Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 117, Issue -, Pages 519-525Publisher
ELSEVIER
DOI: 10.1016/j.solmat.2013.07.029
Keywords
a-Si:H solar cell; Transparent cell; Color window; Cu2O thin film
Funding
- New and Renewable Energy Development Program [2010T1001007, 20133010011750]
- Energy International Collaboration program [2011-8520010-040]
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Korea Evaluation Institute of Industrial Technology (KEIT) [20133010011750, 20118520010040] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We investigated penetration-type semi-transparent hydrogenated amorphous silicon (a-Si:H) solar cells that incorporated cuprite (Cu2O) thin films, deposited by radio frequency magnetron sputtering, as the color-adjusting layer. Depending on the arrangement of the Cu2O and transparent conductive oxide layers in the cells, the cells could be classified as either inner-type or outer-type. By simulating and experimentally measuring the reflectance of both types of cells, it was found that the optical interference in the two cells had a more significant effect on the short-circuit current density than did the thickness of the incorporated Cu2O films. We fabricated a-Si:H cells whose transparency and color could be controlled simultaneously. This technique of fabricating a-Si:H cells that exploit the phenomenon of interference can be used to realize cells that exhibit different colors. (C) 2013 Elsevier B.V. All rights reserved.
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