Title :
Characterization of an Integrated Fluorescence-Detection Hybrid Device With Photodiode and Organic Light-Emitting Diode
Author :
Shin, Kyeong-Sik ; Kim, Young-Hwan ; Paek, Kyeong-Kap ; Park, Jung-Ho ; Yang, Eun-Gyeong ; Kim, Tae-Song ; Kang, Ji-Yoon ; Ju, Byeong-Kwon
Author_Institution :
Dept. of Electron. Eng., Korea Univ., Seoul
Abstract :
A new integrated fluorescence-detection hybrid device with a photodiode and an organic light-emitting diode (OLED), and its characteristics are presented. To detect the fluorescent signal using OLED as a light source, a finger-type photodiode with low parasitic resistance was designed, which utilizes the side depletion region in the p+n junction. In addition, OLED was designed to have the peak intensity at an excitation wavelength from rhodamine 6G. The integrated fluorescence-detection hybrid device fabricated had a background signal of 153 nA and a limit of detection of 1 muM, and was applied in the competitive assay
Keywords :
fluorescence; organic light emitting diodes; p-i-n diodes; photodetectors; photodiodes; 153 nA; finger-type photodiode; fluorescent signal detection; hybrid device; integrated fluorescence-detection; light source; organic light-emitting diode; p+n junction; parasitic resistance; rhodamine 6G; Fluorescence; Light sources; Microfluidics; Optical filters; Organic light emitting diodes; P-i-n diodes; PIN photodiodes; Performance analysis; Photodetectors; Silicon; Biosensors; fluorescence; microfluidic; organic light-emitting diode (OLED); p-type intrinsic n-type (p-i-n) diode; photodiode;
Journal_Title :
Electron Device Letters, IEEE
DOI :
10.1109/LED.2006.880656
