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Mai C, Xiong Q, Li X, Chen J, Chen J, Chen C, Xu J, Liu C, Yeh C, Gao P. Thermally Stable
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2h
Symmetric Donor‐π‐Donor Porphyrins as Hole‐Transporting Materials for Perovskite Solar Cells. Angew Chem Int Ed Engl 2022; 61:e202209365. [DOI: 10.1002/anie.202209365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Chi‐Lun Mai
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
- Laboratory of Advanced Functional Materials Xiamen Institute of Rare Earth Materials Haixi Institute Chinese Academy of Sciences Xiamen 361021 P. R. China
- Department of Chemistry National Chung Hsing University Taichung 402 Taiwan
| | - Qiu Xiong
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
- Laboratory of Advanced Functional Materials Xiamen Institute of Rare Earth Materials Haixi Institute Chinese Academy of Sciences Xiamen 361021 P. R. China
| | - Xiong Li
- Michael Grätzel Center for Mesoscopic Solar Cells (MGC) Wuhan Photoelectric National Research Center (WNLO) Huazhong University of Science and Technology Wuhan 430074 Hubei P. R. China
| | - Jiann‐Yeu Chen
- i-Center for Advanced Science and Technology (i-CAST) and Innovation and Development Center of Sustainable Agriculture (IDCSA) National Chung Hsing University Taichung 402 Taiwan
| | - Jung‐Yao Chen
- Department of Photonics National Cheng Kung University Tainan 701 Taiwan
| | - Ching‐Chin Chen
- Department of Chemistry National Chung Hsing University Taichung 402 Taiwan
| | - Jianbin Xu
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
- Laboratory of Advanced Functional Materials Xiamen Institute of Rare Earth Materials Haixi Institute Chinese Academy of Sciences Xiamen 361021 P. R. China
| | - Chunming Liu
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
- Laboratory of Advanced Functional Materials Xiamen Institute of Rare Earth Materials Haixi Institute Chinese Academy of Sciences Xiamen 361021 P. R. China
| | - Chen‐Yu Yeh
- Department of Chemistry National Chung Hsing University Taichung 402 Taiwan
| | - Peng Gao
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
- Laboratory of Advanced Functional Materials Xiamen Institute of Rare Earth Materials Haixi Institute Chinese Academy of Sciences Xiamen 361021 P. R. China
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Mai CL, Xiong Q, Li X, Chen JY, Chen JY, Chen CC, Xu J, Liu C, Yeh CY, Gao P. Thermally Stable D2h Symmetric Donor‐π‐Donor Porphyrins as Hole‐Transporting Materials for Perovskite Solar Cells. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Chi-Lun Mai
- Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter Laboratory of Advanced Functional Materials CHINA
| | - Qiu Xiong
- Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter Laboratory of Advanced Functional Materials No.1300 Jimei Road Jimei District 361021 Xiamen CHINA
| | - Xiong Li
- Huazhong University of Science and Technology Wuhan Photoelectric National Research Center (WNLO) CHINA
| | - Jiann-Yeu Chen
- National Chung Hsing University i-Center for Advanced Science and Technology TAIWAN
| | - Jung-Yao Chen
- National Cheng Kung University i-Center for Advanced Science and Technology TAIWAN
| | - Ching-Chin Chen
- National Chung Hsing University Department of Chemistry TAIWAN
| | - Jianbin Xu
- Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter Laboratory of Advanced Functional Materials CHINA
| | - Chunming Liu
- Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter Laboratory of Advanced Functional Materials CHINA
| | - Chen-Yu Yeh
- National Chung Hsing University Department of Chemistry TAIWAN
| | - Peng Gao
- Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter Xiamen Institute on Research of Rare earth Materials West Yangqiao road 361021 Fuzhou CHINA
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Lao Y, Yang S, Yu W, Guo H, Zou Y, Chen Z, Xiao L. Multifunctional π-Conjugated Additives for Halide Perovskite. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105307. [PMID: 35315240 PMCID: PMC9189639 DOI: 10.1002/advs.202105307] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 02/10/2022] [Indexed: 06/14/2023]
Abstract
Additive is a conventional way to enhance halide perovskite active layer performance in multiaspects. Among them, π-conjugated molecules have significantly special influence on halide perovskite due to the superior electrical conductivity, rigidity property, and good planarity of π-electrons. In particular, π-conjugated additives usually have stronger interaction with halide perovskites. Therefore, they help with higher charge mobility and longer device lifetime compared with alkyl-based molecules. In this review, the detailed effect of conjugated molecules is discussed in the following parts: defect passivation, lattice orientation guidance, crystallization assistance, energy level rearrangement, and stability improvement. Meanwhile, the roles of conjugated ligands played in low-dimensional perovskite devices are summarized. This review gives an in-depth discussion about how conjugated molecules interact with halide perovskites, which may help understand the improved performance mechanism of perovskite device with π-conjugated additives. It is expected that π-conjugated organic additives for halide perovskites can provide unprecedented opportunities for the future improvement of perovskite devices.
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Affiliation(s)
- Yinan Lao
- State Key Laboratory for Mesoscopic Physics and Department of PhysicsPeking UniversityBeijing100871P. R. China
| | - Shuang Yang
- State Key Laboratory for Mesoscopic Physics and Department of PhysicsPeking UniversityBeijing100871P. R. China
| | - Wenjin Yu
- State Key Laboratory for Mesoscopic Physics and Department of PhysicsPeking UniversityBeijing100871P. R. China
| | - Haoqing Guo
- State Key Laboratory for Mesoscopic Physics and Department of PhysicsPeking UniversityBeijing100871P. R. China
| | - Yu Zou
- State Key Laboratory for Mesoscopic Physics and Department of PhysicsPeking UniversityBeijing100871P. R. China
| | - Zhijian Chen
- State Key Laboratory for Mesoscopic Physics and Department of PhysicsPeking UniversityBeijing100871P. R. China
| | - Lixin Xiao
- State Key Laboratory for Mesoscopic Physics and Department of PhysicsPeking UniversityBeijing100871P. R. China
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Wu S, Cao J. Perovskite modifiers with porphyrin/phthalocyanine complexes for efficient photovoltaics. J COORD CHEM 2022. [DOI: 10.1080/00958972.2022.2079410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Shuangtong Wu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, P. R. China
| | - Jing Cao
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, P. R. China
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Pan Z, Zhou Y, Zhang L. Photoelectrochemical Properties, Machine Learning, and Symbolic Regression for Molecularly Engineered Halide Perovskite Materials in Water. ACS APPLIED MATERIALS & INTERFACES 2022; 14:9933-9943. [PMID: 35147024 DOI: 10.1021/acsami.2c00568] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The machine learning techniques are capable of predicting virtual material design space and optimizing material fabrication parameters. In this article, we construct machine learning models to describe the photoelectrochemical properties of molecularly engineered halide perovskite materials based on CH3NH3PbI3 in an aqueous solution and predict a complex multidimensional design space for the halide perovskite materials. The machine learning models are trained and tested based on an experimental photocurrent data set consisting of 360 data points with varying experimental conditions and dye structures. Machine learning algorithms including support vector machine (SVM), random forest, k-nearest neighbors, Rpart, Xgboost, and Kriging algorithms are compared, with the Kriging algorithm achieving the best accuracies (r = 0.99 and R2 = 0.98) and SVM achieving the second best. A total of 50,905 data points representing the complex multidimensional design space are predicted via the machine-learned models to benefit the future perovskite studies. In addition, the symbolic regression based on the genetic algorithms effectively and automatically designs hybrid descriptors that outperform the individual descriptors. This article highlights the machine learning and symbolic regression methods for designing stable and high-performance halide perovskite materials and serves as a platform for further experimental optimization of halide perovskite materials.
