標題: Modification of intrinsic defects in IZO/IGZO thin films for reliable bilayer thin film transistors
作者: Tiwari, Nidhi
Chauhan, Ram Narayan
Liu, Po-Tsun
Shieh, Han-Ping D.
顯示科技研究所
Institute of Display
公開日期: 1-一月-2016
摘要: Dual active channel IZO/IGZO thin film transistors as such and with ZnO interlayer are fabricated and characterized to investigate the impact of ultra-thin ZnO insertion on their performance and bias stability. The ZnO interlayer suppresses the pre-existing divalent zinc vacancies and oxygen vacancies in the IZO front layer as systematically investigated by photoluminescence and XPS analysis. This interlayer leads to an enhancement of the electrical characteristics and stability of the bilayer TFT in comparison to the counterpart TFTs fabricated by a single IZO and a-IGZO-channel device. A high-field effect mobility (similar to 14 cm(2) V-1 s(-1)) IZO/IGZO transistor with excellent photo-bias stability (Delta V-th similar to -2.45 V) was obtained from 2 nm ZnO insertion in between the IZO and IGZO layer-enabling backplane electronics for high-resolution and large-sized AMOLED and TFT-LCD displays.
URI: http://dx.doi.org/10.1039/c6ra13208a
http://hdl.handle.net/11536/134169
ISSN: 2046-2069
DOI: 10.1039/c6ra13208a
期刊: RSC ADVANCES
Volume: 6
Issue: 79
起始頁: 75693
結束頁: 75698
顯示於類別:期刊論文


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