaic cells, and photocatalysts with alternative structural designs based on the divalent composition of CsPbX3 PQDs.
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40
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Hu W, Si F, Xue H, Tang F, Li W. Electronic and optical properties of the SnO2/CsPbI3 interface: Using first principles calculations. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.12.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Dey A, Ye J, De A, Debroye E, Ha SK, Bladt E, Kshirsagar AS, Wang Z, Yin J, Wang Y, Quan LN, Yan F, Gao M, Li X, Shamsi J, Debnath T, Cao M, Scheel MA, Kumar S, Steele JA, Gerhard M, Chouhan L, Xu K, Wu XG, Li Y, Zhang Y, Dutta A, Han C, Vincon I, Rogach AL, Nag A, Samanta A, Korgel BA, Shih CJ, Gamelin DR, Son DH, Zeng H, Zhong H, Sun H, Demir HV, Scheblykin IG, Mora-Seró I, Stolarczyk JK, Zhang JZ, Feldmann J, Hofkens J, Luther JM, Pérez-Prieto J, Li L, Manna L, Bodnarchuk MI, Kovalenko MV, Roeffaers MBJ, Pradhan N, Mohammed OF, Bakr OM, Yang P, Müller-Buschbaum P, Kamat PV, Bao Q, Zhang Q, Krahne R, Galian RE, Stranks SD, Bals S, Biju V, Tisdale WA, Yan Y, Hoye RLZ, Polavarapu L. State of the Art and Prospects for Halide Perovskite Nanocrystals. ACS NANO 2021; 15:10775-10981. [PMID: 34137264 PMCID: PMC8482768 DOI: 10.1021/acsnano.0c08903] [Citation(s) in RCA: 386] [Impact Index Per Article: 128.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 05/04/2021] [Indexed: 05/10/2023]
Abstract
Metal-halide perovskites have rapidly emerged as one of the most promising materials of the 21st century, with many exciting properties and great potential for a broad range of applications, from photovoltaics to optoelectronics and photocatalysis. The ease with which metal-halide perovskites can be synthesized in the form of brightly luminescent colloidal nanocrystals, as well as their tunable and intriguing optical and electronic properties, has attracted researchers from different disciplines of science and technology. In the last few years, there has been a significant progress in the shape-controlled synthesis of perovskite nanocrystals and understanding of their properties and applications. In this comprehensive review, researchers having expertise in different fields (chemistry, physics, and device engineering) of metal-halide perovskite nanocrystals have joined together to provide a state of the art overview and future prospects of metal-halide perovskite nanocrystal research.
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Grants
- from U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division
- Ministry of Education, Culture, Sports, Science and Technology
- European Research Council under the European Unionâ??s Horizon 2020 research and innovation programme (HYPERION)
- Ministry of Education - Singapore
- FLAG-ERA JTC2019 project PeroGas.
