A morphology controller for high-efficiency bulk-heterojunction polymer solar cells

Title
A morphology controller for high-efficiency bulk-heterojunction polymer solar cells
Authors
임보규조장나석인김주환김석순김동유
Keywords
*2010 개인평가에 반영완료
Issue Date
2010-11
Publisher
Journal of materials chemistry
Citation
VOL 20, NO 48, 10919-10923
Abstract
Controlling the morphology in bulk-heterojunction solar cells is the preferred and most effective way to achieve high efficiency. To control the morphology, we synthesized a novel hydrophobic endfunctionalized P3HT to induce hydrophilic–hydrophobic repulsive interactions in the boundary between the relatively hydrophilic PCBM and the relatively hydrophobic P3HT. The introduction of hydrophobic end-functionalized P3HT (F-P3HT) leads to larger PCBM clusters, while maintaining the crystallinity of P3HT due to repulsive interactions. F-P3HT thus provides a maximized continuous interfacial area between the donor and the acceptor as well as bi-continuous networks of donor and acceptor domains, resulting in better percolation pathways for charge transport.
URI
http://pubs.kist.re.kr/handle/201004/39124
ISSN
0959-9428
Appears in Collections:
KIST Publication > Article
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