1
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Wu G, Zhang R, Wang H, Ma K, Xia J, Lv W, Xing G, Chen R. Rational Strategies to Improve the Efficiency of 2D Perovskite Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2405470. [PMID: 39021268 DOI: 10.1002/adma.202405470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 07/08/2024] [Indexed: 07/20/2024]
Abstract
In the quest for durable photovoltaic devices, 2D halide perovskites have emerged as a focus of extensive research. However, the reduced dimension in structure is accompanied by inferior optical-electrical properties, such as widened band gap, enhanced exciton binding energy, and obstructed charge transport. As a result, the efficiency of 2D perovskite solar cells (PSCs) lags significantly behind their 3D counterparts. To overcome these constraints, extensive investigations into materials and processing techniques are pursued rigorously to augment the efficiency of 2D PSCs. Herein, The cutting-edge delve into developments in 2D PSCs, with a focus on chemical and material engineering, as well as their structure and photovoltaic properties. The review starts with an introduction of the crystal structure, followed by the key evaluation criteria of 2D PSCs. Then, the strategies around solution chemical engineering, processing technique, and interface optimization, to simultaneously boost efficiency and stability are systematically discussed. Finally, the challenges and perspectives associated with 2D perovskites to provide insights into potential improvements in photovoltaic performance will be outlined.
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Affiliation(s)
- Guangbao Wu
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Adv. Mater. (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing, 210023, P. R. China
| | - Runqi Zhang
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Adv. Mater. (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing, 210023, P. R. China
| | - He Wang
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Adv. Mater. (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing, 210023, P. R. China
| | - Kangjie Ma
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Adv. Mater. (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing, 210023, P. R. China
| | - Junmin Xia
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Adv. Mater. (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing, 210023, P. R. China
| | - Wenzhen Lv
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Adv. Mater. (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing, 210023, P. R. China
| | - Guichuan Xing
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau, 999078, P. R. China
| | - Runfeng Chen
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Adv. Mater. (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing, 210023, P. R. China
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2
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Zhang X, Einhaus L, Huijser A, ten Elshof JE. Manipulation of Crystal Orientation and Phase Distribution of Quasi-2D Perovskite through Synergistic Effect of Additive Doping and Spacer Engineering. Inorg Chem 2024; 63:5246-5259. [PMID: 38429861 PMCID: PMC10951954 DOI: 10.1021/acs.inorgchem.4c00335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 02/15/2024] [Accepted: 02/21/2024] [Indexed: 03/03/2024]
Abstract
The diammonium precursor 1,4-phenylenedimethanammonium (PDMA) was used as a large organic spacer for the preparation of Dion-Jacobson-type quasi-2D perovskites (PDMA)(MA)n-1PbnI3n+1 (MA = methylammonium). Films with composition ⟨n⟩ = 5 comprised randomly orientated grains and multiple microstructural domains with locally differing n values. However, by mixing the Dion-Jacobson-type spacer PDMA and the Ruddlesden-Popper-type spacer propylammonium (PA), the crystal orientation in both the vertical and the horizonal directions became regulated. High crystallinity owing to well-matched interlayer distances was observed. Combining this spacer-engineering approach with the addition of methylammonium chloride (MACl) led to full vertical alignment of the crystal orientation. Moreover, the microstructural domains at the substrate interface changed from low-n (n = 1, 2, 3) to high-n (n = 4, 5), which may be beneficial for hole extraction at the interface between perovskite and hole transport layer due to a more finely tuned band alignment. Our work sheds light on manipulating the crystallization behavior of quasi-2D perovskite and further paves the way for highly stable and efficient perovskite devices.
