Journal
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
Volume 98, Issue 3, Pages 525-530Publisher
SPRINGER
DOI: 10.1007/s00339-009-5479-5
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In this work, we report on the fabrication of an hybrid material based on a porous silicon (PSi) layer infiltrated by an amino functionalized poly(epsilon-caprolattone) (PCL-NH2). The organic-inorganic structure has been characterized by variable angle spectroscopic ellipsometry, optical reflectometry and water contact angle measurements. A polymer coated PSi layer, 3 mu m thick, shows improved wettability and chemical stability against long lasting, up to 18 min, exposure to an alkaline environment. Even after basic treatment, the structure still retains a very good quality optical response, so that it may be proposed as a high performance platform for biochemical sensing applications.
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