|
|||||
|
|
Modulation of surface solubility and wettability for high-performance inkjet-printed organic transistors |
|
| Authors: | Ying Wang Daqing Hu Mengjie Chen Xiaohong Wang Hongbo Lu Guobin Zhang Xianghua Wang Zongquan Wu Longzhen Qiu |
| Affiliation: | 1. Key Lab of Special Display Technology, Ministry of Education, National Engineering Lab of Special Display Technology, National Key Lab of Advanced Display Technology, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei 230009, China;2. Anhui Key Laboratory of Advanced Functional Materials and Devices, School of Chemical Engineering, Hefei University of Technology, Hefei 230009, China;3. Department of Chemical Engineering, Hefei University of Technology, Hefei 230009, China |
| Abstract: | The surface solubility and wettability of photosensitive layers of polystyrene (PS) were engineered to evaluate its effect on the crystalline microstructure and film morphology of inkjet-printed 6,13-bis(triisopropylsiylethynyl) pentacene (TIPS-pentacene). UV exposure proved to be a simple and effective method for modulating the solubility of PS films with controllable crosslinking. As compared with the untreated PS film, the film morphology of the printed semiconductor on the UV-irradiated crosslinked PS films was significantly optimized. The optimal degree of crosslinking and solubility of the PS film were achieved by UV irradiation at a dose of 0.417 J cm−2. Field-effect transistors fabricated using well-organized crystals on the optimal crosslinked PS film exhibited a maximum mobility of 0.48 cm2 V−1 s−1 and an average value of 0.19 cm2 V−1 s−1. The performance is clearly superior to that of devices prepared on a pristine PS film (0.02 cm2 V−1 s−1). |
| Keywords: | Inkjet printing Organic thin-film transistor 6 13-Bis(triisopropylsiylethynyl) pentacene Dielectric interface Solubility |
| 本文献已被 ScienceDirect 等数据库收录！ | |