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Affiliation(s)
- Zheng Pan
- Institute of Advanced Materials and Flexible Electronics (IAMFE), School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, 219 Ning Liu Road, 210044 Nanjing, China
- School of Physics and Optoelectronic Engineering, Nanjing University of Information Science & Technology, 219 Ning Liu Road, 210044 Nanjing, China
| | - Yinguo Zhou
- Institute of Advanced Materials and Flexible Electronics (IAMFE), School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, 219 Ning Liu Road, 210044 Nanjing, China
- School of Physics and Optoelectronic Engineering, Nanjing University of Information Science & Technology, 219 Ning Liu Road, 210044 Nanjing, China
| | - Lei Zhang
- Institute of Advanced Materials and Flexible Electronics (IAMFE), School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, 219 Ning Liu Road, 210044 Nanjing, China
- School of Physics and Optoelectronic Engineering, Nanjing University of Information Science & Technology, 219 Ning Liu Road, 210044 Nanjing, China
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Su J, Peng J, Zhang L. Metal Halide-Based Adsorption and Substitution at Halide Perovskite Surfaces: Study of CuBr2/CH3NH3PbI3. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2022. [DOI: 10.1134/s0036024422010149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Bond length alternation- and data mining-assisted exploration of molecular adsorbates with π-conjugation and amines for two-dimensional halide perovskite surface. Struct Chem 2022. [DOI: 10.1007/s11224-022-01881-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Gao H, Yu R, Ma Z, Gong Y, Zhao B, Lv Q, Tan Z. Recent advances of organometallic complexes in emerging photovoltaics. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210592] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Huaizhi Gao
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Organic‐Inorganic Composites Beijing University of Chemical Technology Beijing China
| | - Runnan Yu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Organic‐Inorganic Composites Beijing University of Chemical Technology Beijing China
| | - Zongwen Ma
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Organic‐Inorganic Composites Beijing University of Chemical Technology Beijing China
| | - Yongshuai Gong
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Organic‐Inorganic Composites Beijing University of Chemical Technology Beijing China
| | - Biao Zhao
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Organic‐Inorganic Composites Beijing University of Chemical Technology Beijing China
| | - Qianglong Lv
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Organic‐Inorganic Composites Beijing University of Chemical Technology Beijing China
| | - Zhan'ao Tan
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Organic‐Inorganic Composites Beijing University of Chemical Technology Beijing China
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Tan C, Xu W, Huan Y, Wu B, Qin T, Gao D. Increasing Stability of SnO 2-Based Perovskite Solar Cells by Introducing an Anionic Conjugated Polyelectrolyte for Interfacial Adjustment. ACS APPLIED MATERIALS & INTERFACES 2021; 13:24575-24581. [PMID: 34011140 DOI: 10.1021/acsami.1c00410] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Despite the fact that power conversion efficiency (PCE) has been greatly improved in recent years, perovskite solar cells (PSCs) need to overcome some challenges, like stability, for the commercial application. Herein, an anionic conjugated polyelectrolyte, sulfonic-containing polyfluorene (abbreviated to SPF), has been developed to modify the interface between the electron-transporting layer (ETL) SnO2 and the optoelectronic active layer MAPbI3 in the n-i-p cells. After 40 days of storage in atmospheric environment in the dark with exposure to a controlled humidity of about 10%, PCE of the SPF-modified cells with the structure of ITO/SnO2/SPF/MAPbI3/spiro-OMeTAD/Au still remained 94% of the initial value. In contrast, the control cell without SPF only remained 31.1% of its initial efficiency after 29 days. The main reason for the stability enhancement is the adjustment of interfacial energy level, the crystallinity enhancement, and the removal of the interfacial defect of the perovskite layer by introducing the hydrophobic and smooth SPF interfacial layer. Deep electrical study on the PSCs discloses that the cell has low carrier transfer resistance, low leakage current density, and minor interfacial charge accumulation. What's more, the short-circuit current density is improved, and PCE of 20.47% is achieved.
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Affiliation(s)
- Chao Tan
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P.R. China
| | - Wenting Xu
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P.R. China
| | - Yihong Huan
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P.R. China
| | - Bo Wu
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P.R. China
| | - Tianshi Qin
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P.R. China
| | - Deqing Gao
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P.R. China
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Li X, Cao J. Porphyrin/phthalocyanine meatal complexes as modifiers for efficient perovskite solar cells. Sci Bull (Beijing) 2020; 65:1688-1690. [PMID: 36659235 DOI: 10.1016/j.scib.2020.06.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Xiaochen Li
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Jing Cao
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.
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Soto-Montero T, Flores-Díaz N, Molina D, Soto-Navarro A, Lizano-Villalobos A, Camacho C, Hagfeldt A, Pineda LW. Dopant-Free Hole-Transport Materials with Germanium Compounds Bearing Pseudohalide and Chalcogenide Moieties for Perovskite Solar Cells. Inorg Chem 2020; 59:15154-15166. [PMID: 33012162 DOI: 10.1021/acs.inorgchem.0c02120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Hole-transport materials (HTMs) are key electronic components for the functioning of perovskite solar cells (PSCs) as they extract the photogenerated holes from the perovskite to be transported subsequently to the back electrode while minimizing the loss from electron recombination. Herein, we report the synthesis and characterization of novel germanium-based compounds with [{HC(CMeNAr)2}GeNCS] (2), [{HC(CMeNAr)2}Ge(S)NCS] (3), and [{HC(CMeNAr)2}Ge(Se)NCS] (4) compositions, with Ar = 2,6-iPr2C6H3 and the photovoltaic performance of 3 and 4 that is the same as for HTM in PSC. All compounds displayed excellent thermal properties and an appropriate alignment of energy levels for the perovskite with maximum optical absorption in the near-UV region. As revealed by space-charge limited-current (SCLC) measurements, compounds 3 and 4 have competing hole mobilities of about 1.37 × 10-4 and 4.88 × 10-4 cm2 V-1 s-1, respectively. Upon assessing PSC devices using 3 and 4 with triple-cation perovskite absorber Cs0.05(MA0.17FA0.83)0.95Pb(I0.83Br0.17)3, the power conversion efficiencies (PCEs) were about 13.03 and 9.23%, respectively, both without doping and additives, and were compared with benchmark HTM spiro-OMeTAD (2,2',7,7'-tetrakis(N,N-di-p-methoxyphenylamine)-9,9'-spirobifluorene). Quantum chemical calculations with DFT showed that the optoelectronic properties are strongly influenced by the combined contributions of the germanium atom, the pseudohalide moiety (NCS-), and chalcogenides (S2- or Se2-). Fine tuning the electronic properties of germanium is thus a good strategy for the targeted synthesis of potential conducting molecules in PSCs.
