Abstract
Organic light-emitting transistors (OLETs) integrate the functions of light-emitting diodes and field-effect transistors into a unique device, opening a new door for optoelectronics. However, there is still a challenge due to the absence of high quality organic semiconductors for OLETs. Herein, we reported a novel molecule 2,6-di(anthracen-2-yl)naphthalene (2,6-DAN), which exhibited mobility of up to 19 cm2·V−1·s−1 and an absolute fluorescence quantum yield of 37.09%, which are good values for organic semiconductors. Moreover, OLETs based on 2,6-DAN single crystals showed bright yellowish-green emission and well-balanced ambipolar charge transport. The excellent ratio of hole to electron mobility can reach up to 0.86, which is superior to most single-component OLETs in typical device configurations reported so far.
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Acknowledgements
This work was supported by the National Key R&D Program of China (Nos. 2017YFA0204503 and 2016YFB0401100), and the National Natural Science Foundation of China (Nos. 91833306, 21875158, 51633006, 51703159, 51725304, and 51733004).
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Zheng, L., Li, J., Zhou, K. et al. Molecular-scale integrated multi-functions for organic light-emitting transistors. Nano Res. 13, 1976–1981 (2020). https://doi.org/10.1007/s12274-020-2851-4
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DOI: https://doi.org/10.1007/s12274-020-2851-4