Solid State pH Sensor Based on Light Emitting Diodes (LED) As Detector Platform

A low-power, high sensitivity, very low-cost light emitting diode (LED)-baseddevice developed for low-cost sensor networks was modified with bromocresol greenmembrane to work as a solid-state pH sensor. In this approach, a reverse-biased LEDfunctioning as a photodiode is coupled with a second LED co...

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Bibliographic Details
Main Authors: Dermot Diamond, Danny Diamond, R. Shepherd, King Tong Lau
Format: Article
Language:English
Published: MDPI AG 2006-08-01
Series:Sensors
Subjects:
Online Access:http://www.mdpi.com/1424-8220/6/8/848/