Variations of cell performance in ITO-free organic solar cells with increasing cell areas
作者： Jun-Seok Yeo , Jin-Mun Yun , Seok-Soon Kim , Dong-Yu Kim , Junkyung Kim
DOI: 10.1088/0268-1242/26/3/034010
关键词:
摘要: This study examined the effects of a cell area on performances in ITO-free organic solar cells (OSCs) based poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)-propyl-1-phenyl-(6,6)C61 (PCBM). Highly conductive poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) films with two different sheet resistances (Rsh) were used as polymeric transparent anodes for cost-effective OSCs. Changes power conversion efficiency (PCE), fill factor (FF), short-circuit current (Jsc), open-circuit voltage (Voc) that resulted from changing or resistance electrodes systematically investigated. With increasing 4.5 to 49.5 mm2, device performance OSCs was continuously decreased mainly due decrease FF series (Rs). In addition, critically dependent Rsh PEDOT:PSS electrode. Upon reducing polymer anode ~200 ~90 Ω/, PCE showed better values at an identical large exhibited relieved degradation area, suggesting is dominant limit efficiencies practical large-area cells.
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