Research Progress on the Effect of Space Charge Distribution of Organic Semiconductor Thin Films on Transistor Performance

doi:10.11944/j.issn.1000-0518.2019.08.190142

Chinese Journal of Applied Chemistry ›› 2019, Vol. 36 ›› Issue (8): 855-881.DOI: 10.11944/j.issn.1000-0518.2019.08.190142

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Research Progress on the Effect of Space Charge Distribution of Organic Semiconductor Thin Films on Transistor Performance

HU Yupeng, LU Guanghao

Frontier Institute of Science and Technology,Xi'an Jiaotong University,Xi'an 710054,China

Received:2019-05-16 Accepted:2019-06-05 Published:2019-08-01 Online:2019-07-25
Contact: Guanghao LU
Supported by:
Supported by the National Natural Science Foundation of China(No.51873172,No.51473132)

Abstract

Abstract:

Organic field effect transistors(OFETs) are the basic components of the next generation of flexible electronics industry, which are bendable, transparent and solution-processible, and gradually begin to be applied to biosensors, flexible display and other fields. However, OFETs still have problems such as small operating current, small transconductance, low switching ratio, and poor air stability, which limits their further development. The performance of OFETs devices is mainly affected by the distribution of charge and current in the conductive channel. If the charge and current distribution in the channel are properly controlled by external means, it is possible to obtain a device with higher performance or new mechanism. The latest progress on this field is reviewed and prospected, which includes the recent result from our group.

Key words: organic semiconductor thin films, organic transistor, manipulation, space charge, device performance

HU Yupeng, LU Guanghao. Research Progress on the Effect of Space Charge Distribution of Organic Semiconductor Thin Films on Transistor Performance[J]. Chinese Journal of Applied Chemistry, 2019, 36(8): 855-881.

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Research Progress on the Effect of Space Charge Distribution of Organic Semiconductor Thin Films on Transistor Performance

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