Journal
ORGANIC ELECTRONICS
Volume 9, Issue 6, Pages 1132-1135Publisher
ELSEVIER
DOI: 10.1016/j.orgel.2008.08.007
Keywords
Polymer; Photovoltaic; Transparent; Solar cells
Funding
- Ministry of Economic Affairs [96-EC-17-A-08-S1-015]
- National Science Council [NSC-97-ET-7-009-004-ET]
- Ministry of Education ATU program [97W807]
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In this paper, we demonstrate semi-transparent polymer solar cells employing a transparent cathode configuration, made of cesium carbonate (Cs2CO3)/silver (Ag)/indium tin oxide (ITO), which exhibited high transmittance in the visible regime. The device performance of the semi-transparent devices was significantly improved after thermal post-annealing and incorporating an Al counter-electrode (CE) grid. Further, the short-circuit current density increased almost linearly with the incident light intensity, suggesting efficient charge collection ability of the transparent cathode. Overall, the semi-transparent polymer solar cell exhibits a remarkable power conversion efficiency of 2.09%. (C) 2008 Elsevier B.V. All rights reserved.
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