Title :
PDIF-CN2 modified porous silicon optical and electrical transducers for biochemical sensing electrical and optical sensing by porous silicon devices
Author :
Calio, A. ; Cassinese, A. ; Barra, M. ; Rea, I. ; De Stefano, L.
Author_Institution :
Consiglio Naz. delle Ric., Ist. per la Microelettronica e Microsistemi, Naples, Italy
Abstract :
In this preliminary work, we report about porous silicon (PSi) non-symmetric optical microcavities as transducers modified by organic molecular beam deposition (OMBD) of N,N´-1H,1H-perfluorobutyldicyanoperylene-carboxydi-imide (PDIF-CN2), an electrically conductive organic material. PSi is a very effective optical transducer, due to its sponge-like morphology, but not a very good electrical one. Joule evaporation of PDIF-CN2 could improve electrical conductivity of PSi transducer, making the device a dual signal sensor.
Keywords :
biosensors; chemical sensors; electric sensing devices; electrical conductivity; elemental semiconductors; micro-optics; microcavities; microsensors; optical sensors; organic semiconductors; organic-inorganic hybrid materials; porous materials; porous semiconductors; silicon; transducers; CN2; Joule evaporation; N,N´-lH,lH-pertluorobutyldicyanoperylene-carboxydi-imide; OMBD; PDIF-CN2; PSi nonsymmetric optical microcavity; Si; biochemical sensor; dual signal sensor; electrical transducer; electrically conductive organic material; organic molecular beam deposition; porous silicon optical transducer; sponge-like morphology; Biomedical optical imaging; Nitrogen; Optical reflection; Optical sensors; Probes; Q measurement; Reflectometry; PDIF-CN2; electrical sensor; porous silicon;
Conference_Titel :
Photonics Technologies, 2014 Fotonica AEIT Italian Conference on
Conference_Location :
Naples
Print_ISBN :
978-8-8872-3718-4
DOI :
10.1109/Fotonica.2014.6843900
