silver grids (Krebs, 2009d; Krebs et al., 2011) we re demonstrated in a roll-to-roll processed inverted OPV device, where the grid is the last printed layer in the devices. Inkjet printed
Continuous web, roll-to-roll (R2R) organic device processing is widely regarded as a necessary route for the low cost, mass production of organic electronic devices and in particular organic photovoltaic cells (OPVs). 1–3 In this context, R2R organic film deposition has been demonstrated using two technologies: solution-processing 4–8 and vacuum thermal
In order to reach the objective of low-cost, large area organic photovoltaic systems, we build up a knowledge base concerning the influence of process conditions on the performance of polymer solar cells.A large area solar cell module, with roll-to-roll coated PEDOT:PSS and photoactive layers (based on P3HT:[C60]PCBM blend) on a flexible
N. Espinosa, R. García‐Valverde, +1 author F. Krebs; Published 1 May 2011; Materials Science, Engineering, Environmental Science Roll-to-roll (R2R) production is essential for commercial mass production of organic photovoltaics, avoiding energy costs related to the inert atmosphere or vacuum steps. This chapter discusses roll-to-roll
photovoltaics so attractive is the potential of roll-to-roll processing on low cost substrates with standard coating and printing processes. Printing or coating techniques like screen, inkjet, offset, gravure, slot die, spray and ot hers are being established and demonstrated for organic photovoltaic (OPV) devices on lab scale.
We demonstrate continuous roll-to-roll (R2R) fabrication of single junction and tandem organic photovoltaic (OPV) cells on flexible plastic substrates employing a system that integrates organic deposition by high vacuum thermal evaporation (VTE) and low pressure organic vapor phase deposition (OVPD). By moving the substrate from chamber to chamber
In this review, weaim at giving an overview of some of the R2R-compatible techniques that can be used in such a transfer, as well the current status of R2R application within some of the existing research fields such as organic photovoltaics, organic thin film transistors, light-emitting diodes, polymer electrolyte membrane fuel cells, and
In this paper we present the design and synthesis of 25 new low band gap polymers. The polymers were characterized by UV-vis spectroscopy which showed optical band gaps of 2.0–0.9 eV. The polymers which were soluble enough were applied in organic photovoltaics, both small area devices with a spin coated active layer and in large area modules where all layers
Non‐fullerene acceptors (NFAs) have recently breathed new life into organic photovoltaic (OPVs), achieving breakthrough photovoltaic conversion efficiencies. Unlike conventional fullerene acceptors, they offer strong levels of tunability and solution‐processibility that allow them to be easily exploited in the roll‐to‐roll (R2R) fabrication process. This has
The solution-processable nature of OPV materials mean that PVs can be fabricated using roll-to-roll (R2R) technologies, a widely used method popularized by the printing and coating industry
Among the prominent academic research groups working on R2R-fabricated OPVs at that time, Frederik Krebs and coworkers at Lopez et al. utilized machine learning from >51 000 NFAs from the Harvard organic photovoltaic
DOI: 10.1016/J.SOLMAT.2016.01.015 Corpus ID: 100966340; Reverse gravure coating for roll-to-roll production of organic photovoltaics @article{Vak2016ReverseGC, title={Reverse gravure coating for roll-to-roll production of organic photovoltaics}, author={Doojin Vak and Hasitha C. Weerasinghe and Jyothi Ramamurthy and Jegadesan Subbiah and Michael J. I. Brown and
C. Krebs. His research interest is focused on roll-to-roll large-scale fabrication methods for organic photovoltaics. Frederik C. Krebs received his PhD from the Technical University of Denmark (2000) and has since then worked in the field of functional
In (Krebs et al., 2010) it was estimated that the cost of typical commercial available PET/ITO substrates, used for roll-to-roll manufacturing of organic solar cells, takes more then half of the total material cost required for the manufacturing of OPV modules. 6.2 ITO-free transparent electrode The biggest motivation for the development of
EFFICIENCY ENHANCED SCALABLE ORGANIC PHOTOVOLTAICS USING ROLL-TO-ROLL (R2R) NANOIMPRINT LITHOGRAPHY Mohammed A. Yakooba, Jani Lamminahoa, Karlis Petersonsb, Ashish Prajapatic, Elodie Destouessea, Bhushan R. Patila, Horst-Günter Rubahna, Gil Shalevc,d, Jan Stensborgb and Morten Madsena,* a. SDU NanoSyd, Mads Clausen
Apilo, P. et al. Roll-to-roll gravure printing of organic photovoltaic modules—insulation of processing defects by an interfacial layer. Prog. Photovolt. 23, 918–928 (2015).