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Affiliation(s)
| | - Natalie Flores-Díaz
- Laboratory of Photomolecular Science, Institute of Chemistry Sciences and Engineering, School of Basic Science, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
| | - Desiré Molina
- Área de Química Orgánica, Instituto de Bioingeniería, Universidad Miguel Hernández, Avda. de la Universidad, s/n, 03202 Elche, Spain
| | | | | | | | - Anders Hagfeldt
- Laboratory of Photomolecular Science, Institute of Chemistry Sciences and Engineering, School of Basic Science, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
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Matsuo Y, Ogumi K, Jeon I, Wang H, Nakagawa T. Recent progress in porphyrin- and phthalocyanine-containing perovskite solar cells. RSC Adv 2020; 10:32678-32689. [PMID: 35516522 PMCID: PMC9056672 DOI: 10.1039/d0ra03234d] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 08/10/2020] [Indexed: 12/19/2022] Open
Abstract
In this review, we summarize the application of porphyrins and phthalocyanines in perovskite solar cells to date. Since the first porphyrin- and phthalocyanine-based perovskite solar cells were reported in 2009, their power conversion efficiency has dramatically increased from 3.9% to over 20%. Porphyrins and phthalocyanines have mostly been used as the charge selective layers in these cells. In some cases, they have been used inside the perovskite photoactive layer to form two-dimensional perovskite structures. In other cases, they were used at the interface to engineer the surface energy level. This review gives a chronological introduction to the application of porphyrins and phthalocyanines for perovskite solar cells depending on their role. This review article also provides the history of porphyrin and phthalocyanine derivative development from the perspective of perovskite solar cell applications.
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Affiliation(s)
- Yutaka Matsuo
- Institute of Materials Innovation, Institutes of Innovation for Future Society, Nagoya University Furo-cho, Chikusa-ku Nagoya 464-8603 Japan
- Department of Mechanical Engineering, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
- Hefei National Laboratory for Physical Science at the Microscale, University of Science and Technology of China Hefei Anhui 230026 China
| | - Keisuke Ogumi
- Institute of Materials Innovation, Institutes of Innovation for Future Society, Nagoya University Furo-cho, Chikusa-ku Nagoya 464-8603 Japan
- Tokyo Metropolitan Industrial Technology Research Institute 2-4-10 Aomi, Koto-ku Tokyo 135-0064 Japan
| | - Il Jeon
- Department of Mechanical Engineering, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Huan Wang
- Hefei National Laboratory for Physical Science at the Microscale, University of Science and Technology of China Hefei Anhui 230026 China
| | - Takafumi Nakagawa
- Department of Mechanical Engineering, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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Sun X, Deng X, Li Z, Xiong B, Zhong C, Zhu Z, Li Z, Jen AK. Dopant-Free Crossconjugated Hole-Transporting Polymers for Highly Efficient Perovskite Solar Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:1903331. [PMID: 32670747 PMCID: PMC7341082 DOI: 10.1002/advs.201903331] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 03/06/2020] [Indexed: 06/11/2023]
Abstract
Currently, there are only very few dopant-free polymer hole-transporting materials (HTMs) that can enable perovskite solar cells (PVSCs) to demonstrate a high power conversion efficiency (PCE) of greater than 20%. To address this need, a simple and efficient way is developed to synthesize novel crossconjugated polymers as high performance dopant-free HTMs to endow PVSCs with a high PCE of 21.3%, which is among the highest values reported for single-junction inverted PVSCs. More importantly, rational understanding of the reasons why two isomeric polymer HTMs (PPE1 and PPE2) with almost identical photophysical properties, hole-transporting ability, and surface wettability deliver so distinctly different device performance under similar device fabrication conditions is manifested. PPE2 is found to improve the quality of perovskite films cast on top with larger grain sizes and more oriented crystallization. These results help unveil the new HTM design rules to influence the perovskite growth/crystallization for improving the performance of inverted PVSCs.
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Affiliation(s)
- Xianglang Sun
- Key Laboratory for Material Chemistry of Energy Conversion and StorageMinistry of EducationSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan430074P. R. China
| | - Xiang Deng
- Department of ChemistryCity University of Hong KongKowloon999077Hong Kong SAR
- Department of Materials Science and EngineeringCity University of Hong KongKowloon999077Hong Kong
| | - Zhen Li
- Department of ChemistryCity University of Hong KongKowloon999077Hong Kong SAR
| | - Bijin Xiong
- Key Laboratory for Material Chemistry of Energy Conversion and StorageMinistry of EducationSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan430074P. R. China
| | - Cheng Zhong
- Department of ChemistryWuhan UniversityWuhan430072P. R. China
| | - Zonglong Zhu
- Department of ChemistryCity University of Hong KongKowloon999077Hong Kong SAR
| | - Zhong'an Li
- Key Laboratory for Material Chemistry of Energy Conversion and StorageMinistry of EducationSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan430074P. R. China
| | - Alex K.‐Y. Jen
- Department of ChemistryCity University of Hong KongKowloon999077Hong Kong SAR
- Department of Materials Science and EngineeringCity University of Hong KongKowloon999077Hong Kong
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ROMP polymer supported manganese porphyrins: Influence of C C bonds along polymer chains on catalytic behavior in oxidation of low concentration Fe2+. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2020.104530] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Yu Z, Hagfeldt A, Sun L. The application of transition metal complexes in hole-transporting layers for perovskite solar cells: Recent progress and future perspectives. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2019.213143] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Gkini K, Verykios A, Balis N, Kaltzoglou A, Papadakis M, Adamis KS, Armadorou KK, Soultati A, Drivas C, Gardelis S, Petsalakis ID, Palilis LC, Fakharuddin A, Haider MI, Bao X, Kennou S, Argitis P, Schmidt-Mende L, Coutsolelos AG, Falaras P, Vasilopoulou M. Enhanced Organic and Perovskite Solar Cell Performance through Modification of the Electron-Selective Contact with a Bodipy-Porphyrin Dyad. ACS APPLIED MATERIALS & INTERFACES 2020; 12:1120-1131. [PMID: 31829007 DOI: 10.1021/acsami.9b17580] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Photovoltaic devices based on organic semiconductors and organo-metal halide perovskites have not yet reached the theoretically predicted power conversion efficiencies while they still exhibit poor environmental stability. Interfacial engineering using suitable materials has been recognized as an attractive approach to tackle the above issues. We introduce here a zinc porphyrin-triazine-bodipy donor-π bridge-acceptor dye as a universal electron transfer mediator in both organic and perovskite solar cells. Thanks to its "push-pull" character, this dye enhances electron transfer from the absorber layer toward the electron-selective contact, thus improving the device's photocurrent and efficiency. The direct result is more than 10% average power conversion efficiency enhancement in both fullerene-based (from 8.65 to 9.80%) and non-fullerene-based (from 7.71 to 8.73%) organic solar cells as well as in perovskite ones (from 14.56 to 15.67%), proving the universality of our approach. Concurrently, by forming a hydrophobic network on the surface of metal oxide substrates, it improves the nanomorphology of the photoactive overlayer and contributes to efficiency stabilization. The fabricated devices of both kinds preserved more than 85% of their efficiency upon exposure to ambient conditions for more than 600 h without any encapsulation.
