| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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F4TCNQ-Induced Exciton Quenching Studied by Using in-situ Photoluminescence Measurements |
| ZHU Jian, LU Min, WU Bo, HOU Xiao-Yuan** |
| State Key Laboratory of Surface Physics, Fudan University, Shanghai 200433 |
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| Cite this article: |
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ZHU Jian, LU Min, WU Bo et al 2012 Chin. Phys. Lett. 29 097802 |
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Abstract The role of F4TCNQ as an exciton quenching material in thin organic light-emitting films is investigated by means of in situ photoluminescence measurements. C60 was used as another quenching material in the experiment for comparison, with Alq3 as a common organic light-emitting material. The effect of the growth sequence of the materials on quenching was also examined. It is found that the radius of F?rster energy transfer between F4TCNQ and Alq3 is close to 0 nm and Dexter energy transfer dominates in the quenching process.
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Received: 11 May 2012
Published: 01 October 2012
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| PACS: |
78.55.-m
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(Photoluminescence, properties and materials)
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78.20.Bh
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(Theory, models, and numerical simulation)
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78.56.-a
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(Photoconduction and photovoltaic effects)
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