The manufacture of ambient roll-to-roll (R2R) slot-die-coated organic photovoltaic (OPV) is the basis toward commercialization of OPV. The low-cost large-area encapsulation technique of stability improvement of flexible OPV module is under-investigated. The related reports on flexible encapsulation up-scaled from cell were limited.
Semantic Scholar extracted view of "Interlaboratory outdoor stability studies of flexible roll-to-roll coated organic photovoltaic modules: Stability over 10,000 h" by S. Gevorgyan et al. A. Katz and Andreas Elschner and Roland Roesch and Harald Hoppe and Martin Hermenau and Moritz K. Riede and Frederik C. Krebs}, journal={Solar Energy
based on organic semiconductors, is a potential low-cost alternative to existing photovoltaic technologies due to its low material cost, lower manufa ct uring cost and their potential for large
DOI: 10.1016/J.SOLMAT.2016.01.012 Corpus ID: 101869854; Fully roll-to-roll prepared organic solar cells in normal geometry with a sputter-coated aluminium top-electrode @article{Andersen2016FullyRP, title={Fully roll-to-roll prepared organic solar cells in normal geometry with a sputter-coated aluminium top-electrode}, author={Thomas Rieks Andersen
DOI: 10.1016/J.SOLMAT.2013.01.025 Corpus ID: 95972929; All polymer photovoltaics: From small inverted devices to large roll-to-roll coated and printed solar cells @article{Liu2013AllPP, title={All polymer photovoltaics: From small inverted devices to large roll-to-roll coated and printed solar cells}, author={Yao Liu and Thue Trofod Larsen-Olsen and Xingang Zhao and Birgitta
This work addressed the issue of comparability of outdoor measurements for organic photovoltaic (OPV) devices. Inter-laboratory long term outdoor measurements of solution processed roll-to-roll coated flexible OPV modules based on P3HT:PCBM and inverted architecture performed in 6 different geographic locations were presented.
Organic Photovoltaics'' New Renaissance: Advances Toward Roll-to-Roll Manufacturing of Non-Fullerene Acceptor Organic Photovoltaics Leonard W. T. NG,* Seok Woo Lee, Dong Wook Chang, Justin M. Hodgkiss, and Doojin Vak* DOI: 10.1002/admt.202101556 to meet the global need of the hour for "zero emissions." Unlike other renew-
Semantic Scholar extracted view of "A stability study of roll-to-roll processed organic photovoltaic modules containing a polymeric electron-selective layer" by Hasitha C. Weerasinghe et al. Dechan Angmo F. Krebs. Engineering, Environmental Science. 2015; We report on the stability of large-area (100 cm2), low-cost, indium-tin-oxide
The fabrication of roll-to-roll (R2R) printed organic photovoltaic modules using gravure printing and rotary screen-printing processes enabling the direct patterning of arbitrarily shaped and sized features into visual shapes and, increasing the freedom to connect the cells in modules. M. Manceau Dechan Angmo M. Jørgensen F. Krebs
DOI: 10.1016/J.SOLMAT.2017.08.038 Corpus ID: 103076409; Manufacturing cost and market potential analysis of demonstrated roll-to-roll perovskite photovoltaic cell processes @article{Chang2018ManufacturingCA, title={Manufacturing cost and market potential analysis of demonstrated roll-to-roll perovskite photovoltaic cell processes}, author={Nathan L. Chang and
We present a cost analysis based on state of the art printing and coating processes to fully encapsulated, flexible ITO- and vacuum-free polymer solar cell modules. Manufacturing data for both single junctions and tandem junctions are presented and analyzed. Within this calculation the most expensive layers and processing steps are identified. Based
DOI: 10.1016/J.SOLMAT.2016.04.051 Corpus ID: 99573151; New barrier encapsulation and lifetime assessment of printed organic photovoltaic modules @article{Weerasinghe2016NewBE, title={New barrier encapsulation and lifetime assessment of printed organic photovoltaic modules}, author={Hasitha C. Weerasinghe and Doojin Vak and Benjamin Robotham and Christopher J.
Roll-to-roll flexographic printing is a relatively new technology for organic solar cells and has so far not been used for direct processing of the active layer, but examples of its use include the processing of modified PEDOT:PSS 18, processing of a wetting agent on the surface of the active layer 19, and the patterning of conductive grids
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