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dc.contributor.authorKulrisa Kuntamungen_US
dc.contributor.authorPatrawadee Yaiwongen_US
dc.contributor.authorChutiparn Lertvachirapaiboonen_US
dc.contributor.authorRyousuke Ishikawaen_US
dc.contributor.authorKazunari Shinboen_US
dc.contributor.authorKeizo Katoen_US
dc.contributor.authorKontad Ounnunkaden_US
dc.contributor.authorAkira Babaen_US
dc.description.abstractWe studied the effect of gold quantum dots (AuQDs)/grating-coupled surface plasmon resonance (GC-SPR) in inverted organic solar cells (OSCs). AuQDs are located within a GC-SPR evanescent field in inverted OSCs, indicating an interaction between GC-SPR and AuQDs' quantum effects, subsequently giving rise to improvement in the performance of inverted OSCs. The fabricated solar cell device comprises an ITO/TiO 2 /P3HT: PCBM/PEDOT: PSS: AuQD/silver grating structure. The AuQDs were loaded into a hole transport layer (PEDOT: PSS) of the inverted OSCs to increase absorption in the near-ultraviolet (UV) light region and to emit visible light into the neighbouring photoactive layer, thereby achieving light-harvesting improvement of the device. The grating structures were fabricated on P3HT:PCBM layers using a nanoimprinting technique to induce GC-SPR within the inverted OSCs. The AuQDs incorporated within the strongly enhanced GC-SPR evanescent electric field on metallic nanostructures in the inverted OSCs improved the short-circuit current and the efficiency of photovoltaic devices. In comparison with the reference OSC and OSCs with only green AuQDs or only metallic grating, the developed device indicates enhancement of up to 16% power conversion efficiency. This indicates that our light management approach allows for greater light utilization of the OSCs because of the synergistic effect of G-AuQDs and GC-SPR.en_US
dc.titleThe effect of gold quantum dots/grating-coupled surface plasmons in inverted organic solar cellsen_US
article.title.sourcetitleRoyal Society Open Scienceen_US
article.volume8en_US Universityen_US City Universityen_US Mai Universityen_US
Appears in Collections:CMUL: Journal Articles

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