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Affiliation(s)
- Xiao Zhang
- Inorganic
Materials Science Group, MESA+ Research Institute, University of Twente, 7500 AE Enschede, The Netherlands
| | - Lisanne Einhaus
- PhotoCatalytic
Synthesis Group, MESA+ Research Institute, University of Twente, 7500
AE Enschede, The
Netherlands
| | - Annemarie Huijser
- PhotoCatalytic
Synthesis Group, MESA+ Research Institute, University of Twente, 7500
AE Enschede, The
Netherlands
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3
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Dong X, Wang R, Gao Y, Ling Q, Hu Z, Chen M, Liu H, Liu Y. Orbital Interactions in 2D Dion-Jacobson Perovskites Using Oligothiophene-Based Semiconductor Spacers Enable Efficient Solar Cells. NANO LETTERS 2024; 24:261-269. [PMID: 38113224 DOI: 10.1021/acs.nanolett.3c03887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
2D Dion-Jacobson (DJ) perovskites have emerged as promising photovoltaic materials, but the insulating organic spacer has hindered the efficient charge transport. Herein, we successfully synthesized a terthiophene-based semiconductor spacer, namely, 3ThDMA, for 2D DJ perovskite. An interesting finding is that the energy levels of 3ThDMA extensively overlap with the inorganic components and directly contribute to the band formation of (3ThDMA)PbI4, leading to enhanced charge transport across the organic spacer layers, whereas no such orbital interactions were found in (UDA)PbI4, a DJ perovskite based on 1,11-undecanediaminum (UDA). The devices based on (3ThDMA)MAn-1PbnI3n+1 (nominal n = 5) obtained a champion efficiency of 15.25%, which is a record efficiency for 2D DJ perovskite solar cells using long-conjugated spacers (conjugated rings ≥ 3) and a 22.60% efficiency for 3ThDMA-treated 3D PSCs. Our findings provide an important insight into understanding the orbital interactions in 2D DJ perovskite using an organic semiconductor spacer for efficient solar cells.
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Affiliation(s)
- Xiyue Dong
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Rui Wang
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yuping Gao
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Qin Ling
- Department of Microelectronic Science and Engineering, Ningbo University, Ningbo 315211, China
| | - Ziyang Hu
- Department of Microelectronic Science and Engineering, Ningbo University, Ningbo 315211, China
| | - Mingqian Chen
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Hang Liu
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yongsheng Liu
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin 300071, China
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4
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Ma W, Zhang Z, Liu Y, Gao H, Mao Y. Highly efficient and stable quasi two-dimensional perovskite solar cells via synergistic effect of dual additives. J Colloid Interface Sci 2023; 646:922-931. [PMID: 37235937 DOI: 10.1016/j.jcis.2023.05.132] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 05/19/2023] [Indexed: 05/28/2023]
Abstract
Recently, quasi two-dimensional (Q-2D) perovskites with alternating cations in the interlayer space (ACI) have attracted more attentions owing to their elevated stability compared with three-dimensional (3D) analogs. While the efficiency of the devices derived from Q-2D perovskites is much smaller than that based on 3D perovskites. Here, we utilized urea and methoxyamine hydrochloride (MOAH) dual additives to acquire high quality Q-2D ACI perovskite GA(MA)5Pb5I16 (GA = guanidinium, MA = methylammonium) films. The efficiency of the perovskite solar cells (PSCs) derived from the Q-2D perovskite films induced by the synergistic effect of urea and MOAH dual additives increases to 20.32% from 17.21% for the devices without additive. This efficiency enhancement could be attributed to the enlarged grain size, improved crystallinity, optimized quantum well thickness distribution, and reduced trap states of the perovskite films. Moreover, the solar cells with dual additives present improved stability. The efficiency of devices with dual additives holds 95% of the original value after storage for 1600 h in ambient air. These results prove that the synergistic effect of urea and MOAH is an effective method to achieve highly efficient and stable Q-2D PSCs.
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Affiliation(s)
- Wenbo Ma
- School of Physics and Electronics, Henan University, Kaifeng 475004, China
| | - Zhenlong Zhang
- School of Physics and Electronics, Henan University, Kaifeng 475004, China.
| | - Yuefeng Liu
- School of Physics and Electronics, Henan University, Kaifeng 475004, China
| | - Huiping Gao
- School of Physics and Electronics, Henan University, Kaifeng 475004, China
| | - Yanli Mao
- School of Physics and Electronics, Henan University, Kaifeng 475004, China; International Joint Research Laboratory of New Energy Materials and Devices of Henan Province, Kaifeng 475004, China.
