Temperature dependent field effect in organic-based thin-film transistor and its spectroscopic character

1999 ◽  
Vol 86 (1) ◽  
pp. 524-531 ◽  
Author(s):  
F. Schauer
2015 ◽  
Vol 30 (8) ◽  
pp. 085004 ◽  
Author(s):  
Chan-Yong Jeong ◽  
Daeun Lee ◽  
Young-Joon Han ◽  
Yong-Jin Choi ◽  
Hyuck-In Kwon

Electronics ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 200
Author(s):  
Do Won Kim ◽  
Hyeon Joong Kim ◽  
Changmin Lee ◽  
Kyoungdu Kim ◽  
Jin-Hyuk Bae ◽  
...  

Sol-gel processed SnO2 thin-film transistors (TFTs) were fabricated on SiO2/p+ Si substrates. The SnO2 active channel layer was deposited by the sol-gel spin coating method. Precursor concentration influenced the film thickness and surface roughness. As the concentration of the precursor was increased, the deposited films were thicker and smoother. The device performance was influenced by the thickness and roughness of the SnO2 active channel layer. Decreased precursor concentration resulted in a fabricated device with lower field-effect mobility, larger subthreshold swing (SS), and increased threshold voltage (Vth), originating from the lower free carrier concentration and increase in trap sites. The fabricated SnO2 TFTs, with an optimized 0.030 M precursor, had a field-effect mobility of 9.38 cm2/Vs, an SS of 1.99, an Ion/Ioff value of ~4.0 × 107, and showed enhancement mode operation and positive Vth, equal to 9.83 V.


1993 ◽  
Vol 297 ◽  
Author(s):  
Byung Chul Ahn ◽  
Jeong Hyun Kim ◽  
Dong Gil Kim ◽  
Byeong Yeon Moon ◽  
Kwang Nam Kim ◽  
...  

The hydrogenation effect was studied in the fabrication of amorphous silicon thin film transistor using APCVD technique. The inverse staggered type a-Si TFTs were fabricated with the deposited a-Si and SiO2 films by the atmospheric pressure (AP) CVD. The field effect mobility of the fabricated a-Si TFT is 0.79 cm2/Vs and threshold voltage is 5.4V after post hydrogenation. These results can be applied to make low cost a-Si TFT array using an in-line APCVD system.


Nanoscale ◽  
2018 ◽  
Vol 10 (8) ◽  
pp. 3613-3620 ◽  
Author(s):  
Nan Cui ◽  
Hang Ren ◽  
Qingxin Tang ◽  
Xiaoli Zhao ◽  
Yanhong Tong ◽  
...  

A fully transparent conformal organic thin-film field-effect transistor array is obtained based on an ultrathin embedded metal-grid electrode and a solution-processed C8-BTBT film.


2008 ◽  
Vol 8 (9) ◽  
pp. 4561-4564 ◽  
Author(s):  
Do-Hoon Hwang ◽  
Yong Suk Yang ◽  
Jeong-Ik Lee ◽  
Seong Hyun Kim ◽  
Oun-Ho Park ◽  
...  

A polyhedral oligomeric silsesquioxane derivative (POSS-OXT) containing photo-curable 4-membered cyclic oxetane functional groups was used as a gate dielectric of organic field effect transistor. The POSS-OXT was cross-linked and completely solidified by UV irradiation in the presence of a selected photo acid generator, and pinhole free uniform thin film was obtained. We fabricated a metal/insulator/metal device of Au/POSS-OXT (300 nm)/Au with area of 0.7 mm2 and the measured leakage current and capacitance of the device to evaluate the insulating properties of the POSS-OXT thin film. The maximum current was about 0.25 nA when 40 V was applied to the device. The observed values of the capacitance per unit area and dissipation factor were 11.4 nF/cm2 and 0.025, respectively. We fabricated an organic thin film transistor with pentacene as the active semiconductor and the photo-cross-linked POSS-OXT as an insulator. A field effect carrier mobility of 0.03 cm2/V·s was obtained with the device.


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