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Affiliation(s)
- Konstantina Gkini
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research Demokritos , Agia Paraskevi , 15341 Athens , Greece
| | - Apostolis Verykios
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research Demokritos , Agia Paraskevi , 15341 Athens , Greece
| | - Nikolaos Balis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research Demokritos , Agia Paraskevi , 15341 Athens , Greece
| | - Andreas Kaltzoglou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research Demokritos , Agia Paraskevi , 15341 Athens , Greece
| | - Michael Papadakis
- Department of Chemistry , University of Crete, Laboratory of Bioinorganic Chemistry , Voutes Campus , 70013 Heraklion , Crete , Greece
| | - Konstantinos S Adamis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research Demokritos , Agia Paraskevi , 15341 Athens , Greece
- Department of Chemistry , University of Crete, Laboratory of Bioinorganic Chemistry , Voutes Campus , 70013 Heraklion , Crete , Greece
| | - Konstantina-Kalliopi Armadorou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research Demokritos , Agia Paraskevi , 15341 Athens , Greece
| | - Anastasia Soultati
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research Demokritos , Agia Paraskevi , 15341 Athens , Greece
| | | | - Spyros Gardelis
- Solid State Physics Section, Physics Department , National and Kapodistrian University of Athens , Panepistimioupolis , 15784 Zografos , Athens , Greece
| | - Ioannis D Petsalakis
- Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation , Vas. Constantinou Avenue 48 , 11635 Athens , Greece
| | | | - Azhar Fakharuddin
- Department of Physics , University of Konstanz , 78457 Konstanz , Germany
| | - Muhammad Irfan Haider
- Department of Physics , University of Konstanz , 78457 Konstanz , Germany
- Department of Chemistry , Quaid-i-Azam University , 45320 Islamabad , Pakistan
| | - Xichang Bao
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences , 266101 Qingdao , China
| | | | - Panagiotis Argitis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research Demokritos , Agia Paraskevi , 15341 Athens , Greece
| | | | - Athanassios G Coutsolelos
- Department of Chemistry , University of Crete, Laboratory of Bioinorganic Chemistry , Voutes Campus , 70013 Heraklion , Crete , Greece
| | - Polycarpos Falaras
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research Demokritos , Agia Paraskevi , 15341 Athens , Greece
| | - Maria Vasilopoulou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research Demokritos , Agia Paraskevi , 15341 Athens , Greece
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17
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Bengasi G, Desport JS, Baba K, Cosas Fernandes JP, De Castro O, Heinze K, Boscher ND. Molecular flattening effect to enhance the conductivity of fused porphyrin tape thin films. RSC Adv 2020; 10:7048-7057. [PMID: 35493879 PMCID: PMC9049719 DOI: 10.1039/c9ra09711b] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 02/07/2020] [Indexed: 12/14/2022] Open
Abstract
The straightforward synthesis of directly fused porphyrins (porphyrin tapes) from 5,15-diphenyl porphyrinato nickel(ii) complexes with different substituents on the phenyl rings is achieved while processing from the gas phase. The porphyrin tapes, exhibiting NIR absorption, are readily obtained in thin film form. The gas phase approach cuts the need for solubilizing groups allowing for the first time the study of their conductivity according to the substituent. 2-Point probe and conductivity AFM measurements evidence that reducing the size of the meso substituents, phenyl < mesityl < di(3,5-tert-butyl)phenyl < di(2,6-dodecyloxy)phenyl, improves the thin film conductivity by several orders of magnitude. Density functional theory and gel permeation chromatography, correlate this improvement to changes in the intermolecular distances and molecular geometry. Furthermore, the oCVD of porphyrins with free ortho-phenyl positions causes intramolecular dehydrogenative side reactions inducing a complete planarization of the molecule. This molecular flattening drastically affects the π–π stacking between the porphyrins further enhancing the electronic properties of the films. This work reports the strong correlation between the conductivity of fused porphyrins thin films and the porphyrin substituents.![]()
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Affiliation(s)
- Giuseppe Bengasi
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
- Institute of Inorganic Chemistry and Analytical Chemistry
| | - Jessica S. Desport
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
| | - Kamal Baba
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
| | - João P. Cosas Fernandes
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
| | - Olivier De Castro
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
| | - Katja Heinze
- Institute of Inorganic Chemistry and Analytical Chemistry
- Johannes Gutenberg University of Mainz
- 55128 Mainz
- Germany
| | - Nicolas D. Boscher
- Materials Research and Technology
- Luxembourg Institute of Science and Technology (LIST)
- L-4362 Esch/Alzette
- Luxembourg
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18
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Ogumi K, Matsuo Y. Prediction of magnesium tetraethynylporphyrin’s solubility by theoretical calculation. J PORPHYR PHTHALOCYA 2019. [DOI: 10.1142/s1088424619501475] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
To investigate the solubility of porphyrin derivatives, their intermolecular interaction energies were calculated by the counterpoise method at the B97D3/6-31G(d) level. It was found that the calculated intermolecular interaction energies corresponded to the solubility measured by UV-vis spectroscopy. This correlation was consistent with differences in substituents and in the metals in the porphyrin core.
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Affiliation(s)
- Keisuke Ogumi
- Tokyo Metropolitan Industrial Technology Research Institute, 2-4-10 Aomi, Koto-ku, Tokyo 135-0064, Japan
| | - Yutaka Matsuo
- Institutes of Innovation for Future Society, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
- Department of Mechanical Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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19
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Aydin E, De Bastiani M, De Wolf S. Defect and Contact Passivation for Perovskite Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1900428. [PMID: 31062907 DOI: 10.1002/adma.201900428] [Citation(s) in RCA: 144] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Indexed: 05/05/2023]
Abstract
Metal-halide perovskites are rapidly emerging as an important class of photovoltaic absorbers that may enable high-performance solar cells at affordable cost. Thanks to the appealing optoelectronic properties of these materials, tremendous progress has been reported in the last few years in terms of power conversion efficiencies (PCE) of perovskite solar cells (PSCs), now with record values in excess of 24%. Nevertheless, the crystalline lattice of perovskites often includes defects, such as interstitials, vacancies, and impurities; at the grain boundaries and surfaces, dangling bonds can also be present, which all contribute to nonradiative recombination of photo-carriers. On device level, such recombination undesirably inflates the open-circuit voltage deficit, acting thus as a significant roadblock toward the theoretical efficiency limit of 30%. Herein, the focus is on the origin of the various voltage-limiting mechanisms in PSCs, and possible mitigation strategies are discussed. Contact passivation schemes and the effect of such methods on the reduction of hysteresis are described. Furthermore, several strategies that demonstrate how passivating contacts can increase the stability of PSCs are elucidated. Finally, the remaining key challenges in contact design are prioritized and an outlook on how passivating contacts will contribute to further the progress toward market readiness of high-efficiency PSCs is presented.
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Affiliation(s)
- Erkan Aydin
- King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Michele De Bastiani
- King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Stefaan De Wolf
- King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Thuwal, 23955-6900, Kingdom of Saudi Arabia
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20
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Urbani M, de la Torre G, Nazeeruddin MK, Torres T. Phthalocyanines and porphyrinoid analogues as hole- and electron-transporting materials for perovskite solar cells. Chem Soc Rev 2019; 48:2738-2766. [PMID: 31033978 DOI: 10.1039/c9cs00059c] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Organic-inorganic lead halide perovskite absorbers in combination with electron and hole transporting selective contacts result in power conversion efficiencies of over 23% under AM 1.5 sun conditions. The advantage of perovskite solar cells is their simple fabrication through solution-processing methods either in n-i-p or p-i-n configurations. Using TiO2 or SnO2 as an electron transporting layer, a compositionally engineered perovskite as an absorber layer, and Spiro-OMeTAD as a HTM, several groups have reported over 20% efficiency. Though perovskite solar cells reached comparable efficiency to that of crystalline silicon ones, their stability remains a bottleneck for commercialization partly due to the use of doped Spiro-OMeTAD. Several organic and inorganic hole transporting materials have been explored to increase the stability and power conversion efficiency of perovskite solar cells. IIn this review, we analyse the stability and efficiency of perovskite solar cells incorporating phthalocyanine and porphyrin macrocycles as hole- and electron transporting materials. The π-π stacking orientation of these macrocycles on the perovskite surface is important in facilitating a vertical charge transport, resulting in high power conversion efficiency.
