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Ultrasensitive detection of nitrogen oxides over a nanoporous membrane

By Amlendu Prabhakar, Rodrigo Alejandro Iglesias, Rui Wang, Francis Tsow, Erica S. Forzani and Nongjian Tao

Abstract

A nitrogen oxide (NOx; x = 1, 2) optical sensor with an extremely low detection limit in the range of fractions of ppbV (0.3 ppbV for 20 s sample injection) is presented. Phenylenediamine derivatives are utilized as molecular probes in the solid state on a nanoporous membrane to produce a miniaturized and low cost sensing platform for use as a wearable personal monitor.Fil: Prabhakar, Amlendu. Arizona State University; Estados UnidosFil: Iglesias, Rodrigo Alejandro. Arizona State University; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; ArgentinaFil: Wang, Rui. Arizona State University; Estados UnidosFil: Tsow, Francis. Arizona State University; Estados UnidosFil: Forzani, Erica S.. Arizona State University; Estados UnidosFil: Tao, Nongjian. Arizona State University; Estados Unido

Topics: GAS SENSOR, NITROGEN OXIDE, OPTICAL DETECTION, WEARABLE, Otras Ciencias Químicas, Ciencias Químicas, CIENCIAS NATURALES Y EXACTAS
Publisher: American Chemical Society
Year: 2010
DOI identifier: 10.1021/ac101908g
OAI identifier: oai:ri.conicet.gov.ar:11336/67373
Provided by: CONICET Digital
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