- Deutsche Forschungsgemeinschaft
- Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences of the U.S. Department of Energy
- EPSRC
- iBOF funding
- Agencia Estatal de Investigaci�ón, Ministerio de Ciencia, Innovaci�ón y Universidades
- National Research Foundation Singapore
- National Natural Science Foundation of China
- Croucher Foundation
- US NSF
- Fonds Wetenschappelijk Onderzoek
- National Science Foundation
- Royal Society and Tata Group
- Department of Science and Technology, Ministry of Science and Technology
- Swiss National Science Foundation
- Natural Science Foundation of Shandong Province, China
- Research 12210 Foundation?Flanders
- Japan International Cooperation Agency
- Ministry of Science and Innovation of Spain under Project STABLE
- Generalitat Valenciana via Prometeo Grant Q-Devices
- VetenskapsrÃÂ¥det
- Natural Science Foundation of Jiangsu Province
- KU Leuven
- Knut och Alice Wallenbergs Stiftelse
- Generalitat Valenciana
- Agency for Science, Technology and Research
- Ministerio de EconomÃÂa y Competitividad
- Royal Academy of Engineering
- Hercules Foundation
- China Association for Science and Technology
- U.S. Department of Energy
- Alexander von Humboldt-Stiftung
- Wenner-Gren Foundation
- Welch Foundation
- Vlaamse regering
- European Commission
- Bayerisches Staatsministerium für Wissenschaft, Forschung und Kunst
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Affiliation(s)
- Amrita Dey
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
| | - Junzhi Ye
- Cavendish
Laboratory, University of Cambridge, 19 JJ Thomson Avenue, Cambridge CB3 0HE, United Kingdom
| | - Apurba De
- School of
Chemistry, University of Hyderabad, Hyderabad 500 046, India
| | - Elke Debroye
- Department
of Chemistry, KU Leuven, 3001 Leuven, Belgium
| | - Seung Kyun Ha
- Department
of Chemical Engineering, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Eva Bladt
- EMAT, University
of Antwerp, Groenenborgerlaan
171, 2020 Antwerp, Belgium
- NANOlab Center
of Excellence, University of Antwerp, 2020 Antwerp, Belgium
| | - Anuraj S. Kshirsagar
- Department
of Chemistry, Indian Institute of Science
Education and Research (IISER), Pune 411008, India
| | - Ziyu Wang
- School
of
Science and Technology for Optoelectronic Information ,Yantai University, Yantai, Shandong Province 264005, China
| | - Jun Yin
- Division
of Physical Science and Engineering, King
Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
- CINBIO,
Universidade de Vigo, Materials Chemistry
and Physics group, Departamento de Química Física, Campus Universitario As Lagoas,
Marcosende, 36310 Vigo, Spain
- Advanced
Membranes and Porous Materials Center, King
Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Yue Wang
- MIIT Key
Laboratory of Advanced Display Materials and Devices, Institute of
Optoelectronics & Nanomaterials, College of Materials Science
and Engineering, Nanjing University of Science
and Technology, Nanjing 210094, China
| | - Li Na Quan
- Department
of Chemistry, University of California,
Berkeley, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
| | - Fei Yan
- LUMINOUS!
Center of Excellence for Semiconductor Lighting and Displays, TPI-The
Photonics Institute, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798
| | - Mengyu Gao
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Department
of Materials Science and Engineering, University
of California, Berkeley, California 94720, United States
| | - Xiaoming Li
- MIIT Key
Laboratory of Advanced Display Materials and Devices, Institute of
Optoelectronics & Nanomaterials, College of Materials Science
and Engineering, Nanjing University of Science
and Technology, Nanjing 210094, China
| | - Javad Shamsi
- Cavendish
Laboratory, University of Cambridge, 19 JJ Thomson Avenue, Cambridge CB3 0HE, United Kingdom
| | - Tushar Debnath
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
| | - Muhan Cao
- Institute
of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory
for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| | - Manuel A. Scheel
- Lehrstuhl
für Funktionelle Materialien, Physik Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching, Germany
| | - Sudhir Kumar
- Institute
for Chemical and Bioengineering, Department of Chemistry and Applied
Biosciences, ETH-Zurich, CH-8093 Zürich, Switzerland
| | - Julian A. Steele
- MACS Department
of Microbial and Molecular Systems, KU Leuven, 3001 Leuven, Belgium
| | - Marina Gerhard
- Chemical
Physics and NanoLund Lund University, PO Box 124, 22100 Lund, Sweden
| | - Lata Chouhan
- Graduate
School of Environmental Science and Research Institute for Electronic
Science, Hokkaido University, Sapporo, Hokkaido 001-0020, Japan
| | - Ke Xu
- Department
of Chemistry and Biochemistry, University
of California, Santa Cruz, California 95064, United States
- Multiscale
Crystal Materials Research Center, Shenzhen Institute of Advanced
Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Xian-gang Wu
- Beijing
Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems,
School of Materials Science & Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Haidian
District, Beijing 100081, China
| | - Yanxiu Li
- Department
of Materials Science and Engineering, and Centre for Functional Photonics
(CFP), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong S.A.R.
