Photoresponsive ambipolar transport characteristics of organic thin film transistors using soluble HB-ant-THT and PCBM composites

2012 ◽  
Vol 162 (3-4) ◽  
pp. 332-336 ◽  
Author(s):  
Seung Ho Yang ◽  
Mi Yeon Cho ◽  
Seong Gi Jo ◽  
Jin Sun Jung ◽  
Ki Hwa Jung ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Film Transistors ◽  
Organic Thin Film Transistors ◽  
Organic Thin Film ◽  
Ambipolar Transport

Bottom Contact Ambipolar Organic Thin Film Transistors Based on C60/Pentacene Heterostructure

2006 ◽  
Vol 965 ◽  
Author(s):  
Kaname Kanai ◽  
Suidong Wang ◽  
Kazuhiko Seki
Keyword(s):  
Thin Film ◽  
Thin Film Transistors ◽  
Organic Thin Film Transistors ◽  
High Electron ◽  
Organic Thin Film ◽  
Bottom Contact ◽  
Transfer Characteristics ◽  
Fabrication And Characterization ◽  
Ambipolar Transport

ABSTRACTWe report the fabrication and characterization of the bottom contact organic thin film transistors and inverter based on a heterostructure of C60 on pentacene. The transistor shows ambipolar transport characteristics with high electron and hole mobilities of 0.23 cm2V−1s−1 and 0.14 cm2V−1s−1, respectively. After exposure to air, the n-channel in C60 is completely degraded whereas the p-channel in pentacene keeps working. Both the n-channel and the p-channel are stable in N2 atmosphere. The inverter exhibits typical transfer characteristics, which are interpreted by the distribution of the accumulated electrons and holes depending on the bias conditions. These results suggest a potential way to fabricate organic complementary circuits with a single organic heterostructure device.

Benzobisthiadiazole-based conjugated donor–acceptor polymers for organic thin film transistors: effects of π-conjugated bridges on ambipolar transport

2015 ◽  
Vol 3 (6) ◽  
pp. 1196-1207 ◽  
Author(s):  
Yang Wang ◽  
Tomofumi Kadoya ◽  
Lei Wang ◽  
Teruaki Hayakawa ◽  
Masatoshi Tokita ◽  
...  
Keyword(s):  
Thin Film ◽  
Electrical Properties ◽  
Thin Film Transistors ◽  
Organic Thin Film Transistors ◽  
Charge Carriers ◽  
Organic Thin Film ◽  
Polymer Backbone ◽  
Donor Acceptor ◽  
Ambipolar Transport

Inserting different π-spacers into the polymer backbone allows tailoring of the opto-electrical properties, molecular organizations, and the type of charge carriers in the TFTs.

High Electron Mobility and Ambipolar Transport in Organic Thin-Film Transistors Based on aπ-Stacking Quinoidal Terthiophene

2003 ◽  
Vol 15 (15) ◽  
pp. 1278-1282 ◽  
Author(s):  
R.J. Chesterfield ◽  
C.R. Newman ◽  
T.M. Pappenfus ◽  
P.C. Ewbank ◽  
M.H. Haukaas ◽  
...  
Keyword(s):  
Thin Film ◽  
Electron Mobility ◽  
Thin Film Transistors ◽  
Organic Thin Film Transistors ◽  
High Electron ◽  
Organic Thin Film ◽  
High Electron Mobility ◽  
Ambipolar Transport

Effective performance improvement of organic thin film transistors with multi-layer modifications

2020 ◽  
Vol 91 (3) ◽  
pp. 30201
Author(s):  
Hang Yu ◽  
Jianlin Zhou ◽  
Yuanyuan Hao ◽  
Yao Ni
Keyword(s):  
Thin Film ◽  
Thin Film Transistors ◽  
Performance Enhancement ◽  
Organic Thin Film Transistors ◽  
Electrical Performance ◽  
Hole Injection ◽  
Organic Thin Film ◽  
Effective Performance ◽  
Significant Performance ◽  
P Type

Organic thin film transistors (OTFTs) based on dioctylbenzothienobenzothiophene (C8BTBT) and copper (Cu) electrodes were fabricated. For improving the electrical performance of the original devices, the different modifications were attempted to insert in three different positions including semiconductor/electrode interface, semiconductor bulk inside and semiconductor/insulator interface. In detail, 4,4′,4′′-tris[3-methylpheny(phenyl)amino] triphenylamine (m-MTDATA) was applied between C8BTBTand Cu electrodes as hole injection layer (HIL). Moreover, the fluorinated copper phthalo-cyanine (F16CuPc) was inserted in C8BTBT/SiO2 interface to form F16CuPc/C8BTBT heterojunction or C8BTBT bulk to form C8BTBT/F16CuPc/C8BTBT sandwich configuration. Our experiment shows that, the sandwich structured OTFTs have a significant performance enhancement when appropriate thickness modification is chosen, comparing with original C8BTBT devices. Then, even the low work function metal Cu was applied, a normal p-type operate-mode C8BTBT-OTFT with mobility as high as 2.56 cm2/Vs has been fabricated.

A Proposal of High Performance Organic Thin Film Transistors

2010 ◽  
Vol 130 (2) ◽  
pp. 161-166
Author(s):  
Yoshinori Ishikawa ◽  
Yasuo Wada ◽  
Toru Toyabe ◽  
Ken Tsutsui
Keyword(s):  
Thin Film ◽  
Thin Film Transistors ◽  
High Performance ◽  
Organic Thin Film Transistors ◽  
Organic Thin Film

Photo-Induced Threshold and Onset Voltage Shifts in Organic Thin-Film Transistors

2013 ◽  
Vol E96.C (11) ◽  
pp. 1360-1366 ◽  
Author(s):  
Ichiro FUJIEDA ◽  
Tse Nga NG ◽  
Tomoya HOSHINO ◽  
Tomonori HANASAKI
Keyword(s):  
Thin Film ◽  
Thin Film Transistors ◽  
Organic Thin Film Transistors ◽  
Organic Thin Film ◽  
Onset Voltage

PREPARATION AND CHARACTERIZATION OF POLYVINYL ALCOHOL THIN FILMS FOR ORGANIC THIN FILM TRANSISTORS AND BIOMEDICAL APPLICATIONS

2018 ◽  
Vol 5 (2) ◽  
pp. 16-18
Author(s):  
Chandar Shekar B ◽  
Ranjit Kumar R ◽  
Dinesh K.P.B ◽  
Sulana Sundar C ◽  
Sunnitha S ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Thin Film Transistors ◽  
Gravimetric Method ◽  
Dip Coating ◽  
Organic Thin Film Transistors ◽  
Poly Vinyl Alcohol ◽  
Organic Thin Film ◽  
Glass Substrates ◽  
Coating Method

Thin films of poly vinyl alcohol (PVA) were prepared on pre-cleaned glass substrates by Dip Coating Method. FTIR spectrum was used to identify the functional groups present in the prepared films. The vibrational peaks observed at 1260 cm-1 and 851 cm-1 are assigned to C–C stretching and CH rocking of PVA.The characteristic band appearing at 1432 cm-1 is assigned to C–H bend of CH2 of PVA. The thickness of the prepared thin films were measured by using an electronic thickness measuring instrument (Tesatronic-TTD20) and cross checked by gravimetric method. XRD spectra indicated the amorphous nature of the films.Surface morphology of the coated films was studied by scanning electron microscope (SEM). The surface revealed no pits and pin holes on the surface. The observed surface morphology indicated that these films could be used as dielectric layer in organic thin film transistors and as drug delivery system for wound healing.

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