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Title: | Rapid composition screening for perovskite photovoltaics via concurrently pumped ultrasonic spray coating | Authors: | Tait, J. G. Manghooli, S. Qiu, W. Rakocevic, L. Kootstra, L. Jaysankar, M. de la Huerta, C. A. Masse Paetzold, U. W. Gehlhaar, R. Cheyns, D. Heremans, P. POORTMANS, Jef |
Issue Date: | 2016 | Publisher: | ROYAL SOC CHEMISTRY | Source: | JOURNAL OF MATERIALS CHEMISTRY A, 4 (10), p. 3792-3797 | Abstract: | Transitioning perovskite photovoltaics from the rapid progress in lab-scale devices to industrially viable large area modules is a key challenge for the economic breakthrough of the technology. In this work, we demonstrate ultrasonic spray coating as a scalable and versatile linear deposition technique for high efficiency perovskite photovoltaics. We show the versatility of concurrently pumped ultrasonic spray coating by rapidly and precisely optimizing precursor ratios based on PbCl2, Pb(CH3CO2)(2)center dot 3H(2)O, PbBr2, CH3NH3Br, and CH3NH3I to achieve highly crystalline and pinhole-free layers. Initial power conversion efficiencies of 15.7% for small scale devices and 11.7% for 3.8 cm(2) modules were achieved with current-voltage sweeps and tracked to 13.4% for devices and 10.4% for modules under continuous illumination and bias at the maximum power point. Process versatility is further demonstrated with the in situ bandgap control in CH3NH3PbIXBr3-X layers. | Notes: | [Tait, J. G.; Manghooli, S.; Qiu, W.; Rakocevic, L.; Kootstra, L.; Jaysankar, M.; de la Huerta, C. A. Masse; Paetzold, U. W.; Gehlhaar, R.; Cheyns, D.; Heremans, P.; Poortmans, J.] IMEC, Kapeldreef 75, B-3001 Leuven, Belgium. [Tait, J. G.; Qiu, W.; Rakocevic, L.; Jaysankar, M.; Heremans, P.; Poortmans, J.] KULeuven, Dept Elect Eng, Leuven, Belgium. [Manghooli, S.] Politecn Milan, Dept Elect Eng, Milan, Italy. [Kootstra, L.] Delft Univ Technol, Dept Appl Sci, Delft, Netherlands. [de la Huerta, C. A. Masse] Inst Natl Sci Appl Lyon, Lyon, France. [Poortmans, J.] Univ Hasselt, Dept Mat, Hasselt, Belgium. | Document URI: | http://hdl.handle.net/1942/21799 | ISSN: | 2050-7488 | e-ISSN: | 2050-7496 | DOI: | 10.1039/c6ta00739b | ISI #: | 000371967000024 | Rights: | This journal is © The Royal Society of Chemistry 2016 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2017 |
Appears in Collections: | Research publications |
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