Phototransistors and Photoswitches From an Ultraclosely $\pi$-Stacked Organic Semiconductor

@article{Ji2012PhototransistorsAP,
  title={Phototransistors and Photoswitches From an Ultraclosely  \$\pi\$-Stacked Organic Semiconductor},
  author={Zhuoyu Ji and Liwei Shang and Congyan Lu and Long Wang and Jingwei Guo and Hong Wang and Dongmei Li and Ming Liu},
  journal={IEEE Electron Device Letters},
  year={2012},
  volume={33},
  pages={1619-1621}
}
In this letter, high-performance organic phototransistors and photoswitches based on an ultraclosely π-stacked organic semiconductor, i.e., titanyl phthalocyanine, are fabricated. The p-type transistor exhibited high performance with a hole mobility of ~ 4. 5 cm<sup>2</sup>·V<sup>-1</sup>·s<sup>-1</sup> and an on/off ratio higher than 3.1 × 10<sup>7</sup>. Phototransistors exhibited high-photoresponse properties with a responsivity at 10.5 A/W and a photosensitivity up to 2.7 × 10<sup>5</sup… CONTINUE READING

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