| | - Yangning Zhang
- McKetta
Department of Chemical Engineering and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712-1062, United States
| | - Anirban Dutta
- School
of Materials Sciences, Indian Association
for the Cultivation of Science, Kolkata 700032, India
| | - Chuang Han
- Department
of Chemistry and Biochemistry, San Diego
State University, San Diego, California 92182, United States
| | - Ilka Vincon
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
| | - Andrey L. Rogach
- Department
of Materials Science and Engineering, and Centre for Functional Photonics
(CFP), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong S.A.R.
| | - Angshuman Nag
- Department
of Chemistry, Indian Institute of Science
Education and Research (IISER), Pune 411008, India
| | - Anunay Samanta
- School of
Chemistry, University of Hyderabad, Hyderabad 500 046, India
| | - Brian A. Korgel
- McKetta
Department of Chemical Engineering and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712-1062, United States
| | - Chih-Jen Shih
- Institute
for Chemical and Bioengineering, Department of Chemistry and Applied
Biosciences, ETH-Zurich, CH-8093 Zürich, Switzerland
| | - Daniel R. Gamelin
- Department
of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Dong Hee Son
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Haibo Zeng
- MIIT Key
Laboratory of Advanced Display Materials and Devices, Institute of
Optoelectronics & Nanomaterials, College of Materials Science
and Engineering, Nanjing University of Science
and Technology, Nanjing 210094, China
| | - Haizheng Zhong
- Beijing
Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems,
School of Materials Science & Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Haidian
District, Beijing 100081, China
| | - Handong Sun
- Division
of Physics and Applied Physics, School of Physical and Mathematical
Sciences, Nanyang Technological University, Singapore 637371
- Centre
for Disruptive Photonic Technologies (CDPT), Nanyang Technological University, Singapore 637371
| | - Hilmi Volkan Demir
- LUMINOUS!
Center of Excellence for Semiconductor Lighting and Displays, TPI-The
Photonics Institute, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798
- Division
of Physics and Applied Physics, School of Physical and Mathematical
Sciences, Nanyang Technological University, Singapore 639798
- Department
of Electrical and Electronics Engineering, Department of Physics,
UNAM-Institute of Materials Science and Nanotechnology, Bilkent University, Ankara 06800, Turkey
| | - Ivan G. Scheblykin
- Chemical
Physics and NanoLund Lund University, PO Box 124, 22100 Lund, Sweden
| | - Iván Mora-Seró
- Institute
of Advanced Materials (INAM), Universitat
Jaume I, 12071 Castelló, Spain
| | - Jacek K. Stolarczyk
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
| | - Jin Z. Zhang
- Department
of Chemistry and Biochemistry, University
of California, Santa Cruz, California 95064, United States
| | - Jochen Feldmann
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
| | - Johan Hofkens
- Department
of Chemistry, KU Leuven, 3001 Leuven, Belgium
- Max Planck
Institute for Polymer Research, Mainz 55128, Germany
| | - Joseph M. Luther
- National
Renewable Energy Laboratory, Golden, Colorado 80401, United States
| | - Julia Pérez-Prieto
- Institute
of Molecular Science, University of Valencia, c/Catedrático José
Beltrán 2, Paterna, Valencia 46980, Spain
| | - Liang Li
- School
of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Liberato Manna
- Nanochemistry
Department, Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy
| | - Maryna I. Bodnarchuk
- Institute
of Inorganic Chemistry and § Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zurich, Vladimir
Prelog Weg 1, CH-8093 Zürich, Switzerland
- Laboratory
for Thin Films and Photovoltaics, Empa−Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Maksym V. Kovalenko
- Institute
of Inorganic Chemistry and § Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zurich, Vladimir
Prelog Weg 1, CH-8093 Zürich, Switzerland
- Laboratory
for Thin Films and Photovoltaics, Empa−Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | | | - Narayan Pradhan
- School
of Materials Sciences, Indian Association
for the Cultivation of Science, Kolkata 700032, India
| | - Omar F. Mohammed
- Advanced