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5
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Sheikh T, Anilkumar GM, Das T, Rahman A, Chakraborty S, Nag A. Combining π-Conjugation and Cation-π Interaction for Water-Stable and Photoconductive One-Dimensional Hybrid Lead Bromide. J Phys Chem Lett 2023; 14:1870-1876. [PMID: 36779963 DOI: 10.1021/acs.jpclett.2c03861] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Hybrid lead halide perovskites and their derivatives are important optoelectronic materials but suffer from water instability. Combining both the optoelectronics and the water stability of such systems is a major challenge in material design today. To address this issue, we employ the well-known π-conjugation and cation-π interaction concepts in designing a hybrid lead halide perovskite derivative system. (4,4'-VDP)Pb2Br6 (VDP = vinylenedipyridinium) single crystals are prepared. They have a one-dimensional (1D) arrangement of inorganic Pb-Br sublattices connected via the 4,4'-VDP organic sublattice. The π-conjugation in the 4,4'-VDP sublattice allows electronic communication between the 1D Pb-Br units, reducing the band gap and improving the photoconductivity. Importantly, N+ of one 4,4'-VDP molecular ion interacts with the π-electron cloud of the adjacent one. This intermolecular cation-π interaction extends throughout the organic sublattice, making the hybrid crystal stable when stored under water for more than a year without requiring any encapsulations.
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Affiliation(s)
- Tariq Sheikh
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Pune 411008, India
| | - Gokul M Anilkumar
- Department of Physics, Indian Institute of Science Education and Research (IISER), Pune 411008, India
| | - Tisita Das
- Materials Theory for Energy Scavenging (MATES) Lab, Harish-Chandra Research Institute (HRI) Allahabad, HBNI, Chhatnag Road, Jhunsi, Prayagraj (Allahabad) 211019, India
| | - Atikur Rahman
- Department of Physics, Indian Institute of Science Education and Research (IISER), Pune 411008, India
| | - Sudip Chakraborty
- Materials Theory for Energy Scavenging (MATES) Lab, Harish-Chandra Research Institute (HRI) Allahabad, HBNI, Chhatnag Road, Jhunsi, Prayagraj (Allahabad) 211019, India
| | - Angshuman Nag
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Pune 411008, India
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6
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Lu Y, Shen Y, Li YQ, Shen KC, Zhou W, Tang JX. Unveiling the degraded electron durability in reduced-dimensional perovskites. NANOSCALE 2023; 15:2798-2805. [PMID: 36662239 DOI: 10.1039/d2nr06635a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The operational stability of reduced-dimensional metal halide perovskites (RD-MHPs) lags far behind the practical requirements for future high-definition displays. Thereinto, the electron durability of RD-MHPs plays a critical role in stable LEDs during continuous operation, however, it still lacks adequate research and a deep understanding. Herein, the electron durability and deterioration mechanism of phenethylammonium (PEA+)-modified RD-MHPs are systematically conducted through an in situ photoelectron spectroscopy technique by implementing tunable electron-beam radiation to simulate device operation. The formation of detrimental metallic lead (Pb0) caused by the reduction of lead ions (Pb2+) is observed along with the decomposition of PEA+ under electron-beam radiation, thereby changing the photophysical properties of PEA+-doped RD-MHPs. These results provide deep insight into the process of how injected electrons affect the performance of PEA+-doped perovskite LEDs, which may also provide potential guidance for designing robust and effective organic spacers for RD-MHPs.
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Affiliation(s)
- Yu Lu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China.
| | - Yang Shen
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China.
| | - Yan-Qing Li
- School of Physics and Electronic Science, Ministry of Education Nanophotonics and Advanced Instrument Engineering Research Center, East China Normal University, Shanghai 200241, China.
| | - Kong-Chao Shen
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China.
| | - Wei Zhou
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China.
| | - Jian-Xin Tang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China.
