期刊
OPTICS EXPRESS
卷 18, 期 19, 页码 A293-A299出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.00A293
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资金
- French Research Agency (ANR)
- Ministry of Education, Science and Technology through the National Research Foundation [2009-0082020]
- National Research Foundation of Korea [2009-0082020] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We report on the absorption of a 100nm thick hydrogenated amorphous silicon layer patterned as a planar photonic crystal (PPC), using laser holography and reactive ion etching. Compared to an unpatterned layer, electromagnetic simulation and optical measurements both show a 50% increase of the absorption over the 0.38-0.75micron spectral range, in the case of a one-dimensional PPC. Such absorbing photonic crystals, combined with transparent and conductive layers, may be at the basis of new photovoltaic solar cells. (C) 2010 Optical Society of America
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