Development of an organic vapor sensor based on functionalized porous silicon

J. P. Badilla, D. C. Rojas, V. López, B. D. Fahlman, A. Ramírez-Porras

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


Functionalization of hydrofluoric acid-etched crystalline silicon surfaces were performed using 4-aminopyridine. This treatment was employed to perform an organic interface with the exterior ambient. The obtained treated surfaces were exposed to different organic vapors while keeping track of their electric conductance to assess their sensing abilities. Results for these tests are provided.

Original languageEnglish
Pages (from-to)1458-1461
Number of pages4
JournalPhysica Status Solidi (A) Applications and Materials Science
Issue number6
StatePublished - Jun 2011


  • amine functionalization
  • organic interface
  • porous silicon
  • sensors


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