Photocontrol of charge injection/extraction at electrode/semiconductor   interfaces for high-photoresponsivity organic transistors

doi:10.1039/c6tc00387g

CORC > 北京大学 > 化学与分子工程学院

	Photocontrol of charge injection/extraction at electrode/semiconductor interfaces for high-photoresponsivity organic transistors
	Zhang, Hongtao ; Chen, Hongliang ; Ma, Wei ; Hui, Jingshu ; Meng, Sheng ; Xu, Wei ; Zhu, Daoben ; Guo, Xuefeng
刊名	JOURNAL OF MATERIALS CHEMISTRY C
	2016
关键词	FIELD-EFFECT TRANSISTORS SELF-ASSEMBLED MONOLAYERS THIN-FILM TRANSISTORS AUGMENTED-WAVE METHOD DOUBLE-FLOATING-GATE AMORPHOUS-SILICON WORK-FUNCTION GOLD NANOPARTICLES ELECTRONIC DEVICES LOW-VOLTAGE
DOI	10.1039/c6tc00387g
英文摘要	Charge injection typically occurring at the electrode/semiconductor interface in organic field-effect transistors (OFETs) is of great importance to the device performance and stability. Therefore, the chemical modulation of electrode/semiconductor heterojunctions provides a promising approach to enhance the performance and even incorporate new functionalities. In this study, we develop an efficient route for constructing optically switchable OFETs featuring a photochromic spirothiopyran (SP) self-assembled monolayer (SAM)-functionalized electrode/semiconductor interface. The photoisomerization of SPs induces a reversible change in the dipole moment of SP-SAMs, which affects the work function of gold electrodes. This change in the electrode work function enables the tuning of the contact resistance between organic semiconductors and metal electrodes. Consequently, the channel conductance of these devices is modulated in a nondestructive manner, thus leading to a new type of cost-effective OFET-based photodetector with high photosensitivity. These results help us to better understand interfacial phenomena and offer novel insights into developing a new generation of multifunctional interfaces and ultrasensitive OFET-based sensors by interface engineering.; National Natural Science Foundation of China [21225311, 91333102, 21373014, 21404060]; 973 Project [2012CB921404]; Natural Science Foundation of Tianjin [14JCQNJC03800]; SCI(E); EI; ARTICLE; guoxf@pku.edu.cn; 23; 5289-5296; 4
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/437868]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Zhang, Hongtao,Chen, Hongliang,Ma, Wei,et al. Photocontrol of charge injection/extraction at electrode/semiconductor interfaces for high-photoresponsivity organic transistors[J]. JOURNAL OF MATERIALS CHEMISTRY C,2016.
APA	Zhang, Hongtao.,Chen, Hongliang.,Ma, Wei.,Hui, Jingshu.,Meng, Sheng.,...&Guo, Xuefeng.(2016).Photocontrol of charge injection/extraction at electrode/semiconductor interfaces for high-photoresponsivity organic transistors.JOURNAL OF MATERIALS CHEMISTRY C.
MLA	Zhang, Hongtao,et al."Photocontrol of charge injection/extraction at electrode/semiconductor interfaces for high-photoresponsivity organic transistors".JOURNAL OF MATERIALS CHEMISTRY C (2016).