Title :
High External Quantum Efficiency from Organic Bulk Heterojunction Photodetectors
Author :
Kim, Y. ; Park, D. ; Du, M. ; Cao, W. ; Lee, C.H. ; Herman, W.N. ; Romero, D.B.
Author_Institution :
Univ. of Maryland, College Park
Abstract :
Abstract: From an organic bulk heterojunction photodetector fabricated from a blend of P3HT/PCBM-C60, we report an external quantum efficiency of 87 plusmn 2 % under an applied bias voltage of -10V, leading to an internal quantum efficiency of 97 %.
Keywords :
conducting polymers; organic semiconductors; photodetectors; polymer blends; semiconductor heterojunctions; applied bias voltage; external quantum efficiency; internal quantum efficiency; organic bulk heterojunction photodetector; poly(3-hexylthiophene-2,5-diyl)-[6,6]-phenyl-C61-butyric acid methyl ester blend; polymer blend; Absorption; Detectors; Excitons; Heterojunctions; Low voltage; Optical refraction; Optical variables control; Photoconductivity; Photodetectors; Quantum computing;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453169