- Macao Institute of Materials Science and Engineering (MIMSE), Faculty of Innovation Engineering, Macau University of Science and Technology, Taipa 999078, Macao SAR, China
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7
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Tong G, Chen Y, Xiao X, Tang J, He B, Cao S, Li M, He Y, Chen J. Asymmetric Diammonium Directed In-Plane Charge Transport Enhancement in Two-Dimensional Lead Bromide Perovskite for Weak-Light Detection. ACS APPLIED MATERIALS & INTERFACES 2022; 14:53065-53073. [PMID: 36394964 DOI: 10.1021/acsami.2c15570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Two-dimensional (2D) Dion-Jacobson (DJ) perovskites are drawing significant attention in optoelectronic fields because of their enhanced out-of-plane electron coupling and improved structure stability. However, the structural effects of organic cations on the in-plane charge transport properties of 2D DJ lead bromide perovskites have remained less explored. Herein, we adopt asymmetric 3-(dimethylamino)-1-propylammonium (DMPD) and symmetric butane-1,4-diammonium (BDA) to systematically investigate the influence of organic cations on the structural, optical, and in-plane charge transport properties of 2D lead bromide perovskites. The large penetration depth of DMPD2+ induces a decreased perovskite layer distortion and a lower bandgap in DMPDPbBr4, compared with that of BDAPbBr4. Moreover, DMPDPbBr4 is shown to possess a low exciton binding energy, a low defect density, and a low ion migration activation energy, thereby yielding a more efficient in-plane charge collection efficiency than BDAPbBr4. Density functional theory calculations suggest that the improved in-plane charge transport can be traced to the enlarged antibonding coupling between Pb-6s and Br-4p orbitals that enables a high band dispersion and a low carrier effective mass in the in-plane direction of DMPDPbBr4. Finally, the planar Ag/DMPDPbBr4/Ag photodetector delivers a satisfying detectivity of 1.73 × 1012 Jones under an incident power intensity of 0.16 mW cm-2 and a high on/off ratio of 5.3 × 103. The above findings offer novel insight for the design of 2D DJ lead bromide perovskites for optoelectronic devices.
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Affiliation(s)
- Guoliang Tong
- Ministry-of-Education Key Laboratory of Green Preparation and Application for Functional Materials, and School of Materials Science & Engineering, Hubei University, Wuhan430062, China
| | - Yue Chen
- Ministry-of-Education Key Laboratory of Green Preparation and Application for Functional Materials, and School of Materials Science & Engineering, Hubei University, Wuhan430062, China
| | - Xingfu Xiao
- Ministry-of-Education Key Laboratory of Green Preparation and Application for Functional Materials, and School of Materials Science & Engineering, Hubei University, Wuhan430062, China
| | - Junjie Tang
- Ministry-of-Education Key Laboratory of Green Preparation and Application for Functional Materials, and School of Materials Science & Engineering, Hubei University, Wuhan430062, China
| | - Biqi He
- Ministry-of-Education Key Laboratory of Green Preparation and Application for Functional Materials, and School of Materials Science & Engineering, Hubei University, Wuhan430062, China
| | - Sheng Cao
- Ministry-of-Education Key Laboratory of Green Preparation and Application for Functional Materials, and School of Materials Science & Engineering, Hubei University, Wuhan430062, China
| | - Mingkai Li
- Ministry-of-Education Key Laboratory of Green Preparation and Application for Functional Materials, and School of Materials Science & Engineering, Hubei University, Wuhan430062, China
| | - Yunbin He
- Ministry-of-Education Key Laboratory of Green Preparation and Application for Functional Materials, and School of Materials Science & Engineering, Hubei University, Wuhan430062, China
| | - Junnian Chen
- Ministry-of-Education Key Laboratory of Green Preparation and Application for Functional Materials, and School of Materials Science & Engineering, Hubei University, Wuhan430062, China
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8
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Yao H, Li Z, Peng G, Lei Y, Wang Q, Ci Z, Jin Z. Novel PHA Organic Spacer Increases Interlayer Interactions for High Efficiency in 2D Ruddlesden-Popper CsPbI 3 Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2022; 14:35780-35788. [PMID: 35913123 DOI: 10.1021/acsami.2c09183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The two-dimensional (2D) Ruddlesden-Popper (RP) CsPbI3 with hydrophobic organic spacers can significantly improve the environmental and phase stability of photovoltaic devices by suppressing ion migration and inducing steric hindrance. However, due to the multiple-quantum-well structure, these spacer cations lead to weak interactions in 2D RP CsPbI3, which seriously affect the carrier transport. Here, a novel N-H-group-rich phenylhydrazine spacer, namely, PHA, was developed for 2D RP CsPbI3 perovskite solar cells (PSCs). A series of characterizations confirm that the 2D perovskites using PHA spacers enhanced the N-H···I hydrogen-bonding interaction between the organic spacer cations and the [PbI6]4- inorganic layer and accelerated the crystallization rate of the perovskite film, which was beneficial to the preparation of high-quality films with preferred vertical orientation, large grain size, and dense morphology. Meanwhile, the trap state density of the as-prepared 2D RP perovskite films is significantly reduced to enable efficient charge carrier transport. As a result, the (PHA)2Cs4Pb5I16 PSCs achieved a performance of 16.23% with good environmental stability. This work provides a simple organic spacer selection scheme to realize interaction optimization in 2D RP CsPbI3 to develop efficient and stable PSCs.
