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Back-side etching A...
Back-side etching A tool for making morphology gradients in porous silicon
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- Karlsson, L M (författare)
- Linköpings universitet,Tekniska högskolan,Institutionen för fysik, kemi och biologi
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- Tengvall, Pentti (författare)
- Linköpings universitet,Tekniska högskolan,Tillämpad Fysik
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- Lundström, Ingemar (författare)
- Linköpings universitet,Tekniska högskolan,Tillämpad Fysik
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- Arwin, Hans (författare)
- Linköpings universitet,Tekniska högskolan,Tillämpad optik
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(creator_code:org_t)
- The Electrochemical Society, 2002
- 2002
- Engelska.
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Ingår i: Journal of the Electrochemical Society. - : The Electrochemical Society. - 0013-4651 .- 1945-7111. ; 149:12
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A new method for preparing morphology gradients in electrochemically etched porous silicon layers in presented. The idea is to etch on the back side of the anode and thus utilize and inhomogenous electric field to control the pore size along a surface. The etching procedure resulted in a complex gradient in pore size, porosity, and porous layer thickness, which was studied by spectroscopic ellipsometry and scanning electron microscopy. The gradients are of interest, e.g., for biomaterials research, bio-sensor applications, and for basic studies of adsorption of organic molecules, like proteins. In order to investigate the potential of the gradient surfaces for protein adsorption studies, these were exposed to human serum albumin, and a gradient in the amount of adsorbed protein was observed.
Nyckelord
- TECHNOLOGY
- TEKNIKVETENSKAP
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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