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Yang X, Shao Y, Wang S, Chen M, Xiao B, Sun R, Min J. Processability Considerations for Next-Generation Organic Photovoltaic Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2307863. [PMID: 38048536 DOI: 10.1002/adma.202307863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 10/26/2023] [Indexed: 12/06/2023]
Abstract
The evolution of organic semiconductors for organic photovoltaics (OPVs) has resulted in unforeseen outcomes. This has provided substitute choices of photoactive layer materials, which effectively convert sunlight into electricity. Recently developed OPV materials have narrowed down the gaps in efficiency, stability, and cost in devices. Records now show power conversion efficiency in single-junction devices closing to 20%. Despite this, there is still a gap between the currently developed OPV materials and those that meet the requirements of practical applications, especially the solution processability issue widely concerned in the field of OPVs. Based on the general rule that structure determines properties, methodologies to enhance the processability of OPV materials are reviewed and explored from the perspective of material design and views on the further development of processable OPV materials are presented. Considering the current dilemma that the existing evaluation indicators cannot reflect the industrial processability of OPV materials, a more complete set of key performance indicators are proposed for their processability considerations. The purpose of this perspective is to raise awareness of the boundary conditions that exist in industrial OPV manufacturing and to provide guidance for academic research that aspires to contribute to technological advancements.
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Affiliation(s)
- Xinrong Yang
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Yiming Shao
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Shanshan Wang
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Mingxia Chen
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Bo Xiao
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Rui Sun
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Jie Min
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
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Liu C, Liu J, Duan X, Sun Y. Green-Processed Non-Fullerene Organic Solar Cells Based on Y-Series Acceptors. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303842. [PMID: 37526335 PMCID: PMC10558702 DOI: 10.1002/advs.202303842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 06/28/2023] [Indexed: 08/02/2023]
Abstract
The development of environmentally friendly and sustainable processes for the production of high-performance organic solar cells (OSCs) has become a critical research area. Currently, Y-series electron acceptors are widely used in high-performance OSCs, achieving power conversion efficiencies above 19%. However, these acceptors have large fused conjugated backbones that are well-soluble in halogenated solvents, such as chloroform and chlorobenzene, but have poor solubility in non-halogenated green solvents. To overcome this challenge, recent studies have focused on developing green-processed OSCs that use non-chlorinated and non-aromatic solvents to dissolve bulk-heterojunction photoactive layers based on Y-series electron acceptors, enabling environmentally friendly fabrication. In this comprehensive review, an overview of recent progress in green-processed OSCs based on Y-series acceptors is provided, covering the determination of Hansen solubility parameters, the use of non-chlorinated solvents, and the dispersion of conjugated nanoparticles in water/alcohol. It is hoped that the timely review will inspire researchers to develop new ideas and approaches in this important field, ultimately leading to the practical application of OSCs.
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Affiliation(s)
- Chunhui Liu
- School of ChemistryBeihang UniversityBeijing100191P. R. China
| | - Jinfeng Liu
- School of ChemistryBeihang UniversityBeijing100191P. R. China
| | - Xiaopeng Duan
- School of ChemistryBeihang UniversityBeijing100191P. R. China
| | - Yanming Sun
- School of ChemistryBeihang UniversityBeijing100191P. R. China
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Persson I, Laval H, Chambon S, Bonfante G, Hirakawa K, Wantz G, Watts B, Marcus MA, Xu X, Ying L, Lakhwani G, Andersson MR, Cairney JM, Holmes NP. Sub-4 nm mapping of donor-acceptor organic semiconductor nanoparticle composition. NANOSCALE 2023; 15:6126-6142. [PMID: 36939532 DOI: 10.1039/d3nr00839h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
We report, for the first time, sub-4 nm mapping of donor : acceptor nanoparticle composition in eco-friendly colloidal dispersions for organic electronics. Low energy scanning transmission electron microscopy (STEM) energy dispersive X-ray spectroscopy (EDX) mapping has revealed the internal morphology of organic semiconductor donor : acceptor blend nanoparticles at the sub-4 nm level. A unique element was available for utilisation as a fingerprint element to differentiate donor from acceptor material in each blend system. Si was used to map the location of donor polymer PTzBI-Si in PTzBI-Si:N2200 nanoparticles, and S (in addition to N) was used to map donor polymer TQ1 in TQ1:PC71BM nanoparticles. For select material blends, synchrotron-based scanning transmission X-ray microscopy (STXM), was demonstrated to remain as the superior chemical contrast technique for mapping organic donor : acceptor morphology, including for material combinations lacking a unique fingerprint element (e.g. PTQ10:Y6), or systems where the unique element is in a terminal functional group (unsaturated, dangling bonds) and can hence be easily damaged under the electron beam, e.g. F on PTQ10 donor polymer in the PTQ10:IDIC donor : acceptor blend. We provide both qualitative and quantitative compositional mapping of organic semiconductor nanoparticles with STEM EDX, with sub-domains resolved in nanoparticles as small as 30 nm in diameter. The sub-4 nm mapping technology reported here shows great promise for the optimisation of organic semiconductor blends for applications in organic electronics (solar cells and bioelectronics) and photocatalysis, and has further applications in organic core-shell nanomedicines.
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Affiliation(s)
- Ingemar Persson
- Australian Centre for Microscopy and Microanalysis, University of Sydney, Sydney, NSW 2006, Australia.
- Thin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-58183 Linköping, Sweden
| | - Hugo Laval
- University of Bordeaux, IMS, CNRS, UMR 5218, Bordeaux INP, ENSCBP, F-33405 Talence, France
| | - Sylvain Chambon
- LIMMS/CNRS-IIS (IRL2820), Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan
| | - Gwenael Bonfante
- LIMMS/CNRS-IIS (IRL2820), Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan
| | - Kazuhiko Hirakawa
- LIMMS/CNRS-IIS (IRL2820), Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan
| | - Guillaume Wantz
- University of Bordeaux, IMS, CNRS, UMR 5218, Bordeaux INP, ENSCBP, F-33405 Talence, France
| | | | - Matthew A Marcus
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Xiaoxue Xu
- School of Biomedical Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, NSW 2007, Australia
| | - Lei Ying
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, P. R. China
| | - Girish Lakhwani
- ARC Centre of Excellence in Exciton Science, School of Chemistry, University of Sydney, Sydney, NSW 2006, Australia
- The University of Sydney Nano Institute, Faculty of Science, University of Sydney, Sydney, NSW 2006, Australia
| | - Mats R Andersson
- Flinders Institute for Nanoscale Science and Technology, Flinders University, Adelaide, South Australia 5042, Australia
| | - Julie M Cairney
- Australian Centre for Microscopy and Microanalysis, University of Sydney, Sydney, NSW 2006, Australia.
- School of Aerospace, Mechanical and Mechatronic Engineering, University of Sydney, Sydney, NSW 2006, Australia
| | - Natalie P Holmes
- Australian Centre for Microscopy and Microanalysis, University of Sydney, Sydney, NSW 2006, Australia.
- The University of Sydney Nano Institute, Faculty of Science, University of Sydney, Sydney, NSW 2006, Australia
- School of Aerospace, Mechanical and Mechatronic Engineering, University of Sydney, Sydney, NSW 2006, Australia
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