Membranes and Porous Materials Center, King
Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
- KAUST Catalysis
Center, King Abdullah University of Science
and Technology, Thuwal 23955-6900, Kingdom of Saudi
Arabia
| | - Osman M. Bakr
- Division
of Physical Science and Engineering, King
Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
- Advanced
Membranes and Porous Materials Center, King
Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Peidong Yang
- Department
of Chemistry, University of California,
Berkeley, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Department
of Materials Science and Engineering, University
of California, Berkeley, California 94720, United States
- Kavli
Energy NanoScience Institute, Berkeley, California 94720, United States
| | - Peter Müller-Buschbaum
- Lehrstuhl
für Funktionelle Materialien, Physik Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching, Germany
- Heinz Maier-Leibnitz
Zentrum (MLZ), Technische Universität
München, Lichtenbergstr. 1, D-85748 Garching, Germany
| | - Prashant V. Kamat
- Notre Dame
Radiation Laboratory, Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Qiaoliang Bao
- Department
of Materials Science and Engineering and ARC Centre of Excellence
in Future Low-Energy Electronics Technologies (FLEET), Monash University, Clayton, Victoria 3800, Australia
| | - Qiao Zhang
- Institute
of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory
for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| | - Roman Krahne
- Istituto
Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Raquel E. Galian
- School
of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Samuel D. Stranks
- Cavendish
Laboratory, University of Cambridge, 19 JJ Thomson Avenue, Cambridge CB3 0HE, United Kingdom
- Department
of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB3 0AS, United Kingdom
| | - Sara Bals
- EMAT, University
of Antwerp, Groenenborgerlaan
171, 2020 Antwerp, Belgium
- NANOlab Center
of Excellence, University of Antwerp, 2020 Antwerp, Belgium
| | - Vasudevanpillai Biju
- Graduate
School of Environmental Science and Research Institute for Electronic
Science, Hokkaido University, Sapporo, Hokkaido 001-0020, Japan
| | - William A. Tisdale
- Department
of Chemical Engineering, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Yong Yan
- Department
of Chemistry and Biochemistry, San Diego
State University, San Diego, California 92182, United States
| | - Robert L. Z. Hoye
- Department
of Materials, Imperial College London, Exhibition Road, London SW7 2AZ, United Kingdom
| | - Lakshminarayana Polavarapu
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
- CINBIO,
Universidade de Vigo, Materials Chemistry
and Physics group, Departamento de Química Física, Campus Universitario As Lagoas,
Marcosende, 36310 Vigo, Spain
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42
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Gao F, Wu J, Zhao Y, Song T, Deng Z, Wang P, Wang Y, Li H. A general approach to realizing perovskite nanocrystals with insulating metal sulfate shells. NANOSCALE 2021; 13:10329-10334. [PMID: 34047745 DOI: 10.1039/d1nr01671g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The strategy of constructing the core/shell structure is of great importance in emitting semiconductor nanocrystals. However, the coating on soft metal halide perovskite nanocrystals at the single particle level remains a challenge because of the low compatibility between perovskites and common wide-band-gap semiconductors, such as ZnS and CdS. In addition, using these semiconductors as the shell layer requires high reaction temperatures, which often lead to undesirable chemical transformation. Herein we report a general route to passivate the perovskite nanocrystals by insulating metal sulfate shells. The passivating shell is created around the as-synthesized CsPbBr3 perovskite nanocrystals by initiating the reaction between an organic ammonium sulfate and a variety of metal ions in the presence of ligands. This new method allowed for creating insulating metal sulfate shells with controllable thicknesses and without unwanted chemical transformation. Importantly, these novel core/shell-structured nanocrystals show photoluminescence quantum yields near unity, highly suppressed energy transfer in film and suppressed halide exchange in solution.