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Affiliation(s)
- Huanhuan Yao
- School of Materials and Energy & Schbendzeneool of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Zhizai Li
- School of Materials and Energy & Schbendzeneool of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Guoqiang Peng
- School of Materials and Energy & Schbendzeneool of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Yutian Lei
- School of Materials and Energy & Schbendzeneool of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Qian Wang
- School of Materials and Energy & Schbendzeneool of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Zhipeng Ci
- School of Materials and Energy & Schbendzeneool of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Zhiwen Jin
- School of Materials and Energy & Schbendzeneool of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
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9
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Zhang Y, Yang T, Bobba RS, Baniya A, Niu T, Mabrouk S, Liu S, Qiao Q, Zhao K. Roles of Organic Ligands in Ambient Stability of Layered Halide Perovskites. ACS APPLIED MATERIALS & INTERFACES 2022; 14:33085-33093. [PMID: 35831209 DOI: 10.1021/acsami.2c05348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The combination of organic ligands and inorganic Pb-I frameworks in layered perovskites has bestowed upon them high structural tunability and stability, while their microscopic degradation mechanism remains unclear. Here, we found the key role of ligands in intrinsic structural stability and the consequent morphological evolution in layered perovskites during long-term ambient aging based on (GA)(MA)nPbnI3n+1 (GA = guanidinium, = 4) and (BDA)(MA)n-1PbnI3n+1 (BDA = 1,4-butanediammonium, < n > = 4) perovskites. The BDA-based perovskites have a low intrinsic stability due to high crystal formation energy (ΔH), which are prone to hydration during ambient aging. We overserved changed crystal orientation from perpendicular to parallel, a delayed charge populating time from <1 ps to >50 ps, an inhibited carrier transfer kinetics between quantum wells, an increase of 0.9 μs of charge carrier transport time and a decrease of 1.2 μs of charge carrier lifetime in the BDA-based film during ambient aging, which accounts for a large power-conversion efficiency (PCE) loss (14.2% vs 11.2%). By contrast, the GA ligand increases the intrinsic structural stability of perovskites, which not only yields an initial PCE as high as 20.0% but also helps retain excellent optoelectronic properties during aging. Therefore, only a slight PCE loss (20.0% vs 19.1%) was observed. Our work reveals the key role of organic-inorganic interaction affecting the intrinsic structural stability and optoelectronic properties, and provides a theoretical basis for the future design of stable and efficient optoelectronic devices.
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Affiliation(s)
- Yalan Zhang
- 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 and Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Tinghuan Yang
- 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 and Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Raja Sekhar Bobba
- Department of Mechanical and Aerospace Engineering, Syracuse University, Syracuse, New York 13244, United States
| | - Abiral Baniya
- Department of Mechanical and Aerospace Engineering, Syracuse University, Syracuse, New York 13244, United States
| | - Tianqi Niu
- 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 and Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Sally Mabrouk
- Department of Mechanical and Aerospace Engineering, Syracuse University, Syracuse, New York 13244, United States
| | - Shengzhong 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 and Engineering, Shaanxi Normal University, Xi'an 710119, China
- Dalian National Laboratory for Clean Energy; iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Quinn Qiao
- Department of Mechanical and Aerospace Engineering, Syracuse University, Syracuse, New York 13244, United States
| | - Kui Zhao
- 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 and Engineering, Shaanxi Normal University, Xi'an 710119, China
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10
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Li Z, Zheng X, Xiao X, An Y, Wang Y, Huang Q, Li X, Cheacharoen R, An Q, Rong Y, Wang T, Xu H. Beyond the Phase Segregation: Probing the Irreversible Phase Reconstruction of Mixed-Halide Perovskites. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103948. [PMID: 34923773 PMCID: PMC8844510 DOI: 10.1002/advs.202103948] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 12/02/2021] [Indexed: 05/26/2023]
Abstract
Mixed-halide perovskites can undergo a photoinduced phase segregation. Even though many reports have claimed that such a phase segregation process is reversible, what happens after phase segregation and its impact on the performance of perovskite-based devices are still open questions. Here, the phase transformation of MAPb(I1- x Brx )3 after phase segregation and probe an irreversible phase reconstruction of MAPbBr3 is investigated. The photoluminescence imaging microscopy technique is introduced to in situ record the whole process. It is proposed that the type-I band alignment of segregated I-rich and Br-rich domains can enhance the emission of the I-rich domains by suppressing the nonradiative recombination channels. At the same time, the charge injection from Br-rich to I-rich domains drives the expulsion of iodide from the lattice, and thus triggers the reconstruction of MAPbBr3 . The work highlights the significance of ion movements in mixed-halide perovskites and provides new perspectives to understand the property evolution.
