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Light Amplification in a New Light Transducer Combining an Organic Electroluminescent Diode with Photoresponsive Organic Pigment Film |
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| Authors: | Masahiro HIRAMOTO Tadashi KATSUME Masaaki YOKOYAMA |
| Affiliation: | (1) Chemical Process Engineering, Faculty of Engineering, Osaka University, Yamadaoka, Suita Osaka, 565, Japan |
| Abstract: | Light amplification was successfully demonstrated in an all-organic light transducer based on hybridization of an organic electroluminescent diode and a perylene pigment film as an electron photoinjecting electrode. Amplification gain of photon conversion from red to red light reached 25 with the assistance of effective electron photoinjection due to large photocurrent multiplication in a perylene film. Optical switching behavior caused by feedback of output-light to the photoconductive layer was observed. |
| Keywords: | light amplification organic electroluminescent diode organic perylene pigment film light transducer photocurrent multiplication feedback effect optical switching conservation of light pattern |
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