title: All Inkjet-Printed Metal-Oxide Thin-Film Transistor Array with Good Stability and Uniformity Using Surface-Energy Patterns.
abstract: An array of inkjet-printed metal-oxide thin-film transistors (TFTs) is demonstrated for the first time with the assistance of surface-energy patterns prepared by printing pure solvent to etch the ultrathin hydrophobic layer. The surface-energy patterns not only restrained the spreading of inks but also provided a facile way to regulate the morphology of metal oxide films without optimizing ink formulation. The fully printed InGaO TFT devices in the array exhibited excellent electron transport characteristics with a maximum mobility of 11.7 cm2V-1s-1, negligible hysteresis, good uniformity, and good stability under bias stress. The new route lights a general way toward fully inkjet-printed metal-oxide TFT arrays.
authors.affiliation: State Key Laboratory of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China.
authors.forename: Yuzhi
authors.initials: Y
authors.lastname: Li
authors.affiliation: State Key Laboratory of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China.
authors.forename: Linfeng
authors.identifier: http://orcid.org/0000-0002-6477-2830
authors.initials: L
authors.lastname: Lan
authors.affiliation: State Key Laboratory of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China.
authors.forename: Sheng
authors.initials: S
authors.lastname: Sun
authors.affiliation: State Key Laboratory of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China.
authors.forename: Zhenguo
authors.initials: Z
authors.lastname: Lin
authors.affiliation: State Key Laboratory of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China.
authors.forename: Peixiong
authors.initials: P
authors.lastname: Gao
authors.affiliation: State Key Laboratory of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China.
authors.forename: Wei
authors.initials: W
authors.lastname: Song
authors.affiliation: State Key Laboratory of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China.
authors.forename: Erlong
authors.initials: E
authors.lastname: Song
authors.affiliation: State Key Laboratory of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China.
authors.forename: Peng
authors.initials: P
authors.lastname: Zhang
authors.affiliation: State Key Laboratory of Luminescent Materials and Devices, South China University of Technology , Guangzhou 510640, China.
authors.forename: Junbiao
authors.initials: J
authors.lastname: Peng
keywords: Cytop; inkjet printing; metal oxide; surface-energy patterns; thin-film transistors