期刊
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
卷 201, 期 2-3, 页码 168-174出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2008.10.018
关键词
Anchoring group; Trialkylsilyl; Organic sensitizers; Dye-sensitized solar cells
资金
- Korea Science and Engineering Foundation (KOSEF)
- Ministry of Science and Technology [M10500000034-06J0000-03410]
- ITRC [IITA 2008 C1090 0904 0013]
- MEST [R11-2008-08802001-0]
- BK [21 (2006)]
Two novel trialkylsilyl-containing organic sensitizers (JK-53 and JK-54) have been designed and synthesized. Nanocrystalline TiO2-silica-based dye-sensitized solar cells (DSSCs) were fabricated using these dyes. Under standard global AM 1.5 solar conditions, the JK-53-sensitized cell gave a short-circuit photocurrent density(J(sc)) of 6.37 mA cm(-2), an open-circuit voltage (V-oc) of 0.70 V, and a fill factor of 0.74. These values correspond to an overall conversion efficiency (eta) of 3.31%. By comparison, the JK-54-sensitized cell resulted in a J(sc) of 7.52 mA cm(-2), a V-oc of 0.71 V, and a fill factor of 0.75. These values give an overall conversion efficiency of 4.01%. (c) 2008 Elsevier B.V. All rights reserved
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