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Affiliation(s)
- Feng Gao
- Experimental Center of Advanced Materials, School of Materials Science and Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Beijing 100081, China.
| | - Jianghua Wu
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Jiangsu 210093, China
| | - Yilin Zhao
- Experimental Center of Advanced Materials, School of Materials Science and Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Beijing 100081, China.
| | - Tinglu Song
- Experimental Center of Advanced Materials, School of Materials Science and Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Beijing 100081, China.
| | - Zhengtao Deng
- College of Engineering and Applied Sciences, Nanjing University, Jiangsu 210093, China
| | - Peng Wang
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Jiangsu 210093, China
| | - Yonggang Wang
- Center for High Pressure Science and Technology Advanced Re-search, Beijing, 100094, China
| | - Hongbo Li
- Experimental Center of Advanced Materials, School of Materials Science and Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Beijing 100081, China.
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43
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Strain Induced Topological Insulator Phase in CsPbBrxI3−x (x = 0, 1, 2, and 3) Perovskite: A Theoretical Study. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11125353] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
First-principles density functional theory was used to determine the surface band structures of CsPbBrxI3−x (x = 0, 1, 2, and 3) perovskites. The equilibrium lattice constants of CsPbBrxI3−x were obtained from the minimum of the total energy as a function of the iodine concentration. We discovered that the band gaps of CsPbBrxI3−x decreased monotonically under pressure. The phase change from a normal insulator to a topological insulator was found at approximately 2–4 GPa. The Pbp- and Brs-orbitals inverted at the R symmetric point with and without spin–orbit coupling. Nontrivial Z2 topological numbers were obtained, and the surface conduction bands were demonstrated theoretically using a 1 × 1 × 10 supercell. We ascertained that CsPbBr2I has the largest electric polarization 0.025 C/m2 under a compression strain of 10%. We also observed that in the normal insulation phase, the band gap increases with a small displacement of the central Pb atom in the z-direction, but in the topological insulator phase, the band gap decreases with the movement of the Pb atom in the z-direction. Additionally, in the supercell structure, CsPbBrxI3−x is a ferroelectric topological insulator because the Pb atom leaves its own equilibrium position.
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Zhao Y, Dai Y, Wang Q, Dong Y, Song T, Mudryi A, Chen Q, Li Y. Anions‐Exchange‐Induced Efficient Carrier Transport at CsPbBr
x
Cl
3‐x
/TiO
2
Interface for Photocatalytic Activation of C(sp
3
)−H bond in Toluene Oxidation. ChemCatChem 2021. [DOI: 10.1002/cctc.202100223] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yizhou Zhao
- Experimental Center of Advanced Materials, Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 P. R. China
| | - Yi Dai
- Experimental Center of Advanced Materials, Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 P. R. China
| | - Qiuhe Wang
- Experimental Center of Advanced Materials, Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 P. R. China
| | - Yuanyuan Dong
- Experimental Center of Advanced Materials, Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 P. R. China
| | - Tinglu Song
- Experimental Center of Advanced Materials, Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 P. R. China
| | - Alexander Mudryi
- Scientific-Practical Material Research Centre National Academy of Science of Belarus Minsk 220072 Belarus
| | - Qi Chen
- Experimental Center of Advanced Materials, Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 P. R. China
| | - Yujing Li
- Experimental Center of Advanced Materials, Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 P. R. China
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Jiang H, Cui S, Chen Y, Zhong H. Ion exchange for halide perovskite: From nanocrystal to bulk materials. NANO SELECT 2021. [DOI: 10.1002/nano.202100084] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Haotian Jiang