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Affiliation(s)
- Maxence Urbani
- Departamento de Química Orgánica, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain. and IMDEA-Nanociencia, Campus de Cantoblanco, 28049 Madrid, Spain
| | - Gema de la Torre
- Departamento de Química Orgánica, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain. and Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Mohammad Khaja Nazeeruddin
- Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, EPFL, Valais Wallis, Rue de l'Industrie 17, 1950 Sion, Switzerland.
| | - Tomás Torres
- Departamento de Química Orgánica, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain. and IMDEA-Nanociencia, Campus de Cantoblanco, 28049 Madrid, Spain and Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049 Madrid, Spain
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21
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Metallated Macrocyclic Derivatives as a Hole – Transporting Materials for Perovskite Solar Cells. CHEM REC 2019; 19:2157-2177. [DOI: 10.1002/tcr.201800171] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/17/2018] [Accepted: 12/20/2018] [Indexed: 01/23/2023]
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22
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Zhu K, Luo Q, Kang SZ, Qin L, Li G, Li X. The study of a novel cobalt-implanted pyridylporphyrin/graphene oxide nanohybrid for enhanced photocatalytic hydrogen evolution and its electron transfer mechanism. NANOSCALE 2018; 10:18635-18641. [PMID: 30259946 DOI: 10.1039/c8nr06138f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A metallic cobalt nanoparticle-implanted 5,15-diphenyl-10,20-di(4-pyridyl) porphyrin (DPyP)/graphene oxide (GO) nanohybrid (GO-Co-DPyP) was facilely fabricated. By means of XPS, XRD, Raman spectroscopy and UV-vis spectroscopy, it was demonstrated that on implanting metallic cobalt nanoparticles (Co NPs) in the GO, stronger interaction between GO and DPyP can be achieved, which enlarged the included angle between DPyP and GO. The nanohybrid was benifical for light absorption and photo-induced electron transfer. Furthermore, photocatalytic activity for hydrogen evolution over the nanohybrid was investigated. We found that higher activity over the GO-Co-DPyP nanohybrid was obtained, which was about two times higher than that of Co2+ implanted in the GO (GO-Co2+-DPyP). Combined with the results of fluorescence spectra and photoelectronic spectra, the electron transfer mechanism for hydrogen evolution was clarified. This study will provide some theoretical and experimental basis for the assembly and photocatalytic performance of GO-based composites by interfacial modification.
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Affiliation(s)
- Kun Zhu
- School of Chemical and Environmental Engineering, Center of Graphene Research, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, China.
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23
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Tong T, Tan C, Keller T, Li B, Zheng C, Scherf U, Gao D, Huang W. Two Anthracene-Based Copolymers as the Hole-Transporting Materials for High-Performance Inverted (p-i-n) Perovskite Solar Cells. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00919] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Tong Tong
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People’s Republic of China
| | - Chao Tan
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People’s Republic of China
| | - Tina Keller
- Macromolecular Chemistry Group, Bergische Universität Wuppertal, Gaußstraße 20, Wuppertal D-42119, Germany
| | - Bobo Li
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People’s Republic of China
| | - Chaoyue Zheng
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People’s Republic of China
| | - Ullrich Scherf
- Macromolecular Chemistry Group, Bergische Universität Wuppertal, Gaußstraße 20, Wuppertal D-42119, Germany
| | - Deqing Gao
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People’s Republic of China
| | - Wei Huang
- Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People’s Republic of China
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24
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Verykios A, Papadakis M, Soultati A, Skoulikidou MC, Papaioannou G, Gardelis S, Petsalakis ID, Theodorakopoulos G, Petropoulos V, Palilis LC, Fakis M, Vainos NA, Alexandropoulos D, Davazoglou D, Pistolis G, Argitis P, Coutsolelos AG, Vasilopoulou M. Functionalized Zinc Porphyrins with Various Peripheral Groups for Interfacial Electron Injection Barrier Control in Organic Light Emitting Diodes. ACS OMEGA 2018; 3:10008-10018. [PMID: 31459129 PMCID: PMC6644834 DOI: 10.1021/acsomega.8b01503] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Accepted: 08/13/2018] [Indexed: 06/10/2023]
Abstract
Here, we use a simple and effective method to accomplish energy level alignment and thus electron injection barrier control in organic light emitting diodes (OLEDs) with a conventional architecture based on a green emissive copolymer. In particular, a series of functionalized zinc porphyrin compounds bearing π-delocalized triazine electron withdrawing spacers for efficient intramolecular electron transfer and different terminal groups such as glycine moieties in their peripheral substitutes are employed as thin interlayers at the emissive layer/Al (cathode) interface to realize efficient electron injection/transport. The effects of spatial (i.e., assembly) configuration, molecular dipole moment and type of peripheral group termination on the optical properties and energy level tuning are investigated by steady-state and time-resolved photoluminescence spectroscopy in F8BT/porphyrin films, by photovoltage measurements in OLED devices and by surface work function measurements in Al electrodes modified with the functionalized zinc porphyrins. The performance of OLEDs is significantly improved upon using the functionalized porphyrin interlayers with the recorded luminance of the devices to reach values 1 order of magnitude higher than that of the reference diode without any electron injection/transport interlayer.
