Journal
ORGANIC ELECTRONICS
Volume 51, Issue -, Pages 142-148Publisher
ELSEVIER
DOI: 10.1016/j.orgel.2017.07.022
Keywords
Photoresponsive field-effect transistors; MoS2; Pentacene; CVD
Funding
- National Program on Key Research Project [2016YFF0203605]
- National Natural Science Foundation of China [10974074]
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Monolayer molybdenum disulfide (MoS2), with a high predicted intrinsic mobility of similar to 410 cm(2)/V at room temperature, shows great potential for application in sensors and optoelectronics as a result of good electrical performance and photoemission. Compared with the photoresponsive photodiodes, photoresponsive field-effect transistors exhibit higher sensitivity and lower noise. And, pentacene is a small molecule organic semiconductor and has high absorption in the visible region. Here, we reported on a high-performance photoresponsive field-effect transistor based on MoS2/pentacene inorganic/organic planar heterojunction. The results showed that the device demonstrated superior performance. Under 655 nm light illumination, the device exhibited an ultrahigh photoresponsivity of 103 A/W, a maximum photosensitivity of 1.8 x 10(3) and a high external quantum efficiency of around 195%, respectively. (C) 2017 Elsevier B.V. All rights reserved.
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