An ion-gel-based transistor was fabricated using an electrohydrodynamic (EHD) jet printing process. In general, EHD jet printing is operated in four jetting modes: dripping, micro-dripping, cone-jet and multi-jet ones. Both poly(3-hexylthiophene-2,5-diyl) (P3HT) and poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS), as a semiconductor and a gate electrode, respectively, enable successful printing in cone-jet mode and the resulting pattern widths are about 10 μm (P3HT) and 200 μm (PEDOT:PSS). On the other hand, the ion-gel electrolyte cannot be printed in cone-jet mode because of the excessive number of ions in the ink that perturb the fluidic behavior. Therefore, dripping mode was used to produce an ion-gel pattern under the application of a very low voltage, which is referred to as electrostatic-force-assisted dispensing printing. This method could make good patterns of an ion-gel and allow the fabrication of an ion-gel-based transistor. The EHD jet-printed transistor exhibited an average mobility (μ), threshold voltage (V_th), on/off current ratio (I_on/I_off) and subthreshold swing (SS) of 0.12 ± 0.05 cm2/Vs, −0.83 ± 0.1 V, ∼10⁵ and 73 ± 11 mV/decade, respectively.

使用电液动力学（EHD）喷射印刷工艺制造了基于离子凝胶的晶体管。通常，EHD喷射打印以四种喷射模式进行操作：滴注，微滴，圆锥喷射和多喷射。聚（3-己基噻吩-2,5-二基）（P3HT）和聚（3,4-乙撑二氧噻吩）：聚苯乙烯磺酸盐（PEDOT：PSS）分别作为半导体和栅电极，能够成功地在锥形印刷中喷射模式和所得图案宽度分别约为10μm（P3HT）和200μm（PEDOT：PSS）。另一方面，由于墨水中过多的离子干扰了流体的行为，因此不能以锥形喷射模式打印离子凝胶电解质。因此，在非常低的电压下使用滴落模式产生离子凝胶图案，这被称为静电力辅助点胶印刷。这种方法可以制作出良好的离子凝胶图案，并可以制造基于离子凝胶的晶体管。EHD喷墨晶体管的平均迁移率（μ），阈值电压（V _th），开/关电流比（I _on / I _off）和亚阈值摆幅（SS）为0.12±0.05 cm2 / Vs，-0.83±0.1 V，〜10 ⁵和73±11 mV / decade，分别。