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Affiliation(s)
- Apostolis Verykios
- Institute of Nanoscience
and Nanotechnology, National Center for
Scientific Research Demokritos, Agia Paraskevi, 15310 Athens, Greece
- Department
of Physics and Department of Materials Science, University
of Patras, 26504 Patras, Greece
| | - Michael Papadakis
- Department of Chemistry, Laboratory of Bioinorganic Chemistry, University of Crete, Voutes Campus, Heraklion 70013 Crete, Greece
| | - Anastasia Soultati
- Institute of Nanoscience
and Nanotechnology, National Center for
Scientific Research Demokritos, Agia Paraskevi, 15310 Athens, Greece
| | - Maria-Christina Skoulikidou
- Institute of Nanoscience
and Nanotechnology, National Center for
Scientific Research Demokritos, Agia Paraskevi, 15310 Athens, Greece
- Solid State Physics Section, Physics Department, National and Kapodistrian University of Athens, Panepistimioupolis, 15784 Zografos, Athens, Greece
| | - George Papaioannou
- Solid State Physics Section, Physics Department, National and Kapodistrian University of Athens, Panepistimioupolis, 15784 Zografos, Athens, Greece
| | - Spyros Gardelis
- Solid State Physics Section, Physics Department, National and Kapodistrian University of Athens, Panepistimioupolis, 15784 Zografos, Athens, Greece
| | - Ioannis D. Petsalakis
- Theoretical
and Physical Chemistry Institute, National
Hellenic Research Foundation, Vas. Constantinou Avenue 48, 11635 Athens, Greece
| | - Giannoula Theodorakopoulos
- Theoretical
and Physical Chemistry Institute, National
Hellenic Research Foundation, Vas. Constantinou Avenue 48, 11635 Athens, Greece
| | - Vasilis Petropoulos
- Department
of Physics and Department of Materials Science, University
of Patras, 26504 Patras, Greece
| | - Leonidas C. Palilis
- Department
of Physics and Department of Materials Science, University
of Patras, 26504 Patras, Greece
| | - Mihalis Fakis
- Department
of Physics and Department of Materials Science, University
of Patras, 26504 Patras, Greece
| | - Nikolaos A. Vainos
- Department
of Physics and Department of Materials Science, University
of Patras, 26504 Patras, Greece
| | - Dimitris Alexandropoulos
- Department
of Physics and Department of Materials Science, University
of Patras, 26504 Patras, Greece
| | - Dimitris Davazoglou
- Institute of Nanoscience
and Nanotechnology, National Center for
Scientific Research Demokritos, Agia Paraskevi, 15310 Athens, Greece
| | - George Pistolis
- Institute of Nanoscience
and Nanotechnology, National Center for
Scientific Research Demokritos, Agia Paraskevi, 15310 Athens, Greece
| | - Panagiotis Argitis
- Institute of Nanoscience
and Nanotechnology, National Center for
Scientific Research Demokritos, Agia Paraskevi, 15310 Athens, Greece
| | - Athanassios G. Coutsolelos
- Department of Chemistry, Laboratory of Bioinorganic Chemistry, University of Crete, Voutes Campus, Heraklion 70013 Crete, Greece
| | - Maria Vasilopoulou
- Institute of Nanoscience
and Nanotechnology, National Center for
Scientific Research Demokritos, Agia Paraskevi, 15310 Athens, Greece
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25
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Li B, Li X, Li X, Liu H, Li Z, Xiang G, Liu Y, Zhou T, Fang X, Zhang Z. A simple method to improve the performance of perovskite light-emitting diodes via layer-by-layer spin-coating CsPbBr 3 quantum dots. RSC Adv 2018; 8:27201-27206. [PMID: 35539984 PMCID: PMC9083367 DOI: 10.1039/c8ra05104f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 07/16/2018] [Indexed: 11/24/2022] Open
Abstract
Recently, all-inorganic halide perovskite quantum dots have become a very promising material for light-emitting diodes. Herein, we demonstrate a facile method, namely, layer-by-layer spin-coating of CsPbBr3 QDs to improve device performance. After optimization of the number of emissive layers, the maximum EQE can be increased from an initial value of 0.69% to 2.31%. Additionally, we inserted a CBP layer between PEDOT:PSS and CsPbBr3 multilayers to balance charge transportation and recombination. As a result, a 37% improvement in EQE (up to 3.16%) and highest luminance of 2629 cd m−2 are obtained. Schematic diagram of perovskite LEDs and EQE–voltage curves of these devices.![]()
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Affiliation(s)
- Bobo Li
- School of Science and Engineering, The Chinese University of Hong Kong Shenzhen Guangdong 518172 P. R. China
| | - Xiaomeng Li
- School of Science and Engineering, The Chinese University of Hong Kong Shenzhen Guangdong 518172 P. R. China
| | - Xia Li
- State Key Laboratory of Inorganic Synthesis and Preparation Chemistry, College of Chemistry, Jilin University Changchun 130012 P. R. China
| | - Haolin Liu
- School of Science and Engineering, The Chinese University of Hong Kong Shenzhen Guangdong 518172 P. R. China
| | - Zhaonan Li
- School of Science and Engineering, The Chinese University of Hong Kong Shenzhen Guangdong 518172 P. R. China
| | - Guohong Xiang
- School of Science and Engineering, The Chinese University of Hong Kong Shenzhen Guangdong 518172 P. R. China
| | - Yuhan Liu
- School of Science and Engineering, The Chinese University of Hong Kong Shenzhen Guangdong 518172 P. R. China
| | - Taojie Zhou
- School of Science and Engineering, The Chinese University of Hong Kong Shenzhen Guangdong 518172 P. R. China
| | - Xuan Fang
- School of Science and Engineering, The Chinese University of Hong Kong Shenzhen Guangdong 518172 P. R. China
| | - Zhaoyu Zhang
- School of Science and Engineering, The Chinese University of Hong Kong Shenzhen Guangdong 518172 P. R. China
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26
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Tountas M, Verykios A, Polydorou E, Kaltzoglou A, Soultati A, Balis N, Angaridis PA, Papadakis M, Nikolaou V, Auras F, Palilis LC, Tsikritzis D, Evangelou EK, Gardelis S, Koutsoureli M, Papaioannou G, Petsalakis ID, Kennou S, Davazoglou D, Argitis P, Falaras P, Coutsolelos AG, Vasilopoulou M. Engineering of Porphyrin Molecules for Use as Effective Cathode Interfacial Modifiers in Organic Solar Cells of Enhanced Efficiency and Stability. ACS APPLIED MATERIALS & INTERFACES 2018; 10:20728-20739. [PMID: 29785853 DOI: 10.1021/acsami.8b03061] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In the present work, we effectively modify the TiO2 electron transport layer of organic solar cells with an inverted architecture using appropriately engineered porphyrin molecules. The results show that the optimized porphyrin modifier bearing two carboxylic acids as the anchoring groups and a triazine electron-withdrawing spacer significantly reduces the work function of TiO2, thereby reducing the electron extraction barrier. Moreover, the lower surface energy of the porphyrin-modified substrate results in better physical compatibility between the latter and the photoactive blend. Upon employing porphyrin-modified TiO2 electron transport layers in PTB7:PC71BM-based organic solar cells we obtained an improved average power conversion efficiency up to 8.73%. Importantly, porphyrin modification significantly increased the lifetime of the devices, which retained 80% of their initial efficiency after 500 h of storage in the dark. Because of its simplicity and efficacy, this approach should give tantalizing glimpses and generate an impact into the potential of porphyrins to facilitate electron transfer in organic solar cells and related devices.