- MIIT Key Laboratory for Low‐Dimensional Quantum Structure and Devices School of Materials Science and Engineering Beijing Institute of Technology Beijing China
| | - Siqi Cui
- MIIT Key Laboratory for Low‐Dimensional Quantum Structure and Devices School of Materials Science and Engineering Beijing Institute of Technology Beijing China
| | - Yu Chen
- MIIT Key Laboratory for Low‐Dimensional Quantum Structure and Devices School of Materials Science and Engineering Beijing Institute of Technology Beijing China
| | - Haizheng Zhong
- MIIT Key Laboratory for Low‐Dimensional Quantum Structure and Devices School of Materials Science and Engineering Beijing Institute of Technology Beijing China
- Beijing Institute of Technology Shenzhen Research Institute Nanshan District Shenzhen China
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46
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Gao LK, Tang YL. Theoretical Study on the Carrier Mobility and Optical Properties of CsPbI 3 by DFT. ACS OMEGA 2021; 6:11545-11555. [PMID: 34056310 PMCID: PMC8153995 DOI: 10.1021/acsomega.1c00734] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 04/06/2021] [Indexed: 06/12/2023]
Abstract
The advantages of organic-inorganic hybrid halide perovskites and related materials, such as high absorption coefficient, appropriate band gap, excellent carrier mobility, and long carrier life, provide the possibility for the preparation of low-cost and high-efficiency solar cell materials. Among the inorganic materials, CsPbI3 is paid more attention to by researchers as CsPbI3 has incomparable advantages. In this paper, based on density functional theory (DFT), we first analyze the crystal structure, electronic properties, and work function of two common bulk structures of CsPbI3 and their slices, and then, we study the carrier mobility, exciton binding energy, and light absorption coefficient. Considering that CsPbI3 contains heavy elements, the spin-orbit coupling (SOC) effect was also considered in the calculation. The highest mobility is that electrons of the cubic structure reach 1399 cm2 V-1 S-1 after considering the SOC effect, which is equal to that of traditional solar cells (such as Si-based, PbSe, and PbTe). The lowest exciton binding energy is 101 meV in the cubic bulk structure, which is beneficial to the separation of photogenerated carriers. In the visible region, the absorption coefficient of the cubic structure is the best among all structures, reaching 105 cm-1. Through the study of mobility, exciton binding energy, and light absorption coefficient, it is found that the cubic bulk structure in all structures of CsPbI3 has the best photoelectric performance. This paper can provide some guidance for the experimental preparation of CsPbI3 as a potential high-efficiency solar cell material.
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Affiliation(s)
- Li-Ke Gao
- College
of Big Data and Information Engineering, Guizhou University, Guiyang 550025, China
| | - Yan-Lin Tang
- College
of Physics, Guizhou University, Guiyang 550025, China
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47
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Peng KH, Yang SH, Wu ZY, Hsu HC. Synthesis of Red Cesium Lead Bromoiodide Nanocrystals Chelating Phenylated Phosphine Ligands with Enhanced Stability. ACS OMEGA 2021; 6:10437-10446. [PMID: 34056196 PMCID: PMC8153746 DOI: 10.1021/acsomega.1c00910] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 03/24/2021] [Indexed: 05/08/2023]
Abstract
Two new phosphine ligands, diphenylmethylphosphine (DPMP) and triphenylphosphine (TPP), were introduced onto cesium lead bromoiodide nanocrystals (CsPbBrI2 NCs) to improve air stability in the ambient atmosphere. Incorporating DPMP or TPP ligands can also enhance film-forming and optoelectronic properties of the CsPbBrI2 NCs. The results reveal that DPMP is a better ligand to stabilize the emission of CsPbBrI2 NCs than TPP after storage for 21 days. The increased carrier lifetime and photoluminescence quantum yield (PLQY) of perovskite NCs are due to the surface passivation by DPMP or TPP ligands, which reduces nonradiative recombination at the trap sites. The DPMP and TPP-treated CsPbBrI2 NCs were successfully utilized as red emitters for fabricating perovskite light-emitting diodes with enhanced performance and prolonged device lifetime relative to the pristine one.
