Enhanced performance of inverted polymer solar cells with cathode interfacial tuning via water-soluble polyfluorenes

Title
Enhanced performance of inverted polymer solar cells with cathode interfacial tuning via water-soluble polyfluorenes
Authors
나석인김태수오승환김준경김석순김동유
Issue Date
2010-12
Publisher
Applied physics letters
Citation
VOL 97, NO 22, 223305-1-223305-3
Abstract
Enhanced performance of inverted polymer solar cells PSCs is demonstrated by indium tin oxide ITO interfacial tuning via a water-soluble polyfluorene WPF-6-oxy-F . Kelvin probe studies and dark current-voltage curves demonstrated that the WPF-6-oxy-F layer reduces the ITO work-function because of the favorable interfacial dipole formed by the WPF-6-oxy-F interlayer, thereby enhancing the built-in potential and reducing the interface resistance. As a result, introduction of the WPF-6-oxy-F by simple solution processing into the inverted PSCs dramatically enhanced cell-performances. This approach could be very beneficial and an important step for the future development of all-solution-processed or roll-to-roll processed PSCs.
URI
http://pubs.kist.re.kr/handle/201004/39186
ISSN
0003-6951
Appears in Collections:
KIST Publication > Article
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