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Affiliation(s)
- Marinos Tountas
- Institute of Nanoscience and Nanotechnology , National Center for Scientific Research Demokritos , Agia Paraskevi, 15310 Athens , Greece
- School of Applied Mathematical and Physical Sciences , National Technical University of Athens , Zografou Campus , 15780 Athens , Greece
| | - Apostolis Verykios
- Institute of Nanoscience and Nanotechnology , National Center for Scientific Research Demokritos , Agia Paraskevi, 15310 Athens , Greece
| | - Ermioni Polydorou
- Institute of Nanoscience and Nanotechnology , National Center for Scientific Research Demokritos , Agia Paraskevi, 15310 Athens , Greece
| | - Andreas Kaltzoglou
- Institute of Nanoscience and Nanotechnology , National Center for Scientific Research Demokritos , Agia Paraskevi, 15310 Athens , Greece
| | - Anastasia Soultati
- Institute of Nanoscience and Nanotechnology , National Center for Scientific Research Demokritos , Agia Paraskevi, 15310 Athens , Greece
| | - Nikolaos Balis
- Institute of Nanoscience and Nanotechnology , National Center for Scientific Research Demokritos , Agia Paraskevi, 15310 Athens , Greece
| | - Panagiotis A Angaridis
- Department of Chemistry , Aristotle University of Thessaloniki , 54124 Thessaloniki , Greece
| | - Michael Papadakis
- Department of Chemistry, Laboratory of Bioinorganic Chemistry , University of Crete , Voutes Campus , Heraklion 70013 , Crete , Greece
| | - Vasilis Nikolaou
- Department of Chemistry, Laboratory of Bioinorganic Chemistry , University of Crete , Voutes Campus , Heraklion 70013 , Crete , Greece
| | - Florian Auras
- Cavendish Laboratory , University of Cambridge , CB3 0HE Cambridge , United Kingdom
| | | | | | | | - Spyros Gardelis
- Solid State Physics Section, Physics Department , National and Kapodistrian University of Athens , Panepistimioupolis , 15784 Zografos, Athens , Greece
| | - Matroni Koutsoureli
- Solid State Physics Section, Physics Department , National and Kapodistrian University of Athens , Panepistimioupolis , 15784 Zografos, Athens , Greece
| | - George Papaioannou
- Solid State Physics Section, Physics Department , National and Kapodistrian University of Athens , Panepistimioupolis , 15784 Zografos, Athens , Greece
| | - Ioannis D Petsalakis
- Theoretical and Physical Chemistry Institute , National Hellenic Research Foundation , Vas. Constantinou Avenue 48 , 11635 Athens , Greece
| | | | - Dimitris Davazoglou
- Institute of Nanoscience and Nanotechnology , National Center for Scientific Research Demokritos , Agia Paraskevi, 15310 Athens , Greece
| | - Panagiotis Argitis
- Institute of Nanoscience and Nanotechnology , National Center for Scientific Research Demokritos , Agia Paraskevi, 15310 Athens , Greece
| | - Polycarpos Falaras
- Institute of Nanoscience and Nanotechnology , National Center for Scientific Research Demokritos , Agia Paraskevi, 15310 Athens , Greece
| | - Athanassios G Coutsolelos
- Department of Chemistry, Laboratory of Bioinorganic Chemistry , University of Crete , Voutes Campus , Heraklion 70013 , Crete , Greece
| | - Maria Vasilopoulou
- Institute of Nanoscience and Nanotechnology , National Center for Scientific Research Demokritos , Agia Paraskevi, 15310 Athens , Greece
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Rodríguez-Seco C, Cabau L, Vidal-Ferran A, Palomares E. Advances in the Synthesis of Small Molecules as Hole Transport Materials for Lead Halide Perovskite Solar Cells. Acc Chem Res 2018. [PMID: 29543439 DOI: 10.1021/acs.accounts.7b00597] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Over hundreds of new organic semiconductor molecules have been synthesized as hole transport materials (HTMs) for perovskite solar cells. However, to date, the well-known N2, N2, N2', N2', N7, N7, N7', octakis-(4-methoxyphenyl)-9,9-spirobi-[9,9'-spirobi[9 H-fluorene]-2,2',7,7'-tetramine (spiro-OMeTAD) is still the best choice for the best perovskite device performance. Nevertheless, there is a consensus that spiro-OMeTAD by itself is not stable enough for long-term stable devices, and its market price makes its use in large-scale production costly. Novel synthetic routes for new HTMs have to be sought that can be carried out in fewer synthetic steps and can be easily scaled up for commercial purposes. On the one hand, synthetic chemists have taken, as a first approach, the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy levels of the spiro-OMeTAD molecule as a reference to synthesize molecules with similar energy levels, although these HOMO and LUMO energy levels often have been measured indirectly in solution using cyclic voltammetry. On the other hand, the "spiro" chemical core has also been studied as a structural motif for novel HTMs. However, only a few molecules incorporated as HTMs in complete functional perovskite solar cells have been capable of matching the performance of the best-performing perovskite solar cells made using spiro-OMeTAD. In this Account, we describe the advances in the synthesis of HTMs that have been tested in perovskite solar cells. The comparison of solar cell efficiencies is of course very challenging because the solar cell preparation conditions may differ from laboratory to laboratory. To extract valuable information about the HTM molecular structure-device function relationship, we describe those examples that always have used spiro-OMeTAD as a control device and have always used identical experimental conditions (e.g., the use of the same chemical dopant for the HTM or the lack of it). The pioneering work was focused on well-understood organic semiconductor moieties such as arylamine, carbazole, and thiophene. Those chemical structures have been largely employed and studied as HTMs, for instance, in organic light-emitting devices. Interestingly, most research groups have reported the hole mobility values for their novel HTMs. However, only a few examples have been found that have measured the HOMO and LUMO energy levels using advanced spectroscopic techniques to determine these reference energy values directly. Moreover, it has been shown that those molecules, upon interacting with the perovskite layer, often have different HOMO and LUMO energies than the values estimated indirectly using solution-based electrochemical methods. Last but not least, porphyrins and phthalocyanines have also been synthesized as potential HTMs for perovskite solar cells. Their optical and physical properties, such as high absorption and good energy transfer capabilities, open new possibilities for HTMs in perovskite solar cells.
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Affiliation(s)
- Cristina Rodríguez-Seco
- Institute of Chemical Research of Catalonia—The Barcelona Institute of Science and Technology (ICIQ-BIST), Avda. Països Catalans 16, E-43007 Tarragona, Spain
| | - Lydia Cabau
- Institute of Chemical Research of Catalonia—The Barcelona Institute of Science and Technology (ICIQ-BIST), Avda. Països Catalans 16, E-43007 Tarragona, Spain
| | - Anton Vidal-Ferran
- Institute of Chemical Research of Catalonia—The Barcelona Institute of Science and Technology (ICIQ-BIST), Avda. Països Catalans 16, E-43007 Tarragona, Spain
- ICREA, Passeig Lluis Companys 23, E-08010 Barcelona, Spain
| | - Emilio Palomares
- Institute of Chemical Research of Catalonia—The Barcelona Institute of Science and Technology (ICIQ-BIST), Avda. Països Catalans 16, E-43007 Tarragona, Spain
- ICREA, Passeig Lluis Companys 23, E-08010 Barcelona, Spain
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Song H, Liu Q, Xie Y. Porphyrin-sensitized solar cells: systematic molecular optimization, coadsorption and cosensitization. Chem Commun (Camb) 2018; 54:1811-1824. [PMID: 29372729 DOI: 10.1039/c7cc09671b] [Citation(s) in RCA: 119] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
As a promising low-cost solar energy conversion technique, dye-sensitized solar cells have undergone spectacular development since 1991. For practical applications, improvement of power conversion efficiency has always been one of the major research topics. Porphyrins are outstanding sensitizers endowed with strong sunlight harvesting ability in the visible region and multiple reaction sites available for functionalization. However, judicious molecular design in consideration of light-harvest, energy levels, operational dynamics, adsorption geometry and suppression of back reactions is specifically required for achieving excellent photovoltaic performance. This feature article highlights some of the recently developed porphyrin sensitizers, especially focusing on the systematic dye structure optimization approach in combination with coadsorption and cosensitization methods in pursuing higher efficiencies. Herein, we expect to provide more insights into the structure-performance correlation and molecular engineering strategies in a stepwise manner.
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Affiliation(s)
- Heli Song
- Key Laboratory for Advanced Materials & Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Rd., Shanghai 200237, P. R. China.