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Affiliation(s)
- Kuan-Hsueh Peng
- Institute
of Lighting and Energy Photonics, National Chiao Tung University, No. 301, Gaofa 3rd Road, Guiren District, Tainan City 71150, Taiwan, ROC
| | - Sheng-Hsiung Yang
- Institute
of Lighting and Energy Photonics, National Chiao Tung University, No. 301, Gaofa 3rd Road, Guiren District, Tainan City 71150, Taiwan, ROC
- . Tel: +886-6-3032121 ext. 57895. Fax: +886-6-3032535
| | - Zong-Yu Wu
- Department
of Photonics, National Cheng Kung University, No. 1, University Road, East District, Tainan City 70101, Taiwan, ROC
| | - Hsu-Cheng Hsu
- Department
of Photonics, National Cheng Kung University, No. 1, University Road, East District, Tainan City 70101, Taiwan, ROC
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48
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DuBose JT, Mathew PS, Cho J, Kuno M, Kamat PV. Modulation of Photoinduced Iodine Expulsion in Mixed Halide Perovskites with Electrochemical Bias. J Phys Chem Lett 2021; 12:2615-2621. [PMID: 33689371 DOI: 10.1021/acs.jpclett.1c00367] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Hole trapping at iodine (I) sites in MAPbBr1.5I1.5 mixed halide perovskites (MHP) is responsible for iodine migration and its eventual expulsion into solution. We have now modulated the photoinduced iodine expulsion in MHP through an externally applied electrochemical bias. At positive potentials, electron extraction at TiO2/MHP interfaces becomes efficient, leading to hole buildup within MHP films. This improved charge separation, in turn, favors iodine migration as evident from the increased apparent rate constant of iodine expulsion (kexpulsion = 0.0030 s-1). Conversely, at negative potentials (-0.3 V vs Ag/AgCl) electron-hole recombination is facilitated within MHP, slowing down iodine expulsion by an order of magnitude (kexpulsion = 0.00018 s-1). The tuning of the EFermi level through external bias modulates electron extraction at the TiO2/MHP interface and indirectly controls the buildup of holes, ultimately inducing iodine migration/expulsion. Suppressing iodine migration in perovskite solar cells is important for attaining greater stability since they operate under internal electrical bias.
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Luo Y, Tan T, Wang S, Pang R, Jiang L, Li D, Feng J, Zhang H, Zhang S, Li C. Multivariant ligands stabilize anionic solvent-oriented α-CsPbX 3 nanocrystals at room temperature. NANOSCALE 2021; 13:4899-4910. [PMID: 33625426 DOI: 10.1039/d0nr08697e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Cubic phase CsPbX3 nanocrystals (NCs) are promising candidates for optoelectronic applications. However, their chemical stability heavily depends on the dynamic ionic surface. In this work, based on the interdependency of the ligands and the reaction solvent, a protocol is developed for high-quality α-CsPbX3 under ambient conditions. Utilizing this method, the size and full width at half maximum of CsPbX3 NCs can be simply tuned via changing the cationic ligands or reaction solvent, such as CH3Cl, CH2Cl2, or toluene. One remarkable result is the synthesis of cubic CsPbI3 NCs, for which large-scale syntheses have not been reported in the literature except for our method, due to significant phase transition at room temperature. Another result is that we have realized ultrasmall sized CsPbCl3 NCs with emission at 385 nm for the first time. Furthermore, the elimination of reaction solvent (such as ODE, DMSO, DMF) in our protocol reduces the purification-induced surface ligand loss and the irreversible phase transition to a nonfluorescent phase. Our CsPbX3 NCs show near-perfect photoluminescence quantum yield (PL QY) and long-term stability in the presence of moisture. Further characterization demonstrates that all the ligands, whether the initial paired X type or the degenerated hybrid L-X type, remain perfectly passivating on the defect sites throughout.
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Affiliation(s)
- Yanqing Luo
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People's Republic of China.
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50
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Idrissi S, Labrim H, Bahmad L, Benyoussef A. DFT and TDDFT studies of the new inorganic perovskite CsPbI3 for solar cell applications. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.138347] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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