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Affiliation(s)
- Zhe Li
- School of Physics and Technology and Key Laboratory of Artificial Micro‐ and Nanostructures of Ministry of EducationWuhan UniversityWuhan430072China
| | - Xin Zheng
- Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Xuan Xiao
- Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Yongkang An
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhanHubei430070China
| | - Yanbo Wang
- State Key Laboratory of Metal Matrix CompositesShanghai Jiao Tong UniversityShanghai200240China
| | - Qingyi Huang
- Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Xiong Li
- Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Rongrong Cheacharoen
- Metallurgy and Materials Science Research InstituteChulalongkorn UniversityBangkok10330Thailand
| | - Qinyou An
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhanHubei430070China
| | - Yaoguang Rong
- Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Ti Wang
- School of Physics and Technology and Key Laboratory of Artificial Micro‐ and Nanostructures of Ministry of EducationWuhan UniversityWuhan430072China
| | - Hongxing Xu
- School of Physics and Technology and Key Laboratory of Artificial Micro‐ and Nanostructures of Ministry of EducationWuhan UniversityWuhan430072China
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Gong J, Hao M, Zhang Y, Liu M, Zhou Y. Layered 2D Halide Perovskites beyond the Ruddlesden–Popper Phase: Tailored Interlayer Chemistries for High‐Performance Solar Cells. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202112022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Jue Gong
- School of Materials and Energy University of Electronic Science and Technology of China Chengdu 611731 China
| | - Mingwei Hao
- Department of Physics Hong Kong Baptist University Kowloon, Hong Kong SAR China
| | - Yalan Zhang
- Department of Physics Hong Kong Baptist University Kowloon, Hong Kong SAR China
| | - Mingzhen Liu
- School of Materials and Energy University of Electronic Science and Technology of China Chengdu 611731 China
| | - Yuanyuan Zhou
- Department of Physics Hong Kong Baptist University Kowloon, Hong Kong SAR China
- Smart Society Lab Hong Kong Baptist University Kowloon, Hong Kong SAR China
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Gong J, Hao M, Zhang Y, Liu M, Zhou Y. Layered 2D Halide Perovskites beyond Ruddlesden-Popper Phase: Tailored Interlayer Chemistries for High-Performance Solar Cells. Angew Chem Int Ed Engl 2021; 61:e202112022. [PMID: 34761495 DOI: 10.1002/anie.202112022] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Indexed: 11/07/2022]
Abstract
Layered halide perovskites (LHPs) with crystallographically 2D structures have gained increasing interest for photovoltaic applications due to their superior chemical stability and intriguing anisotropic properties, as compared to their conventional 3D perovskite counterparts. The mostly studied LHPs are Ruddlesden-Popper (RP) phases, which suffer from a carrier-transport bottleneck due to the van der Waals gap associated with their intrinsic organic interlayer structures. To address this issue, Dion-Jacobson (DJ) and alternating-cation-interlayer (ACI) LHPs have rapidly emerged, which exhibit unique structural and (opto)electronic characteristics that may resemble the 3D counterparts owing to the eliminated or reduced van der Waals gap. Improved photophyiscal properties have been achieved in DJ and ACI LHPs, leading towards better photovoltaic performance. Here we provide a comprehensive discussion on the merits and promise of DJ and ACI LHPs from a chemistry perspective. Then, we review recent progress on synthesis and tailoring of DJ and ACI LHP crystals and thin films, as well as their optoelectronic properties and photovoltaic performance. Finally, we discuss future directions to realize the full potential of DJ and ACI LHPs for high-performance solar cells and beyond.
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Affiliation(s)
- Jue Gong
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Mingwei Hao
- Department of Physics, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
| | - Yalan Zhang
- Department of Physics, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
| | - Mingzhen Liu
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Yuanyuan Zhou
- Department of Physics, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
- Smart Society Lab, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
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