Journal
ENERGY REPORTS
Volume 6, Issue -, Pages 1297-1303Publisher
ELSEVIER
DOI: 10.1016/j.egyr.2020.04.037
Keywords
Perovskite solar cells; Lamination process; Silver nanoparticle film; Solution process; Spin-coating
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Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2017R1D1A1B03029074, 2020054315]
- National Research Foundation of Korea [2017R1D1A1B03029074] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Perovskite solar cell is one of the most promising candidates for future photovoltaic market because of its high power conversion efficiency (>25%). However, most metal top electrodes are typically fabricated by a vacuum deposition method, which makes the fabrication expensive and unsuitable for commercial applications. In this paper, we present devices in which every layer was prepared using a solution process, with a laminated silver nanoparticle film serving as the top electrode. The silver nanoparticle film was produced by spin-coating the nanoparticle silver ink onto a poly(ethylene terephthalate) (PET) substrate followed by post-annealing at 150 degrees C for 5 min. Introduction of a thin layer of Poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS)/D-sorbitol, plays an important role in improving the adherence of devices and electrical contact during lamination. Thereby, laminated perovskite solar cells with average power conversion efficiency (PCE) of 10.03% were achieved, almost of 90% of the PCE obtained for conventional devices (11.19%) with evaporated silver contact. The electrical and morphological properties of thermally annealed silver nanoparticle film were also investigated. (C) 2020 Published by Elsevier Ltd.
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