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Effect of Photoetching on Porous Silicon Morphology

✍ Scribed by Guerrero-Lemus, R.; Moreno, J. D.; Martín-Palma, R. J.; Martínez-Duart, J. M.; Herrero, P.; Marcos, M. L.; González-Velasco, J.; Gómez, P.

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
377 KB
Volume
25
Category
Article
ISSN
0142-2421

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✦ Synopsis

The morphological di †erences between porous silicon formed in the dark or under illumination have been studied by means of gravimetric measurements, transmission electron microscopy, infrared spectroscopy and cyclic voltammetry. Photoetching has been found to give rise to a complex surface structure, due to the presence of narrower outer silicon Ðbres, which su †er a more severe cracking process upon drying.

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