Highly Efficient Monolithic Dye-Sensitized Solar Cells

Authors
Kwon, JeongPark, Nam-GyuLee, Jun YoungKo, Min JaePark, Jong Hyeok
Issue Date
2013-03-27
Publisher
American Chemical Society
Citation
ACS Applied Materials & Interfaces, v.5, no.6, pp.2070 - 2074
Abstract
Monolithic dye-sensitized solar cells (M-DSSCs) provide an effective way to reduce the fabrication cost of general DSSCs since they do not require transparent conducting oxide substrates for the counter electrode. However, conventional monolithic devices have low efficiency because of the impediments resulting from counter electrode materials and spacer layers. Here, we demonstrate highly efficient M-DSSCs featuring a highly conductive polymer combined with macroporous polymer spacer layers. With M-DSSCs based on a PEDOT/polymer spacer layer, a power conversion efficiency of 7.73% was achieved, which is, to the best of our knowledge, the highest efficiency for M-DSSCs to date. Further, PEDOT/polymer spacer layers were applied to flexible DSSCs and their cell performance was investigated.
Keywords
COUNTER ELECTRODES; LIQUID ELECTROLYTE; LOW-COST; MODULES; COUNTER ELECTRODES; LIQUID ELECTROLYTE; LOW-COST; MODULES; dye-sensitized solar cells; monolithic; TCO less counter electrode; Pt free; flexible
ISSN
1944-8244
URI
https://pubs.kist.re.kr/handle/201004/128232
DOI
10.1021/am302974z
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KIST Article > 2013
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