Solid State pH Sensor Based on Light Emitting Diodes (LED) As Detector Platform
Article, Other literature type
Lau, King Tong
- Publisher: Molecular Diversity Preservation International (MDPI)
Sensors (Basel, Switzerland),
(issn: 1424-8220, eissn: 1424-8220)
Full Research Paper | light emitting diode | light dependent resistor. | TP1-1185 | solid-state pH sensor | optical sensing | colorimetric sensor | Chemical technology | pH sensing | light dependent resistor
A low-power, high sensitivity, very low-cost light emitting diode (LED)-based device developed for low-cost sensor networks was modified with bromocresol green membrane to work as a solid-state pH sensor. In this approach, a reverse-biased LED functioning as a photodiod...