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Hou X, Huang S, Ou-Yang W, Pan L, Sun Z, Chen X. Constructing Efficient and Stable Perovskite Solar Cells via Interconnecting Perovskite Grains. ACS APPLIED MATERIALS & INTERFACES 2017; 9:35200-35208. [PMID: 28936870 DOI: 10.1021/acsami.7b08488] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A high-quality perovskite film with interconnected perovskite grains was obtained by incorporating terephthalic acid (TPA) additive into the perovskite precursor solution. The presence of TPA changed the crystallization kinetics of the perovskite film and promoted lateral growth of grains in the vicinity of crystal boundaries. As a result, sheet-shaped perovskite was formed and covered onto the bottom grains, which made some adjacent grains partly merge together to form grains-interconnected perovskite film. Perovskite solar cells (PSCs) with TPA additive exhibited a power conversion efficiency (PCE) of 18.51% with less hysteresis, which is obviously higher than that of pristine cells (15.53%). PSCs without and with TPA additive retain 18 and 51% of the initial PCE value, respectively, aging for 35 days exposed to relative humidity 30% in air without encapsulation. Furthermore, MAPbI3 film with TPA additive shows superior thermal stability to the pristine one under 100 °C baking. The results indicate that the presence of TPA in perovskite film can greatly improve the performance of PSCs as well as their moisture resistance and thermal stability.
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Affiliation(s)
- Xian Hou
- Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, School of Physics and Materials Science and ‡Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Materials Science, East China Normal University , Shanghai 200062, China
| | - Sumei Huang
- Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, School of Physics and Materials Science and ‡Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Materials Science, East China Normal University , Shanghai 200062, China
| | - Wei Ou-Yang
- Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, School of Physics and Materials Science and ‡Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Materials Science, East China Normal University , Shanghai 200062, China
| | - Likun Pan
- Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, School of Physics and Materials Science and ‡Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Materials Science, East China Normal University , Shanghai 200062, China
| | - Zhuo Sun
- Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, School of Physics and Materials Science and ‡Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Materials Science, East China Normal University , Shanghai 200062, China
| | - Xiaohong Chen
- Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, School of Physics and Materials Science and ‡Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Materials Science, East China Normal University , Shanghai 200062, China
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Tran TTH, Chen GL, Hoang TKA, Kuo MY, Su YO. Effect of Imidazole on the Electrochemistry of Zinc Porphyrins: An Electrochemical and Computational Study. J Phys Chem A 2017; 121:6925-6931. [PMID: 28832144 DOI: 10.1021/acs.jpca.7b05002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In this study, the electrochemical behavior of zinc meso-substituted porphyrins in the presence of imidazole is examined by using both cyclic voltammetry (CV) and density functional theory (DFT) methods. The results show that the first half-wave oxidation potentials (1st E1/2) of zinc porphyrins complexed with imidazole all move to the negative side, while the second ones (2nd E1/2) move to the positive side, resulting in larger half-wave oxidation potential splittings of the two oxidation states (ΔE = second E1/2 - first E1/2) comparing with the zinc porphyrins. By employing DFT calculations, we have found that both sterically controlled inter π-conjugation between porphyrin rings and meso-substituted phenyl groups and deformation of porphyrin rings do play important roles in contributing to the half-wave oxidation potentials. Imidazole exhibits strong effects on the deformation of porphyrin rings which is dominant in determining the first E1/2 while the inter π-conjugation between porphyrin rings and meso-substituted phenyl groups mainly contributes to the second E1/2. Without imidazole, the inter π-conjugation between porphyrin rings and meso-substituted phenyl groups is the only important criterion which effects both first E1/2 and second E1/2 of zinc porphyrins.
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Affiliation(s)
- Thai T H Tran
- Department of Applied Chemistry, National Chi Nan University , 1 University Road, Puli, Nantou 545, Taiwan
| | - Guan-Ling Chen
- Department of Applied Chemistry, National Chi Nan University , 1 University Road, Puli, Nantou 545, Taiwan
| | - Tuan K A Hoang
- Department of Chemical Engineering, University of Waterloo , 200 University Avenue, Waterloo ON N2L 3G1, Canada
| | - Ming-Yu Kuo
- Department of Applied Chemistry, National Chi Nan University , 1 University Road, Puli, Nantou 545, Taiwan
| | - Yuhlong O Su
- Department of Applied Chemistry, National Chi Nan University , 1 University Road, Puli, Nantou 545, Taiwan
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Houston JE, Richeter S, Clément S, Evans RC. Molecular design of interfacial layers based on conjugated polythiophenes for polymer and hybrid solar cells. POLYM INT 2017. [DOI: 10.1002/pi.5397] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Judith E Houston
- Jülich Centre for Neutron Science at Heinz Maier-Leibnitz Zentrum, Forschungszentrum Jülich GmbH; Garching Germany
| | - Sébastien Richeter
- Institut Charles Gerhardt; Université de Montpellier; Montpellier France
| | - Sébastien Clément
- Institut Charles Gerhardt; Université de Montpellier; Montpellier France
| | - Rachel C Evans
- Department of Materials Science and Metallurgy; University of Cambridge; Cambridge UK
- School of Chemistry, Trinity College Dublin; Dublin Ireland
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Chaudhary B, Kulkarni A, Jena AK, Ikegami M, Udagawa Y, Kunugita H, Ema K, Miyasaka T. Poly(4-Vinylpyridine)-Based Interfacial Passivation to Enhance Voltage and Moisture Stability of Lead Halide Perovskite Solar Cells. CHEMSUSCHEM 2017; 10:2473-2479. [PMID: 28371487 DOI: 10.1002/cssc.201700271] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 03/06/2017] [Indexed: 05/14/2023]
Abstract
It is well known that the surface trap states and electronic disorders in the solution-processed CH3 NH3 PbI3 perovskite film affect the solar cell performance significantly and moisture sensitivity of photoactive perovskite material limits its practical applications. Herein, we show the surface modification of a perovskite film with a solution-processable hydrophobic polymer (poly(4-vinylpyridine), PVP), which passivates the undercoordinated lead (Pb) atoms (on the surface of perovskite) by its pyridine Lewis base side chains and thereby eliminates surface-trap states and non-radiative recombination. Moreover, it acts as an electron barrier between the perovskite and hole-transport layer (HTL) to reduce interfacial charge recombination, which led to improvement in open-circuit voltage (Voc ) by 120 to 160 mV whereas the standard cell fabricated in same conditions showed Voc as low as 0.9 V owing to dominating interfacial recombination processes. Consequently, the power conversion efficiency (PCE) increased by 3 to 5 % in the polymer-modified devices (PCE=15 %) with Voc more than 1.05 V and hysteresis-less J-V curves. Advantageously, hydrophobicity of the polymer chain was found to protect the perovskite surface from moisture and improved stability of the non-encapsulated cells, which retained their device performance up to 30 days of exposure to open atmosphere (50 % humidity).
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Affiliation(s)
- Bhumika Chaudhary
- Graduate School of Engineering, Toin University of Yokohama, 1614 Kuroganecho, Aoba, Yokohama, 225-8503, Japan
| | - Ashish Kulkarni
- Graduate School of Engineering, Toin University of Yokohama, 1614 Kuroganecho, Aoba, Yokohama, 225-8503, Japan
| | - Ajay Kumar Jena
- Graduate School of Engineering, Toin University of Yokohama, 1614 Kuroganecho, Aoba, Yokohama, 225-8503, Japan
| | - Masashi Ikegami
- Graduate School of Engineering, Toin University of Yokohama, 1614 Kuroganecho, Aoba, Yokohama, 225-8503, Japan
| | - Yosuke Udagawa
- Department of Physics, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Hideyuki Kunugita
- Department of Physics, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Kazuhiro Ema
- Department of Physics, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Tsutomu Miyasaka
- Graduate School of Engineering, Toin University of Yokohama, 1614 Kuroganecho, Aoba, Yokohama, 225-8503, Japan
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