Roll-to-roll printing of polymer and perovskite solar cells: compatible materials and processes

Gusain, Abhay; Thankappan, Aparna; Thomas, Sabu

doi:10.1007/s10853-020-04883-1

Cited by 26 publications

(21 citation statements)

References 180 publications

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“…The possibility to combine spintronic properties comparable to those of inorganic semiconductors with low‐cost, lightweight, mechanically flexible, and chemically engineerable fabrication paves the way to large‐scale spin–optoelectronic devices fabricated by roll‐to‐roll techniques. [ 194 ] Although exciting developments have been reported in the past decade, many challenges are yet to be solved, both on the scientific and on the technological side. For instance, improvement of the ferromagnet/semiconducting interface are urgently needed.…”

Section: Discussion and Outlookmentioning

confidence: 99%

Perspectives of Organic and Perovskite‐Based Spintronics

Privitera

Righetto

Cacialli

et al. 2021

Advanced Optical Materials

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electronic devices-which are nearly at their physical limits. [3] In addition, taking advantage of spin interactions in optoelectronic devices will enable the improvement of their efficiency and/or stability (e.g., organic solar cells and organic lightemitting diodes (OLEDs)) and the development of new spin-based multifunctional devices (e.g., spin OLEDs, multifunctional organic spin-valve devices). [4,5,6,7] A crucial milestone in the development of spintronics was the discovery of the giant magnetoresistance (GMR) effect in 1988. [8] Through the giant magnetoresistance mechanism, the operating principles of, e.g., magnetic disk drives, i.e., the collective magnetization of localized spins in ferromagnetic layers, have been replaced by the electronic conduction depending on the electron spin state, which gave rise to new devices, like magnetic random access memories (MRAMs). [9] Since this discovery, spin properties of electronic materials have been the focus of extensive research to rationalize, e.g., the spin relaxation and spin transport mechanisms in metals and in semiconductors. This increased interest has favored an unprecedented transition from basic research to industrial commercialization. As a result, the first GMR device as a magnetic field sensor was commercialized in 1994; [10] and read heads for magnetic hard disk drives were announced in 1997 by International Business Machines Corporation (IBM). [11] By delving deeper into the fundamental physics underlying spintronic devices, Stuart Parkin spurred the development of this field and ushered spintronic commercial applications. For instance, hard disk drives featuring a read head based on Parkin's discoveries dominated the market for two decades. Currently, GMRbased read heads have been replaced by something called giant tunneling magnetoresistance devices, which exploit a spintronic phenomenon where electrons tunnel through a thin insulator. [12] The swift evolution of the spintronic field has been buoyed by new emerging phenomena that hold great promise for the future of nonvolatile magnetic memories, e.g., skyrmions and chiral spin torque, which is at the basis of racetrack memories. [13,14] Despite this great success, several open issues in the field of spintronics are yet to be addressed, for example, the successful spin injection into multilayer devices and the optimization of spin lifetimes in these structures, the transport of spin-polarized carriers across relevant length scales and heterointerfaces, the detection of spin coherence in nanoscale structures, and the manipulation of both electron and nuclear spins on sufficiently fast time scales. [15] The success of the research efforts can be guaranteed only by a thorough understanding of the fundamental spin interactions in solid-state materials as well as the role Spin-related phenomena in optoelectronic materials can revolutionize several technological applications in the areas of data processing and storage, quantum computing, lighting, energy harvesting, sensing, and healthcare. A fundam...

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Section: Discussion and Outlookmentioning

confidence: 99%

Perspectives of Organic and Perovskite‐Based Spintronics

Privitera

Righetto

Cacialli

et al. 2021

Advanced Optical Materials

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“…Moreover, the absorption spectra in solution show the same maxima, but in thin films, the maxima are red-shifted for 7-19 and 7-20. Photovoltaic parameters reveal the same (7-19, 10.4%) or higher (7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)11.0%) efficiency than ITIC when combined with the same donor PBDB-T. When the NFAs are blended with PM6, the efficiency increases for 7-19 to 11.2% and for 7-20 to 12.5%.…”

Section: Non-fullerene Acceptor Designmentioning

confidence: 91%

Recent Progress in the Design of Fused-Ring Non-Fullerene Acceptors─Relations between Molecular Structure and Optical, Electronic, and Photovoltaic Properties

Schweda

Reinfelds

Hofstadler

et al. 2021

ACS Appl. Energy Mater.

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Organic solar cells are on the dawn of the next era. The change of focus toward non-fullerene acceptors has introduced an enormous amount of organic n-type materials and has drastically increased the power conversion efficiencies of organic photovoltaics, now exceeding 18%, a value that was believed to be unreachable some years ago. In this Review, we summarize the recent progress in the design of ladder-type fused-ring non-fullerene acceptors in the years 2018–2020. We thereby concentrate on single layer heterojunction solar cells and omit tandem architectures as well as ternary solar cells. By analyzing more than 700 structures, we highlight the basic design principles and their influence on the optical and electrical structure of the acceptor molecules and review their photovoltaic performance obtained so far. This Review should give an extensive overview of the plenitude of acceptor motifs but will also help to understand which structures and strategies are beneficial for designing materials for highly efficient non-fullerene organic solar cells.

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“…In brief, for materials to be compatible with R2R processing require the following properties: i) cost‐effective solution processability, ii) good environmental compatibility, and iii) good ambient stability. [ 139 ] Hence, certain modifications from the structural and processing aspects are required for the existing materials to provide better suitability for high‐throughput device production. Accordingly, exploration of scalable deposition of perovskite materials, compatible CTLs, and even electrodes have attracted increasing attention in order to fulfill the future module development.…”

Section: Current Progress Of Scalable Pvscsmentioning

confidence: 99%

Technical Challenges and Perspectives for the Commercialization of Solution‐Processable Solar Cells

Liu

Lee

et al. 2021

Adv Materials Technologies

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As the new‐generation photovoltaic technologies, organic solar cells (OSCs) and perovskite solar cells (PVSCs) offer significant advantages over Si‐ and CdTe‐based solar cells, that is, facile low‐temperature solution processability and excellent cost‐performance ratios. At present, OSCs and PVSCs have achieved very high certified power conversion efficiencies of 17.5% and 25.5%, respectively, which have already approached the efficiencies needed for commercial applications. However, there are still several obstacles that need to be overcome before they can be deployed as new‐generation of printable photovoltaic technologies. More efforts also need to be devoted to finding applicable methods for manufacturing highly efficient, large‐area devices and improving their long‐term operational stability. Thus, this article provides a comprehensive review on the current status and technical challenges for commercializing these two solution‐processable solar cells.

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Roll-to-roll printing of polymer and perovskite solar cells: compatible materials and processes

Cited by 26 publications

References 180 publications

Perspectives of Organic and Perovskite‐Based Spintronics

Perspectives of Organic and Perovskite‐Based Spintronics

Recent Progress in the Design of Fused-Ring Non-Fullerene Acceptors─Relations between Molecular Structure and Optical, Electronic, and Photovoltaic Properties

Technical Challenges and Perspectives for the Commercialization of Solution‐Processable Solar Cells

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