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Application of graphene vertical field effect to regulation of organic light-emitting transistors

Chinese Physics B 2020年第5期29卷 473-478页

作者： Hang Song Hao Wu Hai-Yang Lu Zhi-Hao Yang Long Ba State Key Laboratory of Bioelectronics Southeast UniversityNanjing 210096China

The luminescence intensity regulation of organic light-emitting transistor(OLED)device can be achieved effectively by the combination of graphene vertical field effect transistor(GVFET)and *** this paper,we fabricate and characterize the graphene vertical field-effect transistor with gate dielectric of ion-gel film,confirming that its current switching ratio reaches up to *** of the property of high light transmittance in ion-gel film,the OLED device prepared with graphene/PEDOT:PSS as composite anode exhibits good optical *** also prepare the graphene vertical organic light-emitting field effect transistor(GVOLEFET)by the combination of GVFET and graphene OLED,analyzing its electrical and optical properties,and confirming that the luminescence intensity can be significantly changed by regulating the gate voltage.

关键词： graphene vertical field effect transistor organic light-emitting transistor ion-gel film gate voltage regulation

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Molecular-scale integrated multi-functions for organic lightemitting transistors

引用

Nano Research 2020年第7期13卷 1976-1981页

作者： Lei Zheng Jinfeng Li Ke Zhou Xixia Yu Xiaotao Zhang Huanli Dong Wenping Hu Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of ChemistrySchool of ScienceTianjin University and Collaborative Innovation Center of Chemical Science and Engineering(Tianjin)Tianjin 300072China Beijing National Laboratory for Molecular Science Key Laboratory of Organic SolidsInstitute of ChemistryChinese Academy of SciencesBeijing 100190China Joint School of National University of Singapore and Tianjin University International Campus of Tianjin UniversityBinhai New CityFuzhou 350207China

organic light-mitting transistors(OLETs)integrate the functions of light-emitting diodes and field-effect transistors into a unique device,opening a new door for ***,there is still a challenge due to the absence of high quality organic semiconductors for ***,we reported a novel molecule 2,6-di(anthracen-2-yl)naphthalene(2,6-DAN),which exhibited mobility of up to 19 cm2:V'-s'and an absolute fluorescence quantum yield of 37.09%,which are good values for organic ***,OLETs based on 2,6-DAN single crystals showed bright yellowish-green emission and well-balanced ambipolar charge *** excellent ratio of hole to electron mobilty can reach up to 0.86,which is superior to most single component OL ETs in typical device configurations reported so far.

关键词： molecular semiconductor molecular crystal organic optoelectronics transistor